FC 300 Operating Instructions
NB!:
Control cables must be screened/ar-
moured.
Use a clamp from the accessory bag to
1.
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 analog 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:
How to Install
MG.33.A5.02 - VLT is a registered Danfoss trademark
FC 300
Connections
Motor, mains, brake, DC
Bus, Decoupling Plate
screws
Earth, 24 V DC
Relay
Torque
(Nm)
0.5-0.6
2-3
0.5-0.6
25
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