The Emerson Ovation 7379A70G03 M-BUS Terminator Card is a specialized component designed for the Ovation distributed control system architecture. This module provides essential impedance matching at the extremities of the M-BUS communication network. By properly terminating the bus, the 7379A70G03 prevents signal reflections and standing waves that can lead to data corruption, bit errors, and communication instability in demanding industrial environments.
Features
Provides reliable impedance matching for the Ovation M-BUS communication network.
Passive design requiring no external power supply for operation.
Rugged construction suitable for installation in power generation and heavy industrial control cabinets.
Ensures deterministic data transmission by suppressing signal noise and reflections.
Direct interface design for seamless integration into existing M-BUS terminal assemblies.
Applications
This terminator card is primarily utilized in Emerson Ovation DCS configurations where M-BUS communication is employed. Typical applications include the stabilization of serial I/O communication links in power plants, water treatment facilities, and large-scale process automation systems where maintaining signal integrity across long cable runs is critical for system reliability.
Technical Specifications
Model
7379A70G03
Brand
Emerson Ovation
Function
M-BUS Signal Termination
Power Requirements
Passive (No external power)
Operating Temperature
0 to 60 degC
Mounting
Direct interface
Installation Guidelines
Ensure the system is powered down before installing or removing any interface modules to prevent electrical damage.
Verify that the card is correctly seated in the designated M-BUS termination slot to ensure proper contact and impedance matching.
Handle the module using standard ESD (Electrostatic Discharge) protection practices to prevent damage to internal components.
Route communication cables away from high-voltage power lines and sources of high electromagnetic interference (EMI) to maintain signal quality.
Regularly inspect the connection points for debris or oxidation to ensure consistent electrical contact.
FAQ
Does the 7379A70G03 require an external power source?
No, this is a passive termination card. It does not require any active power supply for its operation within the Ovation M-BUS network.
What is the primary function of this module?
The primary function is to provide impedance matching at the end of an M-BUS communication segment, which helps eliminate signal reflections and ensures the stability of data transmission between I/O nodes and the controller.
