When The Err. Contact Of A Power Supply Module Is Used - Mitsubishi Electric MELSEC iQ-R Series User Manual

When the ERR. contact of a power supply module is used

AC and DC power
Power supply
Transformer Transformer
Fuse
MELSECWinCPU
module
User program
Start switch
RA1 RA3
MC
Stop switch
Input module
RA2
Output module
Ym
Yn
RA1
Power
supply
ERR
module
RA3
Output module
MC2
MC1
MC1
MC2
*1 This product starts when RA1 (control starting output) turns ON.
*2 A stop caused by pressing an emergency stop switch or a limit switch or when turning OFF the ERR. contact
*3 Configure external interlock circuits for conflicting operations such as forward/reverse rotations and the parts where the incorrect output
may cause damage to the machines or accidents.
Fuse
DC power
(-) (+)
Fuse
Start/Stop circuit*1
MC
RA2
Use of a voltage relay is recommended.
XM
Low battery alarm (lamp or buzzer)
Turns ON at the start of MELSECWinCPU module
L
user program.
Turns OFF by ERR contact OFF (stop error occurred).
MC MC
Turns the power of output devices OFF when the stop switch is pressed.*2
Interlock circuits*3
Appendix 9 General Safety Requirements
A
APPX
295