Yokogawa EJX115A - Manual (Page 10)

<2. Connection>
2-1
IM 01C25T01-06EN
2. Connection
2.1 Integral Indicator Display
When Powering On
For models with the integral indicator code “D”, the
display shows all segments in the LCD and then
changes to the displays shown below sequentially.
All segments display Model name (3 s)
Communication Protocol (3 s) Device Revision (3 s)
F0200.ai
Either “5” or “7” is displayed on the “Communication
Protocol” display as HART protocol revision
followed by device revision number on the “Device
Revision” display.
NOTE
This function is available for software revision
2.02 or later.
Software revision can be checked by the
following procedure.
DD and DTM
(excluding EJX_
HART 5[1.2])
[Root Menu](Refer to subsection
3.1.1) → Review → Software rev
EJX_HART 5[1.2]
DTM
Configuration → Device
information1 → Software rev
NOTE
In this User’s Manual, HART protocol revision
5 and 7 are described as HART 5 and HART 7
respectively.
NOTE
LCD display can be set to “All segments display”
only.
• Procedure to call up the display
DD (HART 5/7)
DTM (HART 7
/EJA:HART 5)
[Root Menu] (Refer to subsection
3.1.1) → Detailed setup → Display
condition → Chg power on info
DTM
(EJX:HART 5)
Configuration → Local Display
→ Chg power on info
ON
Show all segments display, Model
name, Communication Protocol, and
Device Revision when powering on.
OFF
Show all segments display when
powering on.
2.2 HART Protocol Revision
For the models with the output signal code “-J”,
HART protocol revision 5 or 7 is selectable. The
protocol revision is set as specified in the order.
The typical function which is available by HART
protocol revision 7 is listed as follows. Refer to
HART 7 description in this document or
HART 7
mark
for detail.
• Long Tag Supporting Up to 32 Characters
Long tag secures a better asset management
with abundant digits in its software.
• Enhanced Burst Mode and Event Notification
Advanced burst mode includes the variety
of transmission setting by specifying burst
variables, update period, and message trigger
mode, and event notification function gives
you alert signal based on the status change in
preset values and self-diagnosis.
• Squawk
Identifying the transmitter by displaying the
particular pattern on LCD
• Multidrop Communication
Up to 63 transmitters can be connected. An
analog signal output available for one device in
a loop.
How to confirm protocol revision is shown below.
There are three ways to confirm the protocol
revision set to the transmitter.