GB
MSA MODBUS USER CONFIGURATION DATA
ULTIMA
®
X
3 TM
31
Description Address Possible Values
Date of Last Cal Year, Sensor 2 Base +241 20XX
Date of Last Cal Month, Sensor 2 Base +242 1 ... 12
Date of Last Cal Day, Sensor 2 Base +243 1 ... 31
Date of Last Cal Year, Sensor 3 Base +244 20XX
Date of Last Cal Month, Sensor 3 Base +245 1 ... 12
Date of Last Cal Day, Sensor 3 Base +246 1 ... 31
Drift Counter - Sensor 1 Base +247 0 ... 20
Drift Counter - Sensor 2 Base +248 0 ... 20
Drift Counter - Sensor 3 Base +249 0 ... 20
ULTIMA X Internal Error Code Base +250 For further implementation
Internal Error Code - Sensor 1 Base +251 For further implementation
Internal Error Code - Sensor 2 Base +252 For further implementation
Internal Error Code - Sensor 3 Base +253 For further implementation
Information Flags 1 Base +254 See Appendix B-13
Information Flags 2 Base +255 See Appendix B-13
Information Flags 3 Base +256 See Appendix B-13
Information Flags 4 Base +257 See Appendix B-13
Alternate Gas Reading Sensor 1 Base +258 See Appendix B-13
Alternate Gas Reading Sensor 2 Base +259 See Appendix B-13
Alternate Gas Reading Sensor 3 Base +256 See Appendix B-13
B-5. ModBUS General Status Bits (Read only at Address Base +201)
Name Bit Function Description
Device Fault (any fault)
0
Set for all fault conditions
Calibration Active - Sensor 1
1
Set during calibration
Calibration Active – Sensor 2
2
Set during calibration
Calibration Active – Sensor 2
3
Set during calibration
Warm up Mode
4
Set during startup
Low Alarm Active
5
Set while alarm relay is active
Mid Alarm Active
6
Set while alarm relay is active
High Alarm Active
7
Set while alarm relay is active
For future use
8
For future use
9
For future use
10
For future use
11
For future use
12
For future use
13
For future use
14
Not used
15
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