Honeywell Mark III - Manual (Page 55)

HONEYWELL Aerospace Electronic Systems Page 55
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Category A2, Pin Injection Tests (DO-160C Section 22.5.1)
Waveform 3 (DO-160D Section 22, Figure 22-4), Voc/Isc = 250V/10A, and Frequency = 1 Mhz + 20%.
Waveform 4 (DO-160D Section 22, Figure 22-5), Voc/Isc = 125V/25A.
Category E3, Cable Bundle Tests, Cable Induction (DO-160C Section 22.5.2)
Waveform 1 (DO-160D Section 22, Figure 22-2), Vl/It = 300V/600A.
Waveform 3 (DO-160D Section 22, Figure 22-4), Vt/Il = 600V/120A, and Frequency = 1 Mhz and 10 Mhz
Lightning Direct Effects (DO-160D Section 23.0)
Category X, Not Applicable
Icing (DO-160D Section 24.0)
Category X, Not Applicable
ESD (DO-160D Section 25.0)
Category A, Equipment Installed, Repaired, or operated in an Aerospace Environment
DO-160D Marking (DO-160D Appendix A)
[(A2)(F2)W]BBB[(UF)(SCLMY)]EXXXXXZ[EBZ]A[EZ]Z[RRR]M[A2E3]XXA
5.5 Power Requirements
The MARK III is able to accept either 115 Vac 400 Hertz and/or 28 Vdc input power. The unit is designed
so that if both sources are inadvertently connected, the MARK III or aircraft will not be damaged.
The following subsections specify the unit’s power requirements and operating conditions:
5.5.1 115 Vac Input Power Requirements
The MARK III meets DO-160D Section 16.0 category E requirements. It has the following operating voltage
and frequency specifications and input power requirements:
Operating Voltage Operating Frequency Power Consumption
Nominal 115 Vrms
Minimum 97 Vrms
Maximum 134 Vrms
Nominal 400 Hertz
Minimum 320 Hertz
Maximum 480 Hertz
Nominal 50 Watts
Maximum 100 Watts
5.5.2 28 Vdc Input Power Requirements
The MARK III meets DO-160D Section 16.0 category BZ requirements. It has the following operating voltage
and input power requirements:
Operating Voltage Power Consumption