SIPLUS PSU (6DL3500-8BA)
SIPLUS PSU Power Supply Unit
A5E00854207E
13 of 30
Copyright (C) Siemens AG 2018
V 8.00 released
2018-05-03
4.7 Signaling Scheme
The states of the supply outputs are signaled by channel LEDs.
LED - Display
State of
operation
Switch
position
Fuse
Output condition
(X1…X20)
MELD
(X21)
MELD_N
(X21)
dark
„INACTIVE“
OFF
Unplugged High
impedance
Low
High
yellow
„OFF“
OFF
OK
High impedance
Low
High
green
„ON“
ON
OK
DC 24 V
Low
High
red
„FAULT“
OFF/ON
OK/blown
High impedance
High
Low
Table 1: Signaling scheme
The operating state "FAULT" is described in detail in the chapter 8.2 “Malfunctions”.