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Omega CN3440 manual

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Table of contents for the manual

  • Page 1

    http://www .omega.com e-mail: info@omega.com omega.com ® ® U ser ’ s Guide CN3440 SERIES Universal T emperature & Pr ocess Contr ollers Installation Guide[...]

  • Page 2

    WARRANTY / DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 37 months from date of purchase. OMEGA Warranty adds an additional one (1) month grace period to the normal three (3) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers rec[...]

  • Page 3

    1 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[...]

  • Page 4

    2 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[...]

  • Page 5

    3 2 PREP ARA TION 2.1 Checking the Code Number – Fig. 2.1 Fig. 2.1 Location of Code Number Label Code Number Label XXXX / X X X X X X X X[...]

  • Page 6

    4 3 MECHANICAL INST ALLA TION EC Directive 89/336/EEC In order to meet the requirements of the EC Directive 89/336/EEC for EMC regulations, this product must not be used in a non-industrial environment. 3.1 Siting – Figs. 3.1 and 3.2 A – Within Temperature Limits B – Within Humidity Limits Sensor Minimum A – Close to Sensor B – At Eye-lev[...]

  • Page 7

    5 3 MECHANICAL INSTALLATION… 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) 2.68 (68) 8.43 (214) 9.13 (232) Fixing Centres 6.3 (160) 9.84 (250) 2.72 (69) Fixing Centres Allowance for Cable Bends 7.9 (200) 1.65 (42) 2 3 / 8 [...]

  • Page 8

    6 4 ELECTRICAL INST ALLA TION Warning. Before making any 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, preferably in earthed metal conduit. • It is strongly recommended that screened cable is use[...]

  • Page 9

    7 4 ELECTRICAL INSTALLATION… B – Isolated Output Types Fig. 4.2 Setting the Selector Links A – Input Types PL3 Position Feedback Input PL2 Remote Set Point Input PL1 Process V ariable Input PL2 PL1 1 6 12 7 1 4 8 5 PL1 PL2 1 6 12 7 1 4 8 5 PL1 PL2 1 6 12 7 1 4 8 5 2-wire T ransmitter Input 1 6 12 7 PL1 1 2 Identify Link PL7 Set links for outp[...]

  • Page 10

    8 …4 ELECTRICAL INSTALLATION 4.4 Cable Glands and Conduit Fixings 4.4.1 Cable Glands (IEC – 20mm) – Fig. 4.3 4.4.2 Conduit Adaptors (N. American – 0.5in) – Fig. 4.4 Warning. • Rigid conduit must NOT be fitted to the controller. • Controller adaptors must incorporate a face seal. • Torque settings for the hubs and outer nuts on the s[...]

  • Page 11

    9 4 ELECTRICAL INSTALLATION… Fig. 4.5 Cable Glands 4.4.3 Cable Glands (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. Information. • Suitable Cable Glands: (mandator[...]

  • Page 12

    10 …4 ELECTRICAL INSTALLATION Fig. 4.6 Terminal Block Identification 4.5 Connections Summary – Fig. 4.6 Information. Input impedances: Low voltage(mV) >10M Ω Voltage >10M Ω Current 10 Ω . 3 4 56 7 8 9 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 10 1 1 12 13 14 15 12 16 17 Power Supply Relay 1 Relay 2 Relay 3 MODBUS (RTU) (if option[...]

  • Page 13

    11 4 ELECTRICAL INSTALLATION… Table 4.1 Electrical Connections T erminal Number 1 2 3 N/O 4 C 5 N/C 6 N/O 7 C 8 N/C 9 N/O 10 C 11 N/C 12 13 14 15 16 17 18 Tx+ 19 Tx – 20 Common 21 Rx+ 22 Rx – 23 + 24 – 25 + 26 – 27 3rd lead 28 Input 3+ 29 Input 3 – 30 31 32 3rd lead/2-wire TX Input 1+ Input 1 – 3rd lead Input 2+ Input 2 – Retransmis[...]

  • Page 14

    12 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. Use the correct compensating cable between [...]

  • Page 15

    13 & ^ % Remote Set Point & ^ % Remote Set Point Sleeved Link $ £ @ & ^ % Process V ariable Remote Set Point Sleeved Link Red White Fig. 4.8 3-lead Resistance Thermometer Input Connections Fig. 4.9 2-lead Resistance Thermometer Input Connections Fig. 4.10 3-lead Resistance Remote Set Point Input Connections Fig. 4.11 2-lead Resistance [...]

  • Page 16

    14 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. A – Standard Feedback Slidewire Configuration B – Alternative Feedback Slidewire Configuration Note. Link must be connected at the motorized valve drive terminals and not the Controller[...]

  • Page 17

    15 31 30 32 Logic Input 2 Manual Automatic Local Remote or Dual Fixed Dual Set P oint 2 Fixed Dual Set P oint 1 * Alarm Acknowledge * Leading 'edge-triggered' (minimum duration 200ms) 5V 0V Logic switching Auto/ Manual Selection Local/Remote Set P oint Selection Dual Set P oint Selection Alarm Acknowledgement Common Logic Input 1 Automati[...]

  • Page 18

    16 4.11 P ower Supply Selection and A C Connections – Fig. 4.22 Fig. 4.22 Power Supply Selection and AC Connections … 4 ELECTRICAL INSTALLATION Information. Fuse Rating - 5A Type T 11 5 Selector not Fitted (24V AC) Code Label Digit 7 3 2 1 C31 x x x x x x x x x 11 5 230 Remove plug to make connection A – Selecting the Supply V oltage B – Po[...]

  • Page 19

    17 Power Supply 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 L N NO C NC NO C NC NO C NC 3rd + – 3rd + – Tx+ Tx – Common Rx+ Rx – + – Connection/T erminal Number Retransmission Output Relay 1 Output Relay 2 Output Power Supply (Tick Box) 230V AC 1 15V AC 24V AC Output T ype: Output Function: Output T ype: Output Function[...]

  • Page 20

    18 25 26 27 28 29 30 31 32 + – 3rd + – Connection/T erminal Number Control Output Position Feedback Input Common (Tick Box) Link Positions Analog Output Logic Output Logic Input 1 Logic Input 2 V mA mV (Tick Box) Link Positions R … 4 ELECTRICAL INSTALLATION[...]

  • Page 21

    19 NOTES[...]

  • Page 22

    20 … NOTES[...]

  • Page 23

    Servicing Nor th America: USA: One Omega Drive, Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 Tel: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 Tel: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: USA and Canada: Sales Service: 1[...]

  • Page 24

    M2954/0 7 0 2 TEMPERA TURE Thermocouple, R TD & Thermistor Probes, Connectors, Panels & Assemblies W ire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Contr ollers & Process Monitors Infrared Pyr ometers PRESSURE, STRAIN AND FORCE T ransducers & Strain Gauges Load Cells & Pressur e Gauges [...]