RS485 module with 8 isolated digital inputs, with display

4 x relay outputs 2 end and 2 switch
4 x insulated inputs
supply voltage: 10 - 30vdc
1 x RS485 communication port

RS485 Module with 16 digital inputs
inputs are Dry Contact - High at contact to GND
RS485 The module is slave
supply: 10 - 30vdc
DIN bracket

RS485 Module - Slave, with digital input
8 x digital inputs for DC and AC
Voltage monitoring
input voltage: 80 - 250VAC / DC
Supply: 10 -30vdc

RS485 I / O Module
7 digital inputs - Contact or volt in
8 digital outputs with connect contact function
Supply: 10 - 30VDC