Yokogawa EJX438B - Manual (Page 18)

<3. Component Names>
3-1
IM 01C27H01-01EN
3. Component Names
EJX118B
* See below
for details
EJX438B
F0301.ai
Transmitter
section *
Diaphragm seal
with flushing connection ring
Flushing
connection ring
Drain/vent plug
Cover flange
Diaphragm seal
(high pressure side)
Diaphragm seal
(low pressure side)
Capillary tube
Cover flange
Pressure-
detector section
Diaphragm seal
Pressure-
detector section
Transmitter
section *
* See below
for details
Figure 3.1 Component Names (External View of Flush type)
Pressure-detector section
Antenna (Note 3)
F0302.ai
YES (Note 2)
(Write disabled)
NO
(Write enabled)
Zero-adjustment screw
Ground terminal
RF assembly
CPU assembly
Cover flange
Bolt
Transmitter section
Amplifier cover
Mounting screw
Integral indicator
Hardware write protection switch (WR)
Write Protection
Write Protection
Switch Position
(Note 1) H L
E D
H L
E D
Slide switch E WR D
Not in use
Write protection
switch
Note 1: Write Protection is set by sliding the hard write protection switch (WR) shown in figure. The hardware write protection switch is
set to the E side (Write enable) for delivery. Set an unused switch to H side.
Note 2: When the switch is D side (write protection setting), provisioning is acceptable. For details of provisioning, refer to section 7.4
“Connecting to Field Wireless Network”.
Note 3: The detachable antenna is applied when the amplifier housing code 7 or 8 is specified.
Figure 3.2 Component Names (Details of Transmitter section)
Table 3.1 Display Symbol
Display Symbol Meaning of Display Symbol
Display mode is ‘square root’. (Display is not lit when ‘linear’ mode.)
▲ The output signal being zero-adjusted is increasing.
▼ The output signal being zero-adjusted is decreasing.
Write protect function is enabled.