Electrical Installation, Control Terminals - Danfoss VLT Automation Drive FC 300 Operating Instructions Manual

3. How to Install
3.5.15. Brake Resistor Temperature Switch
Torque: 0.5-0.6 Nm (5 in-lbs)
Screw size: M3
This input can be used to monitor the temperature of an externally connected brake resistor. If
the input between 104 and 106 opens, the frequency converter will trip on warning / alarm 27,
3
"Brake IGBT". If the connection is closed between 104 and 105, the frequency converter will trip
on warning / alarm 27, "Brake IGBT".
Normally closed: 104-106 (factory installed jumper)
Normally open: 104-105
Terminal No.
106, 104, 105
3.5.16. Access to Control Terminals
All terminals to the control cables are located beneath the LCP, accessed by opening the door of
the IP21/ 54 version or removing the covers of the IP00 version.

3.5.17. Electrical Installation, Control Terminals

To connect the cable to the terminal:
1.
2.
3.
4.
To remove the cable from the terminal:
1.
2.
1)
Max. 0.4 x 2.5 mm
60
Function
Brake resistor temperature switch.
If the temperature of the brake resistor gets too high and the thermal switch drops
out, the frequency converter will stop braking. The motor will start coasting.
A KLIXON switch must be installed that is `normally closed'. If this function is not
used, 106 and 104 must be short-circuited together.
Strip insulation of 9-10 mm
1)
Insert a screwdriver in the square hole.
Insert the cable in the adjacent circular hole.
Remove the screwdriver. The cable is now mounted to the terminal.
Insert a screw driver 1) in the square hole.
Pull out the cable.
MG.33.U1.02 - VLT
Operating Instructions High Power
® is a registered Danfoss trademark
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VLT Automation Drive FC 300