Michell Instruments XTP601 - Appendix B Modbus Register Map

XTP601 User’s Manual
40 97313 Issue 5, May 2018
APPENDIX B
Appendix B Modbus Register Map
Compatible with XTP601 Firmware Version: V1:03
Addr Function Access Ranges/Resolution Type
0 Modbus Instrument Address (ID) R/W 1-127 A
1 Settings Register R/W 0-65535 B
2 Display Contrast / Brightness R/W 0-100% / 0-100%, 10% steps C
3
Units Register
(Tempr, Pressure, Ext Sens, Param, etc)
R/W See reg details D
4 Chart Interval R/W 2-60 sec, in 2 sec intervals A
5 Spare
6 Alarm 1 (Lo alarm) Set point R/W
Instrum range min Instrum range
max, 0.01
G
7 Alarm 2 (Hi alarm) Set point R/W
Instrum range min Instrum range
max, 0.01
G
8 O2 Range Zero (Ch1 output zero) R 0.00 to O2 Range Span G
9 O2 Range Span (Ch1 output span) R O2 Range Zero to 100.00 G
10 CH1 comp coefficient 20% R/W 0.50-2.00 G
11 CH1 comp coefficient 40% R/W 0.50-2.00 G
12 CH1 comp coefficient 60% R/W 0.50-2.00 G
13 CH1 comp coefficient 80% R/W 0.50-2.00 G
14 CH1 comp coefficient 100% R/W 0.50-2.00 G
15 N2 VCOMP ADC (for ratio comp) R 0-8191 A
16 BACKG VCOMP ADC (for ratio comp) R 0-8191 A
17 BACKG ZERO (for zero offset value) R -10.00-10.00 % G
18 BACKG SPAN (for ratio gas value) R 0.00-100.00 % G
19 BACKG CAL VALUE (for ratio gas value) R 0.00-100.00 % G
20 CH2 Input (Ext Sensor) zero R/W See reg details F
21 CH2 Input (Ext Sensor) span R/W See reg details F
22 Alarm Configuration R/W See reg details
23 Cell Tempr Set point R 40-70 C A
24 PID Proportional Term R 1-20000 A
25 PID Integral Term R 1-500 A
26 PID Derivative Term R 1-100 A
27 HSR Var A (gain or multiplier) R 2-200 A
28 HSR Var B (rate of gain reduction) R 0-40 A
29 O2 Field Cal Reference 1 R/W
Instrum range min to Instrum
range max + 20% of range, 0.01
G
30 O2 Field Cal Actual 1 R/W -199.99-199.99 G
31 O2 Field Cal Reference 2 R/W
Instrum range min to Instrum
range max + 20% of range, 0.01
G
32 Pressure at calibration R 800.0-1200.0 mBar F
33 Atmos Press Offset R -100/+100mBar K
34 Spare
35 Bridge Pot Wiper Code R 0-1023 A
36 Gain Pot Wiper Code R 0-1023 A
37 O2 Field Cal Actual 2 R/W -199.99-199.99 G
38 Cal 02 Ref1 R 0.00-100.00 G
39 Cal 02 Ref2 R 0.00-100.00 G