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26
9.6 - Setup and wiring: Lenze SMVector VFDs (Powerfoil
®
8 & Basic 6
®
fans) (cont.)
9 - Big
Ass
Fans Electrical Installation (cont.)
U
/
T1
V
/
T2
W
/
T3
PE
L1
L2
N
2
TXA
TXB
11 AI 2 30 12V 1
13A
13B
13C
16 17
M
RUN
STOP
REM
LOC
REV
LOC
REM
2 TXA TXB 11
AI 2
It is important that the last fan connected
on a run of Modbus cable (regardless of
fan quantity) includes an EOL resistor
to maintain proper cable impedance as
shown.
120 Ω, ¼ W
Resistor
bare
white
gray
Jumper Terminals 12V, 1, & 13B
Modbus Cable
Data Loop In
Modbus Cable Data Loop
Out (if applicable)
See note above regarding EOL
resistor
Note: T
he 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.
Terminal TXA = Data(-)/Gray
Terminal TXB = Data(+)/White
Terminal 2 = Shield
bare
gray
white
gray
white
bare