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2 Working current: 8-13MA
3 Two command control modes: AT command and MODBUS command
4 The maximum delay under the AT command is 9999 seconds, and the maximum delay under the MODBUS command is 255 seconds
5 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 input
6 RS232 (TTL level) input interface
7 8 output control pins, 5V TTL level, low level (default)/high level output
8 Four versions: 12V with needle/12V without needle/5V with needle/5V without needle
9 Size: 30*25.4*2MM
10 Weight: 4.5g with Pin, 3.5g no Pin
Relay Module
Smart Home,Home Automation ;
Identification system;
Motor FW & BW;
CCTV Camera PTZ Control;
Security system;
LED dot matrix screen;
RS232 RS485 remote control;
Output level selection : ( figure above) M1 disconnect is Low level output. M1 Connect is Hight level output
Slave ID: Different ''Sliver ID'' can be set by command, the maximum number is 247
Under the MODBUS command mode,the slave ID must be correct
command Description, Please refer to '' TL19A08 8-channel TTL output module commamd''
2 MODBUS command mode (M0 disconnect), you can control a variety of ways: Serial Hyper Terminal Control (need to manually add the CRC), Modbus Poll software control (software automatically add the CRC), PLC or MCU process control
It can control 1-8 channels 5V/6V/9V/12V/24V Relay Module
With RS485 interface and RS232 (TTL) interface
12V 5V version relay wiring diagram
Modbus Poll
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