Omron V680 Series User Manual page 65

BIT CLEAR
Master Unit to ID Slave
Signal Bit length
CMD3 to 4 0011B
CMD0
LEN7 to LEN0 8 1 to 4
ADDR15 to 16 0000 hex to FFFF hex
ADDR0
W-DATA 32 ---
ID Slave to Master Unit
Signal Bit length
NORMAL 1 0 or 1
ERROR 1 0 or 1
XXX_ERR 9 0 or 1
R-DATA 32 ---
Master Unit to ID Slave Settings Example
Setting Example for Master Unit to DeviceNet ID Slave
The following is an example of executing BIT CLEAR for 3 bytes of data from address 0321 hex in 4-
byte access mode. "100140 hex" is specified to execute BIT CLEAR to turn OFF bit 4 in the first byte of
data, bit 0 in the second byte of data, and bit 6 in the third byte of data.
ID Tag Data
Bit7
1
1 0 0 0 0 0 0 0
2 0 0 1 0 0 0 0 1
3 0 0 0 0 0 0 0 1
The data areas marked with a square
in the figure above will be cleared.
15 14 13
* * *
X ch
Change according to settings.
0 0 0
X 1 ch
0 0 0
X 2 ch
The bit to be cleared is set to 1.
0 0 0
X 3 ch
Value
BIT Clear
Number of BIT CLEAR data bytes
A specification error will occur if 0 hex, or 5 hex or higher is specified.
BIT CLEAR start address
BIT clear data
Valid to the number of BIT CLEAR data bytes.
Value
Set to 1 when operation is ended normally.
Set to 1 if the command ends in an error.
The bit corresponding to error completion will be 1, and the error
details will be displayed.
Write data
Data specified in
the data storage area
Bit0 Bit7
1
0 0 0 1 0 0 0 0
2 0 0 0 0 0 0 0 1
3 0 1 0 0 0 0 0 0
12 11 10 9 8
* * * * 0
Fixed
0 0 0 1 1
Address 0321 hex
0 0 0 0 1
0 0 0 0 0
Fixed
I/O Settings and Control Methods
Description
Description
Data that will be
written to the ID Tag
Bit0 Bit7
1
1 0 0 0 0 0 0 0
2 0 0 1 0 0 0 0 0
3 0 0 0 0 0 0 0 1
Bits
7 6 5 4
0 0 1 1
BIT CLEAR
0 0 1 0
0 0 0 1
The bit to be cleared is set to 1.
0 1 0 0
The bit to be cleared is set to 1.
Section 5
Bit0
3 2 1 0
0 0 1 1
3 bytes
0 0 0 1
0 0 0 0
0 0 0 0
RFID System
User's Manual
63