7 Ethernet/IP Communications
7 - 8
UHF RFID System V780-series Reader/Writer User’s Manual (EtherNet/IP
TM
) (Z402)
*. Reserved (Resv) bits are for future expansion. They always output 0.
Response Area (from Reader/Writer Target to PLC Originator)
I/O
mem-
ory off-
set
Bit
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
+0
Resv
Resv
Resv
Resv
Resv
Resv
Resv
RF_
WAR
SYS-
_ERR
RF_
ERR
CMD
_ERR
Resv
ERR
NORM BUSY READY
+1
Error code
+2
Response Information 1
+3
Response Information 2
+4
Response Information 3
+5
Update Counter Response
+6
Response Data
(The format depends on the command.)
:
+N
Signal/data
Name
Data
type
Size
Description
READY
*1
Ready
BOOL
1 bit
This bit turns ON when the Reader/Writer completes preparations
and is ready to receive a command.
It is OFF when a command is being executed.
BUSY
Command Execution
Active
BOOL
1 bit
This bit is ON while the Reader/Writer is executing a command.
It is OFF when a command is not being executed.
NORM
*2
Command Comple-
tion
BOOL
1 bit
This bit turns ON when the Reader/Writer completes the execution
of the command.
It turns OFF when the EXE signal is turned OFF.
Alternatively, it turns ON and OFF in sync with the increment of the
update counter.
ERR
*3
Error
BOOL
1 bit
This bit turns ON when the Reader/Writer returns an error
response.
It turns OFF when the EXE signal is turned OFF. Alternatively, it
turns ON and OFF in sync with the increment of the update
counter.
CMD_ERR
Command error
BOOL
1 bit
This bit turns ON when the Reader/Writer returns a command error
response.
It turns ON and OFF in sync with ERR.
RF_ERR
RF Tag Communica-
tions Error
BOOL
1 bit
This bit turns ON when the Reader/Writer returns an RF Tag com-
munications error response.
It turns ON and OFF in sync with ERR.
SYS_ERR
Fatal Error
BOOL
1 bit
This bit turns ON when the Reader/Writer returns a fatal error
response.
It turns ON and OFF in sync with ERR.
RF_WAR
Unstable Communi-
cations
BOOL
1 bit
This bit turns ON when the diagnostics result of execution of an RF
Tag communications command by the Reader/Writer indicates that
communications are unstable.
It turns ON and OFF in sync with NORM.
ErrCode
Error code
WORD 2 bytes This word stores the error code.
RespInfo1
Response Informa-
tion 1
WORD 2 bytes This word stores the Reader/Writer number.
RespInfo2
Response Informa-
tion 2
WORD 2 bytes This word stores communications diagnostic results.
RespInfo3
Response Informa-
tion 3
WORD 2 bytes This word stores the reception level.
Summary of Contents for V780-HMD68-EIP-JP
Page 152: ...6 Functions 6 80 UHF RFID System V780 series Reader Writer User s Manual EtherNet IPTM Z402 ...
Page 321: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual EtherNet IPTM Z402 Index ...
Page 324: ...I 4 UHF RFID System V780 series Reader Writer User s Manual EtherNet IPTM Z402 Index ...
Page 325: ......