6.11.4 ECODRY plus Protocol
Table 15 Read commands
Command Description Read: Run second
Reads the run seconds of the pump
Slave Address 0x01
Function Code 0x03
Start Address Upper 0x00
Start Address Lower 0x80
Data Quantity Upper 0x00
Data Quantity Lower 0x02
CRC-16 Upper -
CRC-16 Lower -
Table 16
Write Commands
Command
Description
Slave Address
Function
Code
Start Address Data quantity
Number
of Bytes
Starting Data CRC-16
Upper Lower Upper Lower Upper Lower Upper Lower
Write:
START
STARTS the
pump via
MODBUS
0x01 0x10 0x00 0x50 0x00 0x01 0x02 0x00 0x02 TBD TBD
Write:
STOP
STOPS the
pump via
MODBUS
0x01 0x10 0x00 0x50 0x00 0x01 0x02 0x00 0x01 TBD TBD
Operation
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