Calibrating Encoders
Model 493.02 Controller Service
Calibration
161
Calibrating Encoders
Encoders are connected to the controller through a 493.40 Carrier I/O
board. The encoder requires the Model 493.47 Encoder Interface
daughter board to be installed in a Model 493.40 Carrier I/O board.
The Carrier I/O connector you use is based on the installed location of
the Model 493.47 Encoder Interface daughter board on the board of
the Carrier I/O module.
Determine installed
location
For automated FT SE Controllers, determine the installed location of
the Model 493.47 Encoder Interface daughter board by using the
Hardware tab on the Station Signals window. Access Station
Signals on the Station Setup window navigation pane.
Defining an input Defining an encoder sensor input signal is no different from any other
input signal. However, specific resources must be available to define
either input signal.
For automated FT SE Controllers, use the Station Builder program to
allocate an encoder to the station configuration file and assign units to
the signal.
Feedback resources labeled “Encoder Input #” or “Heidenhain 417/425
Input #” indicate that an optional encoder daughter board is installed
in the Model 493.40 Carrier I/O board.
Zeroing The encoder signal is defined in the Station Setup Inputs panel. Signal
definition is handled the same way as any other input signal.
Note Keep in mind that you cannot zero an encoder if it is selected for the
active control mode.
Note The most common use for these controls is to establish a zero
position after a specimen has been installed.
Important note Procedures for “Automated Controllers” assumes the FlexTest SE
Controller is equipped with the PC-Supervision option, and that
Exclusive Control is assigned to Station Manager. For more information
about Station Manager, see the Model 793.00 System Software manual
that accompanies your system.
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