Variables, 1 device variables, 2 dynamic variables – Tecfluid MX4B User Manual

Page 20: Commands, 1 universal commands, Analog output, Modem hart

Number Classification

Name Units

code

0 66 Flow

rate

16, 17, 18, 19, 22, 24, 28,
30, 131, 136, 137, 138

1 68

Totalized
volume

40, 41, 42, 43

4 VARIABLES

4.1 Device

variables

The MX4H converter has 2 device variables:

4.2 Dynamic

variables

There is only one dynamic variable in the device. This is the flow rate and it is associated
to the loop current.

5 COMMANDS

5.1 Universal

commands

All universal commands are available. Commands with some points to take into account
are:

Command 3. It returns the “Primary variable” with 9 data bytes in the response.

Command 14. Returns the following frame:
“0x00, 0x00, 0x00, PV units code, 0x7F, 0xA0, 0x00, 0x00, 0x7F, 0xA0, 0x00, 0x00, 0x7F,
0xA0, 0x00, 0x00”
This frame indicates the master that the MX4H converter has not transducer information
implemented.

Connection diagram

Analog output

Modem HART

This manual is related to the following products:

MX4H