Yokogawa EJA118 - Manual (Page 18)

IM 1C22H1-01E 3-1
3. COMPONENT NAMES
3. COMPONENT NAMES
Transmitter section*
*See below for details.
Pressure-detector section
Cover flange
Diaphragm seal
(high pressure side)
Diaphragm seal
(low pressure side)
Diaphragm
Flange
Capillary tube
F0301.EPS
Figure 3.1.1 Component Names (Model EJA118W 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. 7.3.3 (11).
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
Display mode is ‘square root’. (Display is not lit when ‘proportional’ mode.)
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)