OM-1078-002 - 第31页
BPH520 BPH521 ALL READY CHANGE HOME POSITION POWER ELEV. 4.2.3 [Missing Pallet (Return Position) Detection] Sensors This sensor enables the operator to check if a pallet exists or not during drawout and return operations…

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
0204-002 28 AHI01EGP

BPH520
BPH521
ALL
READY
CHANGE
HOME
POSITION POWER
ELEV.
4.2.3 [Missing Pallet (Return Position) Detection] Sensors
This sensor enables the operator to check if a pallet exists or not during
drawout and return operations.
Sensor Name Symbol Countermeasures
[Right Missing Pallet
(Return Position)
Detection] Sensor
[Left Missing Pallet
(Return Position)
Detection] Sensor
Fig. X24
Table X11
When one of the left sensors has detected an error, the
following measures are taken.
• An error occurs when either one of the sensors de-
tects that a pallet is missing during pallet drawout
operation.
• An error occurs when either one of the sensors de-
tects that a pallet exists during pallet return opera-
tion.
BPH520
BPH521
4.2 Protective Sensors
0311-003 29 AHI01EGP

4.2.4 [Rack Shutter (Traverse Side) Check] Sensors
These sensors work to check if the rack shutter is opened or closed.
Sensor Name Symbol Countermeasures
[Right Rack Shutter
(Traverse Side) Opening
Check] Sensor
[Right Rack Shutter
(Traverse Side) Closing
Check] Sensor
[Left Rack Shutter
(Traverse Side) Opening
Check] Sensor
[Left Rack Shutter
(Traverse Side) Closing
Check] Sensor
BPS501
BPS503
BPS504
BPS502
Fig. X25
Table X12
• An error occurs when it cannot be confirmed that the
rack shutter is being opened during opening opera-
tion.
• An error occurs when it cannot be confirmed that the
rack shutter is being closed during closing operation.
BPS501
BPS502
BPS503
BPS504
4.2 Protective Sensors
0204-002 30 AHI01EGP