CHAPTER 2 CompoWay/F COMMUNICATIONS PROCEDURES
H8GN
2-12
This service carries out the echoback test.
MRC SRC
0 8 0 1
2
2
MRC SRC
Response
code
0 8 0 1
2
2
Test data
0 to 23
Test data
0 to 23
Service request PDU
Service response PDU
(1) Test data
Set any test data within the range 0" to 23".
Set a value for the test data within the ranges shown below according
to the communications data length.
Communications
data length
Test data
8 bits
20 to 7E, A1 to FE converted to ASCII code
7 bits
20 to 7E converted to ASCII code
(2) Response code
At normal completion
Response code
Name
Description
0000
Normal completion
No errors were found.
At occurrence of error
Response code
Name
Description
1001
Command too long
Thecommand is too long.
2203
Operation error
CPU or EEPROM error
JEchoback test