Omron V600 User Manual page 84

Section 3
Commands
Calculation Write (CW)
The Data Carrier's memory data and calculation data is calculated in hexadecimal and the result is
written to the Data Carrier. If an overflow during addition or underflow during subtraction occurs, the
data will not be written and an error response (end code: 76 = Data check error) will be returned.
Command
Command
Data
setting
code
C W A / S
2 1
Processing specification
Processing area number
setting
Calculation area start
address
Number of calculation
area bytes
Calculation data
Response
Command
code End code
0
C W
2
Calculation data
RFID System
82
User's Manual
Processing Number of
area
Calculation area
calculation
number
start address area bytes
setting
× × × × ×
1
1 4
Specifies the calculation method.
A: Add hexadecimal
S: Subtract hexadecimal
Always 1.
Specifies the start address of the area to be written to in 4-digit hexadecimal.
Setting range: 0000h to 1FFFh
Specifies the number of bytes in the area for calculating data in 2-digit hexadecimal.
Setting range: 01h to 04h
Specifies the numerical values to be calculated in hexadecimal.
Calculation data Terminator
0
2 Specified number of bytes
Returns the calculation result data written to the Data Carrier.
If an overflow during addition or underflow during subtraction occurs, the end code 76 (data check
error) will be returned. The data prior to the calculation will not be added to the response.
Calculation data Terminator
×
2 Specified number of bytes
CR
2
C R
2