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 u nits in all display and position
reporting modes.

Configuring Mechani cal Units (User Units)

This option allows you to select the units of dist ance, ve locity, and acceleration u sed in the s yst em.
The units act only as a label and actual unit scaling is achieved by properly setting the gear ratio in
EDIT > SETUP > MECH > RAT IO. The unit of STEPS can be selected by toggling between R EVS
and STEPS ( F3).
1. Press F1 for inches; press F2 for millimeters; or toggl e F3 for revolutions per second or steps.
2. Press ESC.

Configuring Units Gear Ratio

This opti on allows you to enter th e des ired unit s-scal ing-ratio for dist ance, velocit y, 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 n umeric key and th e Numerator value entr y 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 - - - -
_