Chapter 5. Maintenance
56 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.
f. Measure the insulation resistance between Live and Neutral.
g. In all cases the insulation resistance must exceed 2 MΩ.
5.5.3 DC Power Cable
Note: For part AS405-31-1891M0.
a. Prepare to measure continuity using the DMM (item 1, Table 5-3) set to the applicable
resistance range.
b. Measure the continuity between corresponding ADTS connector pin and the
conductors at the open end of the cable using the connectivity Table 5-5 below. The
measured resistance should not exceed 0.5 Ω.
Note: This resistance value is the expected maximum value for the 5 m (16 ft)
cable length supplied.
c. Prepare to measure insulation using the Insulation tester (item 2, Table 5-3), set to
the 500 V range. This test will be most practically performed at the open end of the
cable.
d. Measure the insulation resistance between Gray (+28 V) and Green (Protective
Ground).
e. Measure the insulation resistance between White (0 V) and Green (Protective
Ground).
f. Measure the insulation resistance between Gray (+28 V) and White (0 V).
g. In all cases the insulation resistance must exceed 2 MΩ.
Table 5-4: AC Input Connector
ADTS Pin European Color USA Color Function
1 Brown Black Live
4 Blue White Neutral
EARTH Green/Yellow Green Protective Ground
Table 5-5: DC Input Connector
ADTS Pin Cable Color Function
1 Gray +28 V
2 White 0 V Return
EARTH Green Protective Ground
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