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SECTION 4
When SECS is Not Used
CIDRW System
User’s Manual
SECTION 4
Reading from/Writing to ID Tags
■ 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.
* Data number n = number of bytes written to (2-character units)
Data Segment Area Refer to page 125.
The response code (when normal: 00) is returned.
Example: Writing to two bytes starting from address 05h of node No.1
The ID Tag status on normal completion is as shown below.
SOH Node No. Command code
First
address
Write data
FCS CR
Data 1 ••• Data n
01h 0400 0Dh
Parameter description
Parameter Description
Address designation Addresses can be specified in the range 00h to 87h.
Write data Up to 128 bytes of write data, starting from the specified address, can be specified.
SOH Node No.
Response
code
FCS CR
01h 0 0 0Dh
SOH Node No. Command code First address
Write data
FCS CR
Data 1 Data 2
01h010400051234040Dh
SOH Node No.
Response
code
FCS CR
01h0100010Dh
Page 1 12h 34h
Page 2
Command
Response
Command
Response
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