Tab. 31: These register inputs are all only for function code “0x03” (Read only).
Register Designation Type Display / purpose
1000 Status register UINT32 Bit 0 - Motor status (0 = idle, 1 = running)
Bit 1 - System-Ready-Flag (0 = not ready to start, 1 = ready
to start)
Bits 2 - 4 Operating mode (0 = halt; 1 = manual; 2 = batch;
3 = contact; 4 = analogue)
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 - Fieldbus (Fieldbus mode enabled)
Bit 13 - Hose is being changed ( 1 = currently being
changed)
Bit 14 - Batch mem. (Batch memory is activated)
Bit 15 - Calibration (Pump is calibrated)
Bit 16 - Calibration currently active
Bit 17 - Direction of rotation (0 = clockwise, 1 = counter-
clockwise)
Bit 18 - reserved
Bit 19 - Hose rupture (Hose rupture option is installed)
Bit 20 - Concentration (Concentration calculation is acti‐
vated)
Bits 21 - 31 - reserved
1002 Error flags (1st reg‐
ister)
UINT32 Bit 0 - ERROR, CONFIGURATION DATA (SYSTEM)
Bit 1 - ERROR, POWER INPUT TOO LOW
Bit 2 - ERROR, POWER INPUT TOO HIGH
Bit 3 - ERROR, LEVEL
Bit 4 - ERROR, HOSE RUPTURE
Bit 5 - ERROR, METERING MONITOR
Bit 6 - ERROR, DIRECTIONAL CHANGE
Bit 7 - ERROR, TEMPERATURE TOO HIGH
Bit 8 - ERROR, INITIALISATION (SYSTEM)
Bit 9 - RESERVED
Bit 10 - ERROR, INVALID METERING PARAMETER
Bit 11 - RESERVED
Bit 12 - RESERVED
Bit 13 - ERROR, UNDERVOLTAGE
Bit 14 - RESERVED
Bit 15 - ERROR, HOSE CHANGE ABORTED
Bit 16 - ERROR, MEMORY OVERFLOW
Supplementary operating instructions for Modbus RTU
40
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