INVT GD270-030-4 - Page 126

Goodrive270 series VFD for fan and pump Basic operation guidelines
-116-
Table 5-3 Motor reducing logic with fixed variable-frequency motors
RO1
RO2
RO3
RO4
Motor 1
Motor 2
Motor 3
Motor 4
1 1 1 1
Variable
frequency
Power
frequency
Power
frequency
Power
frequency
1 1 1 0
Variable
frequency
Power
frequency
Power
frequency
Stop
1 1 0 0
Variable
frequency
Power
frequency
Stop Stop
1 0 0 0
Variable
frequency
Stop Stop Stop
0
0
0
0
Stop
Stop
Stop
Stop
5.5.18.2 Main circuit wiring diagram of one driving four in cyclic variable-frequency pump
logic
Table 5-4 Motor adding logic with cyclic variable-frequency motors
RO1
RO2
RO3
RO4
Motor 1
Motor 2
Motor 3
Motor 4
0
0
0
0
Stop
Stop
Stop
Stop
1 0 0 0
Variable
frequency
Stop Stop Stop
0
0
0
0
Stop
Stop
Stop
Stop
0 1 0 0 Stop
Variable
frequency
Stop Stop
1 1 0 0
Power
frequency
Variable
frequency
Stop Stop
1 0 0 0
Power
frequency
Stop Stop Stop
1 0 1 0
Power
frequency
Stop
Variable
frequency
Stop
1 1 1 0
Power
frequency
Power
frequency
Variable
frequency
Stop
Table 5-5 Motor reducing logic with cyclic variable-frequency motors
RO1
RO2
RO3
RO4
Motor 1
Motor 2
Motor 3
Motor 4
1 1 1 0
Power
frequency
Power
frequency
Variable
frequency
Stop
0 1 1 0 Stop
Power
frequency
Variable
frequency
Stop
0 0 1 0 Stop Stop
Variable
frequency
Stop
0
0
0
0
Stop
Stop
Stop
Stop