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Table ldc – AMETEK Compact i/iX Series Software Manual User Manual

Page 200

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User Manual

– Rev H

California Instruments

Avionics Software

200

8.4.1.5

Table LDC:

Test No.

Section

Subject

Test Limits

Comment

File Ref.

LDC101

Steady State Voltage

32 to 24 Volts RMS

DO160 16.6.1.1.b

LDC101

LDC101

APU

Steady State Voltage

32.5 to 23.5 Volts RMS

DO160 16.6.1.1.b

LDC101-APU

LDC102

Voltage Transients

Surge to 36V max, Sag to 18.5V min

Per Table LDC 102-1

LDC102

LDC102

APU

Voltage Transients

Surge to 40V max, Sag to 17V min

Per Table LDC 102-APU

LDC102-APU

LDC103

Voltage Ripple

Maximum 5kHz ripple.

Test performed in ripple window.

LDC103

APU

Voltage Ripple

Maximum 5kHz ripple.

Test performed in ripple window.

LDC104

Voltage Spikes

Requires Additional Equipment

LDC105

Inrush Current

Test requires multiple load cables

Test not performed with software

LDC105

APU

Inrush Current

Test requires multiple load cables

Test not performed with software

LDC106

Voltage Variations Due to APU Starting

Start at 12.5V, ramp up to 26.5V

Per Figure 13, Appendix B

LDC106

LDC107

DC Ripple Voltage Due to Equipment

Requires Additional Equipment

LDC108

Voltage Spike due to Equipment Load Switching

Requires Additional Equipment

LDC109

Compatibility with SEPDC Voltage Clipping Devices

Requires Additional Equipment

LDC201

Abnormal Voltage Transients

36 to 0 Volts

DO160 16.6.2.4.c and 16.6.2.3.b

LDC201

LDC201

APU

Abnormal Voltage Transients

46 to 0 Volts

DO160 16.6.2.4.c and 16.6.2.3.b

LDC201-APU

LDC301

Emergency Steady State Voltage

32 to 18.5 Volts

DO160 16.6.1.1.b

LDC301

LDC302

Emergency Voltage Ripple

Maximum 5kHz ripple.

Test performed in ripple window.

LDC303

Emergency Inrush Current

Test requires special cables

Test not performed with software

LDC401

Transparency Time

3ms dropouts

Per Figure LDC 401-1

LDC401

LDC401

APU

Transparency Time

10ms dropouts

Per Figure LDC 401-1

LDC401-APU

LDC402

Voltage Switching Transients 1

Test Conditions 1-18

Per Figure LDC 402-1

LDC402

LDC402

APU

Voltage Switching Transients 1

Test Conditions 1-17

Per Figure LDC 402-APU

LDC402-APU1

LDC402

APU

Voltage Switching Transients 1

Test Conditions 18-27

Per Figure LDC 402-APU

LDC402-APU2

LDC402

APU

Voltage Switching Transients 1

Test Conditions 28-36

Per Figure LDC 402-APU

LDC402-APU3

LDC402

APU

Voltage Switching Transients 1

Test Conditions 37-42

Per Figure LDC 402-APU

LDC402-APU4

LDC403

Voltage Switching Transients 2

T=1 to T=100

Per Figure LDC 403-1

LDC403

LDC403

APU

Voltage Switching Transients 2

T=1 to T=49

Per Figure LDC 403-APU

LDC403-APU1