Related Manuals for Omega CN3440 SERIES
Summary of Contents for Omega CN3440 SERIES
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Page 1: Installation Guide
User’ s Guide omega.com ® ® http://www.omega.com e-mail: info@omega.com CN3440 SERIES Universal Temperature & Process Controllers Installation Guide... - Page 2 Customer Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, including but not limited to mishandling, improper interfacing, operation outside of design limits, improper repair, or unauthorized modification.
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Page 3: Table Of Contents
CONTENTS 1 INTRODUCTION ... 2 2 PREPARATION ... 3 Checking the Code Number ... 3 3 MECHANICAL INSTALLATION ... 4 Siting ... 4 Mounting ... 5 4 ELECTRICAL INSTALLATION ... 6 Access to Terminals ... 6 Setting the Input Selector Links ... 6 Setting the Isolated Output Link ... -
Page 4: Introduction
1 INTRODUCTION The instrument documentation is shown in Fig. 1.1. The specification sheet, are supplied with all instruments. The instruments configured for Modbus Serial Communication. This manual includes an Installation Record installation. The record is useful when carrying out initial instrument programming and can be retained for future reference. -
Page 5: Preparation
2 PREPARATION 2.1 Checking the Code Number – Fig. 2.1 XXXX / X X X X X X X X Code Number Label Fig. 2.1 Location of Code Number Label... -
Page 6: Mechanical Installation
3 MECHANICAL INSTALLATION EC Directive 89/336/EEC In order to meet the requirements of the Directive 89/336/EEC regulations, this product must not be used in a non-industrial environment. 3.1 Siting – Figs. 3.1 and 3.2 Minimum A – Close to Sensor B –... -
Page 7: Mounting
3.2 Mounting – Figs. 3.3 and 3.4 The instrument is designed for wall-/pipe-mounting – see Fig. 3.4. Overall dimensions are shown in Fig. 3.3. Dimensions in inches (mm) 6.3 (160) 9.84 (250) 2.72 (69) Fixing Centres Fixing Holes (x3) 0.25 (6.5) Dia Fix instrument to wall using suitable fixing... -
Page 8: Electrical Installation
4 ELECTRICAL INSTALLATION Warning. Before connections, ensure that the power supply, any high voltage-operated control circuits and high common mode voltages are switched off. Note. • Always route signal leads and power cables separately, earthed metal conduit. • It is strongly recommended that screened cable is used for signal inputs and relay connections. - Page 9 4 ELECTRICAL INSTALLATION… Identify Link PL7 Set links for output type required Logic Output Analog Output B – Isolated Output Types Process Remote Position Variable Set Point Feedback Input Input Input R, mV, THC & RTD 2-wire Transmitter Input A – Input Types Fig.
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Page 10: Cable Glands And Conduit Fixings
…4 ELECTRICAL INSTALLATION 4.4 Cable and Conduit Fixings 4.4.1 Cable (IEC – 20mm) – Fig. 4.3 'O'-Ring Fig. 4.3 Cable Gland (Supplied as standard) Glands 4.4.2 Conduit (N. American – 0.5in) – Fig. 4.4 Glands Warning. • Rigid conduit must NOT be fitted to the controller. -
Page 11: Cable Glands
4.4.3 Cable (N. American – 0.5in) – Fig. 4.5 Warning. • Controller glands must be fitted with a face seal. • Torque settings (hubs only) – 20ft. lbs minimum, 25ft. lbs. maximum. • Outer nuts – hand tight plus a half turn only. -
Page 12: Connections Summary
…4 ELECTRICAL INSTALLATION 4.5 Connections Summary – Fig. 4.6 Information. Input impedances: Low voltage(mV) >10MΩ Voltage >10MΩ Current 10Ω. Power Supply Process Variable Input Relay 1 Relay 3 Relay 2 3 4 5 6 7 8 9 10 11 18 19 20 21 22 23 24 25 26 MODBUS (RTU) Control Output (if option fitted) - Page 13 Terminal Number AC Supply 24V, 115V or 230V a.c. Relay 1 Output – see Fig. 4.17 Relay 2 Output – see Fig. 4.17 Relay 3 Output – see Fig. 4.17 3rd lead/2-wire TX Input 1+ Input 1– 3rd lead Input 2+ Input 2–...
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Page 14: Input Connections
…4 ELECTRICAL INSTALLATION 4.6 Input Connections Make connections to each input, as shown in Figs 4.4 to 4.14, first removing any factory-fitted wire links not required. 4.6.1 Thermocouple (THC) Inputs – Fig. 4.7 Note. Automatic Cold Junction Compensation (ACJC) is active when an input is programmed for use with thermocouples. - Page 15 Remote Set Point Process Variable Sleeved Link Fig. 4.7 Thermocouple Input Connections Remote Set Point Process Variable White Fig. 4.8 3-lead Resistance Thermometer Input Connections Remote Set Point Process Variable £ Sleeved Link White Fig. 4.9 2-lead Resistance Thermometer Input Connections Remote Set Point Fig.
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Page 16: Output Connections
…4 ELECTRICAL INSTALLATION 4.7 Output Connections Make connections as shown in Figs 4.15 and 4.16. 4.8 Relay Connections – Fig. 4.17 For relay functions refer to the following table. — Relay 3 Relay 2 Relay 1 Normally Open Common Normally Closed Fig. -
Page 17: Logic Input Connections
4.10 Logic Input Connections – Figs. 4.20 and 4.21 Each logic input can be programmed to perform one of a number of functions – see Section 3.10 of the Programming Guide . Auto/ Manual Selection Automatic Logic switching Manual Logic Input 1 Logic Input 2 Common Logic switching... -
Page 18: Power Supply Selection And Ac Connections
…4 ELECTRICAL INSTALLATION 4.11 Power Supply Selection and AC Connections – Fig. 4.22 115V 230V Remove plug to make connection Fig. 4.22 Power Supply Selection and AC Connections Digit 7 Code Label C31 x x x x x x x x x Selector not Fitted (24V AC) A –... -
Page 19: Installation Record
Connection/Terminal Number Power Supply Relay 1 Output Relay 2 Output Relay 3 Output Process Variable Input Remote Set Point Input Modbus Serial Communications Option 1 only Retransmission Output Power Supply (Tick Box) 230V AC 24V AC 115V AC Output Type: Output Function: Output Type: Output Function:... - Page 20 …4 ELECTRICAL INSTALLATION Connection/Terminal Number Control Output Position Feedback Input Logic Input 1 Logic Input 2 Common – Analog Output Logic Output – Link Positions (Tick Box) Link Positions (Tick Box)
- Page 21 NOTES...
- Page 22 …NOTES...
- Page 23 United Kingdom: ISO 9002 Certified It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device upon certification.
- Page 24 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! TEMPERATURE PRESSURE, STRAIN AND FORCE FLOW/LEVEL pH/CONDUCTIVITY DATA ACQUISITION HEATERS ENVIRONMENTAL MONITORING AND CONTROL...