3.3.2
LEDs of the Power Distribution Modules
3.3.3
Terminal Layout and External Connections
Bus Refreshing Module ST1PSD
Description of the Modules
24
MITSUBISHI ELECTRIC
External Connections
Terminal Block
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
32
24 V (AUX.)
-
33
+
34
Shield
41
Not connected
42
24 V (AUX.)
-
43
+
44
Shield
11
31
14
34
12
32
21
41
23
43
13
33
22
42
24
44
+24 V
5 V
SG
24 G
Base module ST1B-
첸
4P2-
첸
-SET
External power
supply for SYS.
External power
supply for AUX.
ST1PSD
Inter
nal
ci
rcui
t
Connection to
DIN rail
Connection to the adjacent base module
Connection to
DIN rail
11
12
13
14
31
32
33
34
21
22
23
24
41
42
43
44
ST1B-
4P2-
-SE
T
LED
LED
status
Meaning
RUN
ON
Normally operating
Flickering
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 in 1 s intervals
쎲
Communication with the master station has stopped.
쎲
Slave parameter setting error
쎲
Other slice module fault
쎲
Internal bus error
OFF
쎲
The external power is off.
쎲
Hardware fault
쎲
Internal bus error
ERR.
ON
Hardware fault
Flickering
The external power supply voltage (24 V DC) is to low.
OFF
Normally operating
SYS.
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.
AUX.
ON
The 24 V DC voltage is output.
OFF
24 V DC voltage low