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Chapter 5 - Configuring Impulse with an IDC Keypad
5-15
MECHANICAL SETUP
The MECH SETUP menu allows you to configure (enter) the mechanical units and gear ratio for
your application. Once configured, your keypad will use these units in all display and position
reporting modes.
Configuring Mechanical Units (User Units)
This option allows you to select the units of distance, velocity, and acceleration used in the system.
The units act only as a label and actual unit scaling is achieved by properly setting the gear ratio in
EDIT > SETUP > MECH > RATIO. The unit of STEPS can be selected by toggling between REVS
and STEPS (F3).
1. Press F1 for inches; press F2 for millimeters; or toggle F3 for revolutions per second or steps.
2. Press ESC.
Configuring Units Gear Ratio
This option allows you to enter the desired units-scaling-ratio for distance, velocity, and
acceleration. The ratio is motor revolution per user unit. Note: If user units REVS or STEPS has been
selected, the Units Gear Ratio will be a “Fixed Ratio.” Inches or millimeters must be selected to
allow entry of a gear ratio (see “Configuring Mechanical Units above).
To change the Numerator (motor revs):
1. Press any numeric key and the Numerator value entry screen
will appear. In the example to the right, #1 was pressed.
2. Enter the numerator value. Any number can be entered by moving the cursor to the left.
3. Press ESC.
To change the Denominator (user unit):
1. Press the right arrow key (→) and the Denominator value
entry screen will appear.
2. Using the numeric keys, enter the numerator value.
3. Press ESC.
> SETUP > MECH
EDIT
MECH SETUP
UNITS RATIO
> SETUP > MECH > UNITS
EDIT
User Units
[INCH] MM REVS
> SETUP > MECH > RATIO
EDIT
Units Gear Ratio
1 to 1
- - - - Numerator - - - -
1 _
- - - - Denominator - - - -
_