FCM 300 Series
MG.03.B6.2G - VLT is a registered Danfoss trademark
Terminal Specifications
To access terminals, remove the inverter top cover,
which is held in place by 4 screws.
Terminal blocks X100 and X101 should be removed
to make the AC Line terminals more accessible.
Lift the corner of the protective black plastic to
expose the AC Line terminals (L1, L2 and L3). DO
DO
DO
DO
DO
NOT
NOT
NOT
NOT
NOT remove the plastic cover!
Remove necessary PG plastic plugs to insert AC
Line cable and control cables. Use as many
openings as necessary. PG to NPT adapters are
sold separately.
Terminal and Switch Locations
X101: Terminal block for analog/digital control signals
Terminal No.
Function
Example
1
Analog input (0-20 mA)
Feedback signal
2
Analog (0-10 V)/digital input 2
Speed reference
3
Digital input (or pulse) 3
Reset
4
Digital input (or precise stop) 4
Start
5
Digital input (other) 5
Jog (fixed speed)
6
24 V DC supply for digital inputs (max. 150 mA)
7
10 V DC supply for potentiometer (max. 15 mA)
8
0 V for terminals 1-7 and 9
9
Analog (0-20 mA)/digital output
Fault indication
X100: Terminal block for data communication
Terminal No.
Function
1
P RS 485
for connection to
2
N RS 485
bus or PC
3
5 V DC
Supply for RS 485 bus
4
0 V DC
For PROFIBUS versions please refer to the manual
MG90AXYY.
LED 300-304
LED 300 (red):
Fault trip
LED 301 (yellow):
Warning
LED 302 (green):
Power on
LED 303-304:
Communication
Reset (pushbutton)
Start
Jog
Speed reference
-
Reset
to be closed short time for
resetting fault trips
-
Start
to be closed for changing
to
run mode
-
Jog
will run at fixed speed
while closed (10 Hz)
-
Speed reference
(0-10 V)
determines speed while in
run mode
Connection diagram - factory setting
Screen
For terminating an RS 485 serial communication
interface, units at both ends of the bus must have
their RS 485 switch turned to ON.
The RS 485 connector interfaces with the service
plug kit (part#176N0166) when both serial
communication and the LCP-2 are to be used
simultaneously.
Installation
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