mru SWG 100 biogas, User Manual

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MRU GmbH SWG 100 User Manual
Page 104 of 141
12.2. Analyser Status (address 0 and some mirror addresses)
The Analyzer Status is a 32bit-word and must be interpreted bitwise.
Bit
Description
0
Power-On
(until the first zeroing has been done)
1
System-Alarm, see table below
2
Air Purging (zeroing)
3
Gas Sampling (preparing measurement, not measurement!)
4-7 Currently sampled sample point number
(1 10, reads 0 while air
purging)
8-31
reserved for later applications
(read zero)
Some status examples:
Decimal
Hexadecimal Binary state description
1 0001h 0000 0001 Power-On (self-test)
5 0005h 0000 0101 First Air Purging (Power-On + Air
Purging)
24
0018h 0001 1000 Preparing meas. smp.pt.1 (Gas
Sa smp.pt.1)
16
0010h 0001 0000 Measuring sample point 1
32 0020h 0010 0000 Measuring sample point 2
48 0030h 0011 0000 Measuring sample point 3
18 0012h 0001 0010 Measuring sample point 1 + System-
Alarm
12.3. Analyser System Alarm (address 2 and some mirror addresses)
The Analyser System Alarm is a 32bit-word and must be interpreted bitwise.
Bit
Description
Meas.
halted
0 Mainboard Offline (some communication problems) YES
1 Mainboard is in bootloader mode YES
2 CH4 ambient > threshold value YES
3 Condensate YES
4 Sample flow < 20 l/h -
5 Case fan rotations < 900 rpm -
6 T-gas cooler > 10°C -
7 T-gas cooler < 2°C -
8 T-Sensor > 55°C -
9 T-Sensor < 5°C -
10-
31
reserved for later applications
Some system alarm examples:
Decimal
Hexadecimal Binary state description
1 0001h 0000 0001 Mainboard is offline, measurement is
halted
8
0008h 0000 1000 Condensate Alarm, measurement is
halted
80
0050h 0101 0000 Sample flow < 20 l/h and T-gas cooler
> 10°C.