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Summary of Contents for EDI 242E
- Page 1 Model 242E Enhanced DC Isolator Unit Operations Manual THIS MANUAL CONTAINS TECHNICAL INFORMATION FOR THE MODEL 242E SERIES ENHANCED DC ISOLATOR. SERIAL NUMBER: 1101XXXXX and up PCB Issue B, 010-0242-001 REVISION: JANUARY 2011 pn 888-0242-003...
- Page 2 THE MODEL 242E SERIES ENHANCED DC ISOLATOR IS DESIGNED AND MANUFACTURED IN THE USA BY EBERLE DESIGN INC. PHOENIX, ARIZONA. EDI IS CERTIFIED TO ISO 9001:2008 QUALITY SYSTEMS STANDARDS. INFORMATION CONTAINED HEREIN IS PROPRIETARY TECHNICAL INFORMATION OF EBERLE DESIGN INC. PUBLICATION, REPRODUCTION OR USE IN WHOLE OR PART IS NOT PERMITTED EXCEPT UNDER TERMS AGREED UPON IN WRITING.
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Page 3: Table Of Contents
Table of Contents Section 1 General........................1 1.1 Description........................1 1.2 Enhanced Features ...................... 1 1.3 General Characteristics ....................1 1.4 Installation and Adjustments ..................1 1.4.1 Output Polarity ....................1 1.4.2 Output Minimum Pulse Width ................2 1.4.3 Input Pulse Filtering.................... 2 1.5 Output (OUT) and Fault (FLT) Indicators .............. -
Page 4: Section 1 General
General 1.1 DESCRIPTION The Eberle Design Model 242E is a dual channel DC Isolator unit designed to meet Caltrans specifications TSCES 1989, and TEES August 2002 Chapter 1. The isolator unit occupies one position of a 170 standard input file. The isolator unit card incorporates a double-sided 44 pin edge connector for the connection of power, input, and output signals. -
Page 5: Output Minimum Pulse Width
If a cabinet fault or isolator output failure causes the true electrical state of the output to differ from the intended state, the FLT indicator will illuminate. This may be caused by a failure of the Model 242E output circuit, a wiring malfunction in the cabinet, or an input circuit malfunction in the controller unit. -
Page 6: Input Circuit
LEDs labeled “OUT”. The Model 242E operating voltage is generated by a high efficiency off-line switching power supply. The VDD supply for the microcontroller and display elements results from a post regulated 5 Vdc. -
Page 7: Maintenance
The Model 242E requires no adjustments or preventive maintenance. 1.7.1 TROUBLE ANALYSIS The following list should be used to trouble-shoot the Model 242E installation. If the Model 242E unit itself is suspect, see Section 1.7.2 for a complete internal testing sequence. -
Page 8: Section 2 Specifications
Model 242E Operations Manual Section 2 Specifications 2.1 MECHANICAL Height ....................... 4.50 inches Width ......................... 1.2 inches Depth (excluding handle) ................6.875 inches 2.2 ENVIRONMENTAL Storage Temperature Range ..............-45 to +85 Operating Temperature Range ..............-34 to +74 Humidity Range (non-condensing) ............0 to 95% Relative 2.3 ELECTRICAL... -
Page 9: Section 3 Parts List And Schematic
Model 242E Operations Manual Section 3 Parts List and Schematic |-----------------------------------------------------------------------------------------------------------------------| |Item|EDI Part Number|Qty|Description |Reference |Manufacturer |----+---------------+---+-------------------------------------------------+-------------------+------------------------| |(NO COMPONENT) |(NO COMPONENT) |GND HV+ HV- VCC VDD| |(NO COMPONENT) |SEL4-5 |(NO COMPONENT) |M1-2 |PIC Programming Port |215-5610-S |Resistor, 560 OHMS, 1/2W, 5%, 2010 surf. - Page 10 Model 242E Operations Manual |320-1030-100S |CAPACITOR, CER.MULT, 0.01uF, 100V, 10%, 1206 CHIP|C8-9 |320-1040-050S |CAPACITOR, CER.MULT, 0.1uF, 50V, 10%, 1206 CHIP |C1-2 C15 C19-20 |325-1010-500R |CAPACITOR, CER.DISC, 100pF, 500V, 10%, RDL |C12 |PANASONIC |325-4700-500R |CAPACITOR, CER.DISC, 47pF, 500V, 10%, RDL |C11...
- Page 11 Model 242E Operations Manual Eberle Design Inc. Page 8...
- Page 12 Model 242E Operations Manual Eberle Design Inc. Page 9...
- Page 13 Model 242E Operations Manual Eberle Design Inc. Page 10...
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