Danfoss VLT FC 100 Operating Instructions Manual page 73

4 Electrical Installation
4
Illustration 4.17: Control card wiring path for the F1/F3.
Control card wiring for the F2/F4 use the same path.
In the Chassis (IP00) and NEMA 1 units it is also possible to connect
the fieldbus from the top of the unit as shown in the following pictures.
On the NEMA 1 unit a cover plate must be removed.
Kit number for fieldbus top connection: 176F1742
Illustration 4.18: Top connection for fieldbus.
72
1
Installation of 24V external DC Supply
Torque: 0.5 - 0.6 Nm (5 in-lbs)
Screw size: M3
No.
35 (-), 36 (+)
24V DC external supply can be used as low-voltage supply to the con-
trol card and any option cards installed. This enables full operation of
the LCP (including parameter setting) without connection to mains.
Please note that a warning of low voltage will be given when 24V DC
has been connected; however, there will be no tripping.
MG.11.F3.02 - VLT ® is a registered Danfoss trademark
VLT HVAC Drive High Power Operating In-
Function
24V external DC supply
Use 24V DC supply of type PELV to ensure correct
galvanic isolation (type PELV) on the control termi-
nals of the frequency converter.
structions