Pm42 Digitrax. Digitrax PM42 & BDL168, How I connected these parts up, 10+ years ago When the inevitable happens and a train runs into a thrown switch, resulting in a short, the PM42 shuts down the track power in. The Digitrax PM42 is used to segment the power from a DCC booster into four separate power districts.This is useful if you have a large single booster and want to limit the short-circuit current in case of a derailment
An Introduction to Digitrax PM42 Wiring Simplifying Model Railroad from schematron.org
The relays are normally on and allow track power to flow. To use a PM42 with a Zephyr, the trip current of the PM42 should be lowered from the default of 3 amps to 1.5A
An Introduction to Digitrax PM42 Wiring Simplifying Model Railroad
Connect the PM42 to an external power source; Digitrax recommends the PS14. Page 12: Setting The Short Circuit Sensitivity Of The Pm42 Iron Planet Hobbies (43365) 99.8% positive feedback; Price: $82.23 + $8.92 shipping
Digitrax PM42 Power DCCWiki. Note 2: The PM42, as shipped from the factory, can be used in conjunction with most DCC command system currently available Dividing your layout into power districts prevents the entire layout from stopping when a train causes a short in one of the districts.
Digitrax DCC PM42 card edge 44pin connectors 2pack eBay. Note: The factory default setting on all PM42 OpSw's is "thrown" or "t" Note 3: The preferred configuration for programming the PM42 is by using a Digitrax DT series, or equivalent, throttle in conjunction with an active LocoNet.