Endress+Hauser Nanomass Gas Density, Руководство по эксплуатации

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Nanomass Gas Density System integration
Hauser 35
9.2.2 Data structure and commands
The commands which can be used to read measured variables and device information out of
the measuring device are listed below. The data are transmitted in packets. The data are
divided into seven packets. Only packet 5 is variable and can be used. For data interrogation,
the bytes must be specified in hexadecimal format.
Example
String entry to call up measured data: 0x01 0x00 0x00 0x00 0x08 0x02 0x03.
The device returns the following data. Please note that the string values used are only
sample values:
A0027448
Fig. 12: String entry
1 Separator
2 String name
3 String value
Packet Byte (hex) Description String output
String
name Description
1 0x01 No access possible --
2 0x00 No access possible --
3 0x00 No access possible --
4 0x00 No access possible --
5 0x05 Device information pcb No function
mtf No function
den No function
de No function
fid No function
pip No function
cus Tag name
(defined by customer)
ser Serial number
0x08 Measured data 0008 Temperature in °C
0005 Density in kg/m 3
0006 Reference density
0011 Concentration
0009 Pressure in bar absolute
6 0x02 No access possible --
7 0x03 No access possible --
@!000820.55 !00050.00062@!00060.00000@!00091.02@! @
1
2 3
1
2 3
1
2 3
1
2 3
1