Instruction/ maintenance manual of the product TX82B Omega
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www .omega.com e-mail: info@omega.com omega.com ® OMEGA ® U ser ’ s Guide TX82B Panel Mounted Current Loop Indicator Shop on line at.
Ser vicing Nor th America: USA: One Omega Drive, P .O. Box 4047 ISO 9001 Certified Stamford CT 06907-0047 TEL: (203) 359-1660 F AX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1 TEL: (514) 856-6928 F AX: (514) 856-6886 e-mail: info@omega.
T ABLE OF CONTENTS 1.0 GENERAL INFORMA TION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 SPECIFICA TIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UNP ACKING INSTRUCTIONS Remove the Packing List and verify that you have received all equipment, including the following: QTY DESCRIPTION 1 Current Loop Meter Indicator with all applicable connnectors attached.
1 1.0 GENERAL INFORMA TION Model TX82B two-wire current-loop indicator accepts 1-5 mA, 4-20 mA, or 10-50 mA process signals and digitally displays the process variable in percentage or engineering units of such measurements as pressure, flow , temperature and level.
2 2.0 SPECIFICA TIONS 2.1 INPUT Current 1-5 mA, 4-20 mA or 10-50 mA Protection 200 mA max forward and 1000 mA max reverse V oltage Drop 2.5 V max forward and 1.
3 2.4 DISPLA Y T ype 7-segment LCD Color Black digits with white background Symbols -1.8.8.8.0.0, 12.7 mm (0.5 in) height Polarity Minus sign Overrange Three least-significant digits blank Extra digit.
4 3.0 MECHANICAL ASSEMBL Y AND INST ALLATION 3.1 SAFETY CONSIDERA TIONS T o ensure safe operation, follow the guidelines below: VISUAL INSPECTION: Do not attempt to operate the instrument if damage is found. SIGNAL WIRING: Insert the proper plus and minus signal wires into the plug-in screw-clamp connector terminals marked plus and minus.
3.3 INST ALLA TION/REMOVAL The TX82B is housed in a 1/8 DIN case. The electronic circuitry can be installed or removed from the front and is attached to the case with two M4 screws through the rear panel. Panel Mounting 1. Remove the two thumbnuts on the rear of the case.
6 Figure 3-2. DIN Case Dimensions 4.0 SIGNAL INPUT CONNECTIONS (P3) The signal input connections for all meters are made at connector P3 as follows (see Figure 3-1): P3 Connection Signal 1 Signal Hi 2 Signal Lo 3 No Connection 4.15 [105.4] SLEEVE 3.50 [88.
7 5.0 CONFIGURA TION The standard TX82B meter is factory-configured for an input of 4-20 mA to display 00.0 to 100.0. Field configuration for input current range, decimal point location, dummy right-h.
8 Figure 5-1 Main Board Jumper Locations A AH J F C D E B G BJ E H G R4 U3 U2 P3 VR1 S1 S2 S2 SP AN ADJ. ZERO ADJ. VR2 R30 S1 F C D.
9 6.0 CUSTOMER CONFIGURA TION AND CALIBRA TION Use this procedure to determine the configuration of the TX82B customized setup. The procedure is general; customers can specify any two current inputs and their corresponding digital readings. Pin-groups are shown in Figure 5-1.
10 6.2 CONFIGURA TION PROCEDURES 1. Remove all push-on jumpers. 2. For an input current range of 1-5 mA, no jumper is required. For 4-20 mA input, install a push-on jumper at S1-H. For 10-50 mA input, install a push-on jumper at S1-J. 3. If N2 (Section 6.
11 Figure 7-1 Wiring Diagram for TX82B Usage for FM (Factory Mutual) SAFE AREA APPARATUS 2 EARTHED BUS BAR + - 3 1 4 INTER- CONNECTING CABLES SHUNT ZENER DIODE SAFETY BARRIER SAFE AREA HAZARDOUS AREA .
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WARRANTY / 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.
M1060/0303 10579ML-99 J Where Do I Find Everything I Need for Process Measurement and Contr ol? OM EGA…Of Course! Shop on line at www .omega.com TEMPERA TURE Thermocouple, RTD & Thermist.
An important point after buying a device Omega TX82B (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 TX82B 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 TX82B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega TX82B you will learn all the available features of the product, as well as information on its operation. The information that you get Omega TX82B will certainly help you make a decision on the purchase.
If you already are a holder of Omega TX82B, 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 TX82B.
However, one of the most important roles played by the user manual is to help in solving problems with Omega TX82B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega TX82B 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