NIetz Electric Co.,Ltd
Soft starter SSN/SSA serie User Manual
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5.3 Main circuit wiring
There are six power terminals for SSAseries product. R, S, T(Power line) and U, V, W(Motor
line).See figure F-5
There are nine power terminals for SSN series product. R, S, T(Power line) and U, V, W(Motor line)
and U1,V1,W1(Bypass line).See figure F-6
5.4 Control circuit terminals
There are control circuit terminals on the main control board. This control circuit terminal
provides convenience for the user to realize remote control and external signal control. User
can connect the corresponding terminals according to the actual state. By setting the parameter,
user can select keyboard mode or terminal mode by to control product to start and stop. There
are three terminals, X1(10 bit) and X2(6 bit), for detail see figure 5-2 below.
RET COMSTOP
JOGRUN
SS
X1
Soft Stop
K24 K22 K14 K12 K11
X2
Bypass Control The Fault Outpot
I COM
4-20mA Outpt
K21
Figure 5-2
Free Stop
Run
Jog
Reset
Common
+12V OC
Starting Outpot
Note:
For detail see table 5-1
Note:In SSA series product, There is build-in bypass contactor. External terminals” L” and”
N” are added and External 220V power supply is needed for the product which power is above 90KW.
L N
AC 220V
1 2 3
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