8 Description of terminals
The view of the PCB is shown in the figure below.
Name
Description
Power
Power connector 12-24VDC
OUT 1
Relay output 1
OUT 2
Relay output 2
IN 1
Input 1
IN 2
Input 2
USB
USB port – module configuration
RS485
Connector RS485 MODBUS
Boot
Shortening the BOOT pins when power is applied causes the module
to enter the bootloader mode
User manual RFID IND Modbus-Uni
Page
15
of
15
[B03]
