94
Data Transfer Programs
Section 8-5
8-5-1
Data Transfer Steps
Take the following steps to transfer data.
1,2,3...
1.
Data Storage Area of Source
Set DM word m+3 and m+4 to the first word number of transfer data, PC
data area, and the number of data blocks.
2.
When Turning ON or Restarting
Data will be transferred from the PC to the data memory area of High-
speed Counter Unit when the High-speed Counter Unit is turned ON or re-
started.
3.
Counter Preset Value Setting
Data can be written to data area or DM area of the PC with ladder pro-
grams or the Programming Console.
A transfer data block uses three words. Six counter preset values with pre-
set value numbers can be transferred at a time. Write these counter preset
values to consecutive words in the same area.
Transfer Data Format (IR and DM Areas of PC)
N: The first word number of the area set in the PC
4.
Data Transfer Execution
Set word n bit 03 to 1 to execute data transfer.
1, 2, 3...
1. Set the data storage area of the source.
2. Turn ON or restart the High-speed Counter Unit.
3. Set the counter preset values or count value.
4. Execute data transfer.
Initial settings
After turning ON or restarting the High-
speed Counter, follow steps 3 and 4 to
transfer data.
Number of transfer
data blocks (01 to 06)
PC data area
Word number
PC data area
First word number of
transfer data
The EM area is available for the C200HX and C200HG PCs.
Counter preset value
number range: 00 to 19
Counter preset value range:
0 to 8,388,607
The above values are in BCD.
Set to 0.
Wd N
Wd (N+1)
Wd (N+2)
Summary of Contents for C200H-CT021
Page 1: ...C200H CT021 High speed Counter Unit Operation Manual Revised December 2000 ...
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