Hach Sigma 950, Инструкция по эксплуатации инструмента

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