TECO JSDG2S-100A3-E - Page 519

8-14
08H: Diagnostic Function
Use Sub-function Code 0000H to check the Transmission Signal between Master and Slaver. The Data
Content can be any number.
For example: Use Diagnostic Function on the Driver with ID 01H.
ASCII Mode
Command message PC

Servo
Response message Servo

PC
(OK)
Servo

PC (ERROR)
STX ‘ : ’ STX ‘ : ’ STX ‘ : ’
ADR
‘ 0 ’
ADR
‘ 0 ’
ADR
‘ 0 ’
‘ 1 ’ ‘ 1 ’ ‘ 1 ’
CMD
‘ 0 ’
CMD
‘ 0 ’
CMD
‘ 8 ’
‘ 8 ’ ‘ 8 ’ ‘ 8 ’
Sub-
function
Code
(MSB)
‘ 0 ’
Sub-
function
Code
(MSB)
‘ 0 ’
Error Code
‘ 0 ’
‘ 0 ’ ‘ 0 ’ ‘ 3 ’
(LSB)
‘ 0 ’
(LSB)
‘ 0 ’
LRC
‘ 7 ’
‘ 0 ’ ‘ 0 ’ ‘ 4 ’
Data Content
(word Format)
‘ A ’
Data Content
(word Format)
‘ A ’
END1 (CR) (0DH)
‘ 5 ’ ‘ 5 ’ END0 (LF) (0AH)
‘ 3 ’ ‘ 3 ’
‘ 7 ’ ‘ 7 ’
LRC
‘ 1 ’
LRC
‘ 1 ’
‘ B ’ ‘ B ’
END1 (CR) (0DH) END1 (CR) (0DH)
END0 (LF) (0AH) END0 (LF) (0AH)
RTU Mode
Command message PC

Servo Response message Servo

PC (OK) Servo

PC (ERROR)
ADR 01H ADR 01H ADR 01H
CMD 08H CMD 08H CMD 88H
Sub-function
Code
(MSB) 00H
Sub-function
Code
(MSB) 00H Error Code 03H
(LSB) 00H (LSB) 00H CRC MSB 06H
Data Content
(word Format)
A5H
Data Content
(word Format)
A5H
CRC LSB 01H
37H 37H
CRC LSB DAH CRC LSB DAH
CRC MSB 8DH CRC MSB 8DH