Omron fh-3 series User Manual

Control Flow Fieldbus
862
FH/FZ5 Processing Item Function Reference Manual
7. The controller (master) sets the command code and command parameters to be executed during
measurement, and turns ON the measuring command execution signal (Flow Command Request signal).
(In the above example, this is the Set Unit Data command.)
8. The sensor controller (slave) turns ON the measuring comm
and
executing signal (Flow Command Busy
signal).
9. After setting the echo back of the command code executed during measurement, the response code, and
re
sp
onse data, the sensor controller turns ON the flow command completion signal (Flow Command
Completion signal), and turns OFF the flow command busy signal (Flow Command Busy signal).
10. The controller (master) turns OFF the flow command execu
t
ion signal (Flow Command Request signal). If
the signal does not turn OFF within the set timeout time, the control flow advances directly to step 13.
11. The sensor controller (slave) turns OFF the measu
r
ing command completion signal (Flow Completion
Busy signal).
12. The controller (master) sets the command code and command parameters to be executed during
mea
s
urement, and turns ON the measuring command execution signal (Flow Command Request signal).
(In the above example, the wait state is cleared by Set Unit Data command.)
After this, steps 8 through 11 are performed.
13. When the processing unit finishes measurement proce
ssin
g, the sensor controller (slave) turns OFF the
measuring command standby signal (Flow Command Wait signal).
14. When execution of the measurement flow ends, the sen
s
or controller (slave) turns OFF the Command
executing signal (Busy signal).
Flow Control in EtherNet/IP Communication
The basic timing chart when Control Flow Fieldbus is used with EtherNet/IP communication is shown below.
Example: The measurement command is executed by EtherN
et/IP, and the Set Unit Data command is executed
by Flow Control Fieldbus processing during measurement.
CMD-EXE
Control command execution signal
RES-CODE
Response code
RES-DATA
Response data
CMD-XWAIT
Flow command wait signal
CMD-XEXE
Flow command execution signal
CMD-XBUSY
Flow command busy signal
CMD-XFLG
Flow command completion signal
BUSY
Busy signal
CMD-CODE
Command code
CMD-PARAM
Command parameter
CMD-FLG
Command execution completion signal
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
CMD-CODE
Command code
ON
OFF
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Omron fh-3 series Specifications

General

Brand	Omron
Model	fh-3 series
Category	Accessories
Language	English