6.2 Frames (Communication/CompoWay/F)
6-5
Communication
(CompoWay/F)
■ Response frame
A response is not sent to com-
mand frames that do not end
with ETX.BCC characters.
End codes (Communication/CompoWay/F)
Supplement
STX
Code that indicates the beginning of the communi-
cation frame (02H).
Be sure to set this code in the leading byte.
Node No.
The number that was specified in the command
frame is repeated here.
This is the Unit No. of the responding E5AR/ER.
Sub-address Not used on the E5AR/ER. Set to "00".
End code
Returns the result of the command executed as
instructed by the command frame.
FINS-mini
Response text
Text of the response
ETX Code that indicates the end of the text (03H).
BCC
Block Check Character.
This stores the result of the BCC calculation from
Node No. to EXT.
02H "00"
FINS-mini
response text
End
Code
Sub-address
Node No.STX
1
03H
ETX
1
BCC
1 byte222
End
code
Name Description
Error
detection
order of
priority
"0F" FINS command error Could not execute the specified FINS command. 8
"10" Parity error
Sum of bits that are "1" in received data does not agree
with the set communication parity value.
2
"11" Framing error Stop bit of command frame characters is "0". 1
"12" Overrun error
Attempted to transfer new data because received data
buffer is already full.
3
"13" BCC error Calculated BCC different from received BCC. 5
"14" Format error
Characters other than "0" to "9" or "A" to "F" in FINS-mini
command text. In the case of an echo-back test, when
data other than the test data is sent.
No SID and FINS-mini command text, or no FINS-mini
command text.
"MRC/SRC" not correct in FINS-mini command text.
7
"16" Sub-address error
No sub-address, SID, or FINS-mini command text; or
sub-address less than 2 characters and no SID and FINS-
mini command text.
6
"18" Frame length error
The received frame exceeds the required number of
bytes.
4
"00" Normal end Command was executed normally without error. None
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