14 Description of Units and Circuit Boards
14.5Machine Safety I/O Logic Circuit Board (JANCD-YSF22ჱ-E)
14-11
182582-1CD
182582-1CD
MH900, DX200 Controller
14.5
Machine Safety I/O Logic Circuit Board (JANCD-YSF22 ჱ -E)
14.5.1 Machine Safety I/O Logic Circuit Board (JANCD-YSF22 ჱ -E)
This circuit board contains dual processing circuits for safety signal and
the I/O circuit for the un-safety signal.
It processes external safety signals with the dual processing circuits and
control ON/OFF of the main circuit control contactor of the power ON unit
according to conditions.
Followings are the main functions of Machine Safety I/O Logic Unit.
• System safety input circuit (dual circuits)
• User safety input circuit (dual circuits)
• User safety output circuit (dual circuits)
• Emergency stop signal input circuit (dual circuits)
• Servo power control signal output circuit (dual circuits)
• Anti-safety I/O circuit for the robot system
• Machine safety terminal block circuit board I/F
Fig. 14-7: Machine Safety I/O Logic Board (JANCD-YSF22 ჱ -E)
(CN218)
PP I/F connector
(CN217)
(CN215)
OT,SHOCK,LAMP
(CN216)
FANALM,FANCTL
(CN214)
(CN213)
(S1/S2)
(CN219)
(F2)
2A/250V
(F1)
1A/250V
(CN212)
(CN211)
Major axes control circuit
board I/F connector
Power supply input connector
Rotary switch
Fuse for protecting
the power supply
Fuse for protecting
the power supply
Machine safety terminal circuit
board I/F connector
Contactor control
output connector
(Communication with the
CPU unit: 2ch side)
(Communication with the
CPU unit: 1ch side)
I/O I/F
I/O I/F
Connction terminal for
the grounding
If the F1 fuse becomes blown, it will cause a damage on the
inner circuit of the board. Replace the board instead of
replacing the fuse.
(There is no attached spare of the fuse.)
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