Delta Electronics VFD-VL manual Used with internal power +24Vdc, Used with external power

Models: VFD-VL

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Chapter 2 Installation and Wiring

Figure 2 Wiring/Terminals setting for SINK(NPN) mode and SOURCE(PNP) mode

1

Sink (NPN) mode

2

Source (PNP) mode

 

used with internal power (+24Vdc)

 

used with internal power (+24Vdc)

 

MI1

 

MI1

 

 

MI2

 

MI2

 

 

~

 

~

 

 

MI8

 

MI8

 

 

+24V

 

 

+24V

 

COM

 

 

COM

3

Sink (NPN) mode

4

Source (PNP) mode

 

used with external power

 

used with external power

 

MI1

 

MI1

 

 

MI2

 

MI2

 

 

~

 

~

 

 

MI8

 

MI8

 

 

+24V

 

 

+24V

 

+ COM

 

+

COM

Figure 3 Apply to 1-phase UPS power supply system

1

 

AC motor driv e

 

 

 

Main power 2

R/L1

 

 

1-phase UP S

3

S/L2

or battery

~

 

 

T/L3

Specifications for

EPS/+

1-phase UP S and battery

EPS/-

250VDC (for 230V series)

500VDC (for 460V series)

3

 

 

Timing diagram of M.C. (magnetic contac t or)

1

2

3

Before i nputting emergency power, magnetic c ontactor 1 and 3 are ON and magnetic c ontactor 2 s hould be O FF. Magnetic c ontactor 3 s hould be O N after magnetic c ontactor 1 is ON. Before removing battery and turn

To input emergency power

MI1~8

magnetic c ontactor 2 to be ON,

COM

magnetic c ontactor 1 and 3 shoul d be OFF.

Revision Nov. 2008, VLE1, SW V1.03

2-3

Page 28
Image 28
Delta Electronics VFD-VL manual Used with internal power +24Vdc, Used with external power, Sink NPN mode Source PNP mode