Ashcroft GC51 - Industrial Rangeable Pressure Transmitter Manuel d'utilisateur télécharger pdf (Page 17)

Select the filter of “8 times” ⇒ Setting item 

Select the “Pressure display mode” ⇒ Setting item 

Set output zero point as “10.0%F.S.” (10 psi) ⇒ Setting item



Set output span point as “90.0%F.S.” (90 psi) ⇒ Setting item 

Setting Example 1: Pressure Display Mode

Using a standard pressure range of 0 to 100 psi, the steps to

change the display and analog output zero and span points to 10

and 90 psi respectively are as follows: First, set the Filter. In this

case set at 8 times (where the output is based upon the moving av-

erage equivalent to the pressure data per 30ms for 8 “periods”

(240ms).

After Power On, hold “M” button >3 seconds to enter Setting Mode.

Display will show “U xxx” (version control), press “M” to enter Filter

selection option, display will show “F” and the setting, use Up and

Down arrow keys for desired setting. To move from Setting item 1 to

2 (etc.) press M, when desired Setting function has been com-

pleted hold the “M” button for greater than 3 seconds to return to

Measurement Mode.

Note: see page 24 for full menu.

FURTHER DETAIL of the menu and button sequence is shown in

Sections 13.1-13.3.

Pressure Display and Analog Output

Pressure Display Analog Output

PSI mA

Output span point 90 ⇒ 20

50 ⇒ 12

Output zero point 10 ⇒ 4

While in Setting Mode press “M” button until display shows “A

000.0”, using Up and Down arrow keys adjust to desired setting

which is set as a % of FS, thus to display and output 10psi adjust

using Up Key until “10.0” is showing, then press “M,” display will

show “A 100.0” which is for Span adjustment as a %FS, thus using

Down key adjust value to “90.0” which will correspond to 90psi

(20mA) as the new Full Scale value.

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Ashcroft GC51 - Industrial Rangeable Pressure Transmitter Manuel d'utilisateur Page 17