8.12 EM 8DI
Technical data of the expansion module 8DI
Device data
Number of standard inputs 8
Height
• Screw terminals
• Spring-loaded terminals
102 mm
105 mm
Width 22.5 mm
Depth 124 mm
Weight 125 g
Electrical data
Supply voltage/
rated control supply voltage Us
24 V DC
Operating range 0.85 to 1.15 x Us
Rated insulation voltage U
i
50 V
Rated impulse voltage U
imp
500 V
Total power consumption 78 mA
Rated power at Us 1.9 W
Characteristic values for cables
Max. permissible cable resistance 100 Ω
Max. permissible cable length from device to sensor
(for CU 1.5 mm
2
and 150 nF/km)
1000 m
Max. permissible cable capacitance 330 nF
Technical data
8.12 EM 8DI
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 381