Unidrive M400 User Guide
71
Issue Number: 2
7 Running the motor
This chapter takes the new user through all the essential steps to
running a motor for the first time, in each of the possible operating
modes.
For information on tuning the drive for the best performance, see
Chapter 8 Optimization on page 75
7.1 Quick start connections
7.1.1 Basic requirements
This section shows the basic connections which must be made for the
drive to run in the required mode. For minimal parameter settings to run
in each mode please see the relevant part of section 7.3
Table 7-1 Minimum control connection requirements for each
control mode
Table 7-2 Minimum control connection requirements for each
mode of operation
7.2 Changing the operating mode
Procedure
Use the following procedure only if a different operating mode is
required:
1. Ensure the drive is not enabled, i.e. terminal 31 & 34 are open or
Pr
06.015
is OFF (0)
2. Change the setting of
Pr 00.079
as follows:
The figures in the second column apply when serial communications are
used.
3. Either:
Press the red
reset button
Carry out a drive reset through serial communications by setting
Pr
10.038
to 100 (ensure that Pr
mm.000
returns to 0).
When the operating mode is changed, a parameter save is carried out.
Ensure that no damage or safety hazard could arise from the
motor starting unexpectedly.
The values of the motor parameters affect the protection of
the motor.
The default values in the drive should not be relied upon.
It is essential that the correct value is entered in Pr
00.006
Motor Rated Current
. This affects the thermal protection of
the motor.
If the drive is started using the keypad it will run to the speed
defined by the keypad reference (Pr
01.017
). This may not
be acceptable depending on the application. The user must
check in Pr
01.017
and ensure that the keypad reference
has been set to 0.
If the intended maximum speed affects the safety of the
machinery, additional independent over-speed protection
must be used.
Drive control method
Requirements
Terminal mode
Drive enable
Speed / Torque reference
Run forward / Run reverse
Keypad mode
Drive enable
Serial communications
Drive enable
Serial communications link
Operating mode
Requirements
Open loop mode
Induction motor
RFC – A mode
(without speed feedback)
Induction motor without speed
feedback
WARNING
CAUTION
CAUTION
WARNING
Pr
00.079
setting
Operating mode
1
Open-loop
2
RFC-A
NOTE
Summary of Contents for Unidrive M400
Page 197: ......
Page 198: ...0478 0044 02 ...