Mag-Probe Locomotive Interface Unit Relay Test
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Here is the Bartol Mag-Probe Locomotive Interface Unit Relays Test
Testing EPIC Control Portion Magnet Valves – EPIC 3102/II – Locomotive Interface Unit Relay
Testing Locomotive Interface Unit Relays
MagProbeUsing a Bartol Mag-Probe
Place the Mag-Probe near the locomotive interface unit relay coil to be Tested. Relay numbers can be identified by the silkscreening on the printed onThe Printed Circuit Board.
If the Relay being Tested is Energized the Mag-Probe
LED will be illuminated
If the Relay being Tested is Energized the Mag-Probe
LED will be illuminated
(AS Shown Above)
(Special Note) The Mag-Probe Can Not be Used to Test High Current Output Relays (17-21). In the Locomotive Interface Unit Due to one set of the Two Exposed Contacts ALWAYS being Energized and the Relay ALWAYS indicated on.
To Test High Output Current Relays (17 -21) Depress the Contacts as Shown. Contact Movement Indicates the Relay is De-Energized.
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