Register Designation Type Display / purpose
1000 Status register UINT32 Bit 0 - reserved
Bit 1 - reserved
Bits 2 - 4 - operating mode
(0 = halt; 1 = manual; 2 = batch; 3 = contact; 4 =
analog)
Bit 5 - Error (Error present)
Bit 6 - Warnings (Warnings present)
Bit 7 - Manual stop (Pump was manually stopped)
Bit 8 - Stop (Pump is stopped)
Bit 9 - Priming (Pump is in priming mode)
Bit 10 - Auxiliary (Pump is in auxiliary operation)
Bit 11 - Pause (Pump has switched to pause)
Bit 12 - Field bus (Field bus mode enabled)
Bit 13 - Flow (Metering monitor enabled and acces‐
sories connected)
Bit 14 - Batch memory (Batch memory is activated)
Bit 15 - Calibration (Pump is calibrated)
Bit 16 - Relay 1 (Relay 1 present)
Bit 17 - Relay 2 (Relay 2 present)
Bit 18 - Analogue Out (Analogue output present)
Bit 19 - Diaphragm rupture (Diaphragm rupture
option is installed)
Bit 20 - Concentration (Concentration calculation is
activated)
Bit 21 - reserved
Bit 22 - Cavitation (Cavitation was detected)
Bit 23 - Airlock (Air was detected in the dosing
head)
Bit 24 - Overpressure (Back pressure too high)
Bit 25 - Negative pressure (Back pressure too low)
Bit 26 - Bleeding (Pump currently bleeding)
Bits 27 - 32 - reserved
1002 Error flags (1st register) UINT32 Bit 0 - CONFIGURATION DATA ERROR
(SYSTEM)
Bit 1 - POWER INPUT TOO LOW ERROR
Bit 2 - POWER INPUT TOO HIGH ERROR
Bit 3 - LEVEL ERROR
Bit 4 - DIAPHRAGM RUPTURE ERROR
Bit 5 - METERING MONITOR ERROR
Bit 6 - POSITION DETERMINATION ERROR
Bit 7 - TEMPERATURE TOO HIGH ERROR
Bit 8 - INITIALISATION ERROR (SYSTEM)
Bit 9 - DRIVE ERROR
Supplementary operating instructions for Modbus RTU
37
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