Hitachi HT-4139-28 Maintenance Manual page 54

7.8.5 Information Display of Photo / Video / SW / Ultra Sonic Sensor
7.8.5.1 Status of Photo Level / Switch
1. Photo level at gain 0 should satisfy the criteria.
Photo number Criteria
PC22 > 20
If it is out of criteria, take actions considering cable disconnection, part failure, contamination, optical
●
axis shift.
Minimum level is at the gain 00 and it becomes larger in accordance with the gain and maximum is
●
"FF".
If level is not displayed and level will not be changed even lit by flashlight, light receiving section has
●
issue. If level varies, light emitting section has problem.
2. Judgment of the photos and switches
Switch name
I/L (Inter Lock)
L/L (Lower Level)
F/L (Feed Level)
IPC
Sensor
PC11、PC20、PC21、
PC22、PC31、PC41、
PC42、PC43、PC51、
PC52
(1) Specify parameters and click the "RUN" button.
･Photo gain：All gain（default）
･Lamp mode1：Light on（default））
･Lamp mode2：Light off （default）
･LED：ON（default）
･Hopper position：F/L（default）
If necessary, change parameter and perform this.
(2) Level of each photos will be displayed every 2
To fix the screen, click the "Pause" button.
To finish display, click the "FINISH" button.
Note
Exclude
PC22DBL
Check by closing/opening the front part of the device.
Elevator operation / Detect by specifying UP (L/L).
Elevator operation / Detect by specifying UP (F/L).
Or lift the Pickunit by hands.
NONE
Confirm condition by blocking light with paper or finger.
second
Switch operation
REV0 2010.02.15
Close: "0"
L/L="1"
F/L="1"
Normal
condition
Blight: "1"
Dark: "0"
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