8-24 
 
8-1-6 Example of RS-485 communication torque control 
1. Definitions of default digital input pins 
 
 
2. Setting parameters 
Parameters  Description  Setting  Description 
Cn001  Control mode selection  0  Torque control 
Cn002.1 
Auxiliary function-input 
contact CCWL and CWL 
function selection 
1 
Do not use digital input contactsCCWL andCWL 
to controlforwardandreverse directiondrive 
prohibited, ignore theforwardandreverse 
directiondrive prohibited function 
Cn036 Station number setting  1  
Cn037.0 
Modbus RS-485 
communication 
transmission rate 
1 9600 
Cn038.0  Communication protocols  6  8 , N , 2 ( Modbus , RTU ) 
Tn101.1  Torque command selection  1  Use digital Tn113 torque command 
Hn610 
DI10 Multifunction contact 
plan 
H010A  Use negative logic for the SPD1 function 
Hn617 
Digital input contact control 
method selection 
H0021 
The DI1 (SON) and DI6 (RS1) digital input 
contacts are controlled by communication 
 
   
Servo ON (SON)
Abnormal alarm reset (ALRS)
PI/P switch (PCNT)
CCW direction drive prohibited (CCWL)
CW direction drive prohibited (CWL)
External torque command forward/reverse selection 1 (RS1)
Emergency stop (EMC)
Internal speed command selection 1 (SPD1)
Internal speed command selection 2 (SPD2)
Control mode switch (MDC1)
External torque command forward/reverse selection 2 (RS2)
Torque command reverse (TRQINV)