Smart Positioner
YT-3700 / 3750
Product Manual
Ver. 1.03
72
8.10.5 Digital Output Function (dOF)
This is used to output a specific alarm through the digital output port when triggered. Any of the
alarms below can be configured to activate digital output. Assign any alarm to one of four NE107
signals to activate a digital output even when several alarms are triggered. The initial factory setting
is OFF.
Alarm name to be assigned
to digital out port
Abbreviation on LCD
Activated by digital output signal
OFF
OFF
Not activated when alarm occurs.
Temperature High Limit
TMPH
When the internal temperature exceeds the
preset Temperature High Limit.
Temperature Low Limit
TMPL
When the internal temperature is lower than
the preset Temperature Low Limit.
Travel High Limit
TVLH
When the valve position exceeds the Travel
High Limit towards the 100 % position.
Travel Low Limit
TVLL
When the valve position is lower than Travel
Low Limit towards the 0 % position.
Deviation Timeout
DVTO
When actual deviation greater than the preset
Deviation persists longer than the preset
Deviation Time.
PST Fail
PSTF
When Partial Stroke Test failed.
Loop Current Low
LPCL
When Loop input current is below 3.8 mA
Failure
FAIL
When the events classified as Failure in
NE107 signals occur.
Functional Check
FUNC
When the events classified as Functional
Check in NE107 signals occur.
Out of Specification
OUTS
When the events classified as Out of
Specification in NE107 signals occur.
Maintenance required
MNTR
When the events classified as Maintenance
Required in NE107 signals occur.
A review of the alarms that occurred the most recently can be done through 8.12.7 View Event Log
(EVT LOG).
3 seconds
Press <UP> or
<DOWN> button
if the above is not
displayed.
Press <UP> or
<DOWN> button
if the above is not
displayed.
<UP>/<DOWN>
<ESC>
3 times