Instruction/ maintenance manual of the product CN3440 Omega
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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.
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.
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 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.
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.
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.
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.
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.
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 .
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.
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.
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 .
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.
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.
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.
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.
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 .
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.
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 Retransmis.
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 .
19 NOTES.
20 … NOTES.
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.
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, C.
An important point after buying a device Omega CN3440 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega CN3440 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega CN3440 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega CN3440 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega CN3440 will certainly help you make a decision on the purchase.
If you already are a holder of Omega CN3440, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega CN3440.
However, one of the most important roles played by the user manual is to help in solving problems with Omega CN3440. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega CN3440 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
