Power Indicators, Redundant Power Supply - Siemens SIMATIC IPC1047 Operating Instructions Manual

Overview
1.2 Design of the device
1.2.4

Power indicators, redundant power supply

Rear
The power supply unit of the redundant power supply can be run with only one power supply
module
signal sounds.
Operating
display
LED
acknowledgment
key 1
LED
acknowledgment
key 2
18
①
. If a power supply module, e.g.
Meaning
Operating status of
power supply
module 1
Operating status of
power supply
module 2
②
, is out of service, a visual and audible warning
LED Description
OFF Device disconnected from power supply
Flashes
Power supply module 1 ready for
•
GREEN
operation
PC switched off
•
GREEN
Power supply module 1 in operation
•
PC switched on
•
Flashes RED Power supply 1 interrupted
RED Power supply module 1 defective
Flashes slowly Warning at power supply module 1, e.g.
RED/GREEN overload
OFF Device disconnected from power supply
Flashes
Power supply module 2 ready for
•
GREEN
operation
PC switched off
•
GREEN
Power supply module 2 in operation
•
PC switched on
•
Flashes RED Power supply 2 interrupted
RED Power supply module 2 defective
Flashes slowly Warning at power supply module 2, e.g.
RED/GREEN overload
Operating Instructions, 09/2018, A5E45118479-AA
SIMATIC IPC1047