Installation
11
Encoder Cable
The encoder cable is approximately eight feet (2.5 m) long with six (6) pre-striped wires and a
small piece of shrink tubing on one end. The wires are; black, white, red, green, blue and yel-
low/green. The other end of the cable is connected internally to the motor. We recommend that
the cable be kept at its original length and the excess, if any, coiled up in the drive enclosure.
However, if the cable length is reduced you will notice that there is no yellow/green wire, but
there is a brown wire. The brown wire is not used and the yellow/green wire is actually a short
piece of wire attached to the shield.
Auto Reset
If power is lost, then rapidly re-applied, the drive may fault. If so, the drive will auto-reset
within three (3) seconds. The drive will accommodate up to four (4) faults within a one-hun-
dred (100) second period of time. Should a fifth fault occur before the 100-second timer has
expired, it will be necessary to shut off power to the drive, wait several seconds, then re-apply
power. After an auto-reset, the drive operates in the same manner as when power is first applied
— the motor will cog to synchronize and the doors will open at slow speed until DOL is estab-
lished. Refer to the Troubleshooting section should a continuous drive fault occur.
Control Signal Status
The Isolation Board, located just below the Programmer Board,
has LEDs that indicate active control status. (The associated LED
lights when its control input is active.) There are five input control
signal possibilities:
• Heavy Door
• Auxiliary
•Nudging
•Door Close
•Door Open
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