PS288_OwnersMnl_PriorTo2009 - 第168页

Maintenance • Adjustments, Calibrations, and Function al Tests PS288 Owner’s Manual 5—33 . Figur e 5-32—Click Go and then turn Ped 2 V acuu m ON NOTE: Refer to Figur e 5-33 fo r S tep 3 thr ou gh S tep 5. 3. Adjust Cup 2…

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Maintenance • Adjustments, Calibrations, and Functional Tests
5—32 PS288 Owner’s Manual
3. Adjust the HYS and SET screws—
3a) Using a small flat screwdriver, turn the HYS screw all the way counter-
clockwise.
3b) Then turn the SET screw counterclockwise until the red sensor light
comes on.
3c) Then turn the SET screw clockwise until the red light goes off.
3d) Finally turn the SET screw another 1/8th turn clockwise.
4. Check adjustments—
4a) Block the hole on the PNP probe tip with a device. The red sensor light
should come on immediately.
4b) Unblock the hole. The red sensor light should go off immediately.
5. Repeat—
5a) Repeat Step 4 three times to ensure the red sensor light goes on and off
as described.
5b) If the red sensor light does not go off and on properly, turn the SET
screw slightly clockwise and retry.
Shuttle Ped 1 and 2 Vacuum Generator Sensors
1. Prepare the system—
1a) On the back of the PS288, turn the “SERVOS” circuit breaker OFF.
1b) Remove the right lower access cover of the Option Bay.
1c) Set the cover aside.
2. AH500 software—
2a) On the System window, click Shuttle/Options.
Figure 5-31—Click Shuttle/O
ptions
2b) On the Shuttle tab, click GO next to Ped 2 Load Pos. Then click the
Ped 2 Vacuum to ON. See Figure 5-32.
Maintenance • Adjustments, Calibrations, and Functional Tests
PS288 Owner’s Manual 5—33
.
Figure 5-32—Click Go and then turn Ped 2 Vacuum ON
NOTE: Refer to Figure 5-33 for Step 3 through Step 5.
3. Adjust Cup 2 HYS and SET screws—
3a) Using a small flat screwdriver, turn the HYS screw all the way counter-
clockwise.
3b) Then turn the SET screw counterclockwise until the red vacuum sensor
light comes on.
3c) Then turn the SET screw clockwise until the light goes off.
3d) Finally turn the SET screw another 1/8th turn clockwise.
4. Check adjustment—
4a) Block the hole on the shuttle pedestal. The red vacuum sensor light
should come on immediately.
4b) Unblock the hole. The red vacuum sensor light should go off immedi-
ately.
4c) Repeat check to ensure the red vacuum sensor light goes on and off as
described.
4d) If the red vacuum sensor light does not go off and on properly, turn the
SET screw slightly clockwise and retry.
5. Adjust Cup 1 HYS and SET screw—
Repeat Step 3and Step 4 for Cup 1.
Maintenance • Adjustments, Calibrations, and Functional Tests
5—34 PS288 Owner’s Manual
Figure 5-33—Cup 1 and Cup 2 vacuum generator adjustments
6. Shuttle tab—
6a) Click Ped 1 Vacuum to OFF.
6b) Click Ped 2 Vacuum to ON.
7. Reinstall cover—
Reinstall access cover on the Option Bay.
Tape Output PNP Head Vacuum Generator Sensor
If your system includes the optional tape output system, you will also need
to adjust the vacuum generator sensor on the tape output PNP head.
1. Prepare the system—
1a) On the PLC Controller, turn the Apply Vacuum switch to the ON (up)
position. See Figure 5-34.
Figure 5-34—Apply Vacuum switch UP
1b) Lift the clear plastic cover.
Cup 2 HYS adjustment screw
Cup 2 SET adjustment screw
Cup 1 HYS adjustment screw
Cup 1 HYS adjustment screw
Cup 1 SET adjustment screw