5973130-16
Common Mistakes that could damage or disrupt a ControlHoist 2.0 Logic Board
High voltage wires must never be ran in the same conduit as low voltage wiring (which includes push-button
wiring, interlock devices, and any 24v accesory device). High voltage wires supplying power to the operator can
create a magnetic field around themselves. This magnetic field can disrupt the low voltage signals and disrupt the
normal operation of the operator. When running high voltage conduit, try to run the low voltage wires at least
12” or more away from the low voltage wires to avoid any magnetic interference.
2. The 24VAC power terminals, 15 & 16, are rated for 500mA (.5 amps) or 12 watts of power consumption.
Hooking up a device that draws more than the rated power consumption will damage the logic board.
Verify power consumption of the device(s) before installing. You may have to power the device from an
external power source, using only the contacts of the device to activate the operator.
3. The common on the main board is its own unique common to itself, and should be connected to dry
contacts only! Never induce voltage into the signals (open, close, aux1 aux2, etc.) or commons of the board.
1. There is 24VAC power available at terminals 15 & 16 on the logic board. This power source can be used
to power an external device such as a motion detector. These 2 terminals are only to be used to power a
device. If either of the terminals are shorted to any other terminals on the board, it will damage the boards.
Dry Contact Only
Dry Contact - A dry contact means there is no energy being supplied to the contact. It is completely passive and
isolated. The example above shows a dry contact being used to activate a signal between common and aux12.
High Voltage Wiring
Hooking Up Accessories
24VAC Power
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