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2 CompoWay/F Communications Procedures
E5@C Digital Temperature Controllers Communications Manual (H175)
2-3 De
tailed
Descrip
tion
of
the
Ser
vices
2
2-
3-7 Echoback Test
(3) Response Code
• Normal Completion
• Error Occurred
This service performs an echoback test.
• Service Request PDU
• Service Response PDU
(1) Test Data
Set between 0 and 200 bytes of user-defined test data.
Set a value for the test data within the ranges shown below according to the communications data
length.
(2) Response Code
• Normal Completion
• Error Occurred
Response code Name Description
0000 Normal completion No errors were found.
Response code Error name Description
1001 Command too long The command is too long.
2203 Operation error Non-volatile memory error
2-3-7 Echoback Test
Communications
data length
Test Data
8 bits ASCII data: H'20 to H'7E or H'A1 to H'FE
7 bits ASCII data: H'20 to H'7E
Response code Name Description
0000 Normal completion No errors were found.
Response code Error name Description
1001 Command too long The command is too long.
2203 Operation error Non-volatile memory error
MRC SRC
0 8 0 1
2 2 0 to 200
Test data
MRC SRC
Response
code
0 8 0 1
2 2 0 to 200
Test data
4