Michell Instruments XTP601 - Page 51

XTP601 User’s Manual
Michell Instruments 43
APPENDIX B
Register Type C: Display Parameters
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Display Brightness Display Contrast
r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w
0-100 in 10% steps 0-100 in 10% steps
Register Type D: Units
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w
Bits HEX Meaning (binary)
0, 1 0003 00=degC, 01=degF, 10=K
2, 3 000C Ext press unit, 00 = psia, 01=bara, 10=kPa
4 0010 Field cal type, 0=1 gas (offset), 1=2 gas
5 0020 Date format 0=Non US, 1=US
6 0040 SPARE
7,8,9,10 0780 SPARE
11,12,13 3800
Ext Sensor Parameter (000=none, 001=dewp, 010=tempr,
011=press, 100=other)
14,15 C000 SPARE
Register Type F: -2000.0 to +2000.0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w
Range = 0 to 40000 represents -2000.0 to +2000.0
Conversion: (RegValue – 20000)/10.0
For external sensor values
Dew point: -100/+20 degC, -148.0/+68.0degC, 173.0/293.0 K
Tempr: -50.0/+100.0 degC, -58.0/+212.0 degF, 223.0/373.0 K
Pressure: 0.0/44.1 psia, 0.0/3.0 barA, 0.0/304.0 kpa
Register Type G: -200.00 to +200.00
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w r/w
Range = 0 to 40000 represents -200.00 to +200.00
Conversion: (RegValue – 20000)/100.00