Omega CN3440 manual Contents

Page 3

CONTENTS

1

INTRODUCTION

2

2

PREPARATION

3

 

2.1

Checking the Code Number

3

3

MECHANICAL INSTALLATION

4

 

3.1

Siting

4

 

3.2

Mounting

5

4

ELECTRICAL INSTALLATION

6

 

4.1

Access to Terminals

6

 

4.2

Setting the Input Selector Links ...

6

 

4.3

Setting the Isolated Output Link ...

6

4.4Cable Glands and

 

Conduit Fixings

8

 

4.4.1

Cable Glands

 

 

 

(IEC – 20mm)

8

 

4.4.2

Conduit Adaptors

 

 

 

(N. American – 0.5in)

8

 

4.4.3

Cable Glands

 

 

 

(N. American – 0.5in)

9

4.5

Connections Summary

10

4.6

Input Connections

12

 

4.6.1

Thermocouple

 

 

 

(THC) Inputs

12

 

4.6.2

3-lead Resistance

 

 

 

Thermometer (RTD)

 

 

 

Inputs

12

 

4.6.3

2-lead Resistance

 

 

 

Thermometer (RTD)

 

 

 

Inputs

12

 

4.6.4 Links for Unused Inputs ..

12

4.7

Output Connections

14

4.8

Relay Connections

14

4.9

Motorized Valve Connections ....

14

4.10

Logic Input Connections

15

4.11

Power Supply Selection and

 

 

AC Connections

16

5 INSTALLATION RECORD

17

1

Image 3
Contents CN3440 Series WARRANTY/DISCLAIMER Contents Operation Programming Modbus RTU IntroductionChecking the Code Number Fig PreparationSiting Figs .1 Mechanical InstallationNEMA4X EC Directive 89/336/EECMounting Figs .3 Overall DimensionsSetting Isolated Output Link .2B Electrical InstallationAccess to Terminals Fig Setting Input Selector Links .2ATHC & RTD Ring Thomas & Betts CableGlands N. American 0.5in FigTerminal Block Identification Connections Summary FigTerminal Number AC Supply 3 2-lead Resistance Thermometer RTD Inputs Fig Input ConnectionsThermocouple THC Inputs Fig 2 3-lead Resistance Thermometer RTD Inputs Fig+ Tx Output Connections Relay Connections FigMotorized Valve Connections Figs .18 Programming Guide Logic Input Connections Figs .2022 Power Supply Selection and AC Connections Power Supply Selection and AC Connections FigPower Supply Connection/Terminal Number Page …NOTES Omega.com Temperature