Electrical Installation, Control Terminals - Danfoss VLT FC 300 Instruction Manual

VLT ® Automation Drive FC 300
Instruction Manual High Power
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 adjustable frequency drive will trip on warning/alarm
27, "Brake IGBT". If the connection is closed between 104 and 105, the adjustable frequency drive
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 IP 21/ 54 version or removing the covers of the IP 00 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. 0.015 x 0.1 in. [0.4 x 2.5 mm]
Function
Brake resistor temperature switch.
If the temperature of the brake resistor gets too high and the thermal switch drops
out, the adjustable frequency drive 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 0.34-0.39 in [9-10 mm]
1)
Insert a screwdriver into the square hole.
Insert the cable in the adjacent circular hole.
Remove the screwdriver. The cable is now mounted to the terminal.
1)
Insert a screw driver in the square hole.
Pull out the cable.
MG.33.U1.22 - VLT ® is a registered Danfoss trademark.
3. How to Install
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