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User's Guide
http://www.omega.com
e-mail: info
@omega.com
LDP-124, LDP-126, LDP-144 AND LDP-146
OPERATOR´S MANUAL FOR CLOCK MODELS
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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.com Canada : 976 Bergar Laval (Quebec) H7L 5A1 Tel : (514) 856-6928 Fax : (514) 856-6886 e-mail : info@omega.com For immediate technical or application assistance: SM USA and Canada : Sales Service : 1-800-826-6342 / 1-800-TC-OMEGA SM Customer Service : 1-800-
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CONTENTS DESCRIPTION SECTION PAGE =========================================================================== IMPORTANT SAFETY CONSIDERATIONS 13 UNPACKING AND INSPECTION 24 MAIN FEATURES 34 MODELS 45 MODEL LDP-1XX-C0, DISPLAY TIME USING THE FORMAT MM : SS 4.1 5 MODEL LDP-1XX-C1, DISPLAY TIME USING THE FORMAT HH : MM 4.2 5 MODEL LDP-1XX-C2, DISPLAY TIME USING THE FORMAT HH : MM : SS 4.3 5 GENERAL SPECIFICATIONS 56 FRONT VIEW, DESCRIPTION 67 REAR VIEW, DESCRIPTION 77 WIRING 88 POWER SUPPLY, RECOMM
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1.- IMPORTANT SAFETY CONSIDERATIONS INSTALLATION PRECAUTIONS.- SAFETY CONSIDERATIONS The installation and the future use of this unit PRESCRIPTIONS.- must be done by suit- able qualified person- Before starting any operation of adjustment, replacement, nel. The unit has not AC maintenance or repair, the unit must be disconnected from any kind (mains) switch, it will be of power supply. in operation as soon as Keep the unit clean , to assure good functioning and performance. power is conne
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2.- UNPACKING 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. At the same time the user will acquire the knowledge needed to obtain the best performances of the product. Check that inside the present cardboard box, there are the following : 1 Instrument Mode
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The common features for all series are the following: MECHANICAL.- Housed in a rugged extruded aluminium profile housing for panel mounting or free standing. Finished in anodized black colour. The frontal lens is mounted with a special rubber profile which provides the front part of the unit with an IP-65 protection. CONTROL SIGNALS .- Three inputs, sharing one common return. The operating mode depends on interlinking of the three control lines CONNECTIONS.- For output alarm are made using one
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5.- GENERAL SPECIFICATIONS DISPLAY Type . . . . . . . . . . . . . . . . . 4 or 6 digits, 7 segments, red or green LED. OUTPUTS Height digit . . . . . . . . . . . . 57 (2.3") or 100 mm. (4") Range máx. . . . . . . . . . . . . 99 : 59 or 99 :59 : 59 SERIAL OUTPUT . . . . . . . Output intended for transmission to the Brightness . . . . . . . . . . . . . Set by switch for 25%, 50%, 75% remote display fitted with a clock or 100% (normal). display as a slave clock display. Signal . . . . . . . . . . .
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6.- FRONT VIEW, DESCRIPTION colon Models LDP-124-C0 & C1 LDP-144-C0 & C1 Display minutes for model C0 Display seconds for model C0 Display hours for model C1 Display minutes for model C1 Models LDP-126-C2 LDP-146-C2 Display hours for model C2 Display minutes for model C2 Display seconds for model C2 7.- REAR VIEW, DESCRIPTION for all series Attaching screws Connector Sub-D 15 pins for Control Lines and voltage excitation output 4 ways plug-in screw connector for alarm Power Supply output Vac + E
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8.- WIRING 8.1.- POWER SUPPLY, RECOMMENDED WIRING POWER SUPPLY 115 Vac (230 Vac Optional). Main switch FUSE and spare fuse. 8.2.- PROTECTION FUSES Power Fuse The unit has a protection fuse located on the power supply socket. Supply value If this fuse must be replaced or changed because the power supply is changed, use the time-lag fuse according to IEC 127/2 with the 230 Vac 0.2 A values indicated on the table. 115 Vac 0.4 A TABLE 4 8.3.- CONTROL LINES, ALARM AND SERIAL OUTPUT Control lines conn
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8.5.- EXCITATION VOLTAGE FOR SENSORS The unit supplies the Excitation Voltage for sensors, through control lines connector. If the current required for the sensors installed is more than 100 mA then do not use this terminal. Install other external power supply. See paragraph 5 for technical specifications 9.- POWER-UP AND OPERATION 9.1.- REAL TIME CLOCK At power-up, the unit displays the message MAStEr for 6 decade version or MASt for 4 decade version and will start to operate. If a failure occ
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9.2.2.- CONNECTION EXAMPLES Different interlinking of the three control lines will produce different operating modes: Stop Stop Push B = start A A Push A = stop Start Start B Push C = reset C Reset Reset note A may close while B Close contact A = reset and run is shut Open contact A = stop GND GND B may open while A is shut Stop With contact B opened A close contact A = run Start Stop B open contact A = stop B Reset Start Push A = reset and start A Push B = stop push contact B = reset Reset GND
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10.2.1- CONTROL BOARD POSITION Control board position for instruments Control board position for instruments series LDP-2X-CX series LDP-4X-CX 10.2.2- DIP SWITCH AND JUMPERS LOCATION JP1 JP2 JP3 JP4 ON OFF
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10.2.4- JUMPERS CONFIGURATION Function Close Jumper 220 Ω terminator resistor for the RS422 JP1 (By default opened) switch debounce of 5 Hz for the STOP line JP2* (By default closed) switch debounce of 5 Hz for the START line JP3* (By default closed) switch debounce of 5 Hz for the RESET line JP4* (By default closed) Jumper Application A Jumper position B JP5 for STOP line 1 KΩ pull-up * 1 KΩ pull-down JP6 for START line falling edge/low level active*
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11.- INSTALLATION 1.- Prepare a panel cut-out with the dimensions indicated on paragraph 12. 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. 4.- Turn the screw bolt until it is pressed firmly against the panel (4) and the instrument (1) remains totally fixed. 5.- The front part of the instrument has the necessary elements to provide an IP 65 protection. If the pane
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APPENDIX 1: MODEL LDP-1XX-CX AS SLAVE REPEATER. FUNCTIONAL DESCRIPTION: Special configuration of Models LDP-1XX-CX for serial RS-422 repeater, to be used as slaves. The Serial port connection which is the only that keeps in operation, it is used to enter the data coming from the Master. The rest of functions and connections of these Models, remain disabled. CONFIGURATION OF A SLAVE MODEL, STARTING FROM A MASTER MODEL LDP-1XX-CX: - Remove the integrated circuit "IC4" placed on the PCB "98/04" and
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APPENDIX 2: TIME-NET CONFIGURATION AND CONNECTIONS. It is advisable to make the TIME-NET connections as follows: Transmitter MASTER Unit n (maximum 32 units) 1 2 3 4 Receiver SLAVE SLAVE SLAVE SLAVE SLAVE Units Connect RS-422 (JP1) line termination. Don’t connect RS-422 (JP1) line termination. Note Shielded twisted-pair cable, must be used for connections. SLAVE MASTER Don’t connect the cable shield to the receiver units (slaves). 1 1 9 9 6 6 To other sla
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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. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunction, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department wi
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA...Of Course! TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors Infrared Pyrometers PRESSURE, STRAIN AND FORCE Transducers & Strain Gauges Load Cells & Pressure Gauges Displacement Transducers Instrumentation & Accessories FLOW/LEVEL Rotameters, Gas Mass Flowmeters &
