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C.4.2 Control cables
All analog control cables and the cable used for the frequency input must be shielded. Use a double-shielded
twisted pair cable (Figure a) for analog signals. Employ one individually shielded pair for each signal. Do not
use common return for different analog signals.
A double-shielded cable is the best alternative for low-voltage digital signals, but a single-shielded or unshielded
twisted multi-pair cable (Figure b) is also usable. However, for frequency input, always use a shielded cable.
The relay cable needs the cable type with braided metallic screen.
The keypad needs to connect with cables. It is recommended to use the screen cable on complex electrical
magnetic condition.
Note: Run analog and digital signals in separate cables.
Do not make any voltage tolerance or insulation resistance tests (for example hi-pot or megger) on any part of the drive
as testing can damage the drive. Every drive has been tested for insulation between the main circuit and the chassis at
the factory. Also, there are voltage-limiting circuits inside the drive which cut down the testing voltage automatically.
Note: Check the insulation of the input power cables according to local regulations before connecting
the cables.
The inverter
CV50-008-4F
CV50-015-4F
CV50-022-4F
CV50-040-4F
CV50-055-4F
CV50-075-4F
CV50-110-4F
CV50-150-4F
CV50-185-4F
CV50-220-4F
CV50-300-4F
CV50-370-4F
CV50-450-4F
CV50-550-4F
CV50-750-4F
CV50-900-4F
CV50-1100-4F
CV50-1320-4F
CV50-1600-4F
CV50-1850-4F
120*2P
CV50-2000-4F
120*2P
CV50-2200-4F
150*2P
CV50-2500-4F
150*2P
CV50-2800-4F
185*2P
CV50-3150-4F
185*2P
CV50-3500-4F
CV50-4000-4F
CV50-5000-4F
120*4P
Peripheral Options and Parts Appendix C
Recommended cable size (mm
R,S,T
PE
U,V,W
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
4
4
6
6
10
10
10
10
16
16
25
16
25
16
35
16
50
25
70
35
95
50
120
70
150
70
185
95
240
95
150
95*2P
150
95*2P
150
95*2P
150
120*2P
185
120*2P
185
120*2P
95*4P
95*2P 150*2P
95*4P
95*2P 150*2P
95*2P
95*4P
2
)
Terminal screw
P1(+)
PB(+)(-)
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
4
2.5
6
4
10
4
10
6
16
10
16
10
25
16
35
25
50
25
70
35
95
35
120
70
150
95
185
50
50
50
50
95
95
95
120
120
120
Screw
Tightening torque
size
M4
1.2~1.5
M4
1.2~1.5
M4
1.2~1.5
M4
1.2~1.5
M5
M5
M5
M5
M6
M6
M8
M8
M8
M10
M10
M10
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
M12
(Nm)
2~2.5
2~2.5
2~2.5
2~2.5
4~6
4~6
9~11
9~11
9~11
18~23
18~23
18~23
31~40
31~40
31~40
31~40
31~40
31~40
31~40
31~40
31~40
31~40
31~40
31~40
135 - 144
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