Pm-E F Pm Dc24V Profisafe Power Module; Properties Of The Pm-E F Pm Dc24V Profisafe Power Module - Siemens SIMATIC ET 200S Installation And Operating Manual

Fail-Safe Modules

7.2 PM-E F pm DC24V PROFIsafe Power Module

7.2 PM-E F pm DC24V PROFIsafe Power Module
7.2
7.2.1

Properties of the PM-E F pm DC24V PROFIsafe Power Module

Order Number
6ES7 138-4CF02-0AB0
Properties
The PM-E F pm DC24V PROFIsafe power module has the following properties:
• Two relays for switching voltage buses P1 and P2, 10 A output current
• 2 fail-safe digital outputs, P/M-switching, output current 2 A
• 24 VDC rated load voltage
• Suitable for solenoid valves, DC contactors, and indicator lights
• Group fault display (SF; red LED)
• Status display for each output (green LED)
• Status display for load current power supply (PWR; green LED)
• Assignable diagnostics
• For achievable safety classes (safety integrity level), see following table
Table 7-1
PM-E F pm DC24V PROFIsafe
Relay outputs P1
and P2
DO 0 and DO 1
electronic outputs
Switching of Voltage Buses P1 and P2
The power module can be used for fail-safe connection of voltage buses P1 and P2 by
means of relay contacts in accordance with AK4/SIL2/Category 3.
7-2
Overview of Achievable Safety Classes (Safety Integrity Levels) with PM-E F pm DC24V
PROFIsafe
Without standard DO
modules
with standard DO modules
without standard DO modules on P1 and P2
with standard DO modules on P1 and P2
Hardware Installation and Operating Manual, 07/2005, A5E00103686-04
Maximum Safety Level That
Can Be Achieved
Signal switches AK6/ SIL3/Category 4
daily or more often
Signal switches AK4/ SIL2/ Category 3
less than once a
day
AK4/ SIL2/ Category 3
AK6/ SIL3/Category 4
AK4/ SIL2/ Category 3
ET 200S Distributed I/O System - Fail-Safe Modules