
The PR 9116 Universal Converter is a high-performance signal conditioning device for industrial process control and automation. The 9116, from PR electronics, is ideal for converting and scaling a wide range of inputs including RTD, thermocouple (TC), ohm, potentiometer, mA, as well as V signals. Furthermore, this universal converter delivers precise and reliable measurement conversion for temperature, voltage, and resistance inputs. It also provides a stable supply for 2-wire transmitters with active or passive mA outputs and integrated relay outputs for flexible control applications.
- Configuration and monitoring by way of detachable display front (PR 4500 Series) for process calibration in addition to signal and relay simulation.
- Advanced relay configuration, for example, setpoint, window, delay, sensor error indication, and power monitoring.
- Copying of the configuration from one device to others of the same type via the display front.
- TC inputs with internal CJC or external CJC for higher accuracy.
- Active / passive mA output via the same two terminals.
- Models in the 9116 Series are intrinsically safe and feature various certifications for use in hazardous areas as well as for marine applications.
- Model PR 9116A
- Suitable for use in safe areas and can also mount in Zone 2 / Class I, Div 2, Groups A, B, C, D.
- Suitable for use in safe areas and can also mount in Zone 2 / Class I, Div 2, Groups A, B, C, D.
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Model PR 9116B
- Mounts in Zone 2 / Class I, Div 2; it can also receive signals from Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G.
- Reduced Uo Ex data < 8.3 V for active input signals.
- Mounts in Zone 2 / Class I, Div 2; it can also receive signals from Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G.
PR 9116 Universal Converter from PR electronics
The PR 9116 features robust galvanic isolation between input, output, and power as well as compact DIN-rail mounting compatibility. As a result, the PR 9116 Universal Converter is ideal for reliable signal processing in automation, energy, chemical, oil & gas, and manufacturing systems. Built for durability and accuracy, this versatile converter enhances control system performance while minimizing downtime and maintenance needs.
- Conversion and scaling of temperature, voltage, potentiometer, as well as linear resistance signals.
- Power supply and signal isolator for 2-wire transmitters.
- Monitoring of error events and cable breakage via the individual status relay and/or a collective electronic signal via the power rail.
- The PR 9116 Series has been designed, developed, and certified for use in SIL 2 applications according to the requirements of IEC 61508.
- Failure rates for the 9116 Series correspond to Performance Level "d" according to ISO-13849.
Easy Mounting, Installation, and Programming
Featuring certification for SIL 2 safety integrity, this universal converter meets stringent safety standards necessary in modern industrial environments. Easy configuration and monitoring are available via a detachable front display, thus allowing process calibration, signal simulation, and advanced relay logic setup.
- 1 green and 1 red front LED indicate operation status and malfunction.
- 1 yellow LED indicates relay status.
- 2.6 kVAC galvanic isolation between input, output, and supply.
- The PR 9116 Universal Converter can mount vertically or horizontally without distance between neighboring units.

Models of the PR 9116 Universal Converter
| Model ID | Location | Max Loop Voltage | Additional Approvals |
|---|---|---|---|
| PR 9116A1 | Safe Area; Zone 2 / Class I, Div 2, Groups A, B, C, D | 1: Uo 28 VDC | – |
| PR 9116A1-U9 | Safe Area; Zone 2 / Class I, Div 2, Groups A, B, C, D | 1: Uo 28 VDC | -U9: U9/UL913 Approval |
| PR 9116A2 | Safe Area; Zone 2 / Class I, Div 2, Groups A, B, C, D | 2: Uo 21.4 VDC | – |
| PR 9116A2-U9 | Safe Area; Zone 2 / Class I, Div 2, Groups A, B, C, D | 2: Uo 21.4 VDC | -U9: U9/UL913 Approval |
| PR 9116B1 | Mounting: Zone 2 / Class I, Div 2 Receive: Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G |
1: Uo 28 VDC | – |
| PR 9116B1-U9 | Mounting: Zone 2 / Class I, Div 2 Receive: Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G |
1: Uo 28 VDC | -U9: U9/UL913 Approval |
| PR 9116B2 | Mounting: Zone 2 / Class I, Div 2 Receive: Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G |
2: Uo 21.4 VDC | – |
| PR 9116B2-U9 | Mounting: Zone 2 / Class I, Div 2 Receive: Zone 0, 1, 2, 20, 21, 22, M1 / Class I, II, III, Div 1, Groups A, B, C, D, E, F, G |
2: Uo 21.4 VDC | -U9: U9/UL913 Approval |
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