Hach Sigma 950 Instrument Manual page 115

Unit
ML
AF
CF
GAL
L
M3
IN
CM
FT
M
CM2
FT2
IN2
M2
AFD
CFS
CFM
CFH
CFD
CMS
CMM
CMH
CMD
GPS
GPM
Query
Start Slave
':' Address
Table 44 SCADA-Modbus Units of Measure Codes
Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
The Modbus ASCII query must take the form shown below that specifies the starting
register and number of registers to be read:
Start
Function
Address Address
(03)
High
SCADA-Modbus
Unit
GPH
LPS
LPM
LPH
MGD
PH
ORP
PPM
PPB
MGL
PCTSAT
MSIEMENS
MICROSIEMENS
GRAMSPERKG
PCTPERDEGC
DEGREE_C
DEGREE_F
MILS
VOLTS
FPS
MPS
PCT_O2
PCT_H2S
PCT_LEL
VDC
Start
No. of Pts. No. of.
High Pts. Low
Low
®
System Guidelines
Code
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
LRC <CR> <LF>
113