Serial buffer with up to 128mb or 2mb buff

8 digital contact inputs
8 digital outputs "Open source" from joint terminal
RS485 interface
DIN bracket
screw terminal

RS485 I/O module with 4 digital inputs and 5 relay output
4 x digital input (Wet) active with Volt in
digital input as 16 bit counter - 100Hz
5 x relay output - COM, NO
Supply: 10 - 30vdc
DIN

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

RS485 Module for measuring voltage and power
is with 15VDC transmitter output for power loop
1 x analog input 0-20MA, 0 - +/- 10V
1 x digital input. High is closed Contact
2 x Digital output (Open Collector) + 50VDC / 30mA
Supply voltage: 10 - 30VDC
Dim: 123 x 72 x 35 mm