Hamilton Electronics EPHUM011 - page 2

pH ARC SensorsModbus RTU Programmer’s Manual (EPHUM011)

624300/01 page 2 / 67

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transmittedi n anyform without written permission from HAMILTON Bonaduz AG.

The contentsof this manual are subject to change without notice. Technical changesre served.

All efforts havebeen made to ensure the accuracy of the contents of this manual. However, shouldany

errorsbe detected, HAMILTON Bonaduz AG would greatly appreciate being informed of them.

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Copyright © 2010 HAMILTON Bonaduz AG, Switzerland.

Rev. Revision Date Author ChangeDescription

01 22.04.2010 Ph. Arquint

R. Dietrich

D. Schönfuss

Initial Version 01 for EPHUM011

Contents

Main Page Table of Content 1 Modbus RTU general information 1.1 Introduction 2 pH ARC Sensor Commands in Modbus RTU 2.1 General 2.2 Operator levels and Passwords 2.2.1 Reading / Setting Operator Level 2.2.2 Changing Passwords for Operator Level 2.3 Configuration of the serial RS485 Interface 2.3.1 Device Address 2.3.2 Baud Rate 2.4 Configuration of the Analog Interfaces 2.4.1 Available Analog Interfaces 2.4.2 Available Analog Interface Modes 2.4.3 Description of the Analog Interfaces 1 and 2 2.4.4 Selection of an Analog Interface Mode 2.4.5 Configuration of the 4-20 mA Interface Page Page pH ARC SensorsModbus RTU Programmers Manual (EPHUM011) 624300/01 page 14/ 67 pH ARC sen sor: 4-20 mAi nterf ace - linear pH ARCse nsor: 4-20mA interf ace - biline ar Page Page 2.4.6 Reading the Internally Measured Output Current 2.5 Measurement 2.5.1 Definition of Measurement Channels and Physical Units Page 2.5.2 Primary Measurement Channel 1 (pH) Page 2.5.3 Primary Measurement Channel 6 (Temperature) 2.5.4 Definitionof the Measurement Status for PMC1 / PMC6 2.5.5 Secondary Measurement Channels 1-16 Page 2.6 Configuration of the Measurement 2.6.1 Available Parameters pH ARC SensorsModbus RTU Programmers Manual (EPHUM011) 624300/01 page 27/ 67 2.6.2 PA9: Moving Average Effectof Moving Average (n=1 vs n=16) Page Page 2.6.3 PA12: Moving Average R Page 2.7 Calibration 2.7.1 Available Calibration Points 2.7.2 Definitions of Calibration Points Page 2.7.3 Calibration Procedure Page Page Page Page Page Page Page Page 2.7.4 Reading the Calibration Status Page Page Page 2.7.5 Currently active Calibration Parameters part 1 2.7.6 Currently active Calibration Parameters part 2 2.7.7 Currently active Calibration Parameters part 3 2.7.8 Currently active Calibration Parameters part 4 2.7.9 Special Commands for Calibration with VISICAL 2.7.10 Calibration Standards Page Page Page Page Page 2.8 Sensor Status 2.8.1 Temperature Ranges 2.8.2 Operating Hours and Counters 2.8.3 Warnings 2.8.4 Errors Page 2.8.5 Reading Definition of SIP and CIP CIP and SIP 2.8.6 Reading the SensorsQuality Indicator 2.9 Sensor Identification and Information 2.9.1 General Information 2.9.2 Sensor Identification 2.9.3 Free User Memory Space 2.10 System Commands 2.10.1 Recall SensorsFactory Settings 3 Abbreviations