Siemens PM-D F DC24V PROFIsafe - Page 79

Fail-Safe Modules
7.2 PM-E F pm DC24V PROFIsafe Power Module
ET 200S Distributed I/O System - Fail-Safe Modules
Installation and Operating Manual, 08/2008, A5E00103686-07
79
Technical Specifications
• Shielded
200 m, maximum
Maximum achievable safety class
• according to IEC 61508, according to EN
954, according to ISO 13849
Max. SIL3, category 4, PLe (for conditions see
"Power modulePM-E F pm DC24V PROFIsafe")
Fail-safe performance characteristics SIL3
• Low demand mode (average probability of
failure on demand)
< 1.00E-05
• High demand/continuous mode (probability of
a dangerous failure per hour)
< 1.00E-10
• Acceptance ID
FM, cULus, CE, C-Tick
Voltages, Currents, Potentials
Rated supply voltage L+ 24 VDC
• permissible range **
20.4 V to 28.8 V
• Power loss ride-through of L+
None
• Power loss ride-through of internal P5
5 ms
• Reverse polarity protection
No
Total current
• Horizontal installation
– Up to 40 °C
– Up to 55 °C
– Up to 60 °C
10 A
7 A
6 A
• Vertical installation
– Up to 40 °C
6 A
Electrical isolation
• Between channels and backplane bus
Yes
• Between channels and power supply
No
• Between channels
No
• Between channels/power supply and shield
Yes
Permissible potential difference between
• Shield and ET 200S bus connection
75 VDC/60 VAC
• Shield and I/O (DOs, P1/P2 buses)
75 VDC/60 VAC
• ET 200S bus connection and I/O (DOs,
P1/P2 buses)
250 VAC
Isolation in the series tested with
• Shield and ET 200S bus connection
500 VDC/1 min or 600 VDC/1 s
• Shield and I/O (DOs, P1/P2 buses)
500 VDC/1 min or 600 VDC/1 s
• ET 200S bus connection and I/O (DOs,
P1/P2 buses)
1500 VAC/1 min or 2545 VDC/1 s
Isolation in the type test tested with
• Shield and ET 200S bus connection
350 VAC/1 min