Omron V640 - MANUAL 2 User Manual page 90

■ Byte Write
Writes data to any specified number of bytes starting from the address specified in the ID Tag.
The maximum number of bytes that can be written at one time is 128.
Command
SOH Node No. Command code
01h 0 4
* Data number n = number of bytes written to (2-character units)
Parameter description
Parameter
Address designation
Write data
Data Segment Area
Response
The response code (when normal: 00) is returned.
Response
SOH Node No.
code
01h 0
Example: Writing to two bytes starting from address 05h of node No.1
Command
SOH Node No.
01h 0 1 0
Response
Response
SOH Node No.
code
01h 0 1 0
The ID Tag status on normal completion is as shown below.
Page 1
Page 2
First
address
Data 1
0 0
Addresses can be specified in the range 00h to 87h.
Up to 128 bytes of write data, starting from the specified address, can be specified.
Refer to page 129.
FCS CR
0 0Dh
Command code First address
4 0 0 0
FCS CR
0 0 1 0Dh
12h 34h
Reading from/Writing to ID Tags
Write data
••• Data n
Description
Write data
Data 1 Data 2
5 1 2 3
SECTION 4
FCS CR
0Dh
FCS CR
4 0 4 0Dh
CIDRW System
User's Manual
87