Start-Up; Control Options; Serial Communication - Danfoss FCM305 56 Instruction Manual

Operation

Start-up

After AC line connections have been made, check
to see that the LED 302 (green) is lit. For Profibus
versions, LED 303 will flash. For more Profibus
information, see the Profibus manual.
For out-of-the-box use without an LOP, LCP-2,
serial communications or PC (see "Control
Options"), simple on/off and speed control is
accomplished as follows:
Connection diagram - factory setting
Reset (pushbutton)
Start
Jog
Speed reference
NOTE:
Be sure the lid screws are tightened down
sufficiently (19.5 - 21.2 lb-in) to seal lid.

Control Options

The FCM 300 can be programmed and operated
with:
1. Serial communication using the RS 485
connection
2. VLT Dialog software and a PC using the RS 485
connection
3. Local Control Panel (LCP-2)
The FCM 300 can be operated, but not
programmed with:
1. Local Operation Pad (LOP) wired to the control
terminals
7-2
FCM 300 Series
1. Run cable from terminals 4 and 6 to a start/stop
contact or switch. See diagram below.
2. Wire potentiometer to terminals 2, 7 and 8. See
diagram below.
NOTE :
Pre-programmed factory parameter settings are
suitable for basic on/off and speed operation as
depicted in the following diagram.
- Reset to be closed short time for
resetting fault trips
- Start to be closed (maintained) 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
NOTE:
The rotional direction of the motor can not be
changed by switching phases. The default direction
is clockwise. Changing the motor direction must be
programmed in parameter 200.

Serial Communication

Terminal block X100, terminals 1-4 are available for
connecting an RS 485 bus.
MG.03.B6.2G - VLT is a registered Danfoss trademark