DC 5V 12V ChannelModbus Rtu UART TTL232 IO Control Module for Arduiuo MEGA Relay PLC Breadboard

Description 1 Working voltage DC 5V 5V version DC 6 24V 12V version 2 Working current 8 13mA3 Two command control modes AT command and MODBUS command4 The maximum delay under the AT command is 9999 seconds and the maximum delay under the MODBUS command is 255 seconds5 AT commands can be input by the serial port super terminal serial assistant MODBUS commands can also be input by Modbus Poll in addition to the serial port super terminal input6 RS232 TTL level input interface 2 54MM Pin 7 8 output control pins 2 54MM Pin 5V TTL level low level default high level output8 Four versions 12V with needle 12V without needle 5V with needle 5V without needle9 Size 30 25 4 2MM10 Weight 4 5g with Pin 3 5g no Pin Application Automated industry PLCMEGA Relay ModuleSmart Home Home Automation Identification system Motor FWBW CCTV Camera PTZ Control Security system LED dot matrix screen RS232 RS485 remote control Command mode selection figure above M0 disconnect is MODBUS command mode M0 Connect is AT command mode Output level selection figure above M1 disconnect is Low level output M1 Connect is High level outputSlave ID Different Sliver ID can be set by command the maximum number is 247Under the MODBUS command mode the slave ID must be correct command Description Please refer to TL19A08 8 channel TTL output module commamd Typical applications 1 AT command mode M0 Connect in this mode can be through the serial HyperTerminal serial assi