Appendix MV600/V620 ID Controller Protocol
387
Offset Contents (data format) Data
+0 Number of send data words
(4 digits BCD) 0006 to 0129
+1 Relevant 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 Leading address No.
(4 digits Hexadecimal) 0000 to FFFF
+4 Number of write bytes
(4 digits BCD) 0001 to 0248
+5to
+128 Write data (ASCII) Input in ASCII
Up to 248 bytes (max.) can be set
Receive Data Word Allocation (3rd Operand of PMCR)
None.
Note Write data designated for ASCII is sent beginning with the smallest offset from the send data words.
Write (ASCII/2) (Sequence No. 519)

This sequence is used when the number of Heads to be written to the Carrier is 2. Up to 118 bytes of data can be

read for each Read/Write Head.
Send Data Word Allocation (2nd Operand of PMCR)
First word of send
data Number of Heads
+0
+1
+2
+3
+4
+5
+6
+64
+65
+66
+67
+68
+69
+70
+128
CH 1
Number of send data words
(Undefined) Unit No.
(Undefined) Head CH No.
Leading address No.
CH 2
Number of write bytes
Write data
~ ~
Write data
(Not used)
(Undefined) Unit No.
(Undefined) Head CH No.
Leading address No.
Number of write bytes
Write data
~ ~
Write data