Omron FQ2 Series, Руководство пользователя

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PLC Link Connections
FQ2 User’s Manual
347
C
onne
cti
ng th
rough
Ethern
et
9
Timing Chart For PLC Link Communications
●
Command/Response Communications
Command code
Command parameters
Command code
Response code
Response data
(1) (2)
(4)
(5) (6) (3) (7)
Control Command
Exec
u tion Bit (EXE)
signal
Command
Exec
u tion Acti v e
(BUSY) signal
Control Command
Completed (FLG)
signal
1. The command code and command
parameters are set from the PLC.
2.The PLC t u rns O N the Control
Command Exec u tion Bit (EXE) signal.
The exec u tion command is sent to the
V ision Sensor.
3. W hen the V ision Sensor recei v es the
exec u tion command, the Command
Exec u tion Acti v e (BUSY) signal t u rns
O N , the READY signal t u rns OFF,
and the command is exec u ted.
4. The command code, response code,
and response data are set w hen the
V ision Sensor completes exec u tion
of the command.
6. W hen the PLC detects that the
Control Command Completed (FLG)
signal is O
N , it t u rns OFF the Control
Command Exec u tion Bit (EXE) signal.
7. W hen the V ision Sensor detects that
the Control Command Exec u tion Bit
(EXE) signal is OFF, it t u rns OFF the
Control Command Completed (FLG)
signal and the Command Exec
u tion
Acti v e (BUSY) signal, and t u rns O N
the READY signal.
* If the PLC does not t u rn OFF the
Control Command Exec u tion Bit (EXE)
signal w ithin the time that is set for the
retry inter v al in the PLC Link settings,
the Control Command Completed
(FLG) signal and Command Exec
u tion
Acti v e (BUSY) signal w ill b e forced
OFF.
5. The Control Command Completed
(FLG) signal t u rns O N .
*
O N
OFF
O N
OFF
O N
OFF
O N
OFF
O N
OFF
READY signal
O N
OFF
O N
OFF
O N
OFF
O N
OFF
Control Command
Exec
u tion Acti v e