S.B.C. Elettronica S.p.A. - Engineering Division
HPDxxN – High Power User’s Manual
26
The functions on terminals 12, 13 and 14 must be enabled by setting bit b90.10 to one. This
requires access to the extended parameters menu.
The default PLC program controls parameter Pr5 in addition to timer 1 (Pr92) and bits b40.0,
b40.4, b40.5, b40.6, b40.12 so in this case the above binary parameters and switches cannot be
utilised unless the pico-PLC is disabled (b99.13=0) or the basic program is modified.
Short and extended menu
When the HPD N drive is in default status, only a limited number of parameters are displayed.
These parameters are the only ones required for applications in which the HPD N is employed as a
straightforward frequency converter, i.e. you are not using the advanced functions of the drive (e.g.
using HPD N with a Numerical Control or an intelligent axis control card). Switch between short and
extended menu using b99.6.
Short memory parameters are:
Pr0
Real speed of motor shaft in rpm.
Pr1
Analogue reference offset (terminals 1 and 2 of terminal board X2 ).
Pr2
Analogue reference full scale: speed value in rpm corresponding to 10 V reference signal.
Pr8
Acceleration/deceleration ramp values in seconds per 1000 rpm
Pr16
Integral gain of speed control loop.
Pr17
Speed control loop damping.
Pr19
Peak current delivered to drive expressed as a percentage of the peak rated value of the
drive.
Pr29
Number of motor poles.
Pr32
Rated speed (rpm).
Pr33
Rated current that can be delivered by the drive (can be maintained indefinitely) expressed
in percent of the peak rated current of the drive.
Pr35
Instantaneous current requested by the motor expressed as a percentage of drive peak
rated current.
b99.6
Enable extended menu. Default=0. Set to 1 to obtain the extended menu.
b99.7
Security. Default=0. Set to 1 to protect parameters from modification.
b99.10 Alarm reset command.
b99.13 PLC status. Default=1. At 1 the PLC program is executed, at 0 the program is not
executed.
b99.15 Parameter storage command.
Using extended menu you can manage all parameters and pico-PLC instructions.
Restoring default parameters
If you need to restore the factory-set default parameter values:
- disable the drive via hardware (open terminal 11 on board X3)
- power-up the system
-
t
he display will show “IdLE” after approximately 3 seconds
- set b99.7 and b99.13 to zero
- enter command b99.12
- save your changes with b99.14 and b99.15.