3pcs 6-24V 8CH Channel RS485 Module Modbus RTU Protocol AT Command Multi-function Relay PLC Control Board

Manual and other files Click here to openFeatures Operating voltage DC 6 24V 12V version Working current 10 15MAAT command and MODBUS command two command control modesThe maximum delay is 9999 seconds under the AT command and the maximum delay is 255 seconds under the MODBUS command The AT command can be input by the serial port super terminal serial port assistant in addition to the serial port super terminal input the MODBUS command can also be input with Modbus Poll Up to 247 devices can be used in parallel in MODBUS command modeWith RS485 and RS232 TTL dual bus interface8 output control pins 12V TTL level low level default high level outputSize 45 30 15mmWeight 10 gramsPackage includes 3 x 8CH Channel RS485 ModuleWiring the relay module and downloader does not includes