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To attach I/O expanders
TruVu™ MPC Processor
CARRIER CORPORATION ©2021
Installation and Start-up Guide
All rights reserved
10
•
Wired to the I/O Bus port for communication and then wired to an external transformer for power
The connection/wiring configuration that you use depends on:
•
The number of TruVu
TM
MPC I/O expanders you need
•
Whether you use AC or DC power supply
•
The size of the power supply
NOTE
The controller has built-in I/O bus network termination and must be the first device on the expander
network. Add termination to the last TruVu
TM
MPC I/O expander on the network by setting I/O Bus
End of Net?
switch to
Yes
(Up).
WARNING
Do not apply line voltage (mains voltage) to the controller's ports and terminals.
CAUTIONS
•
The TV-MPCXP is powered by a Class 2 power source. Take appropriate isolation measures when mounting it
in a control panel where non-Class 2 circuits are present.
•
Carrier controllers can share a power supply as long as you:
•
Maintain the same polarity.
•
Use the power supply only for Carrier controllers.
Summary of Contents for TruVu MPC
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