Pump Data Register Block - IMP PUMPS NMT Max C Installation And Operating Manual

206 ErrorCode2
207 ErrorCode3
208 ControlMode

7.11. PUMP DATA REGISTER BLOCK

Registers in this block can be read by means of function codes 0x03 and/or 0x04. They
are read-only.
Modbus
Register name
address
301 Head
302 Flow
303 Efficiency
304 Speed
305 Frequency
306..307 RESERVED
308 ActualSetPoint
309..311 RESERVED
312 PowerHI
313 PowerLO
314..317 RESERVED
318 CircuitTemp
319 MotorTemp
320..321 RESERVED
322 LiquidTemp
323..326 RESERVED
327 OperationTimeHI
328 OperationTimeLO
329 TotalPoweredTimeHI
330 TotalPoweredTimeLO
331 RESERVED
332 EnergyHI
333 EnergyLO
8 Not available on all models.
Second error code. Non-zero when there is more than one error. See
section "8.1 Error codes" for code details.
Third error code. Non-zero when there is more than two errors. See
section "8.1 Error codes" for code details.
Indicates the actual control mode.
0 = AutoHeadMode (Automatic head mode)
1 = ProportionalHead (Head proportional to flow)
2 = ConstantHead (Head is kept constant)
3 = ConstantRPM (Speed is kept constant).
NOTE: values outside this range reserved.
See section "4.2 Control variables" for exact parameter to be controlled.
Range Resolution
0.01 m
0.1 m
0.01 %
1 rpm
0.1 Hz
0..10000 0.01 %
0..2 32 1 W
-5500.. 0.01 °C
16000
-5500.. 0.01 °C
16000
-5500.. 0.01 °C
16000
1 hour
1 hour
1 kWh
Pump head estimation in meters of
water column.
3 /h Pump flow estimation.
Estimated pump efficiency.
Motor speed.
Motor frequency
[100.0 Hz for 3000 rpm and 4 pole
motor].
Indicates actual set point of the pump.
(-1 for internal pump regulation). tbd
Total power consumption of the system.
Power electronics hotspot temperature.
Motor compartment temperature.
Liquid temperature.
Total operation time (above zero speed)
of the pump.
Total power-on time of the module.
Total energy consumption of the
system. 8
Description
8
8
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