Manual 37128A GCP-20 Series - Genset Control
© Woodward Page 135/190
Parameter 247
Monitoring for
----------------
0/4 to 20 mA input; monitoring for ... high limit mon. / low limit mon.
A fault condition is recognized when the measured value has exceeded or fallen be-
low the threshold value (
Parameter 244 or Parameter 245).
high limit mon.: The measured value must exceed the threshold value.
low limit mon.: The measured value must fall below the threshold value.
Monitoring of the Measuring Range (All Analog Inputs)
Parameter 248
Ana.input --,-
Analog inputs; monitoring of the measuring range
This message appears when the measured value exceeds or falls below the measur-
ing range occurs. A fault condition is initiated depending on the values specified
below.
NOTE
If it is determined that the measuring range has been exceeded (wire break) and a fault condition has
been initiated, limit value monitoring for the affected analog input is deactivated.
Fault conditions initiate when the measuring range is monitored at:
4 to 20 mA 2 mA and below
Pt100 240 °C and above
Pt1000 150 °C and above
PTC 16 kΩ and above
180 Ω VDO, 0 to 5 Bar 193 Ω and above
180 Ω VDO, 0 to 10 Bar 193 Ω and above
380 Ω VDO temperature 400 Ω (no tripping in the event of a wire break)
Engine Delayed Monitoring Of The Analog Inputs
Parameter 249
Ana input 1234
Superv.del. YYYY
Analog inputs; engine delayed monitoring Y/N
The analog inputs may be disabled until the engine has reached rated speed ("firing
speed reached"). This parameter specifies which analog inputs are to be constantly
enabled and temporarily disabled by configuring a "Y" or an "N" below the input
number.
Y................... Once the firing speed has been reached monitoring of the analog in-
put is enabled (the green LED "Protection" illuminates).
N................... The analog input is monitored always.
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