IMP Pumps NMTC module - Manual (Page 38)

38
Address Register name Description
208 ControlMode
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.
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
address Register name
Range Resolution Description
301 Head 0.01 m
Pump head estimation in meters of
water column.
302 Flow 0.1 m 3 /h Pump flow estimation.
303 Efficiency 0.01 % Estimated pump efficiency.
304 Speed 1 rpm Motor speed.
305 Frequency 0.1 Hz
Motor frequency
[100.0Hz for 3000rpm and 4 pole
motor].
306..307 RESERVED
308 ActualSetPoint 0..10000 0.01%
Indicates actual setpoint of the pump.
(-1 for internal pump regulation). tbd
309..311 RESERVED
312
313
PowerHI
PowerLO
0..2 32 1 W
Total power consumption of the
system.
314..317 RESERVED
318 CircuitTemp
-5500..
16000
0.01 °C
Power electronics hotspot
temperature.
319 MotorTemp
-5500..
16000
0.01 °C Motor compartment temperature.
320..321 RESERVED
322 LiquidTemp
-5500..
16000
0.01 °C Liquid temperature.
323..326 RESERVED
327
328
OperationTimeHI
OperationTimeLO
1 hour
Total operation time (above zero
speed) of the pump. 8
329
330
TotalPoweredTimeHI
TotalPoweredTimeLO
1 hour Total power-on time of the module. 8
331 RESERVED
332
333
EnergyHI
EnergyLO
1 kWh
Total energy consumption of the
system. 8
8 Not available on all models.