The following is some information about Honeywell 05701-A-0312 Modbus Interface Module:

Function Overview: It is an interface module in the System 57 series used to implement the MODBUS communication function, providing convenience for digital communication between the 57 system control system and the external computer system.

Communication protocol support: Supports the functions of MODBUS protocol 02, 03, 04, 06 and 16. It can be used to read configuration, alarm status and other information from any channel on the rack, and perform calibration and other procedures.

Compatible system: Compatible with 5701, 5704 and 5704F control cards.

Electrical standards: Supports RS485 and RS422 electrical standards. Among them, the RS422 allows for the connection of a single driver and up to 10 receiver nodes on the highway, with a maximum operating distance of 1.2 kilometers (3,900 feet).

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