Ashcroft GC55 - Differential Pressure Transducer with Digit Manuel d'utilisateur télécharger pdf (Page 15)



Entering the setting value in function setting mode resets all of the setting

- - - - - No filter

- - - - - Time constant 25ms

- - - - - Time constant 250ms

- - - - - Time constant 2.5 sec

- - - - - Time constant 5 sec

- - - - - Time constant 10sec

7*580$.5.,=287

Select “Analog Selection” with the key. The message is

displayed for 1 sec. and then the pressure of analog output is displayed.

Select DP, P1 or P2 with the ▲▼ keys.

7*580!>=9>=$,*5270

This mode is for setting the pressure for the analog output zero point and

span point.

Display by analog selection is scaled as 0 to 100% (Zero point : 1Vdc or

4mA dc, Span : 5Vdc or 20mA dc). Select “Analog Scaling” with the

key. The message is displayed for 1 sec. and the current

pressure’s analog output zero point (1Vdc) is displayed as a percentage.

Change the numeric value with the ▲▼ keys.

The analog output span point’s pressure can be set in the same way

using the and ▲▼ keys.

Ex.) With Analog output of 1 to 5Vdc at pressure range of 0 to 100 psid (0

to 100%F.S.), output is changed to 1 to 5Vdc at 0 to 90 psid.

 Press. at time of analog output zero point: 0.0% F.S.

→

0.0% F.S.

(1Vdc output with pressure range 0% F.S.)

 Press. at time of analog output span point: 100.0% F.S.

→

90% F.S.

(5Vdc output with pressure range 90% F.S.)

$@2=,1$.==2708-.

$.=>9

In Measurement Mode press the key (release within 3 sec.) to

change to Switch Setting Mode.

$@2=,1$.==2708-.

There are two switches, OUT1 and OUT2. Both “Hysteresis (upper/

lower limit)” and “Window Comparator” operations can be selected in the

function setting mode (switch operation selection). Those two operations

can be selected at once, and can be set. Both OUT1 and OUT2 can be set

a-k

a-l

a-k

a-l

ana

MODE

f-5

f-4

f-3

f-2

f-1

f-0

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Ashcroft GC55 - Differential Pressure Transducer with Digit Manuel d'utilisateur Page 15

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