3.5. Electrical Installation
3.5.1. Control Wires
Connect the wires as described in the Instruc-
tion Manual for the adjustable frequency
drive. Remember to connect the shields prop-
erly to ensure optimum electrical immunity.
Control cable routing
Tie down all control wires to the designated
control cable routing.
3.68: Wire path for control wiring.
Serial communication bus connection
Connections are made to the relevant options
at the control card. For details, see the rele-
vant serial communication bus instructions.
The cable must be placed to the left, inside the
adjustable frequency drive and tied down to-
gether with other control wires.
In the IP 00 (chassis) and IP 21 (NEMA 1)
units, it is also possible to connect the serial
communication bus from the top of the unit as
shown on the picture below. On the IP 21
(NEMA 1), unit a cover plate must be re-
moved.
3.69: Top connection for the serial communica-
tion bus.
VLT
®
Automation Drive FC 300
Instruction Manual High Power
3. How to Install
MG.33.U1.22 - VLT
®
is a registered Danfoss trademark.
49
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