3 network support function, 1 ic memory card data access through computer link, Expanded functions – Toshiba PROSEC T3H User Manual
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PROSEC T3H
2. Expanded Functions
2.3 Network support function
2.3.1
IC memory card data access through computer link
The expanded file register data stored in the IC memory card can be read/written
through RS-485 computer link.
There are two types of data storage format for the IC memory card. They are 8 k
words per bank and 64 k words per bank. (Refer to XFER instruction)
Note that the computer link command for these formats are slightly different.
Expanded file register data read [MR]
Request message format (Host
→
T3H):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
( A ADR M R
Starting register
,
Bank
,
N
&
Sum
)
CR
Can be shortened
Can be omitted
ADR:
Station address ... 01 to 32
Starting register:
For 8 k words per bank ..... F0000 to F8191
For 64 k words per bank ... f0000 to f65535 (bank 1)
f0000 to f57343 (bank 2)
Bank:
For 8 k words per bank ..... 1 to 15
For 64 k words per bank ... 1 to 2
N:
Number of registers to be read ... 1 to 61 (61 words max.)
Sum: Check
sum
Response message format (T3H
→
Host):
1 2 3 4 5 6 7 8 9 10
11
12
13
14
15
( A ADR M R
Data #1
Data #2
n-5
n-4
n-3
n-2
n-1
n
Data #N-1
Data #N
&
Sum
)
CR
Data:
Data in hexadecimal
Upper case F
Lower case f