Omega CN3440 manual Introduction, Operation Programming Modbus RTU

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1 INTRODUCTION

The instrument documentation is shown in Fig. 1.1. The Standard Manuals, including the specification sheet, are supplied with all instruments. The Modbus Supplement is supplied with instruments configured for Modbus Serial Communication.

This manual includes an Installation Record which should be completed as a log of the electrical installation. The record is useful when carrying out initial instrument programming and can be retained for future reference.

INSTALLATION

 

 

Product Identification

 

 

Siting

 

 

Mounting

 

 

Electrical Connections

 

 

Installation Record

 

 

OPERATION

PROGRAMMING

MODBUS (RTU).

Setting Up

Basic Config. Level

Serial Adaptors

Displays & Controls

Advanced Config. Level

Serial Connections

Operating Level

 

Programming Page

Simple Fault-Finding

 

MODBUS Registers

Standard Manuals

MODBUS Supplement

 

Fig. 1.1 Documentation

 

2

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Contents CN3440 Series WARRANTY/DISCLAIMER Contents Introduction Operation Programming Modbus RTUPreparation Checking the Code Number FigMechanical Installation NEMA4XEC Directive 89/336/EEC Siting Figs .1Overall Dimensions Mounting Figs .3Electrical Installation Access to Terminals FigSetting Input Selector Links .2A Setting Isolated Output Link .2BTHC & RTD Ring CableGlands N. American 0.5in Fig Thomas & BettsConnections Summary Fig Terminal Block IdentificationTerminal Number AC Supply Input Connections Thermocouple THC Inputs Fig2 3-lead Resistance Thermometer RTD Inputs Fig 3 2-lead Resistance Thermometer RTD Inputs Fig+ Tx Relay Connections Fig Output ConnectionsMotorized Valve Connections Figs .18 Logic Input Connections Figs .20 Programming GuidePower Supply Selection and AC Connections Fig 22 Power Supply Selection and AC ConnectionsPower Supply Connection/Terminal Number Page …NOTES Omega.com Temperature