Yokogawa EJA438 - Manual (Page 18)

IM 1C22J1-01E 3-1
3. COMPONENT NAMES
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
H
L
H
L
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 2 , gf/cm 2 , mbar, bar,
atm, mmHg, mmH
2
O, inH
2
O, inHg, ftH
2
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)