Technical specifications
Address designation
(for ET 100U only) 4 DI
Number of inputs 4
Galvanic isolation no
- in groups of 4
Input voltage L+
- rated value 24 V DC
- ”0” signal 0 to 5 V
- ”1” signal 13 to 33 V
Input current at ”1”
signal typ. 7 mA
Inherent delay
- from ”0” to ”1” typ. 2.5 ms
- from ”1” to ”0” typ. 5 ms
Length of cable
- unshielded max. 100 m (330 ft.)
Insulation rating VDE 0160
Rated insulation voltage *
(+9 V to ) 12 V AC
- insulation group 1×B
Fault LED (red) no input
voltage L+
Permissible ambient
temperature of module
- horizontal arrangement 0 to 60 °C
(32 to 140 °F)
- vertical arrangement 0 to 40 °C
(32 to 104 °F)
Connection of 2-wire
BERO proximity switches possible
- residual current 1.5 mA
Current consumption
- from +9 V (CPU) typ. 16 mA
Power loss of the
module typ. 0.8 W
Weight approx. 205 g (7.2 oz.)
* Relevant only for isolated assembly in the ET 100U