N1200-3R-485 Self Adaptive PID Controller with RS-485, 3 Relays, 240 V

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  • Weight
    0.25 kg
  • SKU

1/16 DIN Panel mount self adaptive PID controller. Triple relay outputs, RS-485 and mini USB interface. 100 to 240 VAC powered.

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The N1200 is an advanced self-adaptive PID controller with an algorithm that constantly monitors the process performance and adjusts PID settings in order to always obtain the best possible control response. A single model is able to accept most industrial sensors and signals and provides all output types required to control different processes. All controller parameters can be accessed from the front panel without performing any hardware change.

The multi-purpose inputs and outputs can be combined to provide tremendous versatility with extremely high accuracy in the most demanding applications. The N1200 is also available in a 24 V version and a version without RS-485.

The RS-485 interface allows you to communicate with the controller from a PLC, HMI or your computer with software like our ViewPID or ISEE-Modbus.


  • Mini USB interface for easy configuration/monitoring via QuickTune software
  • Self adaptive control algorithm adjusts PID parameters as the system changes
  • Remote set point analog input

Power supply: 100 to 240 VAC/DC ±10%

Power consumption: 9 VA

Dual LED display: Red upper display for PV, 10 mm high; green lower display for SV, 8 mm high.

Sensor input: J, K, N, R, T, S, B, E thermocouples, Pt100 RTD, 0 to 20 mA, 4 to 20 mA, 0 to 50 mV, 0 to 5 VDC and 0 to 10 VDC

Remote SP input: 4 to 20 mA


  • JKTE T/C: 0.25% of span ±1ºC 
  • NRSB T/C: 0.25% of span ±3ºC 
  • Pt100: 0.2% of span 
  • mA, mV, V: 0.2% of span 

Displayed resolution: 12,000 levels 

Internal resolution: 15 bits (32,767 levels) 

Communication port: RS-485 port for Modbus RTU

Outputs: 3 relays, SSR pulse / analog output 

Output 1: SPST Relay 1.5 A, 240 VAC 

Output 2: SPST Relay 1.5 A, 240 VAC 

Output 3: SPST Relay 3.0 A, 240 VAC 

Output 4: 10 VDC pulse or 0/4 to 20 mA

Operating temperature: 5 to 50 °C

Operating humidity: 30 to 80 %RH

Ingress protection (front): IP65 when installed

Ingress protection (rear): IP30

Panel cutout: 45.5 x 45.5 mm

Dimension: 48 x 48 x 110 mm

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.