Drive Enable Page (Axis Configuration)

LabVIEW 2018 SoftMotion Module

Edition Date: March 2018

Part Number: 371093W-01

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Use this page of the Axis Configuration dialog box to configure the available drive signals.

This page includes the following components:

Note Note  Not all options and pages are applicable for all axis types.
  • Drive Enable Digital Output—Configures the Drive Enable signal, which controls the enable function of a drive. When properly connected and configured, the drive enable signal must be active for the drive to acknowledge commands from the module. The following settings are available:
    • Enable—Specifies whether the drive enable signal is enabled.
    • Output Type—Specifies the output type for the drive enable output circuit.

      Valid options are:

      • Sinking—Selects a sinking output type. Sinking outputs provide a path to ground for current flow.
      • Sourcing—Selects a sourcing output type. Sourcing outputs provide a path to a voltage source for current flow.
      • Single-Ended—Selects a single-ended output. In a single-ended configuration, the transmitter generates a single voltage that the receiver compares with a fixed reference voltage, both relative to a common ground connection shared by both ends. This configuration is less complicated but more sensitive to signal noise than differential signals.
      • Differential—Selects a differential output. In a differential configuration, the information is transmitted electrically by means of two complementary signals sent on two separate wires. This configuration helps to protect the signal from the effects of noise.
      • Simulated—Selects a simulated output. Use simulated output type when there is no physical output connection, but you want to configure the output for simulation purposes.
    • Active State—Specifies the active state for the drive enable output.
      NoteNote  Available active state selections depend on the Output Type selected.

      Valid options are:

      • High—Configures the signal to be driven high when active.
      • Low—Configures the signal to be driven low when active.
      • On—Configures the signal to be turned on when active.
      • Off—Configures the signal to be turned off when active.
    • Safe State—Specifies the state of the drive enable signal when the hardware is in safe state. The Active State setting does not affect the safe state behavior. Make sure that the Drive Enable safe state is not the same as the active state, or the Drive Enable output will be active when the axis is disabled. In most cases, you want to set the safe state of the signal to the opposite of the active state, so that the signals are not active during a hardware failure.
      NoteNote  Available safe state selections depend on the Output Type selected.

      Valid options are:

      • Low—Configures the state to be low when the hardware is in fault or configuration state.
      • High—Configures the state to be high when the hardware is in fault or configuration state.
      • On—Configures the state to be on when the hardware is in fault or configuration state.
      • Off—Configures the state to be off when the hardware is in fault or configuration state.

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