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ZoneMaster Troubleshooting - continued
Solving The Nearest To Most Distant Delay Issue is done with the use of a Distribution
Amplier which we call a DISTYAMP. The DISTYAMP allows you to distribute the Command
Station signal among many boosters. It also allows opposite direction cable runs without
excessive amounts of delay.
The simple track is modified to match up signals and cable lengths. Notice the cable routing is
also easier since it can go in opposite directions. Notice the loop of cable between the
DISTYAMP and ZM1. This is just extra cable that is used to insure the cables lengths are the
same between ZM1 and ZM4. This is not always necessary but is an easy way to insure any cable
delays are minimized.
Up to 5 ZoneMasters can share a single DISTYAMP driver.
Some Locomotives Stall Or Hesitate At The Autoreverse Gaps
Cause #1: Locomotive is not all wheel pickup. The autoreverse feature works most reliably
with all-wheel pickup locomotives. Older locomotives that do not have all wheel pickup will not
work well with ZoneMaster Autoreverse feature.
Cause #2: Entire train does not fit inside the reversing section. The entire train, including all
helper locomotives and caboose must fit between the reversing section gaps.
Cause #3: Short Circuit Sensor Set To High. The autoreverse feature uses a momentary short
between the rail gaps to know when to reverse the polarity. However, if the current setting is too
high, the feature may not work. If this happens, the train will hesitate and then the fault alarm will
be triggered. The best current setting is just above the minimum amount needed to run the train.
ZM1
DISTY
AMP
ZM2
ZM3
ZM4
Command
Station
A
B
C
D
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