YASKAWA E7U Programming Manual page 44

Specifications
50Hz
60Hz Saturation
50Hz Saturation
72Hz
Torque 1
50Hz
Torque 2
Torque 1
60Hz
Torque 2
If one of the custom V/f patterns is selected, then parameters E1-04 through E1-13 will determine the V/F pattern.
Table 5 is for 240V class units only. For 480V class units multiply the voltage value by 2.
IMPORTANT
E1-04 Maximum Output Frequency
Setting Range: 0.0 to 120.0 Hz
Factory Default: 60.0 Hz
E1-03 V/f Pattern *1
(V)
230
0
17
10
0 1.3 2.5
(V)
1
230
F
17
2
10
0 1.5 3.0
(V)
230
3
17
10
0 1.5 3.0
(V)
Variable
4
230
57
Variable 40
5
10
9
0 1.3
(V)
Variable
6
230
57
Variable 40
7
10
9
0 1.5
When a factory Initialization is performed, the setting of E1-03 is unaffected but the settings of E1-04 through
E1-13 are returned to their factory default settings.
Table 5 Preset V/f Patterns
Specifications
0
50Hz
(Hz)
50
2
60Hz
1
F
(Hz)
50 60
3
(Hz)
60 72
5
4
(Hz)
25 50
7
6
(Hz)
30 60
Programming 38
E1-03
High
Starting 8
Torque 1
High
Starting 9
Torque 2
High
Starting A 230
Torque 1
High
28
22
Starting B
17
13
Torque 2
230
90Hz C
17
10
0 1.5 3.0
230
120Hz D
17
10
0 1.5 3.0
V/f Pattern *1
(V)
230
9
8
28
22
15
13
(Hz)
0 1.3 2.5 50
(V)
B
A
(Hz)
0 1.5 3.0 60
(V)
C
(Hz)
60 90
(V)
D
(Hz)
60 120