X service技术参数 - 第40页
40 Technical Data SMEMA Interface Connector Assignment Signal interface (14-pin receptacl e) Upstream station X1 Downstream station X2 Pin 1 NO T R EAD Y + Pin 1 NO T READ Y + Pin 2 NO T R EAD Y – Pin 2 NO T READ Y – Pin…
39
Technical Data
Siemens Signal Interface
Signal Curve
1
.
Af
ter sw
i
tc
hi
ng on t
h
e stat
i
on
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n transports
PCB to the transfer position
Belt n running Belt n+1 stopped
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1
is ready to receive PCBs
0
0
1
0
2. The PCB transfer has started
Transport direction
Belt n Belt n+1
PCB sensor
Station n transfers
PCB to Station n+1
Belt n running Belt n+1 running
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1 expects
PCB from station n
1
0
1
0
3. PCB is transferred
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n has
just transferred the PCB
Belt n stopped Belt n+1 running
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1 expects PCB
from station n, but PCB
has not yet arrived.
0
1
1
0
PCB sensor
4. PCB transfer is complete
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n
Belt n stopped Belt n+1 running
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1
PCB arrived
0
0
0
1
40
Technical Data
SMEMA Interface
Connector Assignment
Signal interface (14-pin receptacle)
Upstream station X1 Downstream station X2
Pin 1 NOT READY + Pin 1 NOT READY +
Pin 2 NOT READY – Pin 2 NOT READY –
Pin 3 BOARD AVAILABLE + Pin 3 BOARD AVAILABLE +
Pin 4 BOARD AVAILABLE – Pin 4 BOARD AVAILABLE –
Pin 5 Not used Pin 5 Not used
Pin 6 Not used Pin 6 Not used
Pin 7 Not used Pin 7 Not used
Pin 8 Reserved Pin 8 Reserved
Pin 9 Reserved Pin 9 Reserved
Pin 10 Reserved Pin 10 Reserved
Pin 11 Reserved Pin 11 Reserved
Pin 12 Reserved Pin 12 Reserved
Pin 13 Reserved Pin 13 Reserved
Pin 14 Reserved Pin 14 Reserved
41
Technical Data
SMEMA Interface
Signal Curve
1
.
Af
ter sw
i
tc
hi
ng on t
h
e stat
i
on
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n transports
PCB to the transfer position
Belt n running Belt n+1 stopped
BOARD AVAILABLE
Permission
Station n+1
is not ready
1
0
2. The PCB transfer has started
Transport direction
Belt n Belt n+1
PCB sensor
Station n transfers
PCB to Station n+1
Belt n running Belt n+1 running
Station n+1 expects
PCB from station n
3. PCB is transferred
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n has
just transferred the PCB
Belt n stopped Belt n+1 running
Station n+1 expects PCB
from station n, but PCB
has not yet arrived.
PCB sensor
4. PCB transfer is complete
Transport direction
Belt n Belt n+1
PCB sensor PCB sensor
Station n
Belt n stopped Belt n+1 running
Station n+1
PCB arrived
Request
NOT READY
BOARD AVAILABLE
Permission
1
1
Request
NOT READY
BOARD AVAILABLE
Permission
0
1
Request
NOT READY
BOARD AVAILABLE
Permission
0
0
Request
NOT READY
To start a new PCB transfer, both signals must be "0" for at least 50 ms.