Omron CS1W-SCU21 Operation Manual page 471

V600/V620 ID Controller Protocol
Read (ASCII/1) (Sequence No. 500 (Hex 01F4))
This sequence is used when the number of Heads to be read from the Carrier is 1.
Send Data Word Allocation (3rd Operand of PMCR(260))
First word of send
data
Receive Data Word Allocation (4th Operand of PMCR(260))
Receive data
storage words
Note Data from Data Carriers designated for ASCII is stored beginning with the smallest offset from the
receive data words, as shown in the following diagram.
+0
+1
+2
+3
+4
452
+0 Number of send data words
+1 (Undefined)
+2 (Undefined)
Leading address No.
+3
+4 (Undefined)
Offset Contents (data format)
+0 Number of send data words
(4 digits Hex)
+1 Unit No. (2 digits BCD)
+2 R/W Head channel
(CH) No. (1 digit BCD)
+3 Leading address No.
(4 digits Hex)
+4 Read bytes
(2 digits Hex)
Number of receive data words
+0
Read data
+1
Read data
+2
~
Read data
+122
Offset Contents (data format)
+0 Number of receive data
words (4 digits Hex)
+1 to +122 Read data (ASCII)
Data Carrier
Example for 5 bytes
Each byte (address) in the Data
Carrier contains the code for one
ASCII character.
Unit No.
Head CH No.
Read bytes
0005 (fixed)
00 to 07 (CD1D)
00 to 15 (CA
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 F4 (1 to 244 bytes)
~
0002 to 007B (2 to 123 decimal)
Number of read bytes stored in ASCII
Receive data storage words
+0
+1
+2
Appendix M
Data
#
A)
Data