Construction Mode
2-6 Manual # 42-02-7223 C1
Controller Cabinet Installation
Review the wiring guidelines in this section before bringing wires into the controller.
When drilling or cutting access holes or during other machining, do not allow any metal
chips to fall into the electronics. Keep drive or other covers in place while wiring to prevent
damage to components.
1. Mount cabinets securely to the machine room floor.
2. Cut holes to permit bringing wires in as shown in the following illustration.
MCE applies labels inside the cabinet to identify suggested wiring hole locations. The MCE con-
troller cabinet does not require rear access.
• Field wiring should enter the cabinet from the side at the lower left corner or from the bot-
tom directly under the wiring trough. The wires must be routed through the wiring
trough on the left side of the controller cabinet in a way that allows the power
box door to open fully.
• 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 Tachome-
ter/Velocity Encoder control wires be routed through a separate conduit away from high
current conductors.
• The traveling cable must have at least four twisted shielded pairs to be used for the posi-
tion pulser quadrature signal and the iLink Communication link from the Car Top Proces-
sor board (ICE-CTP) to the iBox Safety Processor board (ICE-SAF). The shielded cable
should be used all the way to the controller. If there are more shielded pairs still available,
route the ULM, DLM and DZ signals from the iLink Car Top Processor board through a
shielded pair (especially if the building has more than eight floors). The shields must be
grounded at both ends by connecting them to a “SHLD” terminal.
Grounding
Grounding must conform to all applicable codes. Proper grounding is essential for system safety
and to reduce noise-induced problems.
• Ground equipment in accordance with NEC Article 250 and/or the local electrical code.
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