<3. Parameter Setting>
3-10
IM 01C50T03-02EN
IMPORTANT
• The Test Output by the forced output function
is automatically canceled 10 minutes (it is
changeable by F30:RELEASE TIME setting)
after changing to MANUAL MODE. Even if the
power of the configuration tool is turned off or if
the communication cable is disconnected during
test output execution, the Test Output state is
maintained.
• If you wish to cancel the Test Output immediately,
select the NORMAL MODE with “F10:OUTPUT
MODE”. Also, when the temperature transmitter
is turned off, the Test Output is canceled.
• If “I30:OUTPUT” is set to 4 mA or 20 mA, the
MANUAL MODE cannot be set using F10.
NOTE
If the temperature transmitter has the integral
indicator, “TEST” is displayed in the lower row
along with its output level (% indication) during test
output.
Also, “AL.70” alarm (Output Man Mode alarm) is
generated during Test Output. This informs that
the Test Output is in progress; this is not abnormal.
3.2.9 Burnout Function
(1) Setting the output state at sensor burnout
If a sensor mapped to the PV value is broken or if
it has become disconnected from the terminal, you
can set the output state.
The following shows the setting parameters related
to the sensor burnout.
Parameter
Settings
Remarks
E40:
BURN OUT
Operation setting
of burnout
function
HIGH (21.6 mA)
LOW (4 mA)
USER (The value
set in E41 or
E42)
OFF (Hold with
previous output
value)
E41:
BURN OUT mA
Specify the
burnout output in
mA when “USER”
is selected.
It is also reflected
in E42
E42:
BURN OUT %
Specify the
burnout output
in % format
when “USER” is
selected.
Also reflected in
E41
*
Either E41 or E42 can be set, and they are reflected
mutually.
If a sensor is burnt out, alarm AL.09, AL.10 to AL.13, or
AL.22 occurs.
CAUTION
If the sensor burnout is set to OFF, it is held by
the previous output value, however, at this time a
time lag before the sensor abnormality is detected.
Therefore, the current outputs according to the
abnormal measured value (the value set by
“I40:NRML MIN OUT” or “I41:NRML MAX OUT”).
Be sure to understand this point when setting to
“OFF”.
(2) Display of output state of hardware
abnormal value
Parameter
name
Display
Description
E43:TX
FAILURE
HIGH:
110% (21.6 mA)
LOW:
-5% (3.2 mA)
The output state
at hardware
abnormality
setting can be set
by the slide switch
of the MAIN
assembly.
