Ratio – Rockwell Automation 1398-DDM-xxx USE MNL/ULTRA 200 DIG.SERVO.DR User Manual

Page 254

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Publication 1398-5.0 – October 1998

C-8

TouchPad Instructions

Ratio

A

FolRatio

(gear ratio) longer than eight characters may require

scrolling with the

and

keys. The ratios are numeric values that

increment or decrement by 1 each time the

, or

, key is pressed.

The method of display is dependent on the length of the ratios:

If the ratio is eight characters or less, it is displayed in full.

For example, a Master to Follower ratio of one-thousand to nine-
hundred is displayed as

1000:900

.

If the ratio requires more than eight characters the ratio is
displayed in two parts: a Master Ratio and a Follower Ratio. The
position of the colon (:) after or before each numeric value
indicates Master or Follower for these larger ratios. The

and

keys toggle between the Master Ratio and the Follower Ratio.

For example: A Master to Follower ratio on 1001:1000 is
displayed in two separate displays. The Master Ratio is displayed
as

1001:

and pressing

displays the Follower Ratio

:1000

.

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