Example B: Motor Cabling Greater Than 50 Feet
Common Mode
Line Filters (2x)
*L ζ 0.5 MH
A 
PowerDriveMForce A 
Phase Outputs B 
B 
Shield to Earth Ground on Supply End Only
Cable Length
as required
Shielded/Twisted Pair
Ferrite Beads 
Motor
Connections
A
A
B 
B
*0.5 MH is a typical starting point for the Common Mode Line Filters. By increasing or decreasing the value of L you can set the drain current to a minimum to meet your application’s requirements.
Figure 2.3.8: Motor Cableing Greater than 50 Feet
Recommended Motor Cable AWG Sizes
MForce PowerDrive Recommended Motor Cable AWG
1 Amperes (Peak)
Length (Feet) |
| 10 | 25 | 50* | 75* | 100* |
|
|
|
|
|
|
|
Minimum AWG |
| 20 | 20 | 18 | 18 | 16 |
| 2 Amperes (Peak) |
|
| |||
|
|
|
|
|
| |
Length (Feet) |
| 10 | 25 | 50* | 75* | 100* |
Minimum AWG |
| 20 | 18 | 16 | 14 | 14 |
|
|
|
|
|
|
|
| 3 Amperes (Peak) |
|
| |||
|
|
|
|
|
| |
Length (Feet) |
| 10 | 25 | 50* | 75* | 100* |
|
|
|
|
|
|
|
Minimum AWG |
| 18 | 16 | 14 | 12 | 12 |
|
|
|
|
|
|
|
| 4 Amperes (Peak) |
|
| |||
|
|
|
|
|
| |
Length (Feet) |
| 10 | 25 | 50* | 75* | 100* |
Minimum AWG |
| 18 | 16 | 14 | 12 | 12 |
|
|
|
|
|
|
|
5 Amperes (Peak)
Length (Feet) | 10 | 25 | 50* | 75* | 100* |
|
|
|
|
|
|
Minimum AWG | 16 | 16 | 14 | 12 | 12 |
| 6 Amperes (Peak) |
|
| ||
|
|
|
|
|
|
Length (Feet) | 10 | 25 | 50* | 75* | 100* |
Minimum AWG | 14 | 14 | 14 | 12 | 12 |
|
|
|
|
|
|
| 7 Amperes (Peak) |
|
| ||
|
|
|
|
|
|
Length (Feet) | 10 | 25 | 50* | 75* | 100* |
|
|
|
|
|
|
Minimum AWG | 12 | 12 | 12 | 12 | 12 |
|
|
|
|
|
|
*Use the alternative methods illustrated in example B when cable length is ≥ 50 feet. Also, use the same current rating when the alternate AC power is used.
Table 2.3.1: Recommended Wire Gauges
Part 2: Interfacing and Configuring | 17 |
