Firmware Manual

Appendix A—Description of Parameters
130 PowerXL DG1 Series Adjustable Frequency Drives MN040004EN—March 2014 www.eaton.com
Appendix A—Description of Parameters
On the following pages you will find the parameter descriptions arranged according to
the parameter number.
Some parameter names are followed by a number code indicating the applications in
which the parameter is included. See the list of applications below. The parameter
numbers under which the parameter appears in different applications are also given.
Application Level
1 Standard Application
2 Multi-Pump and Fan Application
3 Multi-PID Application
4 Multi-Purpose Application
Code Modbus ID Parameter Application
RO/RW
P1.1 101 Min Frequency 1, 2, 3, 4 RW
P1.2 102 Max Frequency 1, 2, 3, 4 RW
These define the frequency limits of the frequency converter. The maximum value
for these parameters is 400 Hz.
P1.3 103 Accel Time 1 1, 2, 3, 4 RW
The time required for the output frequency to accelerate from zero frequency to Max
frequency (P1.2).
P1.4 104 Decel Time 1 1, 2, 3, 4 RW
The time required for the output frequency to decelerate from Max frequency (P1.2)
to zero frequency.
Figure 35. Acceleration and Deceleration Time
The defined acceleration (P1.3) and deceleration times (P1.4) apply for all changes to
the frequency setpoint value.
If the start-release (FWD, REV) is switched off, the output frequency (f
Out
) is
immediately set to zero. The motor runs down uncontrolled.
If a controlled run-down is requested (with value from P1.4), parameter P7.10
must be 1.
1
When setting a minimum output frequency (P1.4 greater than 0 Hz), the acceleration and decelera-
tion time of the drive is reduced to t
1
or t
2
.
The values for the acceleration time t
1
and the deceleration time t
2
are calculated as follows:
t
1
=
(P1.2–P1.1) x P1.3
P1.2
t
2
=
(P1.2–P1.1) x P1.4
P1.2
(Hz)
t (s)
f
out
P1.1
P1.2
P1.1
P1.3 P6.6
t
1
t
2