Omron FQ2-S4, User Manual

Page: 388 / 594

PLC Link Connections
386
FQ2-S4 User’s Manual
●
Response Area
Vision Sensor (Slave) to PLC (Master)
First
word Bits Contents
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
+0 ERR Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv READY BUSY FLG Control
signals
(32 bits)
+1 Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv Resv GATE
+2 Command code Com-
mand
code (32
bits)
+3
+4 Response code Response
code (32
bits)
+5
+6 Response data Response
data (32
bits)
+7
Signal Signal name Function Application
FLG Control Command Com-
pleted This signal turns ON when the Vision Sensor
completes execution of the control command. Command/
response commu-
nications
This signal automatically turns OFF when the
Control Command Execution Bit (EXE) signal
from the PLC turns OFF.
This signal turns ON after the control com-
mand code, response code, and response data
have been stored.
BUSY Command Execution
Active This signal is ON while the Vision Sensor is
executing a control command.
It is OFF while the Vision Sensor is not execut-
ing a control command.
READY Ready This signal turns ON when the Vision Sensor
can execute a command. Command/
response commu-
nications
This signal turns OFF when the Vision Sensor
cannot execute a command.
ERR Error This signal turns ON when an error is detected
in the Vision Sensor.
This flag turns ON when an error occurs in
PLC link communications. This signal will
remain OFF for any errors other than PLC Link
communications errors.
Command/
response commu-
nications
This signal turns OFF when the Clear Error
(ERRCLR) signal from the PLC turns ON.
GATE Data Output Completed This signal turns ON when the Vision Sensor
finishes outputting data. Data output after
measurements
If handshaking is enabled, the GATE signal
turns OFF automatically when you turn OFF
the Data Output Request (DSA) signal from the
PLC.
Important