Intelligent Motion Systems MForce Series Microstepping PowerDrive operating instructions

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