Register Map; B.4 Register Map - Michell Instruments Condumax II User Manual

Condumax II User's Manual
B.4

Register Map

The following two tables describe the instruments' registers with their address location,
Modbus function and the number format. The following table provides more details on
the formatting of each parameter in the register map.
System Parameters
Address Modbus
Function
dec function
0 3/6 Instrument address
1 3 Water dew point
2 3 Ambient temperature
3 3 Hydrocarbon dew point
4 3 Status
5 3 Signal Level in mV
6 3 Signal Level as % of Trip Point (0.01%)
7 3 Phase Time Left mins + secs
8 3 Cooling Rate 0.01°C/sec
9 3 Hdp Pressure value
10 3 Wdp Pressure value
11 3 Mirror temp
12 3/6 mA1 output maximum value
13 3/6 mA1 output minimum value
14 3/6 mA2 output maximum value
15 3/6 mA2 output minimum value
16 3/6 mA output configuration
17 3 Emitter drive as a %
18 3/6 Max cooling time
19 3/6 Measurement time
20 3/6 Condensation trip temperature
21 3/6 Minimum cooling limit
22 3/6 High dew-point alarm set point
23 3/6 Wdp dew-point alarm set point
24 3/6 RTC Year(val 1) + Month (val 2)
25 3/6 RTC Date (val 1) + Hours(val 2)
26 3/6 RTC Mins(val 1) + Secs (val 2)
27 3/6 Signal Trip Point in mV
28 3/6 Set temp when heating
29 3/6 Units / Command
30 3 Water DP sensor – Batch number
31 3 Water DP sensor – Serial number
32 3 Water DP sensor - Year
33 3 Water DP sensor – Month and day
34 3 Water DP sensor – Hours of operation
35 3 Error indicator
36 3/6 Pressure drop rate as a %
37 3 Internal temperature
Michell Instruments
APPENDIX B
Read/ Default
Write Value Configuration
R/W 01H
R
R
R
R
R
R
R
R
R
R
R
R/W 1388H
A; or H if the
R/W EC78H
output is set
R/W 1388H
for a pressure
R/W EC78H
R/W 100H
R
R/W 500H
R/W 1000H
R/W F830H
R/W FC18H
R/W 0H
R/W 0H
R/W
R/W
R/W
R/W 0113H
R/W 1388H
R/W 0H
R
R
R
R
R
R
R/W 1388h
R
Register
F
A
A
A
D
H
A
I
A
H
H
A
B
A
I
I
A
A
A
A
I
I
I
F
A
E
I
I
I
I
F
C
A
A
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