Product name: UOTEK Digital 8-channel optical isolated dry contact I/O input module
Model: UT-5528
● Operating power supply: 9-30VDC/350mA
● Isolation voltage: 2500V rms
● Electrical interface:Ten bit terminal block
● Dimension:120mm×80mm×25mm
● Operating temperature: -25 ~ 70°C
● Relative humidity from 5 ~ 95%
● RS-485 interface (RS-232 optional), support MODBUS-RTU
The UT-5528 opto-isolated data parallel input I/O controller is an 8-bit, 8-channel isolated switching input. All switching inputs are simply COM and IN1 shorted, or COM and IN1-8 can be connected.
Hardware definition and initial definition
● Connector allocation
The controller is using 10-position terminal blocks as input and output connectors, with the following pin assignments.
Notes.
--GND:Common ground
--VCC:DC9--30V power input operating current:350mA
--DATA-:Communication interface (RS232, data reception, RS485/RS485-)
--DATA+: Communication interface (RS232, data reception, RS485/RS485)
--RESET: reset
--COM: Switching input common
--IN1/IN2/IN3/IN4/IN5/IN6/IN7/IN8 Switching inputs
--NC: empty