Expanding capabilities of Motorola ACE3600 RTU Mixed I/O Module, Model SIB-V245/V453 Mixed I/O Interface Board provides 16 discrete inputs which can be separately set to monitor 10–30 Vac/Vdc or 120 Vac; 4 discrete outputs as Form C pluggable relays; and 4 bipolar analog inputs, which provide test points that allow monitoring of 4 current signal inputs without breaking current loop. Transient surge arrestors on analog input can be replaced in field with screwdriver.
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