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Write registers for (re)setting values
INT16
Parameter
Write register: function code 0x06
Reset MIN value temperature
Reset MIN value standardized flow
Reset MIN value mass flow
Reset MIN value standardized volume flow
Reset MAX value temperature
Reset MAX value standardized flow
Reset MAX value mass flow
Reset MAX value standardized volume flow
Reset consumption meter
FLOAT32
Write register: function code 0x10
Process pressure in mbar
1) Register number (decimal) starts from 1.
2) Register address (hexadecimal) starts from 0.
Tab. 8
EE741 registers for device setup
Modbus RTU Setup
Baud rate
Data bits
Parity
Stop bits
Modbus address
Tab. 9
Modbus RTU protocol settings
PLEASE NOTE
The recommended baud rate for several devices in the Modbus RTU network is 9 600.
Device address, baud rate, parity and stop bits can be set via:
▪
EE-PCS Product Configuration Software and the USB configuration adapter HA011066. Please also refer to
chapter 6.2 USB Configuration Interface.
The EE-PCS10 can be downloaded free of charge from www.epluse.com/configurator.
▪
Modbus protocol in the register 1 (0x00) and 2 (0x01).
See Application Note Modbus AN0103 (available at www.epluse.com/ee741).
The serial number as ASCII-code is located in read-only registers 1 - 8 (0x00 - 0x07).
The firmware version is located in register 9 (0x08) (bit 15...8 = major release; bit 7...0 = minor release). The
sensor name as ASCII-code is located in read-only registers 10 - 17 (0x09 - 0x11).
NOTICE
When reading information that spans multiple registers, it is always necessary to read all registers, even if
the desired information requires less.
Factory settings
9 600
8
Even
1
240
1)
Register number
[DEC] Register address
1
2
3
4
5
6
7
8
9
18
Selectable values
9 600, 19 200, 38 400
8
None, Odd, Even
1 or 2
1...247
Inline Flow Sensor for Compressed Air and Gases | 22
User Manual EE741
2)
[HEX]
0
1
2
3
4
5
6
7
8
11
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