44
Tachometer Type (127)
Selects between a DC or an AC tachometer. Since an AC tachometer cannot convey
direction of rotation, the armature feedback signal is used to supply the polarity for directional
control.
Invert Feedback (126)
The encoder and tachometer feedback signals are polarity sensitive. The polarity is used to
determine the direction of rotation of the motor. If the encoder or tachometer wires are
reversed, this parameter can be used to quickly invert the polarity of the feedback signals for
proper operation without re-wiring.
Nameplate Motor Voltage (128)
The nameplate armature voltage rating of the motor should be entered here. This allows the
Elite Pro to correctly scale the armature feedback signal.
7.17 Diagnostics Block
The diagnostics section is provided to aid in troubleshooting. The majority of the status parameters
are analog to digital readings. A few of the status readings are scaled and converted to provide
helpful monitoring data and are listed below.
Figure 33
Line Voltage (175)
Line Voltage provides an approximation of the line to line AC input voltage.
Heatsink Temperature (176)
A thermistor on the heatsink monitors the temperature and is used to control the heatsink
fans. The temperature is also used to shutdown the drive due to excessive heating.
Fan Mode (410)
In Auto mode, the heatsink fans turn on and off due to the Heatsink Temperature. The fans
can be manually turned on for testing by setting Fan Mode to On.
Voltage Supplies (171-174)
The +12V, +15V, +24V, and +3V Battery supplies can be monitored.
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