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USB Relay Controller includes 24 relays and digital inputs
September 6, 2010 - Model IA-3127-U relay controller features USB communication port capable of up to 230 Kbps. Expandable through its RS-232 buffered port, watchdog-protected controller also has noise immunity circuit and is DIN-rail ready, and address, communication speed, and default relay state can be set by software. Unit can operate on TTL level or operate on standard industrial or aviation level, and operates on positive or GND signals.