Digital electronic module with four inputs
Nominal input voltage 24 VDC
Suitable for switches and proximity switches (BEROs)
Extended temperature range from 0 to 55 °C with vertical installation
For signal "1" 15 V to 30 V
For signal "0" -30 V to 5 V
Input current
At signal "1"
Typ. 7 mA (for 24 V)
Input delay
At "0" to "1" Typ. 3 ms (2.0 to 4.5 ms)
At "1" to "0" Typ. 3 ms (2.0 to 4.5 ms)
Input characteristic curve According to IEC 61131, Type 1
Connection of 2-wire BEROs Supported
Permitted bias current Max. 1.5 mA

Rated supply voltage (from the power module) 24 VDC
Reverse polarity protection Yes
Electrical isolation
Between the channels No
Between the channels and backplane bus Yes
Permissible potential difference
Between the different circuits 75 VDC / 60 VAC
Insulation test voltage 500 VDC
Current consumption
From supply voltage Dependent on the sensor
Power dissipation of the module Typically 0.7 W
Status, interrupts, diagnostics
Status display Green LED per channel
Diagnostics function No
Sensor power supply output
Output voltage
With load Min. L+ (-0.5 V)
Output current
Rated value 500 mA
Permitted range 0 to 500 mA
Data for selecting a sensor
Input voltage
Rated value 24 VDC