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Preliminary Data Sheet

11

International

Rectifier

IRVR101

Load Response Control Signals to the Regulator (B and C)

B. LRC Ramp time, 0.426-13.2s, 4 bits (2:0 – 2:3), 16 values.

Time for excitation duty cycle to go from 0-100% during soft start and step up in electrical load. Default 3.0 s.

LRC Ramp Time

Byte 2

Bit:

3210

13.2s

1111

12.35s

1110

11.5s

1101

10.65s

1100

9.8s

1011

8.9s

1010

8.1s

1001

7.25s

1000

6.4s

0111

5.55s

0110

4.69s

0101

3.84s

0100

2.99s

0011

2.13s

0010

1.28s

0001

0.426s

0000

C. LRC Ramp cut-off speed, 0- 8000 alternator rpm, 4 bits (2:4 – 2:7), 16 Values.

Over this speed no ramp function is allowed except for the first ramp after start. Default 3000 rpm.

LRC Ramp cut-off

speed (alternator

RPM)

Byte 2

Bit:

7654

Always active

1111

8000

1110

6860

1101

6000

1100

5330

1011

4800

1010

4360

1001

4000

1000

3690

0111

3430

0110

3200

0101

3000

0100

2820

0011

2670

0010

2530

0001

2400

0000