Siemens SIRIUS 3RK3 - Em 4 F-Do

Technical data
9.6 EM 4F-DO
Modular Safety System 3RK3
294 System Manual, 10/2008, 926 2530-02 DS 02
9.6 EM 4F-DO
Technical data of the expansion module 4F-DO
Device data
No. of outputs 4 redundant semiconductor outputs
Height
• Screw terminals
• Spring-loaded terminals
102 mm
105 mm
Width 22.5 mm
Depth 124 mm
Weight 135 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 surge capacity U
imp
500 V
Total power consumption 8.1 A
Rated power at Vs 4.8 W
Utilization category to EN 60947-5-1
(semiconductor outputs)
• DC 13 at 24 V
2 A
Max. switching frequency z at rated operational current 1000 1/h
Conventional thermal current I
th
2 A
Safety data
Probability of a dangerous failure per hour (PFHD
d
) 3.18 x 10
-9
1/h
Probability of a dangerous failure on request (PFD) 2.20 x 10
-5
1/h
Characteristic values for cables
Max. permissible cable resistance -
Max. permissible cable length from device to sensor
(when CU 1.5 mm
2
and 150 nF/km)
1000 m
Max. permissible cable capacitance -
Dark period of solid-state outputs: < 1 ms