Delta MMC120 User Manual Page 14

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method; it is described in Using the Scale/Offset Calibration Utilities.
Manually calculate and enter the Scale and Offset parameters. Refer to the
Scale and Offset topics for details on calculating these fields.
6. Set the Extend and Retract Limits of Each Axis
The DCS120-Win has software-enforced Extend and Retract Limits. This
procedure describes setting these limits by moving the axis to each limit and
entering the appropriate value in each field.
Repeat the following steps for each axis:
A. Using one of the following methods, move the axis to the extend limit:
Use a control box (diddle box) that can electrically drive the valve or
motor.
Manually position the motor or cylinder.
Use the Drive Test procedure described in step 4 above.
B. In DCS120-Win, enter the value in the Actual Position field for the axis into
the axis’s Extend Limit parameter.
C. Using any of the above three methods, move the axis to the retract limit.
D. In DCS120-Win, enter the value in the Actual Position field for the axis into
the axis’s Retract Limit parameter.
7. Tune Each Axis
NOTE: The monitor program is extremely useful; we recommend you use it to
configure, tune, and troubleshoot the system. Refer to Using Graphs of
Axis Moves for information about creating plots of moves.
The next step is to tune the position control of each axis. For details see Tuning a
Position Axis.AtthispointAUTO STOP should be set to 0xE0E0 so any
transducer error on the axis will cause it to stop, but other errors will not. Check
the STATUS word for errors after each move.
8. Save Your Configuration Settings
There are several possible places to store the settings to the MMC120 module:
FLASH Memory
All MMC120 settings can be saved in the MMC120’s FLASH by issuing a
single command. Refer to FLASH Memory for details.
DCS120-Win Disk Files
All parameters and tables can be saved to and loaded from disk. The table
editors and main screen each has a Save command under the File menu that
can be used to save settings.
Programmable Controller Memory
It is highly recommended that the MMC120 settings be stored in the Quantum
Controllers memory. This allows the MMC120 module to be replaced without
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