



Reliable Discrete Switching for Industrial Control
The Ovation 1C31219G02 Relay Output Module is a rugged and dependable field output device designed for use within the Emerson Ovation Distributed Control System (DCS). Engineered for robust performance in industrial environments, this module provides electrically isolated relay‑style outputs, making it ideal for controlling discrete field equipment where safety and signal integrity are critical.
Its proven mechanical relay design ensures clear on/off switching, easy diagnostics, and predictable behavior—even in demanding process control applications. Whether used for actuator activation, alarm control, or general equipment outputs, the 1C31219G02 delivers consistent performance with straightforward integration into Ovation rack systems.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Emerson Ovation |
| Model | 1C31219G02 |
| Module Type | Relay Output Module |
| Output Type | Electromechanical relay contacts |
| Number of Channels | 8 relay outputs |
| Contact Rating | Typically up to 5 A @ 240 VAC / 30 VDC (resistive load) |
| Isolation | Galvanic isolation per output |
| Backplane Interface | Standard Ovation rack connector |
| Power Source | Rack backplane power |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | –40 to 70 °C |
| Humidity | 5 % to 95 % non‑condensing |
| Dimensions (HxWxD) | Approx. 125 × 35 × 160 mm |
| Weight | Approx. 0.26 kg |
| Mounting | Rack slot installation |
Applications
The 1C31219G02 Relay Output Module is ideal for industrial systems that require reliable discrete control with electrical isolation:
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Actuator and solenoid control in process environments
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Alarm and status indicator circuits
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Control of pumps, fans, and small motor starters (with proper external hardware)
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Interlock and safety logic outputs
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General on/off control for auxiliary field devices
Technical FAQs
1. How many output channels are provided?
This module offers 8 discrete relay output channels.
2. What type of loads can the relay outputs drive?
Resistive loads up to typical ratings; inductive loads require appropriate suppression and external protection.
3. What is the typical contact rating?
Up to approximately 5 A at 240 VAC or 30 VDC on resistive loads.
4. Does the module have electrical isolation?
Yes, each relay output is galvanically isolated.
5. Is an external power supply required?
No, power is supplied directly from the rack backplane.
6. Can the module be hot‑swapped?
Hot‑swap capability depends on system and rack configuration.
7. What is the operating temperature range?
0 °C to 55 °C.
8. How is field wiring terminated?
Typically via front‑mounted screw terminal blocks.
9. Is this module compatible with other DCS/PLC platforms?
Yes, when integrated through Ovation system logic and I/O networks.
10. What maintenance considerations are typical?
Periodic inspection of relay contacts and proper load protection is recommended for optimal lifespan.