IDEC WB2F User Manual page 44

1. Overview 2. Installation & wiring
„ Level Activation
If Reading Request is turned ON, symbol reading commences and as long as Reading Request remains ON, symbol read-
ing will continue.
If Read Time Out time is set to infinite, Level activate will occur. For details refer to
page 4-54.
If Reading Request was turned ON by External Input, conditions for activating Stop Reading is one of the following:
Reading Success
z
External Input OFF (Reading Request OFF)
z
To control reading requests using the control command, refer to
each Reading Request] on page
The following timing chart is an example of an operation with External Input.
[Reading Success]
ON
Reading Request
OFF
Illumination time
ON
LED Lighting
OFF
Reading
Reading Processing
Execute
[1]
OK
Data Output
ON
External Output
(OK/NG)
OFF
ON
External Output
(Busy)
OFF
Operation of the External Input and the External Output will vary depending on settings parameters.
z
If Reading Linked Control parameter is enabled, the Status LED (orange) will turn ON when symbol reading is
z
ON. Turns oFF when either the illumination time elapses or symbol reading stops.
If Reading Linked Control parameter is enabled, Status LED (Green/Red) will turn ON when symbol reading
z
stops. Turns oFF when either the illumination time elapses or symbol reading starts.
If Reading Linked Control parameter is enabled, the WB2F will determine Reading Success/Reading Failure or
z
Verification Match/Verification Un-match when symbol reading stops and perform output control based on the
parameters that are set.
3 Operational Check
4-11.
Reading
Result
[1]
OK
4-8
Function
F [4. 6 Configuration Item Table]
F [Start Reading and Stop Reading conditions for
[Reading Failure]
Reading Reading Reading
Execute Execute Execute
[1] [2] [3]
NG NG NG
Reading
5. Appendix
Slave Mode
on
Stop Reading
Result
NG