pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 1 / 67pH ARC SensorsModbus RTUProgrammer’s ManualFirmware version:EPHUM011
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 10 / 672.4.3 Description of the Analog Interfaces 1 and 2Register 4352 / 4480 c
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 11 / 672.4.5 Configuration of the 4-20 mA InterfaceNote:The configuration of AO
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 12 / 672.4.5.3 Reading the Minimum and Maximum Possible Physical Output Current
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 13 / 672.4.5.5 Reading the Selected Physical Unit for Analog InterfaceStartregi
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 14 / 67pH ARC sensor: 4-20mA inte rface - linear-15-10-5051015202530350 4 8 12
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 15 / 67Attention:When assigning measurement values to 4-20 mA analog output by
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 16 / 672.4.5.8 Defining the Error and Warning Output of the 4-20 mA InterfaceEr
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 17 / 672.4.6 Reading the Internally Measured Output CurrentReg. 4414 / 4542 pro
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 18 / 672.5 Measurement2.5.1 Definition of Measurement Channels and Physical Uni
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 19 / 67The pH ARC Sensor register structure uses the following physical units u
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 2 / 67Important NoticeAll rights reserved. No part of this document may be repr
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 20 / 672.5.2 Primary Measurement Channel 1 (pH)2.5.2.1 Description of PMC1In re
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 21 / 672.5.2.3 Reading the measurement value of PMC1Register 2090 is also used
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 22 / 672.5.3 Primary Measurement Channel 6 (Temperature)2.5.3.1 Description of
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 23 / 672.5.3.3 Reading the measurement value of PMC6Register 2410 is also used
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 24 / 672.5.5 Secondary Measurement Channels 1-16pH ARC Sensors do allow access
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 25 / 672.5.5.2 Reading the measurement value of SMCThe registers defined here a
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 26 / 672.6 Configuration of the MeasurementThis chapter describes the configura
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 27 / 672.6.2 PA9: Moving AverageThe pH ARC Sensor provides new pH readings ever
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 28 / 672.6.2.1 Description of PA9 (Moving Average)In register 3360, a plain tex
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 29 / 672.6.2.3 Reading all Values for PA9By reading register 3370, the active p
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 3 / 67Table of Content1 MODBUS RTU GENERAL INFORMATION ...
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 30 / 672.6.3 PA12: Moving Average RpH ARC Sensors allow to have a separate movi
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 31 / 67By writing to register 3466, the active physical unit for PA12 can be se
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 32 / 672.7 Calibration2.7.1 Available Calibration PointsIn register 5120, the a
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 33 / 672.7.2 Definitions of Calibration Points2.7.2.1 Calibration Points 1 and
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 34 / 67Command: Read calibration stabilityModbus address: 5128 Length: 4 Type:
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 35 / 672.7.3 Calibration Procedure2.7.3.1 Calibration at CP1 and CP2 (Standard
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 36 / 67Standard Calibration with Automatic Recognition of the StandardPrior to
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 37 / 67Perform the following steps to do a standard calibration at CP1 and CP2:
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 38 / 67Examples: (Definitions of register 5158 and 5190 used in these examples
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 39 / 67Example to read the sensor’s quality indicator:Command: Quality indicato
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 4 / 671 Modbus RTU general information1.1 IntroductionThis document describes i
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 40 / 67What happens to the pH ARC Sensor’s calibration function upon product ca
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 41 / 67The different functionalities of product calibration (CP6) are accessibl
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 42 / 672.7.3.2.2 Product calibration: AssignmentAfter successful initial measur
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 43 / 672.7.3.2.4 Product calibration: Restore standard calibrationIf a product
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 44 / 672.7.4 Reading the Calibration Status2.7.4.1 Reading the Calibration Stat
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 45 / 67Command: Calibration status CP1Modbus address: 5158 Length: 6 Type: 3Rea
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 46 / 672.7.4.2.1 Product calibration: Initial measurementCalibration status aft
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 47 / 67The here performed assignment was successful. The sensor is running usin
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 48 / 672.7.5 Currently active Calibration Parameters part 1In registers 5164 (C
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 49 / 672.7.7 Currently active Calibration Parameters part 3In register 5520, 55
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 5 / 672 pH ARC Sensor Commands in Modbus RTU2.1 GeneralIn order to communicate
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 50 / 672.7.9 Special Commands for Calibration with VISICALThe VISICAL calibrati
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 51 / 672.7.10 Calibration Standards2.7.10.1 Available Sets of Calibration Stand
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 52 / 672.7.10.2 Definitions for Individual Sets of Calibration StandardsOnce th
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 53 / 67Register 9528 defines for the selected set of calibration standards: th
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 54 / 67By means of register 9530, the specialist can define for each available
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 55 / 67Manufacturer Availability for manual selection (left) andautomatic recog
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 56 / 67Manufacturer Availability for manual selection (left) andautomatic recog
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 57 / 672.8 Sensor Status2.8.1 Temperature RangesIn registers 4608, 4612 and 461
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 58 / 672.8.2 Operating Hours and CountersIn register 4676 are given: total ope
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 59 / 672.8.3 WarningsA “Warning”is a notification message which still allows fu
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 6 / 67Command: Operator levelModbus address: 4288 Length: 4 Type: 3ReadParamete
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 60 / 672.8.4 ErrorsAn “Error”message indicates a serious problem of the sensor
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 61 / 672.8.4.3 Definition of ErrorsBit # Hex Descriptionnot available5 0x000002
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 62 / 672.8.5 Reading Definition of SIP and CIPpH ARC Sensor are counting specia
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 63 / 67Command: SIP definitionModbus address: 4988 Length: 8 Type: 16WriteParam
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 64 / 672.9 Sensor Identification and Information2.9.1 General InformationGenera
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 65 / 67Command: Serial numberModbus address: 1312 Length: 8 Type: 3ReadParamete
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 66 / 67Command: Info userModbus address: 1568 Length: 8 Type: 16WriteParameter:
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 67 / 67HAMILTON Bonaduz AGVia Crusch 8CH-7402 BonaduzSwitzerlandTel. +41 81 660
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 7 / 672.3 Configuration of the serial RS485 InterfaceFactory settings of the RS
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 8 / 672.3.2 Baud Rate2.3.2.1 Reading and Writing the Baud RateThe baud rate can
pH ARC Sensors Modbus RTU Programmer’s Manual (EPHUM011)624300/01 page 9 / 672.4 Configuration of the Analog Interfaces2.4.1 Available Analog Interfac
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