ABB 8241, Operating Instructions Manual, Page: 20 / 28

18
…10 MODBUS COILS AND REGISTERS
Input Number Read/Write Description Response/Entry
001 R Units 3=ppb, 4=mg/L, 5=mg/kg
002 R Optical Filter 0=Filter 1, 1=Filter 2
003 R Optical System Temperature Scaled between 0.0 and 100.0
°
C
004 R Reaction Block Temperature Scaled between 0.0 and 100.0
°
C
005 R Real-time Clock Hours
006 R Real-time Clock Minutes
007 R Real-time Clock Date
008 R Real-time Clock Month
009 R Real-time Clock Year
010 R/W Set Real-time Clock Date
011 R/W Set Real-time Clock Month
012 R/W Set Real-time Clock Year
013 R/W Set Real-time Clock Hour
014 R/W Set Real-time Clock Minutes
015 R/W Load New Time 0=Disable New Time Load
1=Enable New Time Load
016 R Next Auto Zero Calibration Date Date
017 R Next Auto Zero Calibration Month Month
018 R Next Auto Zero Calibration Year Year
019 R Last Auto Zero Calibration Date Date
020 R Last Auto Zero Calibration Month Month
021 R Last Auto Zero Calibration Year Year
022 R Next Secondary Calibration Date Date
023 R Next Secondary Calibration Month Month
024 R Next Secondary Calibration Year Year
025 R Last Secondary Calibration Date Date
026 R Last Secondary Calibration Month Month
027 R Last Secondary Calibration Year Year
028 R/W Relay Alarm Hysteresis 0 to 5 %
029 R/W Relay Alarm Failsafe 0=No, 1=Yes
030 R/W Current Output Type 0=0-10mA, 1=0-20mA, 2=4-20mA
031 R/W Calibration Type 0=None, 1=Routine, 2=Baseline
032 R/W Do Secondary Calibration 0=No, 1=Yes
033 R/W Do Remote Calibration 0=No, 1=Yes
034 R/W Secondary Calibration Scaled 0 to 20.0 or 0 to 60.0
Concentration
035 R/W Next Auto Cal Day Date
036 R/W Next Auto Cal Month Month
037 R/W Next Auto Cal Year Year
038 R/W Next Auto Cal Hours Hours
039 R/W Next Auto Cal Minutes Minutes
040 R/W Auto Zero Cal Frequency 0 = Off, 1 = 12 Hrs, 2 = 1 Day, 3 = 2 Days ... 8 = 7 Days
041 R/W No Of Auto Zeros Between 0 = 0, 1 = 1 ... 10 = 10,11=Off
Secondary Calibrations
042 R Time To Auto Zero Compensation Minutes
043 R Time To Sec Cal Compensation Minutes
044 R Time To Recovery Minutes
045 R Displayed Offset –100.0 to 100.0
…10.3 Single-stream Phosphate Monitor, Model 8242/185
…10.3.2 Holding Registers