2 basic setup, 1 tag and device information, 2 unit – Yokogawa EJA440E User Manual
Page 25: Basic setup -12 3.2.1, Tag and device information -12, Unit -12, 2 basic setup important, O, inh, O, and fth
<3. Parameter Setting>
3-12
IM 01C25T01-06EN
3.2 Basic Setup
IMPORTANT
After setting and sending data with the HART
configuration tool, wait 30 seconds before
turning off the transmitter. If it is turned off
too soon, the settings will not be stored in the
transmitter.
3.2.1 Tag and Device Information
If there are specified when ordering, the desired Tag
No. and device information are set and shipped.
Tag No. and device information can be checked as
follows.
• Procedure to call up the display using by DD
and DTM (excluding EJX HART 5 DTM based
on FDT1.2)
Item
Procedure
Tag
[Root Menu] → Basic setup → Tag
Long tag
(HART 7 only)
[Root Menu] → Basic setup → Long
Tag
Descriptor
[Root Menu] → Basic setup → Device
information → Descriptor
Message
[Root Menu] → Basic setup → Device
information → Message
Date
[Root Menu] → Basic setup → Device
information → Date
• Procedure to call up the display by EJX HART 5
DTM based on FDT1.2
Item
Procedure
Tag
Easy Setup → Tag
or Configuration → HART → Tag
Descriptor
Configuration → Device information 1
→ Descriptor
Message
Configuration → Device information 1
→ Message
Date
Configuration → Device information 1
→ Date
When the Tag No. and device information are
changed, input them based on the following
limitations.
Item
Limitations
Tag
Up to 8 characters or numbers*
1
Long tag
(HART 7 only)
Up to 32 characters or numbers*
2
Descriptor
Up to 16 characters or numbers*
1
Message
Up to 32 characters or numbers*
1
Date
mm/dd/yyyy
- mm: month (2 digits)
- dd: days (2 digits)
- yyyy: years (4 digits)
*1: The characters bounded by the thick line in the following
table can be used.
*2: All characters in the following table can be used.
SP
!
"
#
$
%
&
'
(
)
*
+
,
-
.
/
0
1
2
3
4
5
6
7
8
9
:
;
<
=
>
?
@
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
[
\
]
^
_
`
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
{
|
}
~
*: SP shows one-byte space
3.2.2 Unit
The unit parameter is set at the factory before
shipment if specified at the time of order. Follow the
procedure below to change the unit parameter.
• Procedure to call up the display
DD and DTM
(excluding EJX_
HART 5[1.2])
[Root Menu] → Basic setup →
Unit
EJX_HART 5[1.2]
DTM
Easy Setup → Unit or
Configuration → Analog Output
→ Unit
Note that the Yokogawa default setting for the
standard temperature is 4°C (39.2°F). For the units
of mmH
2
O, inH
2
O, and ftH
2
O, the pressure varies
according to the standard temperature definition.
Select the appropriate unit with @68degF when a
standard temperature of 20°C (68°F) is required.
Available pressure units are shown below.
inH
2
O@68degF
inHg
ftH
2
O@68degF
mmH
2
O@68degF
mmHg
psi
bar
mbar
g/cm
2
kg/cm
2
Pa
kPa
torr
atm
MPa
inH
2
O
mmH
2
O
ftH
2
O
hPa