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Allen-Bradley PowerFlex 70 Enhanced Control User Manual

Allen-Bradley PowerFlex 70 Enhanced Control
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Analog Outputs 11
Example 2: Unsigned Output Quantity, Negative Slope
[Analog Out1 Sel] = “Output Current”
[Analog Out1 Lo] = 9 volts
[Analog Out1 Hi] = 1 volts
This example shows that [Analog Out1 Lo] can be greater than [Analog Out1 Hi]. The result is a
negative slope on the scaling from original quantity to analog output voltage. Negative slope could also
be applied to any of the other examples in this section.
Example 3: Signed Output Quantity, Absolute Value Enabled
[Analog Out1 Sel] = “Output Torque Current”
[Analog Out1 Lo] = 1 volt
[Analog Out1 Hi] = 9 volts
[Anlg Out Absolut]
Example 4: Signed Output Quantity, Absolute Value Disabled
[Analog Out1 Sel] = “Output Torque Current”
[Analog Out1 Lo] = 1 volt
[Analog Out1 Hi] set to 9 volts
[Anlg Out Absolut]
Example 5: Overriding the Default Analog Output Target Scaling
Analog Output 1 set for 0-10V DC at 0-100% Commanded Torque. Setup:
[Analog Out1 Sel], parameter 342 = 14 “Commanded Torque”
[Analog Out1 Hi], parameter 343 = 10.000 Volts
[Analog Out1 Lo], parameter 344 = 0.000 Volts
[Anlg Out1 Scale], parameter 354 = 100.0 (PowerFlex 700VC Only)
If [Analog Out1 Lo] = –10.000 Volts the output will be –10.0 to +10.0V DC for –100% to +100%
Commanded Torque.
If [Anlg Out1 Scale] = 0.0, the default scaling listed in [Analog Out1 Sel] will be used. This would be
0-10V DC for 0-800% torque.
10V
[Analog Out1 Lo]
[Analog Out1 Hi]
0V
0% 200%
Out
p
ut Current
Analog
Output Voltage
10V
[Analog Out1 Hi]
[Analog Out1 Lo]
0V
0% 200%
200%
Output Torque Current
Analog
Output Voltage
10V
[Analog Out1 Hi]
[Analog Out1 Lo]
0V
0% 200%
200%
Output Torque Current
Analog
Output Voltage

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Allen-Bradley PowerFlex 70 Enhanced Control Specifications

General IconGeneral
BrandAllen-Bradley
ModelPowerFlex 70 Enhanced Control
CategoryDC Drives
LanguageEnglish

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