ATI Technologies Q46 Series Communications Manual

ATI Q46 Modbus Communications Manual
12
O&M Manual
Rev-D (2/16)
1.13 Q46 Register Assignment
The following table summarizes the registers used for the Modbus data in the Q46
communication board using the Q46D as an example. Tables for all other Q46 series monitors
follow. As mentioned previously, the Q46 only supports the “04 – Read Input Register” function.
(Long = Long Integer, requires 4 bytes; Char = Character, requires 1 byte)
Figure 3 - Q46 Modbus Input Register Data
Register
Data Type
Sensor
Description
Data Format
30001 (HI)
30002 (LO)
long(32)
D.O.
Dissolved Oxygen
8.40 PPM = 840
30003 (HI)
3004 (LO)
long(32)
D.O.
Measured
Temperature
25.00° C = 2500
30005 (HI)
30006 (LO)
long(32)
D.O.
Measured %
Saturation
98.0% sat = 980
30007 (HI)
30008 (LO)
long(32)
NA
PID value
17.0% = 170
30009
Char(8)
NA
System Status 1
(binary) 00000000
Char(8)
NA
System Status 2
(binary) 00000000
30010
Char(8)
NA
Alarm Status
(binary) 00000000
Char(8)
NA
Instrument ID
49 = 49

ATI Technologies Q46 Series Specifications

General

Brand	ATI Technologies
Model	Q46 Series
Category	Measuring Instruments
Language	English