MTS Series 793 - Manual (Page 225)

Description Item
On FlexTest 40, 60, 100, and 200 controllers, monitors signals from
the Model 494.16 VD/DUC through the Model 494.40 I/O Carrier card’s
Service connector. Service Port Output (Model 494.16
only)
Select a signal to monitor:
A/D Input—Conditioned feedback signal from the DUC portion of the
Model 494.16.
+Ex Voltage—The excitation sense voltage delivered to the transducer.
Preamp Output—(transducer output) x (preamp gain).
Sumamp Output—A slightly attenuated, inverted version of the preamp
output signal. In some custom applications, the preamp output signal
may be summed with an external signal.
Valve Current 1—Final output current to the servovalve expressed in
voltage. The current-to-voltage relationship is 5 V DC = 50 mA, The
maximum valve current depends on the .hwi Range setting for the
valve driver.
Valve Current 2—Final output current to the servovalve expressed in
voltage. The current-to-voltage relationship is 5 V DC = 50 mA, The
maximum valve current depends on the .hwi Range setting for the
valve driver.
The service port selections are not saved with the parameter set.
Dual Valve Driver Settings
For each channel that uses a dual valve driver, the following editable parameters are displayed. These
parameters can also be set on the Station Setup Drive panel.
Drive Panel (Dual Valve)
Description Item
Sets the polarity for each dual valve control channel drive signal. Polarity
Sets the valve balance setting for each dual valve control channel. Valve Balance 1/2
Sets the amplitude of the dither signal for each dual valve control channel. Dither Amplitude
Valve Tab Settings for Three-Stage Valve Drivers
Use this tab to configure the drive signal output of three-stage valve drivers.
Access
Station Setup window > navigation pane > Channels > Control Channel n > > Valve tab
MTS Series 793 Control Software 225
Station Setup