K3MAJA2100240VAC

**Process Meter K3MA-J** 

CSM_K3MA-J_DS_E_13_1 

## **Highly Visible LCD Display with 2-color (Red and Green) LEDs** 

- Multi-range DC voltage/current input. 

- Front-panel key operation for easy setting. 

- Average processing function suppresses flicker. 

- Scaling, front-panel forced-zero, zero-limit functions. 

- Easy confirmation of max/min display. 

- Short 80-mm depth (measured from edge of face plate). 

- Finger protective cover (standard equipment) guards against electric shock. 

- Water- and dust-proof NEMA4X (IP66 equivalent) front panel. 

- Recognized to U.S. and Canadian requirements under the Component Recognition Program of UL. 

For the most recent information on models that have been certified for safety standards, refer to your OMRON website. 

- CE marking. 

Refer to _Safety Precautions for All Digital Panel Meters_ . 

## **Model Number Structure** 

## ■ **Model Number Legend** 

## K3MA-J ~~aa~~ -@ 

**1 2 3** 

**1. Input Type** J: DC voltage/current 

## **2. Comparative Output Model** 

## **3. Supply Voltage** 

100-240VAC: 100 to 240 VAC 

- 24VAC/VDC: 24 VAC/VDC 

None: No output 

A2: 2 relay contact outputs (SPST-NO) 

## **Orderin Information g** 

## ■ **List of Models** 

|**Input type**|**Supply voltage**|**Comparative Output Model**|**Model**|
|---|---|---|---|
|DC voltage/current|100 to 240 VAC|None*|K3MA-J 100-240VAC|
|||2 relay contact outputs (SPST-NO)|K3MA-J-A2 100-240VAC|
||24 VAC/VDC|None*|K3MA-J 24VAC/VDC|
|||2 relay contact outputs (SPST-NO)|K3MA-J-A2 24VAC/VDC|



* Changing the display color based on comparison with a reference value is not possible. 

**1** 

**K3MA-J** 

## ■ **Accessories (Order Separately)** 

|**Name**|**Name**|**Shape**|**Shape**|**Model**|
|---|---|---|---|---|
|Splash-proof Soft Cover||||K32-49SC|
|Hard Cover||||K32-49HC|
|Watertight Cover||||Y92A-49N|
|Rubber Packing||||K32-P1|
|**Note:**Rubber packing is provided with the Controller.<br>**Specifications**|||||
|■**Ratings**|||||
|**Model**|**K3MA-J 100-240VAC, K3MA-J-A2 100-240VAC**||**K3MA-J 24VAC/VDC, K3MA-J-A2 24VAC/VDC**||
|**Supply voltage**|100 to 240 VAC||24 VAC/VDC||
|**Operating voltage range**|85% to 110% of the rated supply voltage||||
|**Power consumption**<br>**(under maximum load)**|6 VA max.||4.5 VA max. (24 VAC)<br>4.5 W max. (24 VDC)||
|**Insulation resistance**|20 MΩmin. (at 500 VDC) between external terminal and case.<br>Insulation provided between inputs, outputs, and power supply.||||
|**Dielectric strength**|2,000 VAC for 1 min between external terminal and case.<br>Insulation provided between inputs, outputs, and power supply.||||
|**Noise immunity**|±1,500 V on power supply terminals in normal or com-<br>mon mode.<br>±1μs, or 100 ns for square-wave noise with 1 ns.||±480 V on power supply terminals in normal mode.<br>±1,500 V in common mode.<br>±1μs, or 100 ns for square-wave noise with 1 ns.||
|**Vibration resistance**|Vibration: 10 to 55 Hz, Acceleration: 50 m/s2<br>5 min each in X, Y, and Z directions for 10 sweeps.||||
|**Shock resistance**|150 m/s2(100 m/s2for relaycontact outputs) 3 times each on 3 axes, 6 directions.||||
|**Ambient temperature**|Operating:−10°C to 55°C (with no condensation or icing)<br>Storage:<br>−25°C to 65°C (with no condensation or icing)||||
|**Ambient humidity**|Operating: 25% to 85% (with no condensation)||||
|**Approved safety standards**|UL61010-1, CSA C22.2 No.61010-1-04, conforms to EN61010-1 (Pollution degree 2/overvoltage category II)<br>Conforms to VDE0106/P100 (finger protection)||||
|**EMC**|(EMI)<br>EN61326-1<br>Industrial electromagnetic environment<br>Emission Enclosure:<br>CISPR 11 Group 1 class A: CISRP16-1/-2<br>Emission AC Mains:<br>CISPR 11 Group 1 class A: CISRP16-1/-2<br>(EMS)<br>EN61326-1<br>Industrial electromagnetic environment<br>Immunity ESD:<br>EN61000-4-2:<br>4 kV contact discharge<br>8 kV air discharge<br>Immunity RF-interference:<br>EN61000-4-3:<br>10 V/m (amplitude-modulated, 80 MHz to 1 GHz)<br>Electrical Fast Transient Noise:<br>EN61000-4-4:<br>2 kV (power line)<br>Immunity Burst Noise:<br>1 kV line to line (I/O signal line)<br>Immunity Surge:<br>EN61000-4-5:<br>1 kV (power line)<br>2 kV line to ground (power line)<br>Immunity Conducted Disturbance:<br>EN61000-4-6:<br>3 V (0.15 to 80 MHz)<br>ImmunityVoltage Dip/Interrupting:<br>EN61000-4-11: 0.5 cycle, 0, 180°,100% (rated voltage)||||
|**Weight**|Approx. 200g||||



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**2** 

**K3MA-J** 

## ■ **Characteristics** 

|■**Characteristics**||
|---|---|
|**Input signal**|DC voltage/current (0 to 20 mA, 4 to 20 mA, 0 to 5 V, 1 to 5 V,±5 V,±10 V)|
|**A/D conversion**|Double integral method|
|**Input impedance**|Current input: Approx. 45Ω, Voltage input: 1 MΩmin.|
|**Sampling period**|250 ms|
|**Display refresh period**|Sampling period (sampling times multiplied by number of measurements for averaging if average pro-<br>cessingis selected.)|
|**Max. displayed digits**|5 digits (−19999 to 99999)|
|**Display**|7-segment digital display, Character height: 14.2 mm|
|**Polarity display**|“−” is displayed automaticallywith a negative input signal.|
|**Zero display**|Leadingzeros are not displayed.|
|**Scaling function**|Programmable with front-panel key inputs (range of display:−19999 to 99999). The decimal point po-<br>sition can be set as desired.|
|**Hold function**|Max. hold(maximum value), Min. hold(minimum value)|
|**Hysteresis setting**|Programmable with front-panel keyinputs(0001 to 9999).|
|**Other functions**|Forced-zero (with front-panel key)<br>Zero-limit<br>Scaling teach function<br>Display color change (green (red), green, red (green), red)<br>OUT type change (upper limit, lower limit, upper/lower limit)<br>Averageprocessing (simple average)|
|**Output**|Relays: 2 SPST-NO|
|**Delay in comparative outputs**|750 ms max.|
|**Degree of protection**|Front panel: NEMA4X for indoor use (equivalent to IP66)<br>Rear case: IEC standard IP20<br>Terminals: IEC standard IP00 + fingerprotection(VDE0106/100)|
|**Memory protection**|Non-volatile memory(EEPROM) (possible to rewrite 100,000 times) (with terminal cover attached)|



## ■ **Measuring Ranges** 

## **Process Voltage/Current Inputs** 

|**Input**|**Measuring range**|**Measuring accuracy**|**Input impedance**|**Displayable range**|
|---|---|---|---|---|
|DC voltage|1.000 to 5.000 V|±0.1% FS±1 digit max.<br>(at 23±3°C)|1 MΩmin.|–19999 to 99999<br>(with scaling function)|
||0.000 to 5.000 V||||
||–5.000 to 5.000 V|±0.1% FS±1 digit max.<br>(at 23±5°C)|||
||–10.00 to 10.00 V||||
|DC current|4.00 to 20.00 mA/<br>0.00 to 20.00 mA|±0.1% FS±1 digit max.<br>(at 23±3°C)|45Ω||



## ■ **Input/Output Ratings** 

## **Relay Contact Output** 

|**Relay Contact Output**|||
|---|---|---|
|**Item**|**Resistive load(cos**φ**= 1)**|**Inductive load(cos**φ**= 0.4, L/R=7 ms)**|
|**Rated load(UL ratings)**|5 A at 250 VAC, 5 A at 30 VDC|1.5 A at 250 VAC, 1.5 A at 30 VDC|
|**Min. permissible load**<br>**(P level, reference value)**|10 mA at 5 VDC||
|**Mechanical life**|5,000,000 times min.||
|**Electrical life**|100,000 times min.||



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**3** 

**K3MA-J** 

## **Connections** 

## ■ **Terminal Arrangement** 

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Power  Models with<br>supply Output  A1 comparative  E1<br>terminals output<br>100- to 240-VAC  A2 OUT1 E2<br>OUT2<br>type or 24-VAC/  E3<br>Input  VDC type<br>terminals (No polarity for<br>24-VDC  E4 E4<br>connection.) Voltage input COM<br>E5 E5<br>COM Current input<br>E6 E6<br>For voltage input For current input<br>Terminal No. Name Description<br>A1 - A2 Operation power Connects the operation power supply.<br>E4 , E6 - E5 Analog input Connects the voltage or current analog input.<br>E1 , E2 - E3 Outputs Outputs the relay outputs.<br>**----- End of picture text -----**<br>


## ■ **Block Diagram** 

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Key<br>Input Input circuit<br>Micro-<br>computer Display<br>EEPROM Output circuit X Contact output (See note.)<br>5 V 12 V<br>Constant voltage circuit<br>Power supply circuit<br>Note:  Relay output models only.<br>**----- End of picture text -----**<br>


## ■ **Input Circuits** 

## **Analog Input (DC Voltage/Current)** 

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A － To A/D － To A/D<br>Voltage input 4 ＋ Current input 6 ＋<br>Approx. 45 Ω<br>B<br>COM 5 COM 5<br>A+B=1 MΩ<br>**----- End of picture text -----**<br>


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**4** 

**K3MA-J** 

## **O eration p** 

## ■ **Main Functions** 

## **Input Types and Ranges** 

|**Input type (setting parameter)**|**Function**|**Input range**<br>**(setting parameters)**|**Setting range**|
|---|---|---|---|
|Input range (in-t)|Selects DC voltage/current signa<br>input|l<br>0 to 20 mA<br>(0-20)<br>4 to 20 mA<br>(4-20)<br>0 to 5 V<br>(0-5)<br>1 to 5 V<br>(1-5)<br>±5 V<br>(5)<br>±10 V<br>(10)|Displayable from−19999 to 99999<br>with scaling function.<br>The position of the decimal point<br>can be set as desired.|



**Note:** The initial value for the input range is “4 to 20 mA ( 4-20 ).” 

## **Scaling** 

**•** Analog (Process) Inputs 

The K3MA-J converts input signals into desired physical values. 

INPUT2: Any input value DISPLAY2: Displayed value corresponding to INPUT2 INPUT1: Any input value 

DISPLAY1: Displayed value corresponding to INPUT1 

When DISPLAY1 is set for INPUT1, and DISPLAY2 is set for INPUT2, a line will be displayed joining the two points. (Raise shift, reverse scaling, plus/minus display, etc., can be adjusted as desired.) 

|**Parameter**|**Setting value**|**Meaning**||**Parameter**|**Setting value**|**Meaning**|
|---|---|---|---|---|---|---|
|inp.1|-19999to99999|Input value fordsp.1||dp|%.%%%%|Displayfour digits after decimalpoint|
|dsp.1|-19999to99999|Input value forinp.1|||%%.%%%|Displaythree digits after decimalpoint|
|inp.2|-19999to99999|Input value fordsp.2|||%%%.%%|Displaytwo digits after decimalpoint|
|dsp.2|-19999to99999|Input value forinp.2|||%%%%.%|Displayone digit after decimalpoint|
||||||%%%%%|No decimal point|



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Display value Display value<br>The decimal point can be optionally displayed.<br>DISPLAY 2 DISPLAY 1 When displaying the decimal point, consider the<br>( ) ( ) Reverse scaling also possible. number of digits to follow the decimal point prior to<br>setting the scaling display value.<br>DISPLAY 2<br>DISPLAY 1<br>( )<br>( )<br>(INPUT 1) INPUT 2( ) Input value ( INPUT 1) INPUT 2( ) Input value Reverse scaling, where the display value decreases as<br>the input value increases, is also possible.<br>Teaching with actual values is possible.<br>**----- End of picture text -----**<br>


Instead of setting by inputting with the           Up Key and            Shift Key, current values can be input as scaling input values for teaching. This is useful for making settings while checking the operation status of the K3MA-J. 

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**5** 

**K3MA-J** 

## **Convenient Functions** 

## Scaling Teach 

The parameters ( inp.1 , inp.2 ) for the K3MA-J’s initial setting level can be set using actual input values with the teaching function. After displaying the parameters, the actual input settings can be made with the following operation. 

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Teaching mode<br>a r<br>= Use        to shift to  «<br>the next parameter<br>Monitor mode “T” flashes. without registering.<br>o ~ qe: fe WA Use          to register  ° Fie<br>and shift to monitor<br>a = mode.<br>Normal change<br>/\@= @ I<br>“T” lights to  Qa<br>indicate that the<br>parameter is  y<br>valid  for teaching. @ “T” turns OFF.<br>**----- End of picture text -----**<br>


Next parameter 

## **OUT Types (Comparative Output Models Only)** 

OUT 1 and OUT 2 can be set to operate in one of the three following modes in accordance with the compared values: 

- Upper limit (High Acting): 

The output is turned ON when the measurement value is greater than its set value. 

- Lower limit (Low Acting): 

The output is turned ON when the measurement value is less than its set value. 

- Upper and lower limits (Outside Band Acting): 

An upper limit (H set value) and lower limit (L set value) can be set independently. 

The output is turned ON when the measurement value is greater than upper-limit set value or less than the lower-limit set value. 

## **Upper Limit (High Acting)** 

## **Lower Limit (Low Acting)** 

## **Upper and Lower Limits (Outside Band Acting)** 

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OUT1/2 value OUT1/2 upper-limit value<br>Hysteresis Hysteresis<br>Measurement value<br>Measurement value Measurement value<br>Hysteresis Hysteresis<br>OUT1/2 value OUT1/2 lower-limit value<br>ON ON ON<br>Output Output Output<br>OFF OFF OFF<br>**----- End of picture text -----**<br>


The three types of output operations shown above can be combined as desired. The following are examples of possible combinations. 

## **Upper Limit 2-stage Output** 

## **Threshold Output** 

**Combination of Upper Limit and Upper/Lower Limits** 

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**----- Start of picture text -----**<br>
OUT2 upper-limit<br>OUT2  value Measurement  OUT2 Upper-limit<br>value<br>value OUT1 upper-limit   value<br>Measurement  value OUT1 value<br>value OUT1 lower-limit   Measurement<br>value value<br>OUT2 Lower-limit<br>OUT1  OUT2 lower-limit   value<br>value value<br>ON ON ON<br>OUT2 OUT2 OUT2<br>OFF OFF OFF<br>ON ON ON<br>OUT1 OUT1 OUT1<br>OFF OFF OFF<br>**----- End of picture text -----**<br>


**6** omRon ~~a~~ 

**K3MA-J** 

## **Parameter Initialization** 

This function returns all of the parameters to their initial values. 

|**Parameter**|**Setting value**|**Meaning**|
|---|---|---|
|init|off|---|
||on|Initializes all parame-<br>ters.|



Use this to reset the K3MA-J after returning it to its factory-set condition. 

## **Average Processing** 

Average processing stabilizes displayed values to minimize flicker by averaging the fluctuating input signals. Average processing can be performed for the measurement values in either of four steps (OFF, 2 times, 4 times, or 8 times). 

## **Changing the Display Color** 

The color of the value displayed can be set to either red or green. For comparative output models (K3MA-J-A2), the display color can be set to change from green to red, or from red to green, according to the status of the comparison criterion. 

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**----- Start of picture text -----**<br>
Red<br>113.36<br>OUT1 value<br>Green<br>100.05<br>OUT2 value<br>8.781<br>Red<br>**----- End of picture text -----**<br>


## **Display Auto-return Time** 

This function automatically returns the display to the operation level’s current value if no keys are pressed for a preset time (called the display auto-return time). 

This is useful for ignoring rapid fluctuations, e.g., eliminating spike noise. 

## **Move-to-Protect-Level Time** 

The time required to shift to the protect level can be set as desired. 

## **Hysteresis (Comparative Output Models Only)** 

The hysteresis of comparative outputs can be set to prevent chattering in the output when the measurement value fluctuates finely near the OUT value. 

## **Forced-zero Function** 

It is possible to shift from a value to the zero point with one touch of the Up Key on the front panel (for example, when adjusting reference values). 

## **Upper limit (high acting)** 

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**----- Start of picture text -----**<br>
Set value<br>Hysteresis<br>Measurement value<br>Output ON al<br>OFF<br>**----- End of picture text -----**<br>


## **Zero-limit Function** 

The zero-limit function changes any value below the set value to zero. This is useful when you want to change negative values to zero rather than display them, or when you want to make the display in the smallest part of the input range zero. 

|**Parameter**|**Setting value**|**Setting value**|**Meaning**|
|---|---|---|---|
|=-lim<br>off|||OFF: No zero-limit|
|on|||ON: Zero-limit|
|lim-p<br>0to|to99||0 to 99: Zero-limit value|
|Display||||
|Zero-limit||||
|setting value||||
|ee||ry|Input|



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**----- Start of picture text -----**<br>
UP<br>**----- End of picture text -----**<br>


**Note:** Used only for releasing the forced-zero with the Protect menu. 

## **MAX/MIN Display** 

## ~~OO~~ 

The maximum and minimum measurement (display) values from the time the power is turned ON until the current time can be stored and displayed. This is useful, for example, when measuring the maximum value. 

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**----- Start of picture text -----**<br>
Current value<br>r > )<br>MAX/MIN<br>MAX value<br>TS )<br>MAX/MIN<br>MIN value<br>rT ) )<br>MAX/MIN<br>**----- End of picture text -----**<br>


**7** 

**K3MA-J** 

## **Nomenclature** 

2. Operation indicators 

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**----- Start of picture text -----**<br>
1 Max<br>Min<br>2 1. Main indicator<br>3. Level indicator SV<br>Z<br>T<br>MAX/MIN LEVEL MODE SHIFT UP<br>4. MAX/MIN key 8. Up key<br>5. Level key 7. Shift key<br>6. Mode key<br>**----- End of picture text -----**<br>


|||5. Level key<br>6. Mode key<br>7. Shift key|
|---|---|---|
|**Name**||**Functions**|
|1. Main indicator<br>Dis||plays current values, parameters, and set values.|
|2. Opera-<br>tion indica-<br>tors<br>1<br>2<br>S<br>M<br>M<br>Z<br>T|Lit|when output 1 is ON.|
||Lit|when output 2 is ON.|
||V<br>Lit|when a set value is beingdisplayed or changed.|
||ax<br>Lit|when the main indicator is showingthe MAX value.|
||in<br>Lit|when the main indicator is showingthe MIN value.|
||Lit|duringthe forced-zero operation.|
||Lit|when the teachingfunction is operable. Blinks while the teachingfunction is operating.|
|3. Level indicator<br>Dis||plays the current level that the K3MA-J is in. (See below for details.)|
|4. MAX/MIN Key<br>Us||ed to displaythe MAX and MIN values when a measurement value is beingdisplayed.|
|5. Level Key<br>Us||ed to change the level.|
|6. Mode Key<br>Us||ed to allow the main indicator to indicateparameters sequentially.|
|7. Shift Key<br>Us||ed to enable a set value to be changed. When changinga set value, this keyis used to move alongthe digits.|
|8. Up Key<br>Us||ed to change a set value. Used to set or clear a forced-zero function when a measurement value is beingdisplayed.|
|**Level indicator**<br>**Level**<br>p<br>Protect<br>Not lit<br>Operation<br>s<br>Initial setting<br>f<br>Advanced-function setting|||
|**Level indicator**||**Level**|
|p||Protect|
|Not lit||Operation|
|s||Initial setting|
|f||Advanced-function setting|



## **Dimensions** 

**(Unit:mm)** 

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101.2 Finger protective  Main indicator  Panel cut-out<br>91 cover (provided)<br>character size 120 min.<br>14.2 mm<br>85<br>97<br>7.6 mm 75 min. 92 + 0 0.5<br>12 45+0.50<br>1.3<br>80<br>96 Mounting Recommended Panel Thickness<br>1 to 8 mm.<br>Mount the product horizontally.<br>44.8<br>48 The K3MA-J uses M3 terminals.<br>MAX/MIN LEVEL MODE SHIFT UP<br>E D C B A<br>**----- End of picture text -----**<br>


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**8** 

**K3MA-J** 

## **A lication Exam les pp p** 

## **Monitoring interior tank pressure** 

## **Displaying/outputting liquid level** 

## **Flowrate sensor** 

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**----- Start of picture text -----**<br>
E8AA Pressure Sensor<br>Pa 4 to 20 mA  mm m/min<br>4 to 20 mA or 0 to 10 V K3MA-J<br>= ad GD<br>K3MA-J E4PA Ultra-<br>sonic Dis-<br>Pump placement<br>Sensor<br>K3MA-J 4 to 20 mA<br>; Pump Flowrate Sensor<br>Tank Discharge valve<br>**----- End of picture text -----**<br>


- Monitoring gas pressure 

- Inspection instruments in food or pharmaceutical plants 

- Monitoring liquid level in cleaning tanks 

- Water tanks, devices using chemicals, etc. 

- Monitoring send-out flowrate 

- Water processing devices, etc. 

## **Installation** 

**1.** Insert the K3MA-J into the panel cut-out hole. 

**2.** For a waterproof installation, insert the rubber gasket onto the body of the K3MA-J. 

## ■ **Rubber Packing** 

## **K32-P1** 

If the rubber packing is lost or damaged, it can be ordered using the following model number: K32-P1. 

(Depending on the operating environment, deterioration, contraction, or hardening of the rubber packing may occur and so, in order to ensure the level of waterproofing specified in NEMA4, periodic replacement is recommended.) 

**Note:** Rubber packing is provided with the Controller. 

**3.** Fit the adaptor into the grooves on the left and right sides of the rear case, then push it until it contacts the panel to secure the K3MA-J. 

## ■ **Wiring Precautions** 

- Use crimp terminals. 

- Tighten the terminal screws to a torque of approximately 0.5 N ⋅ m. 

- To avoid the influence of noise, route signal lines and power lines separately. 

## ■ **Wiring** 

## ■ **Angle of View** 

The K3MA is designed to provide the best visibility at the angles shown in the following diagram. 

**•** Use the following M3 crimp terminals. ~~7~~ 5.8 mm max. ~~+~~ 7C ~~"~~ i} 5.8 mm max. ~~+~~ 1 ~~9)Zt~~ 

## ■ **Unit Labels (Provided)** 

- The unit labels are not attached to the K3MA-J. Select the desired labels from the provided sheet. 

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**----- Start of picture text -----**<br>
10°<br>30°<br>V 7 AB s<br>**----- End of picture text -----**<br>


## ■ **Watertight Cover** 

**Y92A-49N** 

oo **Note:** For scales and gauges, use the unit labels that are specified by the relevant laws or regulations. omron iil 

**9** omrROnNn ~~a~~ 

**K3MA-J** 

## **O eratin Procedures p g** 

## ■ **Operations in Run Mode** 

## **Setting and Releasing a Forced Zero** 

## **Setting a Forced Zero** 

Any reference point can be easily set to zero. 

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**----- Start of picture text -----**<br>
Displayed value<br>Measured value<br>Measured value<br>after setting<br>forced zero<br>Forced zero input<br>Z indicator OFF ON<br>**----- End of picture text -----**<br>


- Press the Up Key while the measurement is being displayed. The displayed value will be shifted to 0 and measurement will be continued. 

If forced-zero protection is turned ON in the protect level, the Up Key cannot be used to set a forced zero. Forced-zero protection is ON in the default settings. 

- The Z indicator will light when a forced zero has been set. 

- The shifted measurement value after a forced zero has been set will be maintained even after power is turned OFF. 

## **Checking the Maximum and Minimum Values** 

The maximum and minimum values can be displayed by pressing the MAX/MIN Key while the measurement is being displayed. 

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**----- Start of picture text -----**<br>
MAX/MIN Key MAX/MIN Key MAX/MIN Key<br>Measurement MAX value MIN value<br>value<br>**----- End of picture text -----**<br>


The maximum and minimum values can be reset by pressing the MIN/MAX Key for 1 s min. when the maximum or minimum value is displayed. 

## **Checking and Setting Comparative Set Values (for Models with the Comparative Output Function)** 

Each time the Mode Key is pressed when the measurement value, maximum value, or minimum value is displayed, the comparative values will be displayed in the following order: OUT1 value (or OUT1 upper-limit value, OUT1 lower-limit 1), OUT 2 value (or OUT 2 upper-limit value, OUT2 lower-limit value 2). 

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**----- Start of picture text -----**<br>
OUT1 value OUT2 value<br>Measurement<br>value<br>MAX value<br>MIN value OUT1  OUT1  OUT2  OUT2<br>upper-limit  lower-limit  upper-limit  lower-limit<br>value value value value<br>Mode Key Mode Key Mode Key Mode Key Mode Key<br>**----- End of picture text -----**<br>


**Note:** When a comparative value is displayed, it can be changed by pressing the Shift Key and the Up Key (when key protection is OFF). 

## **Releasing a Forced Zero** 

- Press the Up Key for 1 s min. to release the forced zero. The Z indicator will turn OFF. 

## ■ **Levels** 

“Level” refers to a grouping of parameters. The following table lists the operations that are possible in each of the levels, and the diagram tells how to move between levels. There are some parameters that are not displayed for certain models. 

|**Level name**|**Function**|**Measurement**|
|---|---|---|
|Protect|Settinglockouts.|Continue|
|Operation|Displaying current values, setting/clearing forced-zero function, and<br>settingOUT 1/2 values.|Continue|
|Initial setting|Making initial settings of input type, scaling, output operating action,<br>and other parameters.|Stopped|
|Advanced-function setting|Setting average processing, display color settings, and other ad-<br>vanced-function parameters.|Stopped|



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**10** 

**K3MA-J** 

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**----- Start of picture text -----**<br>
Power ON<br>Operation level<br>+<br>Time set<br>by user<br>(See note.)  Flashing stops if key<br>1 s min.<br>is released.<br>Protect level  1 s min.<br>+<br>1 s min.   -1234.5<br>Indicates change of level.<br>Continue to press the key for 2 s min.<br>Initial setting level<br>Password "-0169"<br>1 s min.<br>Advanced-function<br>setting level<br>**----- End of picture text -----**<br>


**Note:** The move-to-protect-level time can be set in the advanced-function setting level. 

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**11** 

**K3MA-J** 

## ■ **Parameters** 

the input range is changed, some parameters are set to default values. Therefore, 

**==> picture [489 x 398] intentionally omitted <==**

**----- Start of picture text -----**<br>
Power ON<br>Operation level<br>Current value<br>For models with the<br>MODE<br>comparative output<br>function<br>OUT1 value  −<br>MODE<br>Set one of these.<br>OUT1<br>upper-limit  −<br>value<br>MODE<br>OUT1<br>lower-limit  −<br>value<br>MODE<br>OUT2 value  −<br>MODE<br>Set one of these.<br>OUT2<br>upper-limit  −<br>value<br>MODE<br>OUT2<br>lower-limit value −<br>MODE<br>**----- End of picture text -----**<br>


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**12** 

**K3MA-J** 

**==> picture [548 x 500] intentionally omitted <==**

**----- Start of picture text -----**<br>
To change a setting, press the Shift Key         again, and then<br>Press Level   make the change with the Up Key        .<br>Key         for<br>more than 3 s.  Press Level Key        for more than 1 s.<br>Advanced-function<br>Initial setting level<br>setting level<br>Press Level<br>Key         for  Enter<br>more than 1 s.  Input type  / / /  /  password "-0169" Parameter initialization  /<br>MODE  MODE<br>Scaling input value 1 −  Average  processing  / / /<br>MODE  Unit: times<br>MODE<br>Scaling<br>display  −<br>MODE  value 1  Models with the compar-  OUT1 hysteresis  −  −<br>Scaling input value 2 −  ative output  MODE<br>function<br>MODE  OUT2<br>Scaling  hysteresis  −  −<br>display value 2   −  MODE<br>MODE  Zero-limit<br>Decimal  Zero-limit<br>point  −  /<br>position<br>MODE  MODE<br>OUT1  Upper Limit  Zero-limit<br>type  Lower Limit  When zero- limit is ON  value  −<br>Upper/Lower<br>MODE  Limits<br>MODE<br>OUT2<br>type  Upper Limit  Display  Green (red)<br>Lower Limit  color  Green<br>MODE  Upper/Lower Limits  change  Red (green)<br>MODE<br>Move to  Red<br>advanced-  −  −  Display<br>function  auto-return<br>MODE  setting level  time  −  −<br>Unit: s<br>MODE<br>Move-to-<br>protect- level time  −  −<br>Unit: s<br>MODE<br>**----- End of picture text -----**<br>


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**13** 

**K3MA-J** 

**==> picture [365 x 183] intentionally omitted <==**

**----- Start of picture text -----**<br>
Press          Level Key +          Mode Key for more than 1 s.<br>Operation level Protect level<br>Press          Level Key +           Mode Key<br>for more than preset time.<br>Operation/adjustment<br>lockouts / /<br>MODE<br>Setting level lockout<br>/ /<br>MODE<br>Setting change lockout<br>/<br>MODE<br>Forced-zero shift<br>lockout /<br>MODE<br>**----- End of picture text -----**<br>


## **Operation/Adjustment Lockouts** 

## ■ **Initial Settings** 

Restricts key operations for operation level and adjustment level. 

|**Parameter**|**Setting**|**Operation level**|**Operation level**|
|---|---|---|---|
|||**Current value display**|**Set value display**|
|oapt|0|Allowed|Allowed|
||1|Allowed|Allowed|
||2|Allowed|Prohibited|



Power ON Press the Level Key       for 3 s min. to move to the initial setting level. 

- Initial setting is 0. 

- This cannot be displayed on models not equipped with the comparative output function. 

## **Setting Level Lockout** 

Select the input type. 

Set the scaling values and specify output operating action as required. 

Restricts shifting to initial setting level or advanced-function setting level. 

|**Parameter**|**Setting**|**Shift to initial**<br>**setting level**|**Shift to advanced-**<br>**function setting level**|
|---|---|---|---|
|icpt|0|Allowed|Allowed|
||1|Allowed|Prohibited|
||2|Prohibited|Prohibited|



## **Setting Change Lockout** 

If required, shift to the advanced-function setting level to set the number of measurements for averaging, hysteresis values, auto-zero limit value, display color change, display auto-return time, or move-to-protect-level time. 

Press the Level Key       for less than 1 s min. to return to the operation level. 

Restricts setting changes by key operation. When this lockout is set, it is no longer possible to shift to a setting change mode. 

|**Parameter**|**Setting**|**Setting change by key**<br>**operation**|
|---|---|---|
|wtpt|off|Allowed|
||on|Prohibited|



Specify set value of OUT 1 and 2. 

Measurement starts. 

However, all protect level parameters can still be changed. 

## **Forced-zero Lockout** 

Restricts the setting or release of a forced-zero by front-panel key operation. 

|<br>operation.|||
|---|---|---|
|**Parameter**|**Setting**|**Setting/release of forced-zero**<br>**by key operation**|
|=rpt|off|Allowed|
||on|Prohibited|



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**14** 

**K3MA-J** 

## ■ **Setting Example** 

## **Initial Settings** 

The settings for the following example are shown here. 

## **Example: Tank pressure display** 

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**----- Start of picture text -----**<br>
0 to 980 kPa  4 to 20 mA  SV 1 2  Max Min<br>Pressure Sensor<br>MAX/MIN  LEVEL  MODE  SHIFT  UP<br>K3MA-J-A2 24VAC/VDC<br>**----- End of picture text -----**<br>


Here, the pressure inside the tank is to be displayed in units of 0.1 kPa. 

- Pressure Sensor 

Measuring range: 0 to 980 kPa, output 4 to 20 mA 

**==> picture [157 x 125] intentionally omitted <==**

**----- Start of picture text -----**<br>
Display value<br>DISPLAY 2<br>( )<br>DISPLAY 1<br>( )<br>Input value<br>INPUT 1 INPUT 2<br>( ) ( )<br>**----- End of picture text -----**<br>


**1.** Set the K3MA-J input type to the 4 to 20 mA input range. Parameter: in-t (input type), Setting value: 4-20 

**2.** Set the display values for the corresponding input values. Set the scaling as shown below for the following correspondence: input 4 mA-->display 0.0, input 20 mA-->display 980.0 Parameter Setting value inp.1 (scaling input value 1) 4.00 dsp.1 (scaling display value 1) 00000 inp.2 (scaling input value 2) 20.00 dsp.2 (scaling display value 2) 09800 dp (decimal point position) %%%%.% 

- **Note:** The decimal point position here refers to the position in the number after scaling. When setting the scaling display value, it is necessary to consider the number of digits to be displayed past the decimal point. 

## ■ **Troubleshooting** 

When an error occurs, error details will be displayed on the main indicator. Confirm the error from the main indicator and take the appropriate countermeasures. 

|**Level**<br>**display**|**Main indicator**|**Error contents**|**Countermeasures**|
|---|---|---|---|
|Not lit|e111|RAM memory error|Repair is necessary.<br>Consultyour OMRON sales representative.|
|5|e111|EEPROM memory error|When this error is displayed, press the Level Key for 3 sec-<br>onds, and the settings will be restored to the factory set-<br>tings.<br>If the error cannot be recovered, repair is necessary. Con-<br>sultyour OMRON sales representative.|
|Not lit|Flashess.err|You will see this indication when turning ON the<br>product the first time after purchase. This is be-<br>cause the input signal value is 0 mA at that time<br>even though the range is factory set to 4 to 20 mA.<br>For the K3MA-J-A2, the relay output will be OFF.|At the initial setting level, set the input type and other pa-<br>rameters according to your application.|
|||Input error|Promptly change the input voltage/current to a value that<br>falls within the measurement range.<br>If the error cannot be recovered, repair is necessary. Con-<br>sultyour OMRON sales representative.|
|Not lit|Flashes99999|The scaling display value exceeds 99999.|Promptly change the input to a value that falls within the<br>specified range.|
||||The scaling value may be inappropriate. Review the scal-<br>ingvalue at the initial settinglevel.|
|Not lit|Flashes<br>19999<br>-|The scaling display value is lower than−19999.|Promptly change the input to a value that falls within the<br>specified range.|
||||The scaling value may be inappropriate. Review the scal-<br>ingvalue at the initial settinglevel.|



ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. 

In the interest of product improvement, specifications are subject to change without notice. 

**==> picture [539 x 34] intentionally omitted <==**

To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. 

**15** 

## Terms and Conditions Agreement 

## Read and understand this catalog. 

Please read and understand this catalog before purchasing the products.  Please consult your OMRON representative if you have any questions or comments. 

## Warranties. 

(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron disclaims all other warranties, express or implied. 

(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE 

PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. 

Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty, repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice, recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above warranty. 

See http://www.omron.com/global/ or contact your Omron representative for published information. 

## Limitation on Liability; Etc. 

OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY. Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted. 

## Suitability of Use. 

Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases. 

NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. 

## Programmable Products. 

Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence thereof. 

## Performance Data. 

Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability. 

## Change in Specifications. 

Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at any time to confirm actual specifications of purchased Product. 

## Errors and Omissions. 

Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors or omissions. 

**In the interest of product improvement, specifications are subject to change without notice.** 

## **OMRON Corporation** 

## **Industrial Automation Company** 

2017.4 

**http://www.ia.omron.com/** 

(c)Copyright OMRON Corporation 2017 All Right Reserved.