Siemens PM-E F pm DC24V PROFIsafe Installation And Operating Manual page 185

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Length of cable
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Maximum achievable safety class
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Fail-safe performance characteristics
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Voltages, Currents, Potentials
Control voltage
Total current at both channels
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Electrical isolation
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Permissible potential difference between
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ET 200S Distributed I/O System - Fail-Safe Modules
Installation and Operating Manual, 08/2008, A5E00103686-07
In the I/O area for inputs
In the I/O area for outputs
Unshielded for load contact
Shielded for load contact
Control cable (input)
In accordance with IEC 61508
In accordance with EN 954
In accordance with ISO 13849
Low demand mode (average probability of
failure on demand)
High demand/continuous mode (probability of
a dangerous failure per hour)
Acceptance ID
Horizontal installation
– Up to 40 °C
– Up to 50 °C
– Up to 60 °C
Vertical installation
– Up to 40 °C
Between channels and backplane bus
Between channels and control voltage
Between channels
Between channels/control voltage and shield
Shield and ET 200S bus connection
Control voltage and shield
ET 200S bus connection and control voltage
Channel 1 and shield, ET 200S bus
connection, control voltage, channel 2
Channel 2 and shield, ET 200S bus
connection, control voltage, channel 1
7.8 1 F-RO DC24V/AC24..230V/5A Digital Electronic Module
Technical Specifications
2 bits
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200 m, maximum
200 m, maximum
10 m, maximum
SIL3
Category 4
PLe
SIL3
< 1.00E-05
< 1.00E-09
cULus, CE, C-Tick
20.4 to 28.8 VDC (supplied from fail-safe output of
an F-DO)
8 A
6 A
5 A at max. control voltage 24.8 VDC
3 A at max. control voltage 28.8 VDC
6 A
Yes
Yes
Yes
Yes
75 VDC/60 VAC
75 VDC/60 VAC
75 VDC/60 VAC
250 VAC
250 VAC
Fail-Safe Modules
185