Ac Voltage Verification And Wiring - MCi iControl User Manual

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
• Initial power up
Note
All conductors entering or leaving the controller cabinet must be in conduit. High voltage, high
current conductors, such as power conductors from the fused disconnect or isolation trans-
former, 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.
Most iControl AC installations use an iField Brake Module to provide selective voltages to pre-
cisely control brake picking, brake hold, brake application, and brake timing. In these cases, the
job print details for AC input wiring from the transformer may include auxiliary connections
specifically for the brake input power connections. Read and follow the job prints carefully.
AC Voltage Verification and Wiring
and wiring the controller
2
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