Commander SK Getting Started Guide 31
Issue Number: 1 www.controltechniques.com
Safety
Information
Rating
Data
Mechanical
Installation
Electrical
Installation
Keypad and
Display
Parameters
Quick Start
Commissioning
Diagnostics Options
Parameter
List
UL Listing
Information
Pr 46 to Pr 51 appear when Pr 12 is set to control a motor brake.
Defines the brake release and brake applied current thresholds as a % of motor current.
If the frequency is >Pr
48
and the current is >Pr
46
, the brake release sequence is started.
If the current is <Pr 47, the brake is applied immediately.
Defines the brake release and brake applied frequencies.
If the current is >Pr 46 and the frequency is > Pr 48, the brake release sequence is
started.
If the frequency is <Pr 49 and the drive has been commanded to stop, the brake is
applied immediately.
Defines the time between the frequency and load condition being met and the break
being released. The ramp is held during this time.
Defines the time between the brake being released and the ramp hold being released.
No Function Range Defaults Type
46 Brake release current threshold
0 to 200 %
50
RW
47 Brake applied current threshold 10
No Function Range Defaults Type
48 Brake release frequency
0.0 to 20.0 Hz
1.0
RW
49 Brake apply frequency 2.0
No Function Range Defaults Type
50 Pre-brake release delay 0.0 to 25.0 s 1.0 RW
No Function Range Defaults Type
51 Post brake release delay 0.0 to 25.0 s 1.0 RW
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