PSAC0000

Bulletin No.  PROX-J Drawing No.  LP0019 Released  03/13 

Tel +1 (717) 767-6511 Fax +1 (717) 764-0839 www.redlion.net 

**==> picture [112 x 66] intentionally omitted <==**

**----- Start of picture text -----**<br>
Tel +1 (717) 767-6511<br>red Fax +1 (717) 764-0839  |<br>**----- End of picture text -----**<br>


## _**MODEL PSAC - 3-WIRE INDUCTIVE PROXIMITY SENSOR WITH**_ 

## _**CURRENT SINK OUTPUT**_ 

- _SENSE FERROUS AND NON-FERROUS METAL OBJECTS_ 

- _OPERATES FROM ZERO TO 5 KHZ PULSE OUTPUT RATE_ 

- _SENSES TARGETS AS SMALL AS 12 D.P. GEAR TEETH_ 

- _IDEAL FOR TACHOMETER, COUNTER AND CONTROL INPUT_ 

## _**DESCRIPTION**_ 

The PSAC offers a NPN Open Collector output that is compatible with most Red Lion Controls’ Motion Monitors, Counters, and Controls. This sensor has a maximum sensing distance of 0.059" (1.5 mm) and can detect ferrous and nonferrous metal targets from zero speed to 5 KHz. 

The 0.25" diameter pole piece is epoxy encapsulated in a stainless steel case measuring 0.75" Dia. x 3.5" L and is supplied with a 10, 25 or 50 ft., 3-wire, cable. Overall dimensions, including the neoprene strain-relief boot are 0.90" Dia. x 4.5" L. Operating temperature range is -25 ° to +70 °C. 

## _**SPECIFICATIONS**_ 

1. **SUPPLY VOLTAGE:** +10 - 30 VDC @ 20 mA max.; **Unit is not Reverse Polarity Protected.** 

2. **MAXIMUM SWITCHING FREQUENCY:** 5 KHz 

3. **OUTPUT:** NPN Open Collector Transistor; 

- VOH = 30 VDC max.; VOL = 1 V max @ 150 mA. 

4. **MAXIMUM SENSING DISTANCE:** 0.059" (1.5 mm) 

5. **OUTPUT CABLE:** Integrally potted 10, 25, or 50 feet ± 6 inches; PUR jacketed 3-wire 24 AWG conductors. 

## _**PSAC APPLICATION**_ 

PSAC application depends on the size, material, and spacing of the targets being sensed and the sensing distance that can be maintained. The maximum sensing distance is defined as that distance where the sensor is just close enough to detect a ferrous target whose diameter is equal to or greater than the sensor diameter. For the PSAC, the internally potted sensor diameter is 0.25". In an actual application the sensing distance should be between 50-70% of the maximum to assure reliable detection. For target sizes smaller than the 0.25" sensor diameter, the maximum sensing distance can be estimated from the curve in Fig. 2. A further reduction factor must also be applied if the target material is a non-ferrous metal as shown in Fig. 3. 

Ideally, spacing between adjacent targets should be at least 0.25" so that the first target completely leaves the sensors’ viewing field before the next target appears. Individual targets can still be resolved as separate objects if this spacing is reduced to 70 or 75% of the sensor diameter, however this can introduce a minimum limit on sensing distance that makes adjustment a bit more critical 

The PSAC is internally shielded which allows the sensor face to be flush mounted in metal applications without reducing sensing distance. 

   - **BROWN** = +VDC, **BLUE** = Common, **BLACK** = NPN O.C. Output 

6. **OPERATING TEMPERATURE RANGE:** -25 °C to +70 °C (-13 °F to +158 °F) 

**==> picture [250 x 99] intentionally omitted <==**

**----- Start of picture text -----**<br>
SENSING TARGET<br>BROWN<br>10-30VDC @ 20mA<br>BLACK<br>OUTPUT:<br>150mA MAX @ V    = 1VOL<br>+30V MAX @ 0mA<br>BLUE<br>COMMON<br>.059 MAXIMUM SENSING DISTANCE<br>(1.5) 7 (SEE INFORMATION AT RIGHTON SENSING DISTANCE) Figure 1<br>OSCILLATOR CIRCUIT<br>**----- End of picture text -----**<br>


7. **CONSTRUCTION:** Epoxy Encapsulated 0.25" dia. sensor in 0.750" ±0.005" dia. #304 stainless steel case. 

## _**DIMENSIONS In inches (mm)**_ 

**==> picture [229 x 103] intentionally omitted <==**

**----- Start of picture text -----**<br>
PSAC : WIRE COLOR CODEBROWN = +VDCBLUE = COMMON<br>NEOPRENE STRAIN BLACK = NPN O.C. OUTPUT<br>RELIEF BOOT<br>304 S.S. CASE<br>.750±.005 DIA. .9 (22.9) DIA.<br>FLUSH MOUNT<br>.25 DIA.<br>POLE PIECE<br>3.5 (88.9)<br>4.5 (114.3) INTEGRALLY POTTED10 FT. 3-WIRE CABLE10 FT. 3-WIRE CABLE<br>**----- End of picture text -----**<br>


## _**MAXIMUM SENSING DISTANCE REDUCTION FACTORS**_ 

**==> picture [530 x 145] intentionally omitted <==**

**----- Start of picture text -----**<br>
4.5 (114.3) INTEGRALLY POTTED10 FT. 3-WIRE CABLE10 FT. 3-WIRE CABLE Reduction in the max. sensing distance due to decrease in diameter of ferrous  Typical reduction factors for various nonferrous targets with diameters equal to<br>targets. or greater than sensor diameter.<br>100<br>ORDERING INFORMATION MATERIAL % SENSING DISTANCE<br>MODEL NO. DESCRIPTION PART NUMBER MILD STEEL 100%<br>NPN O.C. Proximity Sensor, 10 ft. Cable PSAC0000 50 STAINLESSSTEEL APPROX. 75%<br>PSAC NPN O.C. Proximity Sensor, 25 ft. Cable PSAC0025 ALUMINUM APPROX. 40%<br>NPN O.C. Proximity Sensor, 50 ft. Cable PSAC0050<br>Block Mount for 3/4" Cylindrical Sensors 5400100 BRASS APPROX. 35%<br>Steel Plug Mount 5403701 0 COPPER APPROX. 30%<br>Stainless Steel Plug Mount 5403702 0 .25 .5 .75 1<br>= RATIO, ae TARGET DIAMETERSENSOR DIAMETER<br>Figure 2 Figure 3<br>Do not dispose of unit in trash - Recycle<br>% OF MAX. SENSING DISTANCE<br>**----- End of picture text -----**<br>


## _**ORDERING INFORMATION**_ 

## _**3/4" DIAMETER CYLINDRICAL SENSOR MOUNTING**_ 

## **BLOCK MOUNT** 

The PSAC and other Red Lion Controls 3/4" diameter cylindrical pickups may be easily mounted using Model 5400100 **BLOCK MOUNT** _(see diagram below)_ . This machined block of solid aluminum provides for rigid mounting using the two included #8-32 x 1/2" screws. The one screw split-clamp design allows for easy adjustment of airgap and locks the unit securely without deforming the case. 

**==> picture [256 x 130] intentionally omitted <==**

**----- Start of picture text -----**<br>
1.625<br>(41.3)<br>.875<br>(22.2)<br>SENSOR<br>#8-32 THD.<br>.25 .187 .625 .25" (6.4) MIN.<br>(6.4) (4.8) (15.9)<br>.50 1.00<br>(12.7)<br>(25.4)<br>**----- End of picture text -----**<br>


## **PLUG MOUNT** 

The **PLUG MOUNT** _(see diagram below)_ allows 3/4" dia. cylindrical sensors to be mounted in “thru-wall” applications. The Plug Mounts 3/4-14 NPT thread is installed into a threaded wall or casing. The sensor is then installed through the plug mount. The sensor-to-target airgap is adjusted and the sensor is tightened into position by two #8-32 set screws. Tightening the ferrule nut compresses a teflon ferrule around the sensor providing an oil tight seal. Plug Mounts are available in both steel and stainless steel _(see ordering information)_ . 

**==> picture [256 x 127] intentionally omitted <==**

**----- Start of picture text -----**<br>
1 1/8" HEX<br>FERRULE NUT<br>1 1/16" HEX<br>3/4" x 14 NPT<br>PIPE THREAD<br>PICKUP<br>SENSING<br>FACE<br>#8-32 SET<br>SCREWS<br>2.01<br>**----- End of picture text -----**<br>


## **LIMITED WARRANTY** 

The Company warrants the products it manufactures against defects in materials and workmanship for a period limited to two years from the date of shipment, provided the products have been stored, handled, installed, and used under proper conditions. The Company’s liability under this limited warranty shall extend only to the repair or replacement of a defective product, at The Company’s option. The Company disclaims all liability for any affirmation, promise or representation with respect to the products. 

The customer agrees to hold Red Lion Controls harmless from, defend, and indemnify RLC against damages, claims, and expenses arising out of subsequent sales of RLC products or products containing components manufactured by RLC and based upon personal injuries, deaths, property damage, lost profits, and other matters which Buyer, its employees, or sub-contractors are or may be to any extent liable, including without limitation penalties imposed by the Consumer Product Safety Act (P.L. 92-573) and liability imposed upon any person pursuant to the Magnuson-Moss Warranty Act (P.L. 93-637), as now in effect or as amended hereafter. 

No warranties expressed or implied are created with respect to The Company’s products except those expressly contained herein. The Customer acknowledges the disclaimers and limitations contained herein and relies on no other warranties or affirmations. 

Red Lion Controls Headquarters 20 Willow Springs Circle York PA 17406 Tel +1 (717) 767-6511 Fax +1 (717) 764-0839 

Red Lion Controls Europe Softwareweg 9 NL - 3821 BN Amersfoort Tel +31 (0) 334 723 225 Fax +31 (0) 334 893 793 

Red Lion Controls India 201-B, 2nd Floor, Park Centra Opp 32 Mile Stone, Sector-30 Gurgaon-122002 Haryana, India Tel +91 984 487 0503 

Red Lion Controls China Unit 302, XinAn Plaza Building 13, No.99 Tianzhou Road ShangHai, P.R. China 200223 Tel +86 21 6113 3688 Fax +86 21 6113 3683