Yokogawa EJA438 Bedienungsanleitung PDF herunterladen (Seite 18)

IM 1C22J1-01E

3-1

3. COMPONENT NAMES

Transmitter section*

*See below for details.

Pressure-detector section

Cover flange

Diaphragm seal

Diaphragm

Flange

Capillary tube

F0301.EPS

Figure 3.1.1 Component Names (Model EJA438W External View)

F0302.EPS

Transmitter section

Integral

indicator

(Note 1)

Mounting screw

Range-setting switch

(Note 1)

(See Subsection 6.5)

Amplifier cover

Cover

flange

Zero-adjustment screw

Conduit connection

Terminal box cover

Pressure-detector section

Setting pin (CN4)

position

(Note 2)

Burn-out

direction

Output at

burn-out

HIGH

LOW

110% or

higher

5% or

lower

External indicator

conduit connection

(Note 1)

CPU assembly

Setting pin

(CN4)

Note 1: Options depend on your order specifications. For details, see Subsection 9.2, “Model and Suffix Codes.”

Note 2: • Insert the pin (CN4) as shown in the above figure into the H or L side. The pin is set to the H side for delivery (unless

option code /C1 is otherwise specified in the order).

• The setting can be confirmed by calling up parameter D52 using the BRAIN TERMINAL. Refer to Subsection. 7.3.2 (8).

Display Symbol

%, Pa, hPa, kPa, MPa, kgf/cm

, gf/cm

, mbar, bar,

atm, mmHg, mmH

O, inH

O, inHg, ftH

O, psi, Torr

Meaning of Display Symbol

The output signal being zero-adjusted is increasing.

The output signal being zero-adjusted is decreasing.

Select one of these seventeen available engineering units for the display.

T0301.EPS

Figure 3.1.2 Component Names (Transmitter Section Details)

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 71 72

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