Baldor MN1274 06/2001 installation manual Rectifier and regeneration, Resolver feedback

Models: MN1274 06/2001

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6.1.3Rectifier and regeneration

6.1.3Rectifier and regeneration

Rectifier

 

 

 

 

 

Unit

 

 

 

All models

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input voltage (±15%, f=50~60Hz)

 

 

 

 

 

 

 

Vin=230VAC

 

Vin=115VAC

 

Nominal

 

 

VAC

 

230

 

 

115

 

Minimum

 

 

 

 

190

 

 

90

 

Maximum

 

 

 

 

265

 

 

130

 

 

 

 

 

 

 

 

 

 

 

 

 

DC-Bus voltage (absolute)

Minimum

 

VDC

 

270

 

 

125

 

Maximum

 

 

360

 

 

175

 

 

 

 

 

 

 

Regeneration

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit

 

2.5A*

 

5A*

 

7.5A

10A

 

15A

 

 

 

 

 

 

 

 

Switching threshold Vin=230VAC

VDC

 

on:373~383, off:362~372

on:373~383, off:362~372

V =115VAC

 

on:188~195, off:183~188

on:188~195, off:183~188

in

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal power

kW

 

 

 

0.25

 

 

 

 

1.0

 

 

 

 

 

 

 

 

 

 

 

Peak power

kW

 

 

 

2.7

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

Maximum regeneration

ARMS

 

 

 

10

 

 

 

 

40

switching current

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum load inductance

mH

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Note: 2.5A model contains an internal 320Ω, 20W resistor 5A model contains an internal 175Ω, 30W resistor.

6.1.4 Resolver feedback

 

Unit

All models

 

 

 

Resolution

bits

Velocity <6100RPM: 14 bits

set automatically by software

Velocity >6100RPM: 12 bits

 

 

 

 

Pole pairs

-

1

 

 

 

Resolver winding ratio

-

0.5

 

 

 

MintDrive resolver input accuracy

counts

±2

 

 

 

Typical combined accuracy using

counts

±4

Baldor BSM series resolver motor

 

 

81

Page 93
Image 93
Baldor MN1274 06/2001 installation manual Rectifier and regeneration, Resolver feedback