Response Frames - Omron E5AR-T User Manual

■ Response Frames

● End Codes
End
Name
code
"0F" FINS command error
"10" Parity error
"11" Framing error
"12" Overrun error
"13" BCC error
"14" Format error
"16" Sub-address error
"18" Frame length error
"00" Normal end
End
STX Node No.
Sub-address Code
02H "00"
Bytes:
1 2 2 2
A code that indicates the beginning of the commu-
STX nications frame (02H). This code is always set in
the leading byte.
The unit number that was specified in the com-
Node No. mand frame is returned here. This is the unit num-
ber of the responding E5AR-T/ER-T.
Sub-address Not used on the E5AR-T/ER-T. Always set to "00."
Returns the result of execution for the command
End code
frame.
FINS-mini Text of the response.
response text
ETX A code that indicates the end of the text (03H).
Block Check Character
BCC This byte stores the result of the BCC calculation
from the node number through EXT.
Meaning
Could not execute the specified FINS command.
Sum of bits that are "1" in received data does not agree with the
communications parity.
Stop bit of command frame characters is 0.
Attempted to transfer new data when reception data buffer is
already full.
Calculated BCC is different from received BCC.
Characters other than "0" to "9" or "A" to "F" are contained in
the FINS-mini Command Text or, for Echoback Test, data other
than the test data was returned.
No SID and FINS-mini Command Text, or no FINS-mini Com-
mand Text.
MRC/SRC are not correct in FINS-mini Command Text.
No sub-address, SID, or FINS-mini Command Text; or
sub-address is less than 2 characters and no SID and FINS-
mini Command Text.
The command frame exceeds the specified number of bytes.
Command was executed normally without error.
Supplement
A response is not sent to command frames that do not end with the
ETX.BCC characters.
FINS-mini
ETX BCC
response text
03H
1 1
6.2 Frames
Error
detection
priority
8
2
1
3
5
7
6
4
None
6-5