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Reno A&E U-1400 Operation Manual

Loop detector
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Model U-1400
Loop Detector
Firmware Version 4.00
Operations Manual
Four Channel Menu Drive Programmable Inductive Loop Vehicle
Detector Designed for Railroad Applications
Four Loop Inputs, Eight Vital Outputs, and Four Vital Inputs
Built-in Loop Analyzer for Each Channel
This manual contains technical information for the
Model U-1400 Loop Detector
pn 889-2106-03 Revision: April 2020

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Summary of Contents for Reno A&E U-1400

  • Page 1 Four Channel Menu Drive Programmable Inductive Loop Vehicle Detector Designed for Railroad Applications Four Loop Inputs, Eight Vital Outputs, and Four Vital Inputs Built-in Loop Analyzer for Each Channel This manual contains technical information for the Model U-1400 Loop Detector pn 889-2106-03 Revision: April 2020...
  • Page 3 THE FOLLOWING PRODUCT WAS DESIGNED, INSPECTED, TESTED AND MANUFACTURED IN THE USA BY EBERLE DESIGN, INC. IN PHOENIX, ARIZONA. 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. ALL REGISTERED TRADEMARKS OF EBERLE DESIGN INC.

  • Page 5: Table Of Contents

    Model U-1400 Operations Manual Table of Contents Section 1 General Description ......................1 Section 2 General Characteristics ....................2 2.1 Loop Frequency ........................2 2.2 Sensitivity ..........................2 2.3 Option 1: Loop Inductance Display ..................2 2.4 Option 2: Loop Inductance -∆L/L Display ................2 2.5 Option 3: Noise Filter ......................
  • Page 6 5.12 Full Restore to Factory Default Settings ................35 5.13 Diagnostic Features Activation ..................35 5.14 Display Test ........................35 5.15 Changing or Relocating Detectors..................35 Section 6 Block Diagram ........................ 36 Section 7 Theory of Operation ....................... 37 Section 8 Maintenance and Troubleshooting ................38 8.1 Basic Troublshooting Tips ....................

  • Page 8: Section 1 General Description

    Synch In and Synch Out lines. This allows loops connected to different detectors to be scanned in series or parallel. When in Program Mode, the Model U-1400 detector displays the real time loop frequency reading for each channel. The eight frequency levels can be incremented or decremented to provide precise frequency settings.

  • Page 9: Section 2 General Characteristics

    Each loop input’s Option 4 has ten settings ranging from 4.00 to 4.08 and 4.10. This option allows the user to select a detection zone tracking setting that will maintain detection zone occupancy for an 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 2 of 39...

  • Page 10: Option 5: Sensitivity Boost

    The Loop Check Timer can be set for an interval ranging from 0 to 255 minutes in one-minute increments. A setting of 000 indicates that the Loop Check feature is off. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 3 of 39...

  • Page 11: Detector Id

    2.11 OPTION 7: SYNCH FEATURE This option provides a means of linking together up to four (4) U-1400 detectors. Each detector’s Option 7 has three settings ranging from 7.00 to 7.02. There are two modes of Synch, Series Synch and Parallel Synch. When set to operate in Series Synch mode, one detector channel in the entire detector system is active at any given time.

  • Page 12: Option 9: Inductive Shunt Enhancement Circuit Feature

    When this option is toggled ON or OFF for one input, its paired input is also set to the same state. In the Model U-1400, input Channel 1 is paired with input Channel 2 and input Channel 3 is paired with input Channel 4.

  • Page 13: Primary Vital Output Delay

    This detector has a password protection feature to guard against the accidental change of detector settings. In order to change any detector setting, a valid password must be entered to disable the password protection feature. Refer to Section 5.0 for details. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 6 of 39...

  • Page 14: Section 3 Specifications

    This feature can be used to eliminate crosstalk between adjacent loops connected to different U-1400 detectors. NOTE: Response times will vary depending on the number of detectors (up to a maximum of four) on the Synch Line. (See Section 3.4.)
  • Page 15 Loop Check Timer. The Vital Output(s) to which the Loop Status Input(s) and/or Health Status Input(s) is (are) mapped will not be activated until the problem with the check loop is corrected and the 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 8 of 39...
  • Page 16 Loop Check function is turned off. During a check loop failure the LCD will flash Lcl. NOTE: If the Loop Check Timer is set to 0 minutes, the Loop Check function is off. : The Synch feature provides a means of linking up to four U-1400 detectors together. There are two YNCH modes in which the detectors can be configured to operate, Series Synch or Parallel Synch.
  • Page 17 268 ±52 278 ±58 400 ±80 278 ±58 530 ±110 278 ±58 0.01 % 121 ±25 268 ±52 278 ±58 400 ±80 278 ±58 530 ±110 278 ±58 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 10 of 39...
  • Page 18 Chassis Ground Channel 4 Loop Input Channel 1 Primary Vital Output + Synch Out No Connection No Connection Channel 4 Check Loop Input Channel 4 Auxiliary Vital Output + 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 11 of 39...
  • Page 19 No Connection No Connection No Connection No Connection No Connection C DC + C Clock No Connection No Connection No Connection No Connection No Connection C Common C Data 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 12 of 39...
  • Page 20 NOTES: The pairs of wires connected to Pins D & E, Pins F & b, Pins N & u, Pins P & i, Pins R & j, Pins S & T, Pins U & V, and Pins d & v are twisted together. There is an additional green wire in the harness wire bundle that is used to ground the connector shell. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 13 of 39...

  • Page 21: Section 4 User Interface

    VITAL IN, VITAL OUT, and VITAL AUX Output LEDs. The Output LEDs are illuminated in their red phase as a means of confirming proper function of the detector’s Vital Output failure feature. There are no internal switches or jumpers to set. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 14 of 39...

  • Page 22: Section 5 Installation And Set-Up

    The Model U-1400 is shipped with two mounting brackets and six 10-32 x 3/8˝ pan head machine screws that can be used to mount the detector to a shelf or a wall. The left and right sides of the U-1400 each have three 10-32 threaded inserts that are used to secure the mounting brackets to the sides of the unit.
  • Page 23 Use four of the pan head machine screws to secure the mounting brackets to each side of the detector using the two pairs of vertically oriented threaded inserts as shown below. Mounting Bracket - Wall Mount (Left Side Shown, Right Side Similar) 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 16 of 39...

  • Page 24: Initial Installation Start-Up Mode Display Screens

    5.1 INITIAL INSTALLATION START-UP MODE DISPLAY SCREENS Upon application of power, the LCD screen will show the detector model letter and firmware version, in this case, Model U-1400 firmware version 4. This screen will be displayed for two seconds. ©...

  • Page 25: Program Mode Display Screens

    34.9 kHz......Changing the frequency will reset the Loop Input. An unstable OTES frequency display varying more than ±0.2 kiloHertz may indicate loop crosstalk or other interference. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 18 of 39...
  • Page 26 ......Option 4.03 is turned ON for loop input 1. XAMPLE © ......This option is a loop input specific setting. Changing it for one OTES loop input changes it for that loop input only. OPTION 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 19 of 39...
  • Page 27 XAMPLE © ......This option is a detector-wide setting. Setting Option 7 to 7.01 OTES activates Series Synch (SYS), setting Option 7 to 7.02 activates Parallel Synch (SYP). OPTION 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 20 of 39...
  • Page 28 ......Count will be reset to 0 after loss of power, pressing the  OTES LOOP FAIL (UP) or  (DOWN) pushbutton, or a reset input to the Reset terminal on the motherboard. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 21 of 39...

  • Page 29: Primary Vital Output Mapping Screens

    FUNC pushbutton to advance to the mapping settings of the next Primary Vital Output. A Primary Vital Output is deactivated if no Loop Status Inputs or Vital Inputs are mapped to it. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 22 of 39...
  • Page 30 Primary Vital Output. Any Input on Loop 4 will be mapped to No Loop Inputs will be mapped to the the Primary Vital Output. Primary Vital Output. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 23 of 39...
  • Page 31 Primary Vital Output. Primary Vital Output. Vital Input 4 will be mapped to the No Vital Inputs will be mapped to the Primary Vital Output. Primary Vital Output. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 24 of 39...

  • Page 32: Auxiliary Vital Output Mapping Screens

    Auxiliary Vital Output. An Auxiliary Vital Output is deactivated if no Loop Status Inputs, Vital Inputs, or Health Status Inputs are mapped to it. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 25 of 39...
  • Page 33 Any Input on Loops 4 or 1 will be mapped to the Auxiliary Vital Output. Any Input on Loop 4 will be mapped to the Auxiliary Vital Output. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 26 of 39...
  • Page 34 Auxiliary Vital Output. Auxiliary Vital Output. Vital Input 4 will be mapped to the No Vital Inputs will be mapped to the Auxiliary Vital Output. Auxiliary Vital Output. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 27 of 39...
  • Page 35 Auxiliary Vital Output. Any Input on Health Status 4 will be No Health Status Inputs will be mapped to the Auxiliary Vital Output. mapped to the Auxiliary Vital Output. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 28 of 39...

  • Page 36: Normal Mode Display Screens

    DELAY PULSE ......This display is visible whenever any two or three pushbutton EXTENSION OTES MAX PRESENCE switches are pressed at the same time. EOG SCANNING OPTION LOOP FAIL 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 29 of 39...

  • Page 37: Error Message Display Screens

    5.4 ERROR MESSAGE DISPLAY SCREENS The Model U-1400 stores operating parameters and detection reference settings in two places. The detector hardware includes an internally mounted EEPROM and an externally mounted EEPROM memory module. In order for the detector to operate properly, the external EEPROM module shipped with the detector MUST be connected to the DB-15 Aux Port connector on the front panel.
  • Page 38 If a vehicle (or vehicles) is (are) present over any or all loops at this time, the inductance change caused by the vehicle(s) will be incorporated into the new baseline detection reference and the vehicle(s) will no longer be detected. 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 31 of 39...

  • Page 39: Loop Check Pass / Fail Indications

    Each of the four Vital Inputs has a dual color (green / red) LED which illuminates in various ways to indicate the state of the Vital Input. When the LED is off, the Vital Input is deactivated (low voltage level). When the LED 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 32 of 39...

  • Page 40: Primary Vital Output (Vital Out) Status / Fail Indications

    LCD will display FSY and continue sampling. If the Synch failure is cleared, the fail indication (FSY) will no longer be displayed on the LCD. © Parallel Synch Mode Failure Indication 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 33 of 39...

  • Page 41: Loop Fail Indications

    The Bargraph is a window that adjusts to t he sensit ivity setting. © % of Inductance 0.01 0.02 0.04 0.08 0.16 0.32 0.64 1.28 2.56 5.12 SENSITIVITY 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 34 of 39...

  • Page 42: Full Restore To Factory Default Settings

    LCD screen. 5.15 CHANGING OR RELOCATING DETECTORS The Model U-1400 detector stores user-programmed parameters on an internally mounted EEPROM and an external EEPROM located in a removable memory module that is included with the detector. This allows the user to change or relocate detectors and reset the parameters that were programmed for a particular site or detector.

  • Page 43: Section 6 Block Diagram

    +5 VDC Supply Buzzer +18 VDC Vital Input 4 +10 VDC DC Com +12 VDC Synch In Synch Out RS-232 RS-232 Communication Communication Input Output Internal External EEPROM EEPROM 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 36 of 39...

  • Page 44: Section 7 Theory Of Operation

    (set by the sensitivity settings), the detector will deactivate a Vital output if one is mapped. If the rate of change is slow, typical of environmental drift, the detector will continuously track and compensate for the change. The Model U-1400 detector also monitors the loop frequency for out of range conditions such as an open or shorted loop circuit.

  • Page 45: Section 8 Maintenance And Troubleshooting

    Section 8 Maintenance and Troubleshooting The Reno A&E Model U-1400 Detector requires no maintenance. If you are having problems with your Model U- 1400 detector, use the troubleshooting tips below to help determine the cause of the problem. 8.1 BASIC TROUBLESHOOTING TIPS Detector Enclosure Checks: Verify correct input voltage to the detector.

  • Page 46: Things To Know About Loops

    = 1 / [ (1 / L ) + (1 / L ) + (1 / L ) + . . . + (1 / L ) ]. TOTAL 889-2106-03 Model U-1400 Operations Manual Rev Apr 2020 Page 39 of 39...

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