Overview
The OVATION 1C31166G02 is the RS-485/RS-422 version of the serial-link controller module used in OVATION DCS systems. It enables long-distance serial communication between the OVATION controller and external devices such as PLCs, remote I/O units, or other automation equipment.
General Information
Part Number: 1C31166G02
Manufacturer: Emerson (Ovation / Westinghouse)
Series: Ovation Link Controller
Type: Serial Link Controller Module (Personality Module – RS-485 / RS-422)
Mounting: Installed in OVATION I/O cabinet backplane, paired with the main electronics module 1C31166G01
Function: Provides one serial communication port — suitable for RS-485 / RS-422 — for external device connection and data exchange.
Communication & Interface
Supported Protocols: RS-485, RS-422 serial communication standards
Ports: One serial port (differential pair) for node connection
Role: Acts as a communication bridge, enabling the OVATION controller to communicate with third-party devices or remote I/O systems over longer distances than RS-232 allows
Diagnostics: On-board LED indicators for link status and fault detection
Configuration: Uses OVATION backplane bus and wiring via base unit terminal block for field connections
Environmental & Compatibility
Operating Temperature: Suitable for standard industrial DCS cabinet environments
Humidity: Supports operation under non-condensing humidity conditions typical in control rooms
Installation Environment: Enclosed control cabinet, with standard industrial protection (IP20 or equivalent)
Compatibility: Works together with 1C31166G01 electronics module and OVATION I/O backplane; protocol handling via OVATION controller software
Dimensions & Weight
Dimensions (L × W × H): 229 × 130 × 64 mm
Weight: ~ 1.5 kg
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