3-4SectionCommand Types and Responses
44
3-4-8 Management Data Check (MD C/K)
This command makes it possible to write or collate the CRC code in a check
block that the user designates. The CRC code is calculated using the formula
X
16
+ X
12
+ X
5
+ 1 (refer to
3-2-5 DC Memory Check Function
).
1 to 1 Procedure
Command Format
MDC/K1/2XXXXXX*s
Processing
specification
(C for collation and K for calculation)
R/W
Head No.
designation
Start
address number
Check
block byte number
in HEX
(hexadecimal)
code
[03H, 04H, ..., 00H (256 bytes)]
∗
Response Format
MD 0 0 *s
∗
End
code
00: Normal response (for calculation processing time only)
75: Normal data (for collation processing time only)
76: W
arning code (for collation processing time only)
1 to N Procedure
Command Format
MDC/K1/2XXXXXX
@ Unit No.
∗
FCS
Processing
speed
(C for collation and K for calculation)
R/W
Head No.
designation
Start
address number
Check
block byte number
in HEX
(hexadecimal)
code
(03H, 04H, ..., 00H (256 bytes) )
00 to 15
Response Format
MD 0 0
End
code
00: Normal response (for calculation processing time only)
75: Normal data (for collation processing time only)
76: W
arning code (for collation processing time only)
∗
FCS@ Unit No.
00 to 15
Note The
number of check
block bytes required is the bytes of the check code calcula
-
tion
area plus two bytes. Refer to
3-2-5 DC Memory Check Function
for details.
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