Opto 22 Wiring Diagram. Wiring diagrams for standard digital modules and racks. For a more general discussion of using power supplies with opto 22 systems see opto 22 form 1271 a technical note.
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Building automation typically requires controlling heating and cooling water flow in the hvac system.
Building automation typically requires controlling heating and cooling water flow in the hvac system. This document lists all opto 22 part numbers that have the canadian standards association csa approval. Opto 22 relay wiring diagram. All power series relays feature 4000 volts of optical isolation and have a high prv rating.