This document is a user manual for the MVI56-MCM ControlLogix platform Modbus communication module. The manual provides information on the hardware knowledge and field application methods required for successful use of the module. It also includes the structure framework of the module and methods for setting up data transfer. The manual also covers the module setup and modification.
This manual provides detailed information for the MVI56-MCM Modbus communication module that connects Allen‑Bradley ControlLogix processors to Modbus‑compatible devices. It covers safety precautions, module concepts, and the overall data flow between the processor, the module, and the Modbus network.
Key sections include module installation, configuration of ports and parameters, sample ladder‑logic programs, diagnostics, cable connections, and full product specifications. Appendices list database definitions, status data, command control and hardware details. This manual is written in Chinese.
| Current load | 800 mA @ 5 V (from backplane) |
|---|---|
| Operating temperature | 0 °C to 60 °C (32 °F to 140 °F) |
| Storage temperature | -40 °C to 85 °C |
| Relative humidity | 5 %–95 % (non‑condensing) |
| Register capacity | 5,000 registers |
| Modbus ports | Two RJ45 connectors supporting RS‑232, RS‑422, RS‑485 |
The module draws up to 800 mA at 5 V from the backplane.
It operates from 0 °C to 60 °C (32 °F to 140 °F).
The module provides 5,000 registers for data exchange.
It has two RJ45 connectors that support RS‑232, RS‑422, and RS‑485.