Communication module with EIA-232 and EIA-485 interfaces, modu721

Part of the SAUTER EY-modulo 5 system family

Plug-in element for extending the modu524/525 automation station (AS)

One or two COM modules per AS

Connection to non-SAUTER systems (PLC, chillers, meters etc.)

Connection for point-to-point protocols with EIA-232 interface

Connection for field bus protocols based on EIA-485

2-wire EIA-485 (half-duplex)

Galvanic isolation up to 300 V

Jumper for EIA-485 bus voltage, bus termination and connection for galvanic isolation

M-Bus and further integration of third-party products with the AS for integrated control and optimised regulation and the option to use BACnet/IP communication with the management level.

Direct labelling on the front