Operating Instructions
Training Exercises
10
Exercise 1
37
Siemens Industry, Inc. 125-1007 Rev.BA
2014-08-14
Training Exercises
For Exercises 1 through 3, the Demonstration Panel should be placed in the VFD
position. For all remaining exercises, the mode switch should be in the Bypass
position.
Exercise 1
This exercise requires the BT300 Demonstration Panel to be factory reset and
recommissioned. The standard keypad should be used to complete these steps. The
Start-up Wizard will be used for ease of programming. Basic motor settings are
required to be entered for this exercise. Shortened acceleration and deceleration times
will be used to speed up the response time of the unit.
Startup Scenario:
The unit is controlling a fan on a rooftop unit in Las Vegas. This is a stand-alone drive
(no bypass option is installed). A building management system is not available. The
Users will start/stop the drive and set the speed reference manually.
Key information:
Supply voltage is 230 Vac
Motor nameplate data
Vn = 230 Vac
In = 0.4A
Fn = 60Hz
Cos phi/PF = 0.7
Nn = 1770 rpm
Ramp Times
Accel = 6s
Decel = 3s
Start/Stop Types
Flying Start
Coast to Stop
Auto Reset
Undervoltage Fault
Wait 2s
Try 5 times in 80s timeline
Use the keypad to control the Start/Stop and Speed Reference of the Drive. Use the
multi-monitor page to view the values during test run. Once complete, save the settings
to the keypad.