Emerson Ovation 1C31166G02 Serial Link Controller – Product Description

Overview

The Emerson Ovation 1C31166G02 is a robust Serial Link Controller designed for reliable RS-485 communication inside mission-critical Ovation DCS platforms. It supports high-integrity data exchange between field instruments, PLCs, protection relays, and subsystem controllers across complex industrial networks. Moreover, its industrial-grade design ensures stable operation in demanding environments with continuous communication loads. The module integrates easily into existing Ovation racks, and engineers value its consistent performance during plant upgrades and modernization projects.

Technical Specifications

Product Information

• Model: 1C31166G02

• Type: LC EMOD Serial Link Controller

• Manufacturer: Emerson (USA)

• Product Category: PLCs / Machine Control

• Subcategory: PLC Module / Rack

• Weight: 0.45 kg (0.70 lbs)

• Shipping Weight: 318 g

• Condition: In Stock

• Origin: USA

Communication Interface

• Protocol: RS-485, 4-wire

• Standard: Modbus RTU

• Compatibility: EMOD + PMOD architectures

• CPU Platform: R1120

Physical Details

• Dimensions: 45 × 130 × 160 mm

• Hot-swappable: Yes

• Redundancy Support: Yes

Additional Notes

• Status: Discontinued by Manufacturer

• Third-party suppliers provide extended support and replacement units

FAQ

Q1: Is the Ovation 1C31166G02 compatible with older Ovation DCS versions?
Yes. It integrates smoothly with legacy Ovation racks and maintains stable performance across mixed-generation systems.

Q2: Can the controller communicate with third-party PLCs?
Yes. It supports Modbus RTU, enabling communication with many non-Ovation devices that use the same protocol.

Q3: Does the 1C31166G02 require system shutdown for replacement?
No. Its hot-swappable design lets engineers replace the module during normal operation.

Q4: Is the module still manufactured by Emerson?
No. It has been discontinued, but reliable replacement inventory and service support remain available.

Q5: What industries benefit most from this controller?
Power generation, chemical processing, steel manufacturing, water treatment, and oil-and-gas operations frequently rely on this model.