Omron FH series User Manual page 199

Signal Signal name
GATE (Used only Data Output
for handshaking Completion Sig-
output control.) nal
Flow Command
XFLG
Completion Bit
Flow Command
XBUSY
Busy Bit
Flow Command
XWAIT
Wait Bit
Vision System FH/FZ5 Series User's Manual
for Communications Settings (Z342)
Function
This signal tells the user
(PLC) when to read the
data output.
This signal is ON: means
that the data is output from
Sensor Controller.
Read the data (from the
PLC) when this signal turns
ON.
This signal tells when exe-
cution of a command that
was executed during exe-
cution of PLC Link flow
control has been com-
pleted.
This signal tells when a
command that was input
during execution of PLC
Link flow control is being
executed.
This signal tells when input
of a command can be
acknowledged during exe-
cution of PLC Link flow
control.
ON/OFF timing
OFF to ON
• The Result Set Request
(DSA) signal turns ON
after the FH/FZ5
executes the Output Unit
(Data Output Unit) in the
*1
measurement flow ,
preparations for data
output have been
completed, and the
Result Set Request
The signal turns OFF
(DSA) signal is turned
ON. when the user (PLC)
turns OFF the Result Set
*1: This occurs when the
Output Unit is
Request (DSA) signal.
executed as the
measurement flow is
executed in order
from the top. It does
not occur when
execution of a
measurement is
completed.
• If handshaking is
disabled, the signal will
always be OFF.
The signal turns ON
when execution of a com-
mand that was executed The signal turns OFF
during execution of PLC when the Flow Com-
Link flow control has mand Busy (XEXE) signal
been completed (i.e., turns OFF.
when Flow Command
Busy turns OFF).
The signal is ON when a
The signal turns OFF
command that was input
when the Flow Com-
during execution of PLC
mand Busy Bit (XEXE
Link flow control is being
signal) turns OFF.
executed.
The signal is ON when a The signal is OFF when a
command can be input command cannot be input
during execution of PLC during execution of PLC
Link flow control. Link flow control.
Communicating with PLC Link
ON to OFF
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