83 overspeed limit – Rockwell Automation Liqui-Flo V2.0 AC Drive User Manual

Page 89

Advertising
background image

Rockwell Automation Publication D2-3518-3 - May 2013

89

Chapter 9

Sets the incremental amount of the output frequency (above Maximum Speed)
allowable for functions such as slip compensation. See

Figure 38

.

Maximum Speed + Overspeed Limit must be

to Maximum Frequency.

Figure 38 - Speed Limits

Sets a frequency at which the drive will not operate (also called an avoidance
frequency

). Requires that both Skip Frequency 1...3 and Skip Frequency Band

(87) be set to a value other than 0.

83

Overspeed Limit

Range:

0.0...20.0 Hz [0.1 Hz]

Default:

10.0 Hz

Access:

1

Path: Speed Command > Spd Mode & Limits

See also:

55, 82

84
85
86

Skip Frequency 1
Skip Frequency 2
Skip Frequency 3

Range:

-/+250.0 [0.1 Hz]

Default:

0.0 Hz

Access:

1

Path: Speed Command > Spd Mode & Limits

See also:

87

Allowable Output Frequency Range

Bus Regulation or Current Limit

V

o

l

t

a

g

e

Frequency

Allowable Output Frequency Range

Normal Operation

Allowable Reference Frequency Range

Frequency Trim due to
Speed Control Mode

Max Volts

Motor Volts

Break Volts

Start Boost

Run

0

Min

Speed

Motor

Hz

Max

Speed

Output

Freq Limit

Max
Freq

Break

Frequency

Overspeed

Limit

Advertising