29 
4. “ ○ ” in the figure is main circuit terminal and “    ” in the figure is control circuit terminal. 
5. For the usage of the control circuit terminal, please refer to section 3.2.   
6. Fig. 3-3 is the wiring diagram for basic operation of model 75kWG/90kWP and below, and Fig. 3-4 is the 
wiring diagram for basic operation of model 90kWG/110kWP and above, special attention should be paid to 
these models: 355 kWP, 355 kWG, 400 kWP, 400 kWG, the main circuit terminal of external braking unit is P, 
N. 
3.2   Wiring and configuration of control circuit 
3.2.1   The arrangement sequence diagram of the control circuit terminals 
 
Fig. 3-5  The arrangement sequence diagram of the control circuit terminals 
3.2.2   Wiring of control circuit terminals 
  Note 
It is suggested to use the wire with cross section area over 1mm
2 
as the connecting wire of the control circuit 
terminals. 
For the terminal function description, please refer to Table 3-3. 
Table 3-3   Table for the functions of interface board terminal 
Type   Terminal  Name  Function  Specification 
Shield PE 
Shield 
grounding  
Used for the grounding of the shielded layer 
of the wire. The shielded layer of the analog 
signal wire, 485 communication wire and 
motor power wire can be connected to this 
terminal. 
Connected to the main circuit 
wiring terminal 
 internally  
Power 
supply 
+10 
+10V power 
supply 
To provide +10V reference power for 
external load 
Allowable maximum output 
current: 10mA 
-10 
-10V power 
supply 
To provide -10V reference power for external 
load 
Allowable maximum output 
current: 10mA 
GND 
+10V/-10V 
power GND 
The reference ground for analog signal and 
+10V/-10V power 
Internal isolated with COM