Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 1C31169G02 |
| Host Electronic Module | 1C31166G01 (Link Controller) |
| Interface Standard | RS-485, RS-422 |
| Baud Rate | Up to 115.2 kbps, software configurable |
| Supported Protocols | Modbus RTU, ASCII, custom binary serial protocols |
| Port Isolation | Port-to-backplane galvanic isolation |
| Status Indicators | TX, RX, fault LED per channel |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 0% to 95% RH, non-condensing |
| Power Supply | Supplied from Ovation backplane via 1C31166G01 |
| Typical Power Draw | ≤3 W |
| Form Factor | Ovation standard personality daughter card, mates to LC module |
| Note | 1C31169G01 is the RS232 variant; 1C31169G02 is RS485/422 |
Product Introduction
The 1C31169G02 is a personality daughter card designed exclusively for the Emerson Ovation Link Controller main module 1C31166G01. It adds RS-485 and RS-422 serial communication capability to the Ovation DCS, allowing the control system to exchange data with third-party field devices, remote RTUs, analyzers, motor protection relays and auxiliary controllers.
This module handles serial protocol translation between the Ovation control network and external serial devices. It is widely used for Modbus RTU integration. It is a legacy end-of-life Ovation spare, heavily relied on for maintenance in thermal power, hydroelectric, and process plants that have not completed full system migration. It cannot work independently; it must be paired with the 1C31166G01 electronics module.
1C31169G02
1C31169G02
1C31169G02
1C31169G02
1C31169G02
Application Scenarios & Field Experience
Ovation serial link modules are the primary bridge for connecting non-Ovation intelligent devices without expensive gateway upgrades.
- Power generation: Interface with generator protection relays, vibration monitors, excitation control units.
- Boiler control: Communicate with flue gas analyzers, burner management subsystems and fuel skid controllers.
- Hydro plants: Remote gate position controllers, level RTUs and turbine auxiliary monitors.
- Process industries: Third-party flow computers, weight indicators and local PLC subsystems.
Field note: A coal-fired unit lost Modbus communication to its furnace gas analyzer after the 1C31169G02 personality card failed. The analyzer readings dropped out of the Ovation HMI, forcing operators to use local panel displays. We supplied a matched 1C31169G02, the technician swapped the personality card, loaded the existing serial port configuration, and restored all analyzer tags within 28 minutes without a unit trip.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Part Verification: Confirm marking 1C31169G02, inspect PCB for corrosion, cracked traces, bent pins, and connector damage.
- Compatibility Check: Verify it pairs correctly with 1C31166G01; distinguish from RS232 version 1C31169G01.
- Communication Bench Test: Mount on 1C31166G01, power Ovation rack, loop back RS485 ports, test Modbus RTU master and slave modes.
- LED Diagnostic Test: Validate TX/RX and fault indicator response under active serial traffic.
- ESD Packaging: Static shielding bag, fitted foam, rigid carton with ESD warning labels.
Frequently Asked Questions (FAQ)
Q1: Can 1C31169G02 work by itself? A: No. It is only a personality card. It requires the 1C31166G01 Link Controller electronics module to operate.
Q2: What is the difference between 1C31169G01 and 1C31169G02? A: 1C31169G01 is RS-232 version; 1C31169G02 supports RS-485 and RS-422 multi-drop serial networks.
Q3: Is this module hot-swappable? A: The Ovation Link Controller assembly supports hot swap in compatible racks. During replacement, all serial communication on this link will drop temporarily. Disable dependent alarms or interlocks before service.
Q4: What warranty is provided? A: Standard 12-month warranty. Warranty excludes damage from incorrect wiring, overvoltage on serial lines, ground loop surge, and incompatible firmware revisions.
Q5: Can it run multiple Modbus devices on one RS485 bus? A: Yes, it supports multi-drop Modbus RTU networks. Proper bus termination and shielding are required for long cable runs.
