• Emerson 1C31169G02
  • Emerson 1C31169G02
  • Emerson 1C31169G02
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Emerson 1C31169G02 Ovation Serial Link Controller Module

Emerson 1C31169G02 Ovation Serial Link Controller Module

The Emerson 1C31169G02 is a personality module designed for the Ovation Serial Link Controller within the Emerson Ovation Distributed Control System (DCS). This module serves as a critical interface component,...

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SKU: 1C31169G02
Vendor: Emerson
Category: Serial Link Controller Module
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The Emerson 1C31169G02 is a personality module designed for the Ovation Serial Link Controller within the Emerson Ovation Distributed Control System (DCS). This module serves as a critical interface component, plugging into the 1C31166G01 base unit to facilitate RS-485/RS-422 serial communication with external third-party devices.

Features

  • Supports RS-485/RS-422 four-wire serial communication protocols.
  • Integrated J1 RS-232 port for programming and local PC interfacing.
  • Integrated J2 RS-485 applications port for field device connectivity.
  • Software-controlled tri-state enable input (TX-ENA) for precise transmitter management.
  • User-selectable resistor terminations for impedance matching.
  • Group Two personality module classification.

Applications

  • Power Generation: Traditional and renewable energy control systems.
  • Water and Wastewater Treatment: Environmental process management.
  • Oil and Gas: Field process control and monitoring.
  • Industrial Automation: Manufacturing and paper processing control.

Technical Specifications

Model 1C31169G02
Processor 80C186EC 16-bit
Program RAM 640 Kbytes
Dual-Port RAM 4 Kwords
Input Voltage 24 VDC
Power Consumption 3 W (typical) / 4 W (maximum)
Serial Ports 2 (J1 RS-232, J2 RS-485/RS-422)

Installation Guidelines

  • Ensure the system power is disconnected before installing or removing the module from the base unit.
  • Configure onboard hardware jumpers to match the required communication mode (RS-422 or RS-485).
  • Enable termination resistors if the module is positioned at the end of the communication line.
  • For two-wire half-duplex setups, verify that the base unit terminal block inputs are correctly bridged to the output terminals (RX- to TX-, RX+ to TX+).
  • Ensure the application program correctly asserts the TX-ENA signal (Bit 1 of the UART Modem Control Register) to enable data transmission.
  • Handle with standard ESD precautions to prevent damage to sensitive electronic components.

FAQ

What is the primary function of the 1C31169G02?

The 1C31169G02 acts as a serial link controller to establish reliable data communication between the Ovation DCS and external industrial subsystems using RS-422 or RS-485 interfaces.

What is the maximum communication distance?

This module is designed for serial communication over distances up to 4,000 feet (1,220 meters) when using appropriate cabling and termination.

How is the J2 port transmitter controlled?

The J2 port transmitter utilizes a software-controlled tri-state enable (TX-ENA) input. The application program must assert this signal (logic high) via the UART Modem Control Register to transmit data.