HS50_advance_level 1_20200522_221201 (1) - 第364页

Studen t Guide HS-50 A dvanced I 06/200 2 Edition 9 Con veyor System 23 9.6. 4 T r ansport In terface HS -50 Fig. 9.6 - 4 T rans por t Inte rface HS -50 1 1 se nsor sen sor T r ansport di rection output conveyor pre viou…

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06/2002 Edition Student Guide HS-50 Advanced I
9 Conveyor System
22
9.6.2 Conveyor system with a board transported from station 1 to station 2
Fig. 9.6 - 2 Conveyor system with a board transported from station 1 to station 2
9.6.3 Conveyor system with a board transported from station 1 to station 2
Fig. 9.6 - 3 Conveyor system with a board transported from station 1 to station 2
sensor sensor
Transport direction
output conveyor
previous station
input conveyor
next station
Station 1 Station 2
0
Request
Passed
Permission
Arrived
Request
Passed
Permission
Arrived
0
0
0
PCB
Having finished placement
station1 moves the board
into the output conveyor
2. With the PCB activating
the sonar bero in the
output conveyor, station
1 sets the „Request“
output, indicating board
ready to be transfered.
1
1
1. Without a board in the
input conveyor of station 2
the output „Permission“ is
set. Indicating to be ready
to receive the next board.
sensor sensor
input conveyor
next station
Station 2
Permission
1
1
Transport direction
output conveyor
previous station
Station 1
Request
Passed
Permission
Arrived
Request
Passed
Arrived
0
0
0
3. With the „Permission“
already given, the
board moves on.
4. While the board moves off
the sonar bero in station 1,
the „Request“ signal is
pulled back and the
„Passed“ signal set.
PCB PCB
1
5. With the board delivered
the conveyor in station 1
stops working.
Student Guide HS-50 Advanced I 06/2002 Edition
9 Conveyor System
23
9.6.4 Transport Interface HS-50
Fig. 9.6 - 4 Transport Interface HS-50
1
1
sensor sensor
Transport direction
output conveyor
previous station
input conveyor
next station
Station 1 Station 2
Request
Passed
Permission
Arrived
Request
Passed
Permission
Arrived
0
0
0
1 0
PCB PCB
6. Reaching the sonar bero
in the input conveyor,
station 2 confirms the
arrival with „Arrived“ and
at the same time resets
„Permission“.
7. Finally Station 1 pulls
back the „Passed“
output.
1
8. With the board arrived
the conveyor in station 2
stops working.
06/2002 Edition Student Guide HS-50 Advanced I
9 Conveyor System
24