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22
READY RUN
FAULT
1 2
3
1 2
3
O
N
O
N
RA RB RC
AVI
NPN
PNP
PNP
ACI
ACI
9.4 - Setup and wiring: 200V–240V & 400V–480V Delta E Series VFDs (Powerfoil
®
X Series fans) (cont.)
9 - Big
Ass
Fans Electrical Installation (cont.)
Note: The wire colors shown above are applicable to Windy City Wire Modbus cable only. Other cable types may differ. Take note of
color/polarity if using a different model of cable.
Modbus Cable
Data Loop In
Modbus Cable
Data Loop Out if applicable
(See note above regarding EOL resistor)
Gray
White
ACM
RJ45 Port
RJ45 / Screw Terminal Adapter
It is important that the last device connected on a
run of Modbus cable (single or multiple devices)
includes an EOL resistor to maintain proper cable
impedance as shown.
120Ω 1/4W
Resistor
RJ45 to Modbus Connector
Note: The connector and
resistor are part of a data
kit that is provided with
the BACnet adapter.
