Rockwell Automation 160 AC DRIVE SER B/FRN 5-6.XX - Manual (Page 31)

Chapter 5 – Parameters and Programming
5-4
Program Group Parameters
This group contains parameters whose values can be programmed. Refer to the “Programming Example”
outlined earlier in this chapter. Unless otherwise stated, parameters that are programmed while the
controller is running take immediate effect.
Program Group
P# Parameter Description Min/Max
Range
Units Factory
Default
30 [Accel Time 1]
Time for the controller to ramp from 0.0 Hz. to P33
– [Maximum Frequency]. The rate is linear for any increase in command
frequency unless P53 – [S-Curve] is set to a value other than “0”. Setting
this to 0.0 sec. gives
0.1 sec acceleration
with the initial current
limit turned off. This allows
quicker acceleration times
for low inertia systems. For
medium to high inertia
systems, the minimum value
should be 0.1 sec.
Max. Frequency '
' a a
Speed
Time
0
0
'
Accel
Time
Decel
Time
0.0 to 600 0.1 Seconds
10.0
Seconds
31 [Decel Time 1]
Time for the controller to ramp from P33 – [Maximum
Frequency] to 0.0 Hz. The rate is linear for any decrease in command frequency
unless P53 – [S-Curve] is set to a value other than “0”. See P30 – [Accel Time 1]
figure above.
0.1 to 600 0.1 Seconds 10.0
Seconds
32 ➀ [Minimum Frequency]
Lowest frequency that controller will output
continuously.
0 to 240 1 Hz 0 Hz
33 ➀ [Maximum Frequency]
Highest frequency the controller will output.
Important: This parameter can’t be changed while running.
0 to 240 1 Hz 60 Hz
34 [Stop Mode Select]
Determines stopping mode used by the controller
when a stop is initiated. Refer to the P44 – [DC Hold Time] and P45 – [DC Hold
Voltage] diagrams.
Settings: 0 = Ramp to Stop 1 = Coast to Stop
2 = DC Injection Braking 3 = DC Injection Braking (w/Auto Shutoff)
Important: DC Injection braking with auto shutoff: works the same as standard
DC injection braking except that it may shut off before the P44 – [DC Hold Time].
This occurs if the controller is out of current limit before the P44 – [DC Hold
Time] expires.
0 to 3 Numeric
Value
0
35 [Base Frequency]
Set value to motor’s rated nameplate frequency.
10 to 240 1 Hz 60 Hz
➁
36 [Base Voltage]
Set value to motor’s rated nameplate voltage.
20 to 460 for
460V units and
20 to 230 for
230V units
1 Volt 460 Volts for
460V units
and 230 for
230V units
➀ The analog inputs to the controller (i.e., 4–20mA, 0 to +10V, or remote potentiometer) can be scaled to P32 – [Minimum Frequency] and
P33 – [Maximum Frequency] by programming P75 – [Analog Input Minimum] and P76 – [Analog Input Maximum].
➁ For controllers without a program keypad module, you can change P35 – [Base Frequency] to 50 Hz via a dipswitch located under the blank
front panel. See the Removing Program Keypad Module section in Chapter 3.