OM-1078-002 - 第28页
4.1.3 [Opened Maintenance Cover Detection] Switches Switch Name Symbol Countermeasures [Opened Maintenance Cover Detection] Switches [Opened Maintenance Cover Detection] Switches Maintenance Cover Fig. X21 T able X8 SQ50…
4.1.2 [Safety Door Electromagnetic Lock] Switch
When the LED of the [READY] button is ON, the safety door is locked
electromagnetically, making it impossible to open the door.
When the LED of the [READY] button is OFF, the safety door is un-
locked.
Switch Name Symbol Countermeasures
[Safety Door
Electromagnetic Lock]
Switch
Fig. X20
Table X7
[Safety Door Electromagnetic Lock]
Switch
Safety Door
• When the LED of the [READY] button is ON, the safety
door cannot be opened because it is locked by the
electromagnetic lock switch.
• When the safety door has opened due to the break-
down of the electromagnetic lock switch, etc., with
the machine in operation, the power to the elevator
shaft is shut off.
(Stop in Error Condition)
YSOL501
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AHI01EGP
4.1 Safety Switches and Sensors
4.1.3 [Opened Maintenance Cover Detection] Switches
Switch Name Symbol Countermeasures
[Opened Maintenance
Cover Detection] Switches
[Opened Maintenance Cover Detection]
Switches
Maintenance Cover
Fig. X21
Table X8
SQ503
SQ504
• When the maintenance cover is detached, the power
to the elevator shaft is shut off.
• No operations can be performed with the maintenance
cover being detached.
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AHI01EGP
4.1 Safety Switches and Sensors
BPH504R (Light Receiving Side)
BPH504T (Light Emitting Side)
4.2 Protective Sensors
This session describes the main sensors that are provided for machine
protection.
4.2.1 [Ejected Pallet Detection] Sensor
When a pallet is not seated correctly in place, these sensors are acti-
vated to prevent the machine from being operated.
Sensor Name Symbol Countermeasures
[Ejected Pallet Detection]
Sensor
Fig. X22
Table X9
When this sensor has detected an error, the following
measures are taken.
• When an error has been detected during operation,
the elevator shaft decelerates and stops with the ser-
vomotor being tuned off.
BPH504
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4.2 Protective Sensors