ATEX & IECEx Signal Converter + Relay Controller

Model : PR 9116

Brand: PR Electronics

Isolated barrier and universal converter for harsh and hazardous environments.

  • Thermocouple (TC) input type B, E, J, K, L, N, R, S, T, U
  • RTD input type Pt, Ni
  • 2-wire transmitter input
  • Ohm and potentiometer input
  • Active / passive mA output via the same two terminals
  • Can be installed on power rail (PR type 9400) or supplied separately
  • 2.6kVAC galvanic isolation
  • SIL 2-certified via Full Assessment

Download the manuals and Get an Offer for you desired Part Number

1,814 AED Get an Offer


Isolated Barrier, Relay Controller, Signal Converter, Temperature Transducer, Transmitter


PR Electronics

Number of Inputs


Input Type

DC Current, DC Voltage, Linear Resistance, Potentiometer, RTD, Thermocouple

Number of Outputs


Output Type

DC Current, Relay

Transmission Rate

2400 to 115200 bit/s


4500 series devices


< ±0.1% of span


ATEX, DNV, EAC Ex, FM, IECEx, INMETRO, NEPSI, SIL2 Full Assessment IEC 61508, SIL2, Hardware Assessment, UL, UL 61010

Power Supply

20…30 VDC


2.6 kVAC

Operating Temperature

-20 to +60°C

Temperature Coefficient

< ±0.01% of span /°C

Protection Degree

IP 20


109×23.5×104 mm



Other product features
Barrier Version

21.4 VDC, 28 VDC


180 g


175 × 150 × 35 mm

Advanced features

  • Configuration and monitoring through detachable display front (PR 45xx); process calibration, signal, and relay simulation.
  • Advanced relay configuration, e.g., setpoint, window, delay, sensor error indication and power monitoring.
  • Copying the configuration from one device to others of the same type via PR 45xx.
  • Reduced Uo Ex data < 8.3 V for active input signals.
  • TC inputs with internal CJC or external CJC for higher accuracy.
  • Active/passive mA output via the same two terminals.


  • 9116B can be mounted in the safe area, and in zone 2 / cl. 1 div. 2 and receive signals from zone 0, 1, 2, and zone 20, 21, 22, including M1 / Class I/II/III, Div. 1, Gr. A-G.
  • Conversion and scaling of temperature, voltage, potentiometer, and linear resistance signals.
  • Power supply and signal isolator for 2-wire transmitters.
  • Monitoring error events and cable breakage via the individual status relay and/or a collective electronic signal via the power rail.
  • The 9116 has been designed, developed, and certified for use in SIL 2 applications according to the requirements of IEC 61508.
  • Suitable for use in systems up to Performance Level “d” according to ISO-13849.

Technical characteristics

  • 1 green and 1 red front LED to indicate operation status and malfunction. 1 yellow LED indicates relay status.
  • 2.6 kVAC galvanic isolation between input, output, and supply.


  • The devices can be mounted vertically or horizontally without distance between neighboring units.

Source: PR9116B Official Page

Product Documents:


PR Electronics Solutions:

Be the first to review “ATEX & IECEx Signal Converter + Relay Controller”

Your email address will not be published. Required fields are marked *

There are no reviews yet.

You may also like…