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Description
The Emerson Ovation 7379A70G03 is a specialized M-BUS terminator card designed for integration within the Ovation distributed control system (DCS). This component plays a vital role in maintaining the electrical integrity of the M-BUS communication network by providing necessary impedance matching at the end of the bus segment. By effectively terminating the communication link, the 7379A70G03 suppresses signal reflections and prevents data corruption caused by standing waves, ensuring reliable and deterministic data exchange between controllers and remote I/O nodes in demanding industrial environments.
Features
- Designed specifically for Emerson Ovation M-BUS communication architectures.
- Passive electrical design requiring no external power supply for operation.
- Ensures consistent bus impedance to mitigate signal degradation and noise.
- Rugged construction suitable for deployment in power generation and heavy industrial control cabinets.
- Facilitates high-integrity data transmission by preventing signal reflections at bus extremities.
Applications
This terminator card is essential for Ovation control systems where M-BUS communication is utilized to connect field I/O modules to the main controller. It is typically deployed at the physical end of the communication trunk to stabilize the bus in power plants, water treatment facilities, and large-scale process automation systems.
Technical Specifications
| Model | 7379A70G03 |
| Brand | Emerson Ovation |
| Function | M-BUS Signal Termination |
| Operating Temperature | 0 to 60 degC |
| Power Requirements | Passive (No external power) |
| Mounting | Direct interface |
Installation Guidelines
- Ensure the Ovation system is powered down before installing or removing any communication termination hardware.
- The 7379A70G03 should be seated firmly onto the designated M-BUS terminal interface to ensure proper electrical contact.
- Maintain proper ESD handling procedures when handling the module to prevent damage to sensitive electronic components.
- Verify that the terminator is placed at the correct physical end-point of the M-BUS segment as specified in the system communication topology documentation.
- Ensure that the communication cable shielding is properly grounded at the designated points to complement the impedance matching provided by the terminator.
FAQ
What is the primary function of the 7379A70G03?
The 7379A70G03 acts as a passive terminator for the Ovation M-BUS. Its purpose is to match the impedance of the communication line to prevent signal reflections that can lead to data errors or communication loss on the bus.
Does this module require an external power supply?
No, the 7379A70G03 is a passive device and does not require external power for its operation.
Where should this module be installed?
This module is designed to be installed at the physical end-point of the M-BUS communication link within the Ovation I/O architecture.
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