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Appendix MV600/V620 ID Controller Protocol
383
Auto-read (Hexadecimal/1) (Sequence No. 509)
This sequence is used when the maximum number of Heads to be read from the Carrier is 1.
Send Data Word Allocation (2nd Operand of PMCR)
The send data word allocation is similar to that of Sequence No. 504 (Read (Hexadecimal/1)).
Receive Data Word Allocation (3rd Operand of PMCR)
The receive data word allocation is similar to that of Sequence No. 504 (Read (Hexadecimal/1)).
Note For auto-read (AR), a response is not returned if the number of Heads is not read by the Carrier, the Abort Bit
must be turned OFF to terminate the sequence.
Polling Auto-read (ASCII) (Sequence No. 510)
This sequence is used when the number of Heads to be read from the Carrier is from 1 to 8.
Send Data Word Allocation (2nd Operand of PMCR)
First word of send
data
Number of Heads
+0
+1
+2
+3
+4
+5
+(4(N–1)+2)
+(4(N–1)+3)
+(4(N–1)+4)
+(4(N–1)+5)
CH 1
Number of send data words
(Undefined)
Unit No.
(Undefined)
Head CH No.
Leading address No.
(Undefined)
Read bytes
~ ~
(Undefined)
Unit No.
(Undefined)
Head CH No.
Leading address No.
(Undefined)
Read bytes
CH N
* N: Number of Heads
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD)
0006 to 0034
+1 Number of Heads
(4 digits BCD)
0001 to 0008
+(4(N–1)+2) Unit No. (2 digits BCD) Arbitrary (However, there is a limit for the
maximum Unit No. depending on the model)
+(4(N–1)+3) 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.
+(4(N–1)+4) Leading address No.
(4 digits Hexadecimal)
0000 to FFFF
+(4(N–1)+5) Read bytes
(2 digits Hexadecimal)
If number of Heads is 2 or less
01 to 76 (1 to 118 bytes)
If number of Heads is 4 or less
01 to 30 (1 to 48 bytes)
If number of Heads is 8 or less
01 to 20 (1 to 20 bytes)
N: Number of Heads
Receive Data Word Allocation (3rd Operand of PMCR)
None.
Note 1. Execute Sequence No. 510 before executing Sequence No. 511, 512, 513.
2. Execute Sequence No. 544 (Polling Auto-read Command Processing Cancel) to cancel the polling
auto-read.
3. Retry processing is not performed for this sequence.