Mitsubishi Electric Melsec-Q172DCPU User Manual page 121

2 SYSTEM CONFIGURATION
Servo amplifier with STO
(MR-J3- BS)
Shut-off signal
Shut-off confirmation
signal
Shut-off signal
Control Main circuit
power supply power supply
L11 L21 L1 L2 L3
L1 L2 L3
(Main circuit power supply)
2) MR-J3- BS use
External power supply
24VDC
CN8
4
STO1+
3
STO1-
8
TOF1
7
TOF2
5
STO2+
6
STO2-
Reactor
Door1 close/open
confirmation sensor
1B01
1B09
1A19
1A18
1A17
1A01
2B01
2B09
2A19
2A18
2A17
2A01
Door2 close/open
confirmation sensor
2 - 88
Safety signal module
(Q173DSXY)
Motion CPU side
Motion IO
Drive power
shut-off signal
Shut-off
confirmation
signal
Door1 signal
Door2 signal
PLC CPU side
PLC IO
Drive power
shut-off signal
Shut-off
confirmation
signal
Door1 signal
Door2 signal