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Communications Commands and Responses
Test (TS)
5)
This command returns test messages sent from the host with no change made.
The command is used for testing communications between the host and the Controller.
Command Frame Structure
STX Node No. Command
1
2
Test message
Response Frame Structure
STX
Node No.
1
2
Response code
Test message
6) Memory Check (MC)
This command uses the generating polynomial, X
designated by a user and to compare the results with the check code attached to the check
block.
Command Frame Structure
STX
Node No. Command
1
2
First page of check
block
No. of pages in check
block
Response frame structure
STX Node No.
1
2
Response code
Test message
code
"TS"
2
The number of characters from 0 up to 64 max. is available.
Retry
Command
Response
flag
code
code
"TS"
"00"
1
2
2
00 : Normal completion
For other response codes, refer to 5-10 Response Code List.
Returns the test message received using commands.
First page of
check block
code
"MC"
2
2
Specifies the first page of the check block in HEX.
Setting range: 00h to 09h, FFh
(FFh can be specified only when using Philips' block 4 as user memory. For details,
refer to 2-5 Tag Memory Map.)
Specifies the number of pages in the check block in HEX.
Setting range: 02h to 0Ch
Retry
Command
Response
flag
code
code
"MC"
1
2
2
75: When the check results are correct
76: When the check results are incorrect
For other response codes, refer to 5-10 Response Code List.
Note Philips' block 4 can be used as user memory with Controller software ver-
sions 1.5 or later. The software version can be read with the Version Com-
mand (VS).
ETX BCC
1
1
Test message
+ X
16
No. of
ETX BCC
pages in
check block
2
1
1
ETX BCC
1
1
ETX BCC
1
1
+ X
+ 1 to calculate the check block
12
5
Section 5-3
5-27
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