ROCKWELL T8403 batch sequence generator
Technical data of product parameters
Another problem with demodulator gain can occur during automatic calibration.
When the value is backseated and demodulator gain is undergoing an adjustment, it T8403
is also predicting the new calibration value at the seated position. If the seated
position goes out of range, then the value is cilpped and the user receives a message
that a new calibration is necessary.
One of the underlying assumptions of the VP is that, in the worst case, the user
positions the LVDT so that the 100% position is at the end of the linear range of the T8403
LVDT (possibly non-linear and accurate). Then during calibration, the firmware
accepts a value of 100% that is higher in magnitude than the 0% calibration value.
If the LVDT is not positioned this way, then you may receive a message that the
calibration must be repeated.
If LVDT is not adjusted in this fashion, the user can enter his own demodulator gain,
reseat the VP, then perform both the 0% and 100% endpoint calibration. If the
results do not yield a calibration value approaching the endpoint, then demodulator T8403
gain can be increased, and the process repeated.The Ovation Distributed Control System provides modulating control, sequential
control, and data acquisition for a variety of system applications. The local Ovation
I/O consists of a mix of functional I/O units (modules) that communicate on the
I/O bus to the Controller in the Controller’s cabinet.
Ovation I/O also provides for remote I/O functions (described in Section 27).
Remote I/O is typically used where a process requires that I/O modules be located
near the process, even though the Controller is not. The remote I/O modules are
connected to the Controller through long distance, serial media, such as fiber-optic
cables.
Product picture display
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