Astra-Prime-8552 RS-485 addressable interface module is designed for operation as part of the Astra-Prime system. It provides the organisation of a ring interface RS-485 in the system.Features of the module:- the design of the module provides for installation in the case of devices Astra-Prime in the slot for the expansion module;- provides a ring / beam configuration of the interface;- provides control of the integrity of the ring;- has a built-in isolator of the communication line in case of short circuit;- has a choice of slave / master mode;- module power supply from the device, which is installed
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