Reg‐
ister
Description Type Display / purpose
1217 Metering time for batch U16 Min-/max values are also controlled by specifying
the "Metering time for batch"
1 … 10,000 sec
X
1219 Contact factor U16 Step-downs also possible for each contact
detected
0.01 … 99.99 strokes / contact
X
1221 Metering volume per contact
mode triggered
FLOAT
32
Specification for contact mode
0.00 001 … 99.99 l / contact
X
1223 Auxiliary capacity FLOAT
32
Dependent on
- dosing head fitted
- device context (e.g. adjusted suction stroke)
- …
X
1225 Activate concentration mode BOO‐
LEAN
0 - INACTIVE
1 - ACTIVE
X
1226 "Desired concentration" con‐
centration mode
FLOAT
32
0.01 … 100,000 ppm X
1228 Operating mode BOO‐
LEAN
GMXa and GXLa:
0 - AUTOMATIC OFF MODE
1 - AUTOMATIC ON MODE
Peristaltic pumps:
0 - AUTOMATIC ON (specified in litres)
1 - AUTOMATIC OFF (specified in revolutions)
X
1229 Target operating mode Enum 0 - EXTERNAL HALT
1 - MANUAL
2 - CONTACT
3 - BATCH
4 - ANALOGUE
X
1230 Target sub-operating mode Enum 0 = NO SUB-OPERATING MODE
1 - PRIMING
2 - AUXILIARY MODE
3 - BATCH TIME CONTROL
4 - BATCH GANGLINIE
5 - BATCH ANALOGUE-CONTROLLED
VOLUME
6 - BATCH ANALOGUE-CONTROLLED FRE‐
QUENCY
7 - BLEEDING
8 - CALIBRATION
X
Supplementary Operating Instructions for Modbus RTU
55