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Description of the Modules
3.3.2
LEDs of the Power Distribution Modules
LED
RUN
ERR.
SYS.
AUX.
3.3.3
Terminal Layout and External Connections
Bus Refreshing Module ST1PSD
External Connections
Base module ST1B- 4P2- -SET
External power
supply for SYS.
Connection to
DIN rail
External power
supply for AUX.
Connection to
DIN rail
Connection to the adjacent base module
24
LED
Meaning
status
ON
Normally operating
Flickering in 0.25 s intervals
Selected as a module to be replaced online. Power distribution modules cannot be changed
while the station is operating. Continue the selection until the RUN LED on the desired mod-
ule is flickering.
Flickering
Flickering in 1 s intervals
b
Communication with the master station has stopped.
b
Slave parameter setting error
b
Other slice module fault
b
Internal bus error
b
The external power is off.
b
Hardware fault
OFF
b
Internal bus error
ON
Hardware fault
Flickering
The external power supply voltage (24 V DC) is to low.
OFF
Normally operating
ON
The module provides both the 24 V DC and the 5 V DC voltage.
OFF
24 V DC voltage low and 5 V DC voltage low.
ON
The 24 V DC voltage is output.
OFF
24 V DC voltage low
11
12
13
14
21
22
5 V
23
24
SG
31
+24 V
32
24 G
33
34
41
42
43
44
Terminal Block
ST1PSD
11
12
13
14
Terminal Signal
11
24 V (SYS.)
12
13
Not connected
14
Shield
21
Nicht belegt
22
24 V (Minuspol)
23
Not connected
24
Shield
31
Not connected
21
31
41
32
24 V (AUX.)
33
22
32
42
34
Shield
41
Not connected
23
33
43
42
24 V (AUX.)
43
24
34
44
44
Shield
MITSUBISHI ELECTRIC
+
-
-
+
-
+
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