Gantry Crane
A portal gantry with two identical motors is controlled
by an external 0-10 Volt signal. The direction of rota-
tion (right or left) is controlled by means of switch 2,
while start/stop is carried out using switch 1.
1.
Start
2.
Reversing
3.
Speed reference signal
The following must be programmed in order shown:
Function:
Parameter:
Setting:
Data value:
Torque characteristics
101
Normal/special motor character
[15]
Rotation, frequency/direction
200
Both directions, 0 - 132 Hz
[1]
Analogue input, term. 53
308
Thermistor
[4]
Motor thermal protection
128
Thermistor warning/Thermistor trip
[1] or [2]
Analogue input, term. 54
311
Reference
[1]
Terminal 18, digital input
302
Start
[1]
Terminal 27, digital input
304
Coasting stop inverse
[0]
Terminal 42, output
319
Torque limit and stop
[27]
All other settings are based on factory settings. However, motor data (nameplate data) must always be entered in parameters 102-106.
VLT
®
5000 Design Guide
102
MG.52.B2.02 - VLT
®
is a registered Danfoss trademark
