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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
1
2
(
A
ADR:
Starting register:
Bank:
N:
Sum:
Response message format (T3H
1
2
(
A
Data:
38
PROSEC T3H
3
4
5
6
7
8
9
ADR
M R
Starting register
Station address ... 01 to 32
For 8 k words per bank ..... F0000 to F8191
For 64 k words per bank ... f0000 to f65535 (bank 1)
For 8 k words per bank ..... 1 to 15
For 64 k words per bank ... 1 to 2
Number of registers to be read ... 1 to 61 (61 words max.)
Check sum
3
4
5
6
7
8
9
ADR
Data #1
M R
Data in hexadecimal
T3H):
10 11 12 13 14 15 16 17 18 19 20 21 22 23
,
Bank
Can be shortened
f0000 to f57343 (bank 2)
Host):
10 11 12 13 14 15
Data #2
Data #N-1
Data #N
,
N
&
Sum
)
Can be omitted
Upper case F
Lower case f
n-5 n-4 n-3 n-2 n-1
&
Sum
)
CR
n
CR
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