RS485 MODBUS RTU Serial Port Multi-Function Relay Module Ultra-Small PLC Controller 12V 1 Channel

Conoce más detalles

【Six Working Modes】: The relay module includes six working modes: open, close, micro-motion, self-locking, interlocking and delay. 【Command Input】: AT command can be input through serial hyper terminal (serial assistant); MODBUS command can be input through serial hyper terminal (serial assistant) or "Modbus polling" to input MODBUS command. 【Two Command Control Modes】: The relay module includes AT command and MODBUS command control modes. Under the MODBUS command mode, it can support up to 32 devices in parallel. 【Maximum Delay Time】: Under the AT command, the maximum delay is 9 seconds; under the MODBUS command, the maximum delay is 255 seconds. 【After-Sales Service】:We strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel to us at any time.