Emerson 1C31179G01 Ovation Remote I/O Master Unit
The Emerson 1C31179G01, also cataloged as the 1C31179G01 Remote I/O Master Unit, operates as a dedicated hardware component for remote I/O subsystem communication management within Ovation Distributed Control System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1C31179G01 |
| Brand | Emerson |
| Origin | USA |
| Weight | 0.50 kg |
| Dimensions | Standard Ovation I/O module footprint |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard Ovation backplane power draw |
| Functional Category | Remote I/O Master Unit |
| Network Capability | High-speed industrial protocol communication |
| Primary Interfaces | Ovation Controller Bus / Remote I/O Communication Port |
| Mount Type | Ovation I/O Chassis Base |
4-20 mA HART Loop Protocol & Channel-to-Channel Isolation
The Emerson 1C31179G01 master unit coordinates high-speed telemetry between the central Ovation controller and distributed remote I/O subsystems. When routing data from remote field instrumentation—including 4-20 mA HART loop protocol transmitters—the module maintains deterministic polling cycles to prevent packet loss across extended physical distances. Galvanic separation and integrated channel-to-channel isolation protect the controller bus against field-side electrical surges, noise coupling, and potential ground loop interference originating from remote wiring drops.
Frequently Asked Questions
Q: How does the 1C31179G01 master unit maintain backplane signal integrity during remote communication bursts?
A: The board incorporates onboard line driver buffers and isolated bus interface transformers. These components decouple the main Ovation controller backplane from transmission transients and common-mode noise along extended remote I/O cable runs.
Q: Can the 1C31179G01 be removed from the chassis without turning off power to connected remote I/O drops?
A: Removing the 1C31179G01 interrupts controller communication to all associated remote drops. You must place affected control loops into manual or safe mode before extracting the master module from the live backplane.
Field Installation Guidelines
Mount the 1C31179G01 module firmly into the specified base slot within the Ovation chassis. Push the card in until the backplane contacts engage fully, then tighten both mounting screws to resist industrial mechanical vibration.
Route all remote communication cables through dedicated wire raceways away from heavy AC power conductors. Ensure that cable shield drain wires terminate at the master cabinet earth ground bus bar to optimize electromagnetic suppression along long-distance signal links.
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