Omron CQM1H-SCB41 Operation Manual page 390

V600/V620 ID Controller Protocol
Read (ASCII/2) (Sequence No. 501)
This sequence is used when the number of Heads to be read from 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
Receive Data Word Allocation (3rd Operand of PMCR)
Receive data
storage words
Note Data from Data Carriers designated for ASCII is stored beginning with the smallest offset from the
receive data words.
+0 Number of send data words
+1 Number of Heads
(Undefined)
+2
+3 (Undefined)
+4
Leading address No.
(Undefined)
+5
(Undefined)
+6
(Undefined)
+7
+8
Leading address No.
(Undefined)
+9
Offset Contents (data format)
+0 Number of send data
words (4 digits BCD)
+1 Number of Heads
(4 digits BCD)
+(4(N–1)+2) Unit No. (2 digits BCD)
+(4(N–1)+3) R/W Head CH No.
(1 digit BCD)
+(4(N–1)+4) Leading address No.
(4 digits Hexadecimal)
+(4(N–1)+5) Read bytes
(2 digits Hexadecimal)
N: Number of Heads
Number of receive data words
+0
+1 Read data
~
Read data
+59
Not used
+60
Read data
+61
~
Read data
+119
Offset Contents (data format)
+0 Number of receive data
words (4 digits BCD)
+(60(N–1)+1) to Read data (ASCII)
+(60(N–1)+59)
N: Number of Heads
Unit No.
Head CH No.
CH 1
Read bytes
Unit No.
Head CH No.
CH 2
Read bytes
0006 to 0010
0001 to 0002
Arbitrary (However, there is a limit for the
maximum Unit No. depending on the
model)
R/W Head CH 1 designation: 1
R/W Head CH 2 designation: 2
The CD1D must be set to 1.
0000 to FFFF
01 to 76 (1 to 118 bytes)
~
CH 1
CH 2
~
0002 to 0120
Number of read bytes store in ASCII
Appendix M
Data
Data
375