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Operational Overview
Note
No motion should be commanded while the brake is engaged.
* (1) = Active output function
(0) = Inactive output function
Brake Release
The Brake Release input function will release the brake under all conditions. When this input function is on, the Brake output
function will be on (i.e., release brake). This input function overrides all other brake control, thus allowing the brake to be
released while a fault is active or the power stage is disabled. See also Brake output function.
Brake Control
This input function, when active, will engage the brake unless overridden by the Brake Release input function. This input lets
you externally engage the brake while allowing the drive to also control the brake during fault and disabled conditions.
Brake
The Brake output function is used to control the motor holding brake. If the Brake output function is off, the brake is
mechanically engaged. When the brake is engaged, the diagnostic display on the front of the drive will display a “b”.
The drive outputs are limited to 150 mA capacity, therefore, a suppressed relay is required to control motor coil. Control
Techniques offers a relay, model; BRM-1.
Analog Inputs View
Settings Group
Bandwidth
This parameter sets the low-pass filter cutoff frequency applied to the analog input. Signals exceeding this frequency will be
filtered at a rate of 20 db per decade.
Analog Full Scale
This voltage sets the maximum value that the analog input will reach in normal operation. Valid range for this parameter is -
10 to 10 volts.
Analog Zero Offset
This voltage corresponds to zero velocity in the motor and has a range from -10 to 10 volts.
Analog Outputs
The drive has two 10 bit Analog Outputs which may be used for diagnostics, monitoring or control purposes. These outputs
are referred to as Channel 1 and Channel 2. They can be accessed from the command connector.
Each Channel provides a programmable Analog Output Source.
Analog Output Source options are:
• Velocity Command
• Velocity Feedback
• Torque Command
• Torque Feedback
• Following Error
Brake Release Input Off On
Brake Control Input On Off On Off
Drive Power
Stage
Enabled
0111
Disabled
0011