ProMinent DULCO flex Control Original Operating Instructions page 40

Supplementary operating instructions for Modbus RTU
Register Designation
1200 Start/stop pump
1211 Target capacity
1215 Metering volume per batch
mode triggered
1217 Metering time for batch
1221 Metering volume per contact
mode triggered
1223 Auxiliary capacity
1225 Activate concentration mode BOOLEAN 0 - INACTIVE
1226 "Desired final concentration"
concentration mode
1229 Target operating mode
1233 Priming duration
1234 Clear counter
1235 Trigger a batch/contact cycle UINT16
1236 Delete error requiring
acknowledgement
40
Type Display / purpose
UINT8 Bit 0 - Start/Stop via bus
(0=PUMP STOPS; 1=PUMP ACTIVE OR IN
STANDBY)
Bit 1 - Start/Stop via Modbus-TimeOut
(0=no TimeOut; 1=TimeOut)
FLOAT32 Dependent on
- dosing head fitted
- device context (e.g. set suction stroke)
- ...
FLOAT32 Specification for batch mode value range:
min. value is derived from the dosing head,
the max. value is also from the metering time set
UINT16 Min/max values are also controlled by specifying the
"Metering time for batch"
1 ... 10,000 sec
FLOAT32 Specification for contact mode
0.00 001 ... 99.99 l / Contact
FLOAT32 Dependent on
- dosing head fitted
- device context (e.g. set suction stroke)
- ...
1 - ACTIVE
FLOAT32 0.01 ... 100 000 ppm
Enum 0 - EXTERNAL STOP
1 - MANUAL
2 - CONTACT
3 - BATCH
4 - ANALOGUE
UINT16 1 ... 60 sec
Enum 0 - CLEAR STROKE COUNTER
1 - CLEAR QUANTITY COUNTER
2 - CLEAR CONTACT MEMORY
3 - CLEAR ALL COUNTERS
When a Modbus message with this register number
and user data pattern "0x5555" is received,
depending on the operating mode set, a batch or
contact cycle is triggered
UINT16 When a Modbus message with this register number
and user data pattern "0x5555" is received, all errors
requiring acknowledgement are reset