AC Voltage Verification and Wiring
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iControl DC
AC Voltage Verification and Wiring
Instructions in this section describe wiring from commercial power to iControl. Most of the
technical information is in the MCE job prints and referenced here as necessary. As shown in
the job prints, an isolation transformer may be used to clean up “dirty” commercial power, shift
voltage levels, and prevent noise from electrical equipment from being introduced back into the
building power system. Isolation transformers are specified in some, but not all, installations.
AC voltage verification and wiring instructions include:
• Verifying main line power and wiring the controller
•Initial power up
All conductors entering or leaving the controller cabinet must be through conduit. High voltage,
high current conductors, such as power conductors from the fused disconnect or isolation
transformer, must be separated from control wires. It is essential that tachometer/velocity
encoder control wires be routed through a separate conduit away from high current conductors.
Incoming power to the controller and outgoing power wires to the motor must be in their
respective grounded conduit.
The majority of iControl installations use an iField Brake Module to provide selective voltages
to precisely control brake picking, brake hold, brake application, and brake timing. DC installa-
tions may also use auxiliary power inputs. In these cases, the job print details for AC input wir-
ing from the transformer may include connections specifically for auxiliary brake and input
power. Read and follow the job prints carefully.
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