OM-1078-002 - 第29页

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 …

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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AHI01EGP

4.2 Protective Sensors

BPH505

4.2.2 [Closed Rack Shutter (Operator Side) Check] Sensor

When the rack shutter on the operator side is open, this sensor works

to prevent the machine from being operated.

Sensor Name Symbol Countermeasures

[Closed Rack Shutter

(Operator Side) Check]

Sensor

Fig. X23

Table X10

When this sensor has detected an error (the shutter is

opened), 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.

BPH505

4.2 Protective Sensors

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