Modbus Registers

 

The eFlo Modbus registers are as follows.

 

Modbus Register Number

Description

16

Actual Flow

17

Flow Sensor mA Input Value

18

Flow Setpoint

19

Decimal Place for Display of Flow and Setpoint

20

Instrument Modbus Address

21

Not Used

22

Inlet Pressure

23

Differential Pressure

24

Gas Temperature

25

Valve Position

26

Not Used

27

Not Used

28

Air Flow

29

Not Used

30

Deviation Alarm Setpoint

31

Low Pressure Alarm Setpoint

32

Low Flow Alarm Setpoint

33

High Flow Alarm Setpoint

34

Alarm byte

35

Auto (1) / Manual (0) for Control

36

Not Used

37

Reset Totalizer Values to Zero

38

Not Used

39

Totalizer Units (0 to 9999)

40

Totalizer in 10,000s (0 to 9999 -> 0 to 99,990,000)

41

Totalizer in 10,000,000s (0 to 9999 -> 0 to 999,900,000,000)

Table 4 - Modbus Registers and Descriptions