ABB ACQ810 - Page 272

272 Parameters
Protect Detection of low inlet pressure produces an alarm after the
delay defined by parameter 81.07 Inlet ctrl dly expires. The
pump speed is reduced to the speed defined by 81.08 Inlet
forced ref.
3
81.02 AI measure inlet Selects the analog input (or signal source) for pump inlet
pressure measurement.
AI1 scaled 02.05 AI1 scaled (see page 113 ). 1073742341
AI2 scaled 02.07 AI2 scaled (see page 113 ). 1073742343
AI3 scaled 02.09 AI3 scaled (see page 113 ). 1073742345
AI4 scaled 02.11 AI4 scaled (see page 11 4 ). 1073742347
AI5 scaled 02.13 AI5 scaled (see page 114 ). 1073742349
Pointer Value pointer setting (see Terms and abbreviations on page
109).
-
81.03 AI in low level Pressure limit for primary inlet pressure supervision. See
parameter 81.01 Inlet prot ctrl.
0.00 … 32767.00
bar
Pressure limit. 100 = 1 bar
No. Name/Value Description FbEq
Measured inlet
pressure
Time
81.05 AI in very low
81.03 AI in low level
81.07 Inlet ctrl dly
Speed reference
81.08 Inlet forced ref
Time
08.21 Pump alarm word, bit 2
0
1
06.20 Pump status word, bit 16
0
1
Time
Time
08.21 Pump alarm word, bit 4
0
1
Time