Block Diagram And Timing Chart - Mitsubishi Electric MELSERVO-J4 Series Instruction Manual

Block diagram and timing chart

Function block diagram
+24V
DCDC
power
0V
SW1 SW2
Operation sequence
Power supply
A-axis shutdown
1 and 2
SDI
B-axis shutdown
1 and 2
A-axis EMG
start/reset
SRES
B-axis EMG
start/reset
A-axis STO state
1 and 2
STO
B-axis STO state
1 and 2
*1 Refer to the following.
Page 599 Rotary switch setting
Maintenance and disposal
MR-J3-D05 is equipped with LED displays to check errors for maintenance.
Please dispose this unit according to your local laws and regulations.
APPX
588
Appendix 5 MR-J3-D05 Safety logic unit
SRESA+ SRESA- TOF1A TOF2A
Safety logic
TIMER1
TIMER2
SDI1A- SDI2A- SDI1B- SDI2B-
15 ms or longer
Energizing (close)
Shut-off (open)
Release (close)
Normal (open)
Normal (close)
Shut-off (open)
STO status
TOFA STO1A+ STO2A+ SDO1A+ SDO2A+
STO1A- STO2A- SDO1A- SDO2A-
50 ms or longer
10 ms or shorter
Control enabled
A-axis circuit
B-axis circuit
Shut off delay (SW1 and SW2) *1
STO status
Control enabled