Power Supply Modules
3-13
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
3.5
Fault/Error Messages via LEDs
Introduction
The power supply modules of the S7-400 indicate module faults and backup
battery faults via LEDs on the front plate.
Overview of the Fault/Error Messages
Table 3-7
Error messages of the power supply modules
Type of Fault/Error
LEDs
Module fault
INTF
5 VDC
24 VDC
Backup battery fault
Power supplies with 1 backup battery:
BAF
BATTF
Power supplies with 2 backup batteries:
BAF
BATT1F
BATT2F
INTF, 5 VDC, 24 VDC
The following table shows the faults indicated by the INTF, 5 VDC, and 24 VDC
LEDs and lists how to remedy the faults.
The status of the BAF, BATTF, BATT1F, and BATT2F LEDs is not relevant here.
Table 3-8
INTF, DC5V, DC24V LEDs
LED
INTF DC5V DC24V
Cause of Fault
Remedy
D
D
D
Standby switch in position
Set standby switch to the
I
position
Line voltage missing
Check line voltage
Internal fault, power supply module
defective
Replace power supply module
Cutoff after overvoltage on 5 V or illegal
external supply
Disconnect from mains and reconnect
after approximately 1 minute; if
necessary, remove external supply
Power supply module operated in
wrong slot
Install the power supply module in the
correct slot (slot 1)
Short circuit or overload on 5 V
Switch off the power supply module,
remove the source of the short circuit;
after approximately 3 seconds, the
power supply module can be switched
on with the standby switch or via the
power system.*
D
H
D
Overvoltage on 24 V
Check if the supply is external; if not,
replace power supply module
Содержание Simatic M7-400
Страница 10: ...Preface x S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 122: ...Power Supply Modules 3 42 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 362: ...Analog Modules 5 146 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 384: ...Interface Modules 6 22 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 428: ...RS 485 Repeater 10 8 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 496: ...M7 400 Expansions 12 26 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 562: ...Interface Submodules 13 66 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 574: ...Parameter Sets for Signal Modules A 12 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 594: ...Diagnostic Data of the Signal Modules B 20 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
Страница 598: ...Spare Parts and Accessories C 4 S7 400 M7 400 Programmable Controllers Module Specifications A5E00069467 07 ...
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