Siemens SIRIUS 3RK3 - Em 8 Di

Technical data
9.8 EM 8DI
Modular Safety System 3RK3
296 System Manual, 10/2008, 926 2530-02 DS 02
9.8 EM 8DI
Technical data of the expansion module 8DI
Device data
Number of sensor inputs (1-channel) 8
Height
• Screw terminals
• Spring-loaded terminals
102 mm
105 mm
Width 22.5 mm
Depth 124 mm
Weight 125 g
Electrical specifications
Supply voltage/
Rated control supply voltage Us
24 V DC
Work area 0.85 to 1.15 x Vs
Rated insulation voltage U
i
50 V
Rated impulse voltage V
imp
500 V
Total power consumption 78 mA
Rated power at Vs 1.9 W
Characteristic values for cables
Max. permissible cable resistance 100 Ω
Max. permissible cable length from device to sensor
(when CU 1.5 mm
2
and 150 nF/km)
1000 m
Max. permissible cable capacitance 330 nF