47 
 
+V
AC Drive
A1
Main frequency gain
AC
-V
Analog input common
-10V,20mA power supply
10V,20mA power supply
0 to 20mA or
4 to 20mA
V I
Dip Switch A2
 
Figure 6.2 Setting Frequency Command as a Current Signal at Terminal A2 
 
Ensure DIP switch A1 is place d to I (current). 
□  Switching between Main /Auxiliary Frequency Command 
If analog input terminal A1 is set to 3 ( Auxiliary Frequency Command), the multi-speed step 
1 will  follow analog  input  frequency command,  for  more  detail  please  refer to table 6.12   
“Multi-Step Speed Command and Multi-Function Terminal Combinations” 
2 : Terminal UP/DOWN 
Use digital input terminals S1 to S6 to increase or decrease the frequency.   
3 : Modbus Communication 
Allows  frequency  command  via  the  Modbus  communication.  Make  sure  RS-485/422  serial 
communications port is connected to RJ45. For more details please refer to Chap.11     
   
  b1- 01  Run Command Selection 1       
Selects the run command source for the REMOTE mode.   
0 : Keypad 
Allows the run command via the RUN key on the keypad.