Reg‐
ister
Description Type Display / purpose
2204 "Fault threshold cont. mode"
level monitoring
UINT8 With continuous level monitoring:
Specification of a threshold value (in [%] of the
maximum liquid level); if this threshold value is not
reached, a fault is generated by the level moni‐
toring
0 … 100%
X
2205 "Unit liquid level" level moni‐
toring
BOO‐
LEAN
This setting enables the continuous level meas‐
urement unit to be selected
0 - LEVEL DATA IN % (RELATIVE TO THE MAX‐
IMUM)
1 - LEVEL IN LITRES (ABSOLUTE FIGURE)
X
2206 "Total volume storage tank"
level monitoring
UINT16 Specifying the capacity of the storage tank with
the feed chemical
1 … 65535 l
X
2207 "Fault as warning" level moni‐
toring
BOO‐
LEAN
This setting can be used to issue a detected level
fault externally as a level warning
0 - STANDARD BEHAVIOUR
1 - ERROR ==> WARNING
X
3.9.10 "Debugging data" register
These register inputs are all only for function code "0x03" (Read
only).
Reg‐
ister
Description Type Display / purpose
3000 Temperature of printed circuit
board
FLOAT
32
X
3002 Solenoid type UINT8 Information about the solenoid fitted
0 - UNDEFINED
1 - 70 SOLENOID
2 - 85 SOLENOID
X
3003 Current solenoid position UINT8 Under certain conditions (including stroke rate <
3600 strokes / h), a progress bar will be shown on
the display, which presents the solenoid stroke
length and from which the current position of the
solenoid can be seen
X
3004 Actual position FLOAT
32
X
3006 Physical value solenoid current FLOAT
32
X
3008 Physical value intermediate cir‐
cuit voltage
FLOAT
32
X
3010 Maximum air gap dimension FLOAT
32
X
Supplementary Operating Instructions for Modbus RTU
63
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