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Appendix MV600/V620 ID Controller Protocol
398
Note 1. Execute Sequence No. 536 before executing Sequence No. 537.
2. Retry processing is not performed for this sequence.
Polling Auto-write (Hexadecimal/8) (Sequence No. 538)
This sequence is used when the number of Heads to be written to the Carrier is 8.
Send Data Word Allocation (2nd Operand of PMCR)
The send data word allocation is similar to that of Sequence No. 525 (Write (Hexadecimal/8)).
Receive Data Word Allocation (3rd Operand of PMCR)
The receive data word allocation is similar to that of Sequence No. 525 (Write (Hexadecimal/8)).
Note 1. Execute Sequence No. 545 (Polling Auto-write Command Processing Cancel) to cancel the polling
auto-write.
2. Retry processing is not performed for this sequence.
Polling Auto-write Subcommand (Hexadecimal/8) (Sequence
No. 539)
This sequence is used when the number of Heads to be written to the Carrier is 8. Up to 10 digits of data can be
written for each Read/Write Head.
Send Data Word Allocation (2nd Operand of PMCR)
The send data word allocation is similar to that of Sequence No. 525 (Write (Hexadecimal/8)). However, the lead-
ing address No., number of write, and write data are not used and become undefined.
Receive Data Word Allocation (3rd Operand of PMCR)
None.
Note 1. Execute Sequence No. 538 before executing Sequence No. 539.
2. Retry processing is not performed for this sequence.
Data Check (Sequence No. 540)
This sequence writes and verifies the CRC code for check blocks designated by the user.
Send Data Word Allocation (2nd Operand of PMCR)
First word of send
data
Number of send data words+0
+1
+2
+3
+4
+5
(Undefined)
Unit No.
(Undefined)
Unit No.
(Undefined)
Head CH No.
Processing designation
(Undefined)
Leading address of check object
(Undefined)
Number of check block
bytes
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
0006 (fixed)
+1 Unit No. (2 digits BCD) 00 to 07 (CD1D)
00 to 15 (CA2A)
+2 R/W Head CH No.
(1 digit BCD)
R/W Head CH 1 designation: 1
R/W Head CH 2 designation: 2
The CD1D must be set to 1.
+3 Processing designation
(2 digits Hexadecimal)
Verification: 43 (C)
Calculation: 4B (K)
Management of number of write times: 4C (L)
+4 Leading address of check
object
(4 digits Hexadecimal)
0000 to FFFF
(If management of number of write times is
designated, H’ jjj0 to H’ jjj5 or H’ jjj8 to
H’ jjjD)
+5 Number of check block
bytes (2 digits
Hexadecimal)
If verification, calculation is designated:
03 to FF (set 00 for 256 bytes)
If management of number of write times is
designated: 00 to FF