Siemens SIRIUS 3RK3 - Em 4;8 F-DI

Technical data
9.3 EM 4/8F-DI
Modular Safety System 3RK3
System Manual, 10/2008, 926 2530-02 DS 02
291
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 line capacity 330 nF
Dark period of solid-state outputs < 1 ms
9.3 EM 4/8F-DI
Technical data of the expansion module 4/8F-DI
Device data
Number of sensor inputs (1-channel) 8
Number of test outputs 2
Height
• Screw terminals
• Spring-loaded terminals
102 mm
105 mm
Width 22.5 mm
Depth 124 mm
Weight 160 g
Electrical data
Supply voltage /
rated control supply voltage Us
24 V DC
Work area 0.85 to 1.15 x Vs
Rated insulation voltage V
i
50 V
Rated impulse voltage V
imp
500 V
Total power consumption 60 mA
Rated power at Vs 1.5 W
Safety data
Probability of a dangerous failure per hour (PFH
d
) 1.89 x 10
-9
1 / h
Probability of a dangerous failure on request (PFD) 4.29 x 10
-6
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 line capacity 330 nF