FC 300 Operating Instructions
How to Install
NB!:
Control cables must be screened/ar-
moured.
1.
Use a clamp from the accessory bag to connect
the screen to the decoupling plate for control
cables.
See section entitled
Earthing of screened/armoured
control cables
in the
VLT AutomationDrive FC 300
Design Guide
for the correct termination of control
cables.
Switches S201, S202, and S801
Switches S201 (A53) and S202 (A54) are used to
select a current (0-20 mA) or a voltage (-10 to 10
V) configuration of the analogue input terminals 53
and 54 respectively.
Switch S801 (BUS TER.) can be used to enable
termination on the RS-485 port (terminals 68 and
69).
See drawing
Diagram showing all electrical terminals
in section
Electrical Installation.
Default setting:
S201 (A53) = OFF (voltage input)
S202 (A54) = OFF (voltage input)
S801 (Bus termination) = OFF
Tightening Torques
Tighten connected terminals with the following
torques:
FC 300
Connections
Torque (Nm)
Motor, mains, brake, DC
Bus, Decoupling Plate
screws
2-3
Earth, 24 V DC
2-3
Relay
0.5-0.6
21
MG.33.A2.02 - VLT is a registered Danfoss trademark