# Controller, Temperature/Process, Strain, 1/8 DIN, B/C/E/J/K/L/N/R/S/T/RTD, 0 to 50 °C, CNi8 Series

![Product image](https://novapart.co/image/farnell:3906885/)

**URL**: https://novapart.co/products/CNI8DH53/controller-temperature-process-strain-1-8-din-b-c
**SKU**: CNI8DH53
**Manufacturer**: OMEGA
**Category**: Automation & Process Control || Temperature Controllers
**Price**: €563.1200
**Stock**: 10+
**Lead Time**: 71 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead (04-Feb-2026) |
| Product Range | CNi8 Series |
| Thermocouple Type | B, C, E, J, K, L, N, R, S, T, RTD |
| Output Voltage Max | 250VAC |
| Output Voltage Min | - |
| Temperature Accuracy ± | 0.5°C |
| Operating Temperature Max | 50°C |
| Operating Temperature Min | 0°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3906885/)

## **1 ⁄8 DIN Dual Display, Temperature, Process and Strain PID Controllers** | Series **TM** 

## **CNi8D Series** 

**FM APPROVED For Temp. Units** 

- U **Embedded Ethernet Connectivity (Optional)** 

- U **Dual Display with Bright Color-Changing Feature** 

- U **Programmable Digital Filter** 

- U **2 Control or Alarm Outputs (Choice of DC Pulse, Solid State Relays, Mechanical Relays, Analog Voltage and Current)** 

- U **Full Autotune PID Control** U **Built-In Excitation** U **Front Removable** 

The OMEGA[TM] CNi8DH and CNi8DV are high-quality, highly accurate single loop autotune PID temperature and process controllers for[1] ⁄8 DIN (92 x 45 mm) horizontal or vertical panel cutouts. Both devices feature the same state-ofthe-art technology, uncompromising accuracy, and quality backed by an extended 5-year warranty. 

The CNi8DH and CNi8DV are simple to configure and use, while providing tremendous versatility and a wealth of powerful features. 

The CNi8DH and CNi8DV come standard with your choice of 2 control or alarm outputs in almost any combination: solid state relays rated at 0.5 A @ 120/240 Vac; Form “C” SPDT relays rated at 3 A @ 120/240 Vac; pulsed 10 Vdc output for use with an external SSR; or analog output (0 to 10 Vdc or 0 to 20 mA) selectable for control or retransmission of the process value. 

**CNi8DH33, shown smaller than actual size.** 

**CNiS8DV33, shown smaller than actual size.** 

The universal temperature and process instrument (CNi8 models) offer a selection of 10 thermocouple types as well as 2-, 3- or 4-wire RTDs, process voltage and current. The CNi8DH and CNi8DV are ideal controllers for use with transmitters and amplified transducers. Built-in excitation is standard (24 Vdc @ 25 mA). The units handle 0 to 20 mA process current and process voltage in 3 scales: 0 to 100 mV, 0 to 1V, and 0 to 10V. 

straightforward ASCII protocol. The C4EIT option includes Ethernet and RS485 ASCII on 1 device. The iSeries, with the network options, are designed for easy integration with popular industrial automation and control programs as well as Microsoft Visual Basic[®] and Excel[®] . OMEGA provides free configuration software which makes it fast and easy to get up and running with many applications. Available for download off the Internet. 

As with all iSeries devices, the process value display can be programmed to change color between **GREEN, AMBER,** and **RED** at any setpoint or alarm point. The LEDs displaying the process value on the CNi8DH (horizontal[1] ⁄8 DIN) are the largest digits of any[1] ⁄8 DIN controller. 

i **TM** change color **at any setpoint** 

The strain/process instrument (model iS) meters and controllers measure inputs from load cells, pressure transducers, and most any strain gage sensor. Input ranges include 0 to 100 mVdc; -100 mVdc to 1 Vdc; 0 to 10 Vdc in addition to 0 to 20 mA. Excitation for transducers of 5 V and 10 V is standard. 

The highly recommended networking and communications options include direct Ethernet LAN connectivity with an embedded Web server, and serial communications. The C24 serial communications option includes both RS232 and RS485 which can be selected from the menu as well as both a 

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Totally<br>Programmable<br>Color<br>Displays<br>PATENTED *<br>**----- End of picture text -----**<br>


**1** 

**The i/8 Series controllers feature plug/removable connectors and a sturdy panel mounting sleeve with adjustable thumb nuts for easy secure installation.** 

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Dimensions: mm (inch)<br>a<br>22.9 (0.90) 17.78 (0.700)<br>T = 109.86<br>104 (4.10)  (4.325)<br>**----- End of picture text -----**<br>


## **Options** 

|**Ordering**<br>**Suffix**|**Description**|
|---|---|
|**-AL**|Limit alarm version (alarms only,<br>no PID control)***2**<br>Simplified menu (on/off control or|
|**-SM**|Simplified menu (on/off control or<br>alarms, no PID)***3**|
|**Network Options**|alarms, no PID)|
|**Network Options**<br> **-EIT**|Ethernet with embedded<br>Web server|
|-**C24**|Isolated RS232 and RS485/422,<br>300 to 19.2 Kb***1**|
|-**C4EIT**|Ethernet with embedded Web<br>server + isolated RS485/422 hub<br>for up to 31 devices***1**|
|**Power Supply**||
|**Power Supply**<br>|Standard power input:<br>90 to 240 Vac, 50 to 400 Hz<br>(no entry required)|
|**-DC**|20 to 36 Vdc, 24 Vac***1**|
|**Factory Setup**||
|**-FS**|Factory setup and configuration|
|**Software (Requires Network Option)**|**Software (Requires Network Option)**|
|**Omega-Enterprise-**<br>**Gateway**|**Omega-Enterprise-**Logging/Alarming/Monitoring with<br>Integration Capabilities|



- _**[1] “-DC”, “-C24”,** and_ _**“-C4EIT”** not available with excitation._ 

- _**[2]** Analog output is not available with_ _**“-AL”** units._ 

|**To Order**|**To Order**|**To Order**|
|---|---|---|
|**Model No.**<br>**Output 1**<br>**Output 2**|||
|**Dual Display Horizontal with 2 Control Outputs**|**Output 1**<br>**Dual Display Horizontal with 2 Control Outputs**|**Output 2**<br>**Dual Display Horizontal with 2 Control Outputs**|
|**Dual Display Horizontal with 2 Control Outputs**<br>**CNi8DH33**|**Dual Display Horizontal with 2 Control Outputs**<br>Relay|**Dual Display Horizontal with 2 Control Outputs**<br>Relay|
|**CNi8DH34**|Relay<br>Relay|Relay<br>DC pulse|
|**CNi8DH44**|Relay<br>DC pulse|DC pulse<br>DC pulse|
|**CNi8DH43**|DC pulse<br>DC pulse|DC pulse<br>Relay|
|**CNi8DH42**|DC pulse<br>DC pulse|Relay<br>0.5 A SSR|
|**CNi8DH22**|DC pulse<br>0.5 A SSR|0.5 A SSR|
|**CNi8DH23**|0.5 A SSR|Relay|
|**CNi8DH24**|0.5 A SSR|Relay<br>DC pulse|
|**CNi8DH53**|Analog|Relay|
|**CNi8DH54**|Analog<br>Analog|Relay<br>DC pulse|
|**CNi8DH52**|Analog<br>Analog|DC pulse<br>0.5 A SSR|
|**Dual Display Vertical with 2 Control Outputs**|Analog<br>**Dual Display Vertical with 2 Control Outputs**|**Dual Display Vertical with 2 Control Outputs**|
|**Dual Display Vertical with 2 Control Outputs**<br>**CNi8DV33**<br>~~ee~~<br>~~ee~~|**Dual Display Vertical with 2 Control Outputs**<br>Relay<br>~~ee~~<br>~~ee~~|**Dual Display Vertical with 2 Control Outputs**<br>Relay<br>~~ee~~<br>~~ee~~|
|**CNi8DV34**<br>~~ee~~<br>~~ee~~|Relay<br>Relay<br>~~ee~~<br>~~ee~~|Relay<br>DC pulse<br>~~ee~~<br>~~ee~~|
|**CNi8DV44**<br>~~ee~~|DC pulse<br>~~ee~~|DC pulse<br>~~ee~~|
|**CNi8DV43**<br>~~ee~~|DC pulse<br>DC pulse<br>~~ee~~|DC pulse<br>Relay<br>~~ee~~|
|**CNi8DV42**<br>~~ee~~|DC pulse<br>DC pulse<br>~~ee~~|Relay<br>0.5 A SSR<br>~~ee~~|
|**CNi8DV22**<br>~~ee~~|DC pulse<br>0.5 A SSR<br>~~ee~~|0.5 A SSR<br>~~ee~~|
|**CNi8DV23**<br>~~ee~~|0.5 A SSR<br>~~ee ~~|Relay<br> ~~ee~~|
|**CNi8DV24**|0.5 A SSR|Relay<br>DC pulse|
|**CNi8DV53**<br>~~a~~|Analog|DC pulse<br>Relay|
|**CNi8DV54**<br>**CNi8DV52**<br>~~a~~<br>~~ee~~|Analog<br>Analog<br>Analo<br>~~ee~~|Relay<br>DC pulse<br>0.5 A SSR<br>~~ee~~|
|**CNi8DV52**<br>**Strain/Process Input, Dual Display Horizontal with**<br>**2 Control Outputs**<br>~~a~~<br>~~ee ~~|Analog<br>**Strain/Process Input, Dual Display Horizontal with**<br>**2 Control Outputs**<br> ~~ee~~|0.5 A SSR<br>**Strain/Process Input, Dual Display Horizontal with**<br>~~ee~~|
|**2 Control Outputs**<br>**CNiS8DH33**|**2 Control Outputs**<br>Relay|Relay|
|**CNiS8DH44**|Relay<br>DC pulse|Relay<br>DC pulse|
|**CNiS8DH43**|DC pulse<br>DC pulse|DC pulse<br>Relay|
|**CNiS8DH42**|DC pulse<br>DC pulse|Relay<br>0.5 A SSR|
|**CNiS8DH22**|DC pulse<br>0.5 A SSR|0.5 A SSR|
|**CNiS8DH23**|0.5 A SSR|Relay|
|**CNiS8DH24**|0.5 A SSR|Relay<br>DC pulse|
|**CNiS8DH53**|Analog|DC pulse<br>Relay|
|**CNiS8DH54**|Analog|DC pulse|
|**CNiS8DH52**|Analog<br>Analog|0.5 A SSR|
|**Strain/Process Input, Dual Display Vertical**<br>**with 2 Control Outputs**|**Strain/Process Input, Dual Display Vertical**<br>**with 2 Control Outputs**|**Strain/Process Input, Dual Display Vertical**|
|**with 2 Control Outputs**<br>**CNiS8DV33**|**with 2 Control Outputs**<br>Relay|Relay|
|**CNiS8DV44**|Relay<br>DC pulse|Relay<br>DC pulse|
|**CNiS8DV43**|DC pulse<br>DC pulse|DC pulse<br>Relay|
|**CNiS8DV42**|DC pulse<br>DC pulse|Relay<br>0.5 A SSR|
|**CNiS8DV22**|0.5 A SSR|0.5 A SSR|
|**CNiS8DV23**|0.5 A SSR|Relay|
|**CNiS8DV24**|0.5 A SSR|Relay<br>DC pulse|
|**CNiS8DV53**|Analog|DC pulse<br>Relay|
|**CNiS8DV54**|Analog<br>Analog|Relay<br>DC pulse|
|**CNiS8DV52**|Analog<br>Analog|DC pulse<br>0.5 A SSR|



|**CNiS8DH52**<br>Analog<br>0.5 A SSR|**CNiS8DH52**<br>Analog<br>0.5 A SSR|**CNiS8DH52**<br>Analog<br>0.5 A SSR|
|---|---|---|
|**Strain/Process Input, Dual Display Vertical**<br>**with 2 Control Outputs**<br>**CNiS8DV33**<br>Relay<br>Relay<br>**CNiS8DV44**<br>DC pulse<br>DC pulse<br>**CNiS8DV43**<br>DC pulse<br>Relay<br>**CNiS8DV42**<br>DC pulse<br>0.5 A SSR<br>**CNiS8DV22**<br>0.5 A SSR<br>0.5 A SSR|||
|**CNiS8DV23**|0.5 A SSR|Relay|
|**CNiS8DV24**|0.5 A SSR|DC pulse|
|**CNiS8DV53**<br>**CNiS8DV54**<br>**CNiS8DV52**|Analog<br>Analog<br>Analog|Relay<br>DC pulse<br>0.5 A SSR|



_Comes with complete operator’s manual._ 

_**Ordering Examples: CNi8DH43** , horizontal[1] ⁄8 DIN dual display with pulse control and relay._ _**CNi8DV53** ,[1] ⁄8 DIN dual display vertical controller with analogue output and relay._ _**CNiS8DH22** ,[1] ⁄8 DIN dual display horizontal controller with 2 SSR outputs._ 

- _**[3] “-SM”** option not available on CNiS strain models._ 

**2** 

## i **TM** Series 

## **[(][All][i/8, i/16, i/32 DIN)] Common Specifications** 

**RS485:** Addressable from 0 to 199 **Connection:** Screw terminals 

**Input Impedance:** 10 MΩ for 100 mV; 1 MΩ for 1V or 10 Vdc 

## **Universal Temperature and Process Input (DPi/CNi Models)** 

## **Alarm 1 and 2 (Programmable)** 

**Current Input:** 0 to 20 mA (5 Ω load) **Linearization Points:** Up to 10 **Configuration:** Single-ended **Polarity:** Unipolar 

**Type:** Same as output 1 and 2 **Operation:** High/low, above/below, band, latch/unlatch, normally open/ normally closed and process/deviation; front panel configurations 

**Accuracy:** ±0.5°C temp; 0.03% rdg **Resolution:** 1°/0.1°; 10 µV process **Temperature Stability: RTD:** 0.04°C/°C 

**Step Response:** 0.7 sec for 99.9% **Decimal Selection:** None, 0.1, 0.01 or 0.001 

**TC @ 25°C (77°F):** 0.05°C/°C **Cold Junction Compensation Process:** 50 ppm/°C **NMRR:** 60 dB 

## **Analog Output (Programmable):** 

Non-isolated, retransmission 0 to 10 Vdc or 0 to 20 mA, 500 Ω max (output 1 only); accuracy is ± 1% of FS when following conditions are satisfied: input is not scaled below 1% of input FS, analog output is not scaled below 3% of output FS 

**Setpoint Adjustment:** -1999 to 9999 counts 

**CMRR:** 120 dB 

**Span Adjustment:** 0.001 to 9999 counts **Offset Adjustment:** -1999 to 9999 

**A/D Conversion:** Dual slope **Reading Rate:** 3 samples/s **Digital Filter:** Programmable **Display:** 4-digit 9-segment LED 10.2 mm (0.40"); i32, i16, i16D, i8DV 21 mm (0.83"); i8 10.2 mm (0.40") and 21 mm (0.83"); i8DH **RED** , **GREEN,** and **AMBER** programmable colors for process variable, setpoint and temperature units 

## **General** 

**Excitation (Optional In Place Of Communication):** 5 Vdc @ 40 mA; 10 Vdc @ 60 mA 

**Power:** 90 to 240 Vac ±10%, 50 to 400 Hz*, 110 to 300 Vdc, equivalent voltage **Low Voltage Power Option:** 24 Vac**, 12 to 36 Vdc for DPi/CNi/DPiS/CNiS; 20 to 36 Vdc for dual display, ethernet and isolated analog output from qualified safety approved source 

## **Control** 

**Action:** Reverse (heat) or direct (cool) **Modes:** Time and amplitude proportional control; selectable manual or auto PID, proportional, proportional with integral, proportional with derivative and anti-reset Windup, and on/off **Rate:** 0 to 399.9 s **Reset:** 0 to 3999 s 

## **Isolation** 

**Input Types:** Thermocouple, RTD, analog voltage, analog current **Thermocouple Lead Resistance:** 100 Ω max 

**Power to Input/Output:** 2300 Vac per 1 minute test **For Low Voltage Power Option:** 1500 Vac per 1 minute test **Power to Relay/SSR Output:** 2300 Vac per 1 minute test **Relay/SSR to Relay/SSR Output:** 2300 Vac per 1 minute test **RS232/485 to Input/Output:** 500 Vac per 1 minute test **Environmental Conditions:** 

**Thermocouple Types (ITS 90):** J, K, T, E, R, S, B, C, N, L (J DIN) **RTD Input (ITS 68):** 100/500/1000 Ω Pt sensor, 2-, 3- or 4-wire; 0.00385 or 0.00392 curve 

**Cycle Time:** 1 to 199 s; set to 0 for on/off **Gain:** 0.5 to 100% of span; setpoints 1 or 2 **Damping:** 0000 to 0008 **Soak:** 00.00 to 99.59 (HH:MM), or OFF **Ramp to Setpoint:** 00.00 to 99.59 (HH:MM), or OFF **Auto Tune:** Operator initiated from front panel 

**Voltage Input:** 0 to 100 mV, 0 to 1V, 0 to 10 Vdc 

**All Models:** 0 to 55°C (32 to 131°F) 90% RH non-condensing **Dual Display Models:** 

**Input Impedance:** 10 MΩ for 100 mV 1 MΩ for 1 or 10 Vdc 

## **Control Output 1 and 2** 

**Current Input:** 0 to 20 mA (5 Ω load) **Configuration:** Single-ended **Polarity:** Unipolar **Step Response:** 0.7 sec for 99.9% **Decimal Selection: Temperature:** None, 0.1 **Process:** None, 0.1, 0.01 or 0.001 **Setpoint Adjustment:** -1999 to 9999 counts 

0 to 50°C (32 to 122°F), 90% RH non-condensing (for UL only) **Protection:** 

**Relay:** 250 Vac or 30 Vdc @ 3 A (resistive load); configurable for on/off, PID and ramp and soak 

**DPi/CNi/DPiS/CNiS32,16,16D, 8C:** NEMA 4X/Type 4 (IP65) front bezel **DPi/CNi/DPiS/CNiS8, 8DH, 8DV:** NEMA 1/Type 1 front bezel **Approvals:** UL, C-UL, CE per 2014/35/EU, FM (temperature units only) 

**Output 1:** SPDT, can be configured as alarm 1 output 

**Output 2:** SPDT, can be configured as alarm 2 output 

**SSR:** 20 to 265 Vac @ 0.05 to 0.5 A (resistive load); continuous 

**Span Adjustment:** 0.001 to 9999 counts **Offset Adjustment:** -1999 to 9999 

**DC Pulse:** Non-isolated; 10 Vdc @ 20 mA 

## **Dimensions** 

**Analog Output (Output 1 Only):** 

- **i/8 Series:** 48 H x 96 W x 127 mm D 

(1.89 x 3.78 x 5") 

Non-isolated, proportional 0 to 10 Vdc or 0 to 20 mA; 500 Ω max 

**Excitation (Not Included with Communication):** 24 Vdc @ 25 mA (not available for low-power option) 

**i/16 Series:** 48 H x 48 W x 127 mm D (1.89 x 1.89 x 5") **i/32 Series:** 25.4 H x 48 W x 127 mm D 

## **Output 3 Retransmission:** 

**Isolated Analog Voltage and Current Current:** 10 V max @ 20 mA output **Voltage:** 20 mA max for 0 to 10 V output 

(1.0 x 1.89 x 5") 

## **Universal Strain and Process Input (DPiS/CNiS Models)** 

## **Panel Cutout** 

- **i/8 Series:** 45 H x 92 mm W 

**Accuracy:** 0.03% reading **Resolution:** 10/1µV 

## **Network and Communications** 

(1.772 x 3.622"),[1] ⁄8 DIN **i/16 Series:** 45 mm (1.772") square, 

**Ethernet:** Standards compliance IEEE 802.3 10 Base-T 

**Temperature Stability:** 50 ppm/°C **NMRR:** 60 dB **CMRR:** 120 dB 

1⁄16 DIN 

**Supported Protocols:** TCP/IP, ARP, HTTPGET 

**i/32 Series:** 22.5 H x 45 mm W 

(0.886 x 1.772"),[1] ⁄32 DIN 

**RS232/RS422/RS485:** Selectable from menu; both ASCII and MODBUS protocol selectable from menu; programmable 300 to 19.2 Kb; complete programmable setup capability; program to transmit current display, alarm status, min/max, actual measured input value and status 

**A/D Conversion:** Dual slope **Reading Rate:** 3 samples/s **Digital Filter:** Programmable **Input Types:** Analog voltage and current **Voltage Input:** 0 to 100 mVdc, -100 mVdc to 1 Vdc, 0 to 10 Vdc 

## **Weight** 

**i/8 Series:** 295 g (0.65 lb) **i/16 Series:** 159 g (0.35 lb) **i/32 Series:** 127 g (0.28 lb) 

_* No CE compliance above 60 Hz._ 

_** Units can be powered safely with 24 Vac power, but no certification for CE/UL are claimed._ 

**3** 



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- [Supplier page](https://es.farnell.com/omega/cni8dh53/temperature-process-controller/dp/3906885)
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