Instruction/ maintenance manual of the product LDP1XX-21 Omega
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LDP-124 AND LDP-144 SERIES FOR TEMPERATURE http://www .omega.com e-mail: info @ omega.com User's Guide.
OMEGAnet On-Line Service Internet e-mail http://www.omega.com info@omega.com Servicing North 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.
Page : 2 CONTENTS DESCRIPTION SECTION PAGE =========================================================================== IMPORTANT SAFETY CONSIDERATIONS 13 UNPACKING AND INSPECTION 24 MAIN FEATURES 35 M.
Page : 3 INSTALLATION PRECAUTIONS.- The installation and the future use of this unit must be done by suitable qualified per- sonnel. The unit has not AC (mains) switch, it will be in op- eration as soon as power is connected. The installation must incorporate an external main switch.
Page : 4 2.- UNP ACKING AND INSPECTION It is advisable to do a detailed reading of this Manual before mounting the instrument. This Operator's Manual contains all the technical specifications : electricals as well as mechanics, both necessary to do a correct installation and also a good use of the instrument.
Page : 5 3.- MAIN FEA TURES On this paragraph is detailed the main features for every one of the series which are the following : Instruments of four digits plus polarity (only minus) to show temperature using the signal generated by sensors type RTD (PT-100 (0.
Page : 6 4.- MODELS LDP-1X4-MX Temperature indicator for RTD sensor type PT-100 (100 Ω at 0 °C Alpha = 0.00385). This model uses the 3-wire measurement, which compensates thelead wire resistance. However 2-wire sensors can be used too. See wiring connections.
Page : 7 D C B A 5.- GENERAL SPECIFICA TIONS DISPLAY TYPE . . . . . . . . . . . . . . . . . . . . . . . . . 4 digits, 7 segments, red or green LED. HEIGHT DIGIT . . . . . . . . . . . . . . . . . . 5 7 mm. (2.3") or 100 mm. (4"). RANGE . . . .
Page : 8 3-wires connection. 2-wires connection. Do not forget to link terminal A to terminal C. D C B A D C B A Signal input connector. Thermocouple + _ PT-100 PT-100 8.- WIRING 8.1.- POWER SUPPLY, RECOMMENDED WIRING Power switch POWER SUPPLY 115 Vac (230 Vac Optional).
Page : 9 9.- TEMPERA TURE RANGES ± 0.5 % C B A PT1. ZERO adjust COMPONENTS SIDE PT2. SPAN adjust. The control board contains the Analog/Digital con- verter, the Signal Conditioner and other compo- nents.
Page : 10 1 1.- ADJUSTMENT AND CALIBRA TION PROCEDURE 11.1.- RTD MODEL S A decade box or RTD simulator is required. 1.- Check that the instrument is not powered. 2.- Connect the RTD simulator or decade box to the signal input connector (See paragraph 8.
Page : 11 4 5 3 2 1 12.- INST ALLA TION 1.- Prepare a panel cut-out with the dimensions indicated on paragraph 13. 2.- Slide the instrument (1) into the cut-out. 3.- Slide the two fixation pieces (3) with T shape by both lateral sides of the instrument, such as it is shown on the drawing below.
W ARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA warranty adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time.
Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERA TURE ; Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies ; Wire: Thermoco.
An important point after buying a device Omega LDP1XX-21 (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 LDP1XX-21 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 LDP1XX-21 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega LDP1XX-21 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega LDP1XX-21 will certainly help you make a decision on the purchase.
If you already are a holder of Omega LDP1XX-21, 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 LDP1XX-21.
However, one of the most important roles played by the user manual is to help in solving problems with Omega LDP1XX-21. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega LDP1XX-21 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
