Beijer Electronics BFI-P2 V1.21 - Manual (Page 32)

User Guide Revision 1.12
www.beijerelectronics.com
32
5.11. Keypad Control
To allow the Drive to be controlled from the keypad in a forward direction only, set P1‐12 =1:
•
Connect the drive to the supply, ensuring the correct voltage and fusing / circuit breaker protection – see section 10.2.
•
Connect the motor to the drive, ensuring the correct star/delta connection for the voltage rating ‐ see section 4.6.
• Apply the mains power to the drive, then enter the motor data from motor nameplate; P1‐07 = motor rated voltage, P1‐08 = motor
rated current, P1‐09 = motor rated frequency.
• Connect the Drive Hardware Enable (STO) circuit as follows (see section 0 for further details)
o Link Terminal 1 to Terminals 12 (STO +)
o Link Terminal 9 to Terminal 13 (STO ‐)
•
Connect a control switch between the control terminals 1 and 2 ensuring that the contact is open (drive disabled).
• Enable the drive by closing the switch between control terminals 1 & 2. The display will show
StoP
.
• Press the key. The display shows
H 0.0
.
• Press to increase speed.
• The drive will run forward, increasing speed until is released.
•
Press to decrease speed. The drive will decrease speed until is released. The rate of deceleration is limited by the setting
in P1‐04
• Press the key. The drive will decelerate to rest at the rate set in P1‐04.
•
The display will finally show
StoP
at which point the drive is disabled
•
To preset a target speed prior to enable, press the key whilst the drive is stopped. The display will show the target speed, use
the & keys to adjust as required then press the key to return the display to
StoP
.
•
Pressing the key will start the drive accelerating to the target speed.
•
To allow the Drive to be controlled from the keypad in a forward and reverse direction, set P1‐12 =2:
•
Operation is the same as when P1‐12=1 for start, stop and changing speed.
•
Press the key. The display changes to
H 0.0
.
•
Press to increase speed
•
The drive will run forward, increasing speed until is released. Acceleration is limited by the setting in P1‐03. The maximum speed
is the speed set in P1‐01.
• To reverse the direction of rotation of the motor, press the key again.
5.12. Operating in Sensorless Vector Speed Control Mode
Drive can be programmed by the user to operate in Sensorless Vector mode, which provides enhanced low speed torque, optimum motor speed
regulation regardless of load and accurate control of the motor torque. In most applications, the default Voltage Vector control mode will
provide adequate performance, however if Sensorless Vector operation is required, use the following procedure.
•
Ensure advanced parameter access is enabled by setting P1‐14 = 101
•
Enter the motor nameplate details into the relevant parameters as follows
o P1‐07 Motor Rated Voltage
o P1‐08 Motor Rated Current
o P1‐09 Motor Rated Frequency
o (Optional) P1‐10 Motor Rated Speed (Rpm)
o P4‐05 Motor Power Factor
•
Select Sensorless Vector control mode by setting P4‐01 = 0
•
Ensure that the motor is correctly connected to the drive
• Carry out a motor data Autotune by setting P4‐02 = 1
The Autotune will begin immediately when P4‐02 is set regardless of the status of the drive enable signal. Whilst the autotune
procedure does not drive or spin the motor, the motor shaft may still turn slightly. It is not normally necessary to uncouple the
load from the motor; however the user should ensure that no risk arises from the possible movement of the motor shaft.
It is essential that the correct motor data is entered into the relevant drive parameters. Incorrect parameter settings can result
in poor or even dangerous performance.