WARNING! DO NOT connect or disconnect power leads

when power is applied! Disconnect the AC power side to power down the DC power supply.

Example B: AC Power to Full Wave Bridge Cabling Over 50 Feet

Transformer - 10 to 28 VAC RMS for 48 VDC Systems

NOTE:

Connect the cable illustrated

20 to 48 VAC RMS for 75 VDC Systems

in Figure 2.2.2 to the output of

 

 

the Full Wave Bridge

ΠType RFI Filter

ρ Required Current

Shielded Twisted Pair

 

 

+

Shield to Earth Ground

on Supply End Only

Cable Length

as required

-

Full Wave Bridge

Figure 2.2.4: AC To Full Wave Bridge Rectifier, Cabling over 50 Feet

Example C – Cabling 50 Feet or Greater, AC Power to Power Supply

 

Shielded Twisted Pair

NOTE:

 

Π Type RFI Filter

Connect the cable illustrated

 

in Example A to the output of

 

ρ Required Current

the Power Supply

120 or 240 VAC

 

+ DC Volts Out

Dependent on

 

Power Supply

 

-

 

Cable Length

 

Shield to Earth Ground

as required

 

 

 

on Supply End Only

 

 

Power Supply

Figure 2.2.5: AC Cabling - 50 Feet or Greater - AC To Power Supply

MForce PowerDrive Recommended Power Supply Cable AWG

 

1 Amperes (Peak)

 

 

 

3 Amperes (Peak)

 

 

Length (Feet)

10

25

50*

75*

100*

Length (Feet)

10

25

50*

75*

100*

Minimum AWG

20

20

18

18

16

Minimum AWG

18

16

14

12

12

 

2 Amperes (Peak)

 

 

 

4 Amperes (Peak)

 

 

Length (Feet)

10

25

50*

75*

100*

Length (Feet)

10

25

50*

75*

100*

Minimum AWG

20

18

16

14

14

Minimum AWG

18

16

14

12

12

*Use the alternative methods illustrated in examples B and C when cable length is ≥ 50 feet. Also, use the same current rating when the alternate AC power is used.

Table 2.2.1: Recommended Wire Gauges

10

Microstepping MForce PowerDrive Manual Revision R040507

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Intelligent Motion Systems MForce Series Microstepping PowerDrive Transformer 10 to 28 VAC RMS for 48 VDC Systems