24
Drive Status
Elite Pro Mode
0
Stop
1
Run
2
Ramping to Stop (from Run)
3
Jog
4
Ramping to Stop (from Jog)
5
Jog Delay
6
Quick Stop
7
Coast Stop
8
Emergency Stop
Table 7: Drive Status
7.5 Zero Speed Logic Block
Figure 12
Zero Speed Setpoint (207)
The
Zero Speed Setpoint
parameter sets the Zero Speed threshold. This level determines
the speed at which the control loops are clamped and the armature contactor is de-energized
after a Stop command has been given to the drive.
At Zero Set (209, Read-Only)
When in velocity mode,
At Zero Set
is True when the
Final Velocity Demand
is below the
Zero Speed Setpoint
. Likewise, when in torque mode,
At Zero Set
is True when the
Final
Current Demand
is below the
Zero Speed Setpoint
.
At Zero Speed (210, Read-Only)
At Zero Speed
is True when the
Velocity Feedback
is below the
Zero Speed Setpoint
.
At Standstill (211, Read-Only)
At Standstill
is True when the when
At Zero Set
and
At Zero Speed
are True.
Standstill Logic (208)
In applications where the drive is in the Run mode with zero velocity reference, motor
creepage may be apparent under some load conditions. Setting
Standstill Logic
to True will
cause the Velocity Loop and Current Loops to be disabled when
At Standstill
is True,
eliminating motor creepage. Note that
Standstill Logic
should not be used in applications
where the drive is required to produce holding torque or tension at Zero Speed.
Standstill
Logic
can also cause delays when the armature bridge switches direction in regenerative
models under certain loading conditions.
Summary of Contents for Elite Pro EPN020-000
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