IDEC WB2F User Manual page 43

1. Overview 2. Installation & wiring
„ Edge Activation
After detecting that Reading Request has been activated (OFF → ON), symbol reading will commence.
If the Reading Time Out time has been set to anything other than infinite, Edge activation will occur. For details refer to
F [4. 6 Configuration Item Table]
If Reading Request was turned on by External Input, conditions for activating Stop Reading is one of the following:
Reading Success
z
Reading Timeout Elapsed
z
To control the READ/ENTER button or Reading Request using control commands, refer to
Reading conditions for each Reading Request]
The following timing chart is an example of an operation with the External Input.
[Reading Success]
ON
Reading Request
OFF
Lighting ON Time
ON
Emitter LED
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
z
starts. Turns off when either the illumination time elapses or symbol reading stops.
If Reading Linked Control parameter is enabled, the 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
on page 4-54.
on page 4-11.
[Reading Failure]
Reading Timeout
Reading
Result
[1]
OK
4-7
Function
The filter time is enabled only
if external input is used for read
oeprations
The filter time is enabled only
if external input is used for read
oeprations
Reading Timeout
Reading Reading Reading
Execute Execute Execute
[1] [2] [3]
NG NG NG
Reading
Result
NG
5. Appendix
Slave Mode
F [Start Reading and Stop