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Summary of Contents for Siemens A80850
- Page 1 User Guide WIU Current Sensor, A80850 DECEMBER 2011 (REVISED MARCH 2019) DOCUMENT NO. SIG-00-11-10 VERSION A.1 Siemens Mobility, Inc. 700 East Waterfront Drive Munhall, Pennsylvania 15120 1-800-793-SAFE www.usa.siemens.com/rail-manuals Copyright © 2011-2019 Siemens Mobility, Inc.
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Page 2: Proprietary Information
WARRANTY INFORMATION Siemens Mobility, Inc. warranty policy is as stated in the current Terms and Conditions of Sale document. Warranty adjustments will not be allowed for products or components which have been subjected to abuse, alteration, improper handling or installation, or which have not been operated in accordance with Seller's instructions. -
Page 3: Table Of Contents
Table Of Contents Section Title Page PROPRIETARY INFORMATION .......... WARRANTY INFORMATION ..........SALES AND SERVICE LOCATIONS ........FCC RULES COMPLIANCE ..........TABLE OF CONTENTS ............. LIST OF FIGURES ............NOTES, CAUTIONS, AND WARNINGS ......ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS .... INTRODUCTION ....................... 1-1 General .................. -
Page 4: Notes, Cautions, And Warnings
INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY. WARNINGS ALWAYS TAKE PRECE- DENCE OVER NOTES, CAUTIONS, AND ALL OTHER INFORMATION. If there are any questions, contact Siemens Mobility, Inc. Application Engineering Document No.: SIG-00-11-10 Version: A.1... -
Page 5: Electrostatic Discharge (Esd) Precautions
(ESD) during the handling, shipping, and storage of electronic modules and components. Siemens has instituted these practices at its manufacturing facility and encourages its customers to adopt them as well to lessen the likelihood of equipment damage in the field due to ESD. -
Page 6: Document No.: Sig-00-11-10 Version:
This Page Intentionally Left Blank Document No.: SIG-00-11-10 Version: A.1... -
Page 7: Introduction
INTRODUCTION SECTION 1 INTRODUCTION INTRODUCTION General The WIU (Wayside Interface Unit) current sensor is a component of the VIU and iVIU product lines. The WIU current sensor monitors signal lamp current to report if the lamp is off, on, or flashing. In PTC applications the current sensor monitors the energized state of the wayside signal lamps, and the signal aspect information is transmitted by the WIU to the locomotive. -
Page 8: Current Sensor Adapter Board
INTRODUCTION 1.1.2 Current Sensor Adapter Board The current sensor adapter board enables easy rerouting of the existing lamp wires through the sensors. By disengaging a single wire from its terminal and installing the small current sensor adapter board in its place, an extension loop (pre-wired through the sensor) is added to that lamp wire. -
Page 9: Installation
DIAGRAM. FAILURE TO DO SO MAY LEAD TO INCORRECT OR UNSAFE OPERATION OF THE SIGNAL SYSTEM. CAUTION SIEMENS MOBILITY, INC. STRONGLY RECOMMENDS INSTALLING PRIMARY SURGE PROTECTION ON EXTERNAL LINES CONNECTING TO THE VIU. NOTE The WIU Current Sensor is not intended to be used for current sensing of Pulse Width Modulated (PWM) lamp detection. -
Page 10: Current Sensor Adapter Installation
INSTALLATION 2.1.1 Current Sensor Adapter Installation The current sensor adapter is designed to retrofit existing signal control points and make them PTC-ready with minimal effort. Figure 2-1 shows the comparison of an existing terminal board and a modified terminal board with the current sensor adapter installed. -
Page 11: Current Sensor Wiring
INSTALLATION 2.1.2 Current Sensor Wiring The wiring installation of the current sensor is shown in Figure 2-3 below. Lamp wiring is connected to the current sensor input connector J1. The input wires may be existing lamp wires or wires from the optional adapter board. Battery and the Vital Test Current Output are connected to J3. -
Page 12: Current Sensor Output Connection
INSTALLATION 2.1.2.1 Current Sensor Output Connection The current sensor output (J2) is connected using a shielded cable. The shield is terminated at the current sensor output only as shown in Figure 2-5. Belden 9939 or equivalent cable is recommended. CAUTION USE CARE TO ENSURE THE ELIMINATION OF ANY FOREIGN ENERGY SOURCES. -
Page 13: Surge Protection
Siemens Mobility, Inc. strongly recommends installing primary surge protection on external lines. A typical installation incorporating a surge suppressor on the wiring going to the signal lamp is shown in the figure below. Siemens Mobility, Inc. strongly recommends this type of installation. -
Page 14: Current Sensor Module Expansion
INSTALLATION 2.1.4 Current Sensor Module Expansion Multiple Current Sensor modules may be connected together to provide more inputs while reducing the number of individual power and test wire connections. To install an expansion module, insert J3 of the expansion module into J4 of the main module as shown in Figure 2-7. -
Page 15: Threshold Settings
INSTALLATION 2.1.5 Threshold Settings The current sensor module has adjustable threshold settings for each input. The settings are adjusted via DIP switches located on the front of the unit. The DIP switch settings are shown in Figure 2-9. WARNING IT IS THE RAILROAD'S OR AGENCY'S RESPONSIBILITY THAT THE INSTALLATION IS FULLY OPERATIONALLY TESTED TO ENSURE SAFETY. -
Page 16: Figure 2-9 Threshold Settings
INSTALLATION Threshold - ±1.80 Amps Threshold - ±1.42 Amps Threshold - ±1.03 Amps ( Factory Default) Threshold - ±0.65 Amps (Reserved for future use) Figure 2-9 Threshold Settings Document No.: SIG-00-11-10 Version: A.1... -
Page 17: Example Installations
Six surge suppressors are installed to protect the equipment from power and lightning surges. The current sensor modules are fed into an Siemens Mobility, Inc. VIU 16i that will supply data to a network via hardwire or data radio. -
Page 18: Figure 2-11 Example Of Current Sensing For Individual Signal Lamps
INSTALLATION An example drawing of current sensing of the individual signal lamps using an Siemens Mobility, Inc. VIU and surge suppression is shown in Figure 2-11. Figure 2-11 Example of Current Sensing for Individual Signal Lamps 2-10 Document No.: SIG-00-11-10... -
Page 19: Figure 2-12 Example Of Current/Voltage Sensing
An example drawing of a current/voltage sensing installation where current sensing is used on the lamp common and voltage sensing is used on the individual signal lamps is shown in Figure 2-12. The Siemens Mobility, Inc. VIU and surge suppression equipment is used in the installation. - Page 20 Siemens Mobility, Inc. 2400 Nelson Miller Parkway Louisville, Kentucky 40223 (502) 618-8800 Siemens Mobility, Inc. 939 South Main Street Marion, Kentucky 42064 (270) 918-7800 Siemens Mobility, Inc. 700 East Waterfront Drive Munhall, Pennsylvania 15120 1-800-793-SAFE...