
6 WIRING
6.4 Power Supply Wiring
105
6
Examples of DC power supply wiring
Example of sink input [-common] power supply wiring
*1 Connect the DC power supply to the [+] and [-] terminals. Make sure that the power of the powered input/output module is turned on at
the same time as the CPU module or earlier than the CPU module.
*2 Connect the [+] terminal of the CPU module to the [S/S] terminal of the input module.
*3 Some expansion adapter and intelligent function modules may not have power supply terminals.
When using an external power supply, turn on the power supply at the same time as the CPU module or earlier than the CPU module.
When turning off the power, confirm the safety of the system and turn off the power of the PLC (including extension devices) at the same
time.
24 V DC
S/S
+
-
+
-
+
-
FX5-4DA-ADP
PL
Power ON
MC
MC
MC
MC
FX5U-32MT/DS
FX5-8EX/ES
S/S
Class D grounding
(grounding resistance: 100
or less)
*1
*3
*2
5 V 0 V 24 V
5 V 0 V 24 V
S/S
FX5-32ET/DS
*1
5 V 0 V 24 V
5 V 0 V 24 V
Circuit Protector
-
+
*3
FX5-40SSC-S
5 V 0 V 24 V
FX5-CNV-BUS
FX3U-4DA
5 V 0 V 24 V
24-
24+
*3
5 V 0 V 24 V
Emergency
stop
Power supply for loads
connected to PLC output
terminals
As for emergency stop
operation, see "DESIGN
PRECAUTIONS" at "Safety
Precautions" field.
Summary of Contents for 09R536
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