Toshiba TC-net 100, Instruction Manual

Page: 102 / 134

7. How to set the environment for OPC Server
94
In *1 area, the following information is written.
- Reading Cycle which is set per block.
- The Number of blocks accessed per block (This is number of words.)
- Maximum, Minimum and Average of time which is taken to do the process (Unit : micro
second)
- Maximum, Minimum and Average of time which is taken to read actually (Unit : ms)
In *2 area, the following information is written.
- The Number of blocks accessed per block when you make the setting value of
“
Scan
memory access
”
move from 8 to 256
- The Number of accessed when you make the setting value of
“
Scan memory access
”
move
from 8 to 256
- The Time for the procedure (Unit : micro second)
The setting value
“
DmaBlockNum
”
of
“
Scan memory access
”
is one in the line where the
value of
“
ProcTime
”
parameter is the minimum.
According to the above sample,
“
ProcTime
”
parameter in the line with underline is
minimum (4527) and so you use the
“
DmaBlockNum = 96
”
here.
About how to change the setting value, please refer to
“
Change the prescribed value of JTNI
(PCI Express Card) and JTGI Scan Memory Access Performance
”
of
“
7.1
”
.