Union Instruments CWD2005 SPC, Original Operating Instructions, Page: 107 / 110

Appendix
107
16 Appendix
Data Structure Profibus
Nr. Typ Bytes Bytes tot. Name Description Source
1 FLOAT
4 4
Heating value measuring unit: kJ/m³ CWD
5
2 FLOAT 4 8 calorific value measuring unit: kJ/m³ CWD
3 FLOAT
4 12
Wobbe i lower Wobbe index: measuring unit:: kJ/m³ CWD
4 FLOAT 4 16 Wobbe s
upper Wobbe index: measuring unit::
kJ/m³
CWD
5 FLOAT 4 20 Dv relativ density, without dimension CWD
6 FLOAT
4 24
Reserve CWD
7 FLOAT 4 28 Reserve CWD
8 FLOAT 4 32 Tein Air temp. CWD thermo, unit °C CWD
9 FLOAT 4 36 CO Unit: % (only CWDs with CO modul) CWD
10 FLOAT 4 40 Air min
Min. Luftbedarf, Einheit: m³ Luft / m³ Gas
(nur bei Kundenspezifischen CWDs)
CWD
11 FLOAT
4 76
Reserve CWD
…
20 FLOAT 4 80 Fixed test value send: 12345,6789 CWD
21 BYTE 1 81
Operating condi-
tion
Operating condition CWD:
0 – Stop
1 – Proces
2 – Ignition
3 – Ignition pause
4 – Error
5 – over temperature
6 – calibration measuring range 1
7 – calibration measuring range 2
8 – calibration measuring range 3
9 – Test-Gas measurement (only in pro-
cess)
CWD
22 BYTE 1 82
Zustand Filter-
wechsel
1 = Filterwechsel am CWD benötigt CWD
23 BYTE 1 92 Reserve CWD
Table 1: Data structure Profibus
For more information about communication with Profibus and the UNION calorim-
eter see Service UNION Instruments GmbH,

Kapitel 11 Service.
5
CWD = Calorimeter