2X 16ch Multifunction RS485 RS232(TTL) PLC Modbus Rtu Module IO Control Switch Board for 5V 12V 24V Relay Board Motor LED(Core Board A)

Packing list: 2Pcs 5V 16 Channel Multifunction RS485 Control Board for 5-24V 1-16CH Relay Module (select the version you need)

Description:

1: Operating Voltage : DC 5V
2: Operating Current : 11-15MA
3: ///'///'open///'///' ///'///'close///'///' ///'///'Momentary///'///' ///'///'Self-locking///'///' ///'///'Interlock///'///' ///'///'Delay///'///' 6 Commands
4: Two instruction-control mode : AT command and MODBUS command
5: Under the AT command ,the maximum delay is 9999 seconds

Under the MODBUS command ,the maximum delay is 255 seconds

6 AT commands can be made serial HyperTerminal (serial assistant) Enter;

MODBUS commands can be made serial HyperTerminal (serial assistant) OR ///'///'Modbus Poll///'///' Enter;

7 Automatic recognition of two kinds of commamds,no need to switch..

7 Under the MODBUS command mode, it can support up to 247 devices in parallel

8 With RS485 and RS232 (TTL) dual bus interface

9 Output control pins 16, 5V TTL level, low level (default) / high level output

10 Size: 40 * 30 * 22mm(A version); 40 * 30 * 11.5mm(B version)

11 Weight: 9.2g(A version); 6.2g(B version);

Instruction manual Please ask us after the purchase

Note: The relay board needs to be purchased separately or prepared by yourself