— 9-1 — 
9. Details of Command and Parameter 
9.1. Handling Instruction of Command and Parameter 
9.1.1. Character String of Command 
 There shall be no discrimination between lowercase and uppercase characters in command 
character strings. For example, input of “VGLENT” or “vg1ENT” will be processed as the 
same. 
 The command will be properly processed regardless of whether placing a space between the 
command code and the data.   
 An error occurs if you don’t attach the data to a command that requires it. Be sure to input the 
data even it is 0 (zero). 
9.1.2. Grammar of Command 
Table 9-1: Grammar for Command   
Category Function  Execution  Grammar  Example 
Command 
Command the Driver 
Unit for execution of 
operation or processing   
Some commands do not 
entail data entry.   
Execution of 
command 
Command code + Data + CR 
•  90 [°] incremental 
positioning  
 
ID9000 
Data setting 
Command code + Data + CR 
•  Velocity 0.5 [s
-1
] 
 
MV0.5 
Readout of 
data. 
? + Parameter code+CR 
•  Read out velocity.   
 
?MV 
Parameter 
Sets the operating 
conditions of internal 
function of Driver Unit. 
Continuous 
readout of 
data 
Parameter code + /RP + CR 
of 
? + Parameter code + /RP + 
CR+ 
•  Continual readout of 
velocity.  
MV/RP 
  or  
?MV/RP 
Data. 
monitoring 
Monitor code + CR 
or 
? + Monitor code + CR   
•  Monitor of position 
scale data in units of 
angle 
TD 
Or  
?TD 
Monitor  
Monitors internal 
conditions of Driver 
Unit.  
Continuous 
data 
monitoring 
Monitor code + /RP + CR   
or 
? + Monitor code + /RP + CR 
•  Monitor of position 
scale data in units of 
angle 
TD/RP 
  or 
?TD/RP 
ÚCR is an abbreviation of Carriage return (0DH).