An External Wiring Example For The Extension Power Supply Unit (Source Input [+Common]) - Mitsubishi Electric MELSEC-F FX3G Series User Manual

Hide thumbs Also See for MELSEC-F FX3G Series:
Table of Contents

Advertisement

FX
Series Programmable Controllers
3G
User's Manual - Hardware Edition
9.4.5

An external wiring example for the extension power supply unit (source input [+common])

This example shows a source input wiring (+common), including the extension power supply unit.
Sink and source input type
5V 0V 24V
5V 0V 24V
Sink and
source
input
type
5V 0V 24V
5V 0V 24V
Extension power supply unit
5V 0V 24V
Sink and
source
input
5V 0V 24V
type
5V 0V 24V
5V 0V 24V
*1 Connect the AC power supply to the L and N terminals (in
any case of 100V AC system and 200V AC system).
Make sure that the power is turned ON at the same time in
the main unit and extension power supply units or earlier in
extension power supply units than the main unit.
As for the details, see "WIRING PRECAUTIONS" at "Safety
Precautions" field.
*2 Connect the 0V terminal of the main unit to the S/S terminal
of the input extension block.
*3 Some special function units/blocks, special adapters do not
have a power supply terminal.
When using an external power supply, turn it ON at the
same time with the main unit or earlier than the main unit.
*3
Special adapter
24+
24-
*1
Main unit
L
N
S/S
*5
0V
*5
24V
*2
Input extension
S/S
block
*3
Special function
24+
block
24-
*1
L
N
*2
Input extension
S/S
block
*4
Special function
24+
block
24-
Output extension
block
9 Preparation for Wiring and Power Supply Wiring Procedures
9.4 Examples of External Wiring [AC Power Supply Type]
AC power supply of
Class D
grounding
PL
MC
24V DC
service
power
MC
supply
output
DC
Power supply for loads to
be connected to PLC
output terminals
As for the details of emergency stop
operation, see "DESIGN PRECAUTIONS"
at "Safety Precautions" field.
Wiring precaution:
Grounding and power cables should be positioned
to exit the unit from above as shown in the figure.
When turning OFF the power, confirm the safety of the
system, and then turn OFF the power of the PLC
(including special extension equipment) at the same time.
*4
Some special function blocks do not have the power
supply terminals.
When using an external power supply, turn it ON at the
same time with the extension power supply unit or earlier
than the extension power supply unit.
When turning OFF the power, confirm the safety of the
system, and then turn OFF the power of the PLC (including
special extension equipment) at the same time.
*5 The "24V" and "0V" terminals are located on the output
terminal side.
For details on the terminal layout, refer to Section 4.7.
100 to 240V
Breaker
Power supply ON
MC
Emergency
stop
MC
DC
power
supply
AC
Grounding and
power cables
137
1
2
3
4
5
6
7
8
9
10

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents