Echoback Test - Omron ZEN-8E Communications Manual

● Response Code

■ Echoback Test

● Test Data
Normal Completion
Response
Name
code
0000 Normal completion
Error Occurred
Response
Name
code
1001 Command too long
1002 Command too short
1100 Parameter error
2203 Operation error
This service performs an echoback test.
Service Request PDU
MRC SRC Test data
0 8 0 1
2 2
Service Response PDU
Response
MRC SRC
code
0 8 0 1
2 2 4
Set between 0 and 19 bytes of user-defined test data.
Set a value for the test data within the ranges shown below according to
the communications data length.
Communications
data length
8 bits ASCII data: H'20 to H'7E or H'A1 to H'FE
7 bits ASCII data: H'20 to H'7E
Do not set the value H'40. No response will be returned.
2.3 Detailed Description of the Services
Description
No errors were found.
Description
The command is too long.
The command is too short.
The write data is out of the setting
range.
Unit error (Memory error occurred,
or unused command was sent.)
0 to 19
Test data
0 to 19
Test Data
31