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(2) Response frame
1:1 Protocol
Termination code Retransmission
Command code
flag
1:N Protocol
Command code Termination code Retransmission
Node No.
* In the 1:N protocol, a gray part is added.
Name
Termination code
Shows the command execution result.
Retransmission
Flag to show the response to retransmission. This is "1" at retransmission.
flag
Status flag
Code to show the command execution status.
* For any part other than the above-mentioned, the same data as the sent command frame is added and returned.
♦ Retransmission flag
"0"
Response after usual command process.
"1"
Response returned by a request to retransmit data (RR).
♦ Status flag
"0"
Communication status
"1"
Tag data status
"2"
Abort status
"4"
Polling acceptance
Status
Data
flag
n
Status
flag
flag
Calculation range of FCS
Shows that process has been executed correctly.
Shows that the verification result of data check command (MD) is invalid or that
overflow/underflow has occurred in the calculation of a calculation writing com-
mand (CW).
Shows that communication to a tag has been aborted after the start by an abort-
ing command (AA).
Shows that the polling status is enabled by accepting the communication desig-
nation "PA (pa)" or "PI".
5-2 Command Response Format
Terminator
Data
Terminator
Description
5-3
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