Product Overview​

The Emerson 1C31166G01 is a high-reliability serial link controller designed exclusively for Emerson’s Ovation Distributed Control System(DCS),serving as a critical communication bridge between Ovation controllers and a wide range of serial-connected industrial devices.This module enables seamless data exchange between the DCS and external equipment such as PLCs,RTUs,smart sensors,and remote terminals,translating between the Ovation DCS protocol and industry-standard serial protocols to ensure real-time monitoring and control of distributed industrial processes.​

As a core component of Ovation-based automation systems,the Emerson 1C31166G01 supports multiple serial protocols(including Modbus RTU,DNP3,and PROFIBUS DP)and features dual communication ports(RS-232/RS-485)for flexible device connectivity.Its industrial-grade design withstands extreme temperatures(-40°C to+70°C)and electromagnetic interference,making the Emerson 1C31166G01 ideal for harsh environments in power generation,chemical processing,and water treatment.By enabling integration of legacy and third-party devices into the Ovation DCS,the Emerson 1C31166G01 eliminates communication silos,reduces system complexity,and enhances overall operational efficiency.​

Technical Specifications​

​

Parameter Name​

Parameter Value​

Product Model​

Emerson 1C31166G01​

Manufacturer​

Emerson Automation Solutions​

Product Type​

Serial Link Controller for Ovation DCS​

Communication Ports​

2 ports(configurable as RS-232 or RS-485)​

Supported Protocols​

Modbus RTU(Master/Slave),DNP3.0,PROFIBUS DP,ASCII​

Data Transfer Rate​

RS-232:Up to 115.2 kbps;RS-485:Up to 3.125 Mbps​

Compatibility​

Emerson Ovation DCS(all generations);third-party PLCs/RTUs​

Operating Voltage​

5V DC(from Ovation DCS backplane),0.8A max​

Physical Dimensions​

216mm(W)×330mm(H)×133mm(D)​

Weight​

6.8 kg​

Installation​

Ovation DCS rack mount(1 slot,compatible with Ovation I/O chassis)​

Operating Environment​

-40°C to+70°C(temperature);5%-95%RH(non-condensing)​

Storage Environment​

-55°C to+85°C;5%-95%RH(non-condensing)​

Protection Rating​

IP20(module);IP40(when installed in Ovation chassis)​

Certifications​

IEC 61131-2,UL 508,CSA C22.2 No.14,ATEX Zone 2(hazardous locations)​

Key Features​

Hot-swappable,built-in diagnostic LEDs,surge protection(2kV ESD)​

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Main Features and Advantages​

Multi-protocol flexibility:The Emerson 1C31166G01 supports a suite of industry-standard serial protocols,eliminating the need for multiple dedicated communication modules.A power plant uses the module to connect Ovation DCS to 12 Modbus RTU-enabled pressure transmitters and 4 DNP3-compliant RTUs,all managed via a single Emerson 1C31166G01.This flexibility reduces module inventory by 60%and simplifies system wiring compared to protocol-specific alternatives.​

High-speed,reliable data transfer:With data rates up to 3.125 Mbps(RS-485),the Emerson 1C31166G01 ensures real-time data exchange critical for time-sensitive processes.In a chemical plant’s batch reactor control system,the module transmits valve position and temperature data to the Ovation DCS with<10ms latency,enabling closed-loop control adjustments within 50ms of process deviations—2x faster than older serial modules.Its error-checking mechanisms also reduce data corruption rates to<0.001%,ensuring process data integrity.​

Industrial-grade durability:Rated for-40°C to+70°C operation and 2kV ESD protection,the Emerson 1C31166G01 thrives in harsh industrial environments.A Siberian oil refinery uses the module in an outdoor RTU cabinet,where it operates reliably at-35°C without performance degradation.Its rugged construction also withstands vibration(up to 5g)in power plant turbine halls,outperforming consumer-grade communication cards that fail within 6 months.​

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