Yokogawa EJA440E Bedienungsanleitung PDF herunterladen (Seite 17)

<3. Operation>

3-9

IM 01C25T03-01E

The low cut point has hysteresis so that the output

around the point is behaved as below gure.

Output mode: Linear

Low cut mode: Zero

Low cut: 20.00%

F0319.ai

Setting range: 0 to 20%

2% 2%

4mA

Output Low cut point

Input

Hysteresis

fixed at 10%

of the cut point

7.2mA

(20%)

(6) Integral Indicator Scale Setup

The following ve displays are available for integral

indicators: input pressure*

, % of range, user

set scale, input static pressure, and % of static

pressure range*

. A cycle of up to four displays can

be shown by assigning variables to the parameters

I10 to I13: DISP OUT1 to DISP OUT4.

F0320.ai

Available displays

Input pressure

(PRES)

% of range

(PRES %)

User set scale

(ENGR. PRES)

Input static pressure

(SP)*

% of static pressure range

(SP %)*

Indicates values of input pressure

with the indication limits -32000 to

32000.

Indicates input pressure in -2.5 to

110% range depending on the

measuring range (C21, C22).

Indicates values depending on the

engineering range (I33, I34) with

the unit (I30).

Indicates input static pressure with

the indication limits -32000 to

32000.

Reference pressure is factory-set

in absolute.

Indicates input static pressure in

-10 to 110% range depending on

the measuring range (D33, D34).

A11:PRES

456 kPa

Description

and related parameters

A10:OUTPUT

45.6 %

A16:ENGR.OUTPUT

20.5 m3/min

A17:ENGR.EXP

×100

A21:SP

4.000 MPa

A20:SP %

52.6 %

*1: Available for differential pressure transmitter.

See (a.) through (d.) for each setting procedure.

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