WWW.BIGASSFANS.COM ©2013 DELTA T LLC ALL RIGHTS RESERVED
24
RUN
STOP
FWD
REV
MODE
RUN
ENTER
STOP
RESET
1.5KW
VFD-M
U
T1
V
T2
W
T3
Brake
B1
B2
U
T1
V
T2
W
T3
Brake
B1
B2
9.5 - Setup and wiring: 575V–600V Delta M Series VFDs (Powerfoil
®
X Series fans) (cont.)
RJ22 - RJ45 Port Adapter
(unique to M series)
RJ45 / Screw
Terminal Adapter
MBA (+) Orange w/WHT
MBB (-) White w/ORG
Modbus Cable
Data Loop In
Modbus Cable
Data Loop Out
if applicable
(See note below
regarding EOL
resistor)
Ref. Line (Blue w/WHT)
Bare Drain Lead
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
Note: The wire colors shown are
applicable to Belden 3106A Modbus
cable only. Other cable types may
differ. Take note of color/polarity if
using a different model of cable.
GND
GRAY
BLUE W/ WHT
ORG W/ WHT
WHT W/ ORG
9 - Big
Ass
Fans Electrical Installation (cont.)
RJ45 to Modbus Connector
Note: The connector and
resistor are part of a data
kit that is provided with the
BACnet adapter.
