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VAT20 series inverter terminal descriptions
Primary circuitry terminal black (TM1) descriptions
Terminal symbol Function description
L1 (R)
L2 (S)
L3/N (T)
Primary power source input to drive
Single phase (1ph) drives: L1, L2 or L, N
Three phase (3ph) drives: L1, L2, L3
P
R
External braking resistor terminals
(Only for U20-N1K5/N2K2 and U20-X0K7/X1K5/X2K2)
T1 (U)
T2 (V)
T3 (W)
Inverter output to motor
* Tightening torque for TM1 is 0.98, or 12 LBS-IN (U20-N0K2/N0K4/N0K7).
* Tightening torque for TM1 is 1.3 or 16 LBS-IN (U20-N1K5/N2K2 and U20-X0K7/X1K5/X2K2)
* Wire voltage rating must be a minimum of 300V (200V series)/600V (400V series)
VAT20 control circuitry terminal block ( TM2 ) description
Terminal symbol
Terminal function description
1
2
TRIP
RELAY
Fault relay output terminal
Connection point rated capacity 250VAC/1A ( 30VDC / 1A )
3 FWD
4 REV
Operation control terminals (refer to Fn_03)
5 + 12V Common point of terminal 3 / 4 / 6 / 7
6 SP1
7 RESET
Multifunction input terminals (refer to Fn_19)
8 +10V Power terminal of potentiometer ( Pin 3 )
9 Analog input point Analog frequency signal input terminal ( Pin 2 of
potentiometer or positive terminal of 0~10V / 4~20mA /
0~20mA)
10
0V
(FM -)
Analog common point Analog signal common point ( Pin 1 of potentiometer or
negative terminal of 0~10V / 4~20mA / 0~20mA )
11 FM+ Analog output positive
connection point
Analog frequency signal output terminal
Output terminal signal is 0 ~ 10VDC/Fn6
* Tightening torque for TM2 is 0.4 Nm or 5.03 LBS-IN.
* Wire voltage rating must be a minimum of 300V for 200V inverters and minimum 600V
for 400V inverters
* Control wiring should not run in the same conduit or race way with power or motor wiring
* Single Input and Output Terminals (TM2) Ratings are all Class 2
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