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Red Lion GEMINI 33 User Manual

Page 17

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PRESET VALUES

The Gemini 3300 has three Preset values. Two Presets are assigned to the

Process counter and one is assigned to the Batch counter. Whenever the

counter value equals the preset value assigned to the display, an output action

will occur. This action depends on the previously programmed modes. The

preset values may range from 0 to 999,999. (Refer to “Programming the

Presets, Scale Factor, Timed Outputs & Counter Load Values” section for

instructions on entering the preset values.)

The Scale Factor will have a direct effect on the Process Counter preset

value being entered. For a Scale Factor Value greater than one, the preset

value should be an integer multiple of the Scale Factor. If it is not, the Gemini

will automatically adjust the preset value up or down to force it to be evenly

divisible by the Scale Factor.

WITH PROCESS COUNT DISPLAYED -

“1” - PRESET 1 VALUE

“2” - PRESET 2 VALUE

WITH BATCH COUNT DISPLAYED -

“1” - BATCH PRESET

SCALE FACTOR

“3” SCALE FACTOR - The Scale Factor is accessed by pressing the “3” key.

The number of pulses counted (internal Process and total count values) is

multiplied by the Scale Factor, and scale multiplier which will change the

displayed value accordingly. A Scale Factor Value of 1.0000 and a Scale

Multiplier of 1 would result in a display of the actual number of input pulses

that have been counted. The Scale Factor is used primarily for conversion

from existing pulses per unit of measure to the required displayed units. This

includes conversion from different units of measure (i.e feet to meters, etc.).

The Scale Factor Value may range from 0 to +5.9999. Refer to

“Programming the Presets, Scale Factor, Timed Outputs & Counter Load

Values” section for entering instructions. It is important to note that the

precision of a counter application cannot be improved by using a Scale

Factor greater than one. To accomplish greater precision, more pulse

information must be generated per measuring unit. For example, if 5 pulses

are being received per foot of material, the precision of 10th of feet cannot be

attained by simply programming a Scale Factor of 2.0000, even though the

display is reading in 10ths. In this case, the display will increment by two for

each count input. Thus if an odd Preset Value was entered, such as 6.7 ft., the

Gemini will alter the preset to read in even tenths of feet.

Note: Use of a small Scale Factor in conjunction with a small scale

multiplier could cause the internal count value (Process or Total Counter)

to be exceeded before the 6-digit counter value is exceeded.

COUNTER LOAD VALUES

The Counter Load Values are provided to allow the user to modify the three

counter values. The Counter Load Values of the Gemini 3300 are stored in the

unit’s non-volatile memory upon power down. Accessing the Counter Load

Value for the counter that is currently being displayed is accomplished by

pushing the “E” button, and while holding it down, also pushing the “+/-”

button. See “Programming the Presets, Scale Factor, Timed Outputs &

Counter Load Values” section for entering instructions.
“E” & “+/-” - Counter Load Value for the currently displayed counter.

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