Wiring - Danfoss VLT MICRO Manual

Wiring

There are two wiring systems in an AFD: Main Circuit and Control Circuit. The Main
Circuit terminals are located at the top of the drive. Control Circuit terminals are
located bottom of drive, Both terminal blocks are covered by the plastic housing. Lift
the hinged portion of the housing to gain access to the terminals. Make sure power is
removed before making any connections. Connect wires to the terminals according to
the diagram below. When no connections are made to the control terminals, the drive
is operated by the Digital Keypad/Display.
VAC Input
NOTE: Select two
terminals as input for
230V single phase
models
* NOTE: Do not plug a modem or telephone in to the RS485 port. Do not use
terminals 2 or 5 when using the port.
Ground
E
11
® ® ® ® ®
VLT MICRO
U
V
W
F
AFm
GND
RJ-11 communication port with
RS-485 serial interface
2: GND
3: SG–
4: SG+
6
5: +5V