X-Serie S_705 - 第62页
62 Technical data Siemens signal interface Connector assignment Signal interface (20 pin flat connector) Predecessor station X1 Successor station X2 Pin 1 Reserved Pin 1 Reserved Pin 2 GND 24 V - Pin 2 Reserved Pin 3 + 2…
61
Technical data
SMEMA interface
Signal path
1. After switching on the station
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n transports PCB
to transfer position
Conveyor n running Conveyor n+1
BOARD AVAIL-
ABLE
Permission
Station n+1
is not ready
1
0
2. PCB transfer has started
Direction of transport
Conveyor n Conveyor n+1
PCB sensor
Station n transfers
PCB to station n+1
Conveyor n running Conveyor n+1 running
Station n+1 expects
PCB from station n
3. PCB is transferred
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n has just trans-
ferred PCB
Conveyor n stopped Conveyor n+1 running
Station n+1 expects PCB
from station n, PCB has
not yet arrived
PCB sensor
4. PCB transfer has been completed
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n
Conveyor n stopped Conveyor n+1 running
Station n+1
PCB has arrived
Request
NOT READY
BOARD AVAIL-
ABLE
Permission
1
1
Request
MACHINE READY
TO RECEIVE
BOARD AVAIL-
ABLE
Permission
0
1
Request
MACHINE READY
TO RECEIVE
BOARD AVAIL-
ABLE
Permission
0
0
Request
MACHINE READY
TO RECEIVE
To start a new PCB transfer, both signals must be at least 50 ms "0".
62
Technical data
Siemens signal interface
Connector assignment
Signal interface (20 pin flat connector)
Predecessor station X1 Successor station X2
Pin 1 Reserved Pin 1 Reserved
Pin 2 GND 24 V- Pin 2 Reserved
Pin 3 + 24 V- Pin 3 Reserved
Pin 4 Reserved Pin 4 Reserved
Pin 5 Reserved Pin 5 GND 24 V-
Pin 6 Reserved Pin 6 + 24 V-
Pin 7 Reserved Pin 7 Reserved
Pin 8 Reserved Pin 8 Reserved
Pin 9 Reserved Pin 9 Reserved
Pin 10 Reserved Pin 10 Reserved
Pin 11 Not in use Pin 11 Not in use
Pin 12 Not in use Pin 12 Not in use
Pin 13 GND 24 V- Pin 13 GND 24 V- for permission / arrived
(galvanic isolation)
Pin 14 Arrived Pin 14 Arrived
Pin 15 Permission Pin 15 Permission
Pin 16 Reserved Pin 16 Reserved
Pin 17 Reserved Pin 17 Reserved
Pin 18 Transferred Pin 18 Transferred
Pin 19 Request Pin 19 Request
Pin 20 GND 24 V- for request / trans-
ferred (galvanic isolation)
Pin 20 GND 24 V-
63
Technical data
Siemens signal interface
Signal path
1. After switching on the station
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n transports PCB
to transfer position
Conveyor n running Conveyor n+1
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1
is ready to receive
0
0
1
0
2. PCB transfer has started
Direction of transport
Conveyor n Conveyor n+1
PCB sensor
Station n transfers
PCB to station n+1
Conveyor n running Conveyor 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
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n has just trans-
ferred PCB
Conveyor n stopped Conveyor n+1 running
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1 expects PCB
from station n, PCB has
not yet arrived
0
1
1
0
PCB sensor
4. PCB transfer has been completed
Direction of transport
Conveyor n Conveyor n+1
PCB sensor PCB sensor
Station n
Conveyor n stopped Conveyor n+1 running
Request
Transferred
Permission
Arrived
Request
Transferred
Permission
Arrived
Station n+1
PCB has arrived
0
0
0
1