Omron S8AS, User Manual

Page: 124 / 146

106
Echoback Test
Section 6-7
6-7 Echoback Test
This service performs an echoback test.
■
Service Request PDU
■ Service Response PDU
(1) Test Data
Set values for the test data within the ranges shown below, depending on
the communications data length setting.
(2) Response Codes
MRC SRC
0 8 0 1
2 2
Test Data
0 to 231
MRC SRC
0 8 0 1
2 2 4
Response Code
Test Data
0 to 231
Data length Processing
8 bits ASCII data: 20 to 7E or A1 to FE
7 bits ASCII data: 20 to 7E
Response
code
Error name Cause Error
priority
1001 Command too long The command is too long. 1
0000 Normal completion No error 0