Reading Sd Dictionary With External Device; Reading Sd Dictionary By Paralell Input - Panasonic IMAGECHECKER PV230 Manual

4.4 Reading SD Dictionary with External Device

Up to five dictionaries can be registered in the PV230. When performing character recognition using more
dictionaries, dictionaries saved in a SD card can be read by the instruction from an external device.
There are three methods to read dictionaries using an external device.
- Read by parallel input
- Read by general-purpose communication command
- Read by PLC communication command
Dictionary Data and Contents to be Read
Details of dictionary data
Dictionary learning
data
Dictionary image data
Details of dictionary data to be read
Reading dictionary
data
Reading all dictionary
data
When reading dictionary data in RUN menu and switching to SETUP menu, a message saying "Switching
to SETUP MENU. (discarding a SD card dictionary) Do you want to continue? Yes/No" is displayed. Select
"No" to return to RUN menu.
If selecting "Yes" and changing to SETUP menu, the dictionary read from the external device will be
deleted and the previous dictionary will be available.

4.4.1 Reading SD Dictionary by Paralell Input

To read SD dictionary data by parallel input, "Read dictionary from SD" function should be assigned to any one
of ASSIGN0 to 1 and EXTRA0 to 2.
1.
Select "ENVIRONMENT" >
"Input/Output".
2.
Select a signal to be assigned in
"Parallel"
Select "Read dictionary from SD" as an
assigned signal.
IN0 - 7: Input data
For reading dictionary data, specify the dictionary number to be read in IN0 to 7 using binary data.
Example) To read Dictionary No. 11
104
This data is necessary to perform character recognition.
This data is not necessary for character recognition, but necessary to calculate
recognition rate.
Only dictionary data is read.
As image data is not read, recognition rate cannot be used.
(Note that recognition rate is calculated using dictionary images used in SETUP
menu.)
Both dictionary learning data and image data are read.
Recognition rate can be used for reading.
IN7
0
IN6 IN5 IN4 IN3
0 0 0
IN2 IN1 IN0
1 0 1 1