7-11    
06H : Write Single Register 
     Write a word into register. 
          Ex : Write data (0064H) into register address 0200H and slave ADR= 01 
ASCII Mode 
Query PC Æ Servo 
 
Response ServoÆPC (OK)
 
Servo Æ PC (ERROR)
STX  ‘ : ’    STX  ‘ : ’    STX  ‘ : ’ 
‘ 0 ’    ‘ 0 ’    ‘ 0 ’ 
ADR 
‘ 1 ’   
ADR 
‘ 1 ’   
ADR 
‘ 1 ’ 
‘ 0 ’    ‘ 0 ’    ‘ 8 ’ 
Function Code 
‘ 6 ’   
Function Code 
‘ 6 ’   
Function 
Code 
‘ 6 ’ 
‘ 0 ’    ‘ 0 ’    ‘ 0 ’ 
(Hi) 
‘ 2 ’   
(Hi) 
‘ 2 ’   
Exception 
code 
‘ 3 ’ 
‘ 0 ’    ‘ 0 ’    ‘ 7 ’ 
Register 
ADD 
(Lo) 
‘ 0 ’   
Register 
ADD. 
(Lo) 
‘ 0 ’   
LRC 
‘ 6 ’ 
‘ 0 ’    ‘ 0 ’    END1 (CR)  (0DH) 
‘ 0 ’    ‘ 0 ’    END0 (LF)  (0AH) 
‘ 6 ’    ‘ 6 ’       
Write data 
(word) 
‘ 4 ’   
Write data 
(word) 
‘ 4 ’       
‘ 9 ’    ‘ 9 ’       
LRC 
‘ 3 ’   
LRC 
‘ 3 ’       
END1 (CR)  (0DH)    END1 (CR)  (0DH)       
END0 (LF)  (0AH)    END0 (LF)  (0AH)       
 
RTU Mode 
Query  PC Æ Servo 
 
Response Servo ÆPC (OK)
 
Servo Æ PC (ERROR)
ADR  01H 
 
ADR  01H 
 
ADR  01H 
Function Code  06H 
 
Function Code  03H 
 
Function Code  86H 
(Hi) 02H 
 
(Hi) 02H 
 
Exception 
code 
03H 
Register 
ADD 
(Lo) 00H 
 
Register 
ADD. 
(Lo) 00H 
 
CRC(Lo)  02H 
00H 
 
00H 
 
CRC(Hi)  61H Write data 
(word) 
64H 
 
Write data 
(word) 
64H 
   
CRC(Lo)  89H 
 
CRC(Lo)  89H 
   
CRC(Hi)  99H 
 
CRC(Hi)  99H