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Appendix MV600/V620 ID Controller Protocol
382
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)
01 to 0A (1 to 10 bytes)
N: Number of Heads
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Number of receive data words
+0
+1
+5
+6
+10
+11
+15
+71
+75
~ ~
Read data
Read data
CH 1
CH 2
Not used
~ ~
Not used
~ ~
~ ~
Read data
Read data
CH 8
Read data
~ ~
Read data
Offset Contents (data format) Data
+0 Number of receive data
words (4 digits BCD)
0002 to 0076
+(10(N–1)+1) to
+(10(N–1)+5)
Read data (CH 1)
(Hexadecimal)
Number of read bytes stored in hexadecimal
data
N: Number of Heads
Note Data for Data Carriers designated for hexadecimal is sent beginning with the largest offset from the receive
data words.
Auto-read (ASCII/1) (Sequence No. 508)
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. 500 (Read (ASCII/1)).
Receive Data Word Allocation (3rd Operand of PMCR)
The receive data word allocation is similar to that of Sequence No. 500 (Read (ASCII/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.