USR-IO424T-GR 4 Channel GPRS GSM Network IO Controller 4 Way Temperature Detection Modbus TCP/RTU Supports 4 DI/4 DO/2AI/1PT
USR-IO424T-GR 4 Channel GPRS GSM Network IO Controller 4 Way Temperature Detection Modbus TCP/RTU Supports 4 DI/4 DO/2AI/1PT