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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 ............................................................................................................ 2

2.6 Option 4: Detection Zone Tracking ........................................................................................ 2

2.7 Option 5: Sensitivity Boost .................................................................................................... 3

2.8 Option 6: Audible Detect Signal ............................................................................................ 3

2.9 Loop Check ............................................................................................................................ 3

2.10 Detector ID .......................................................................................................................... 4

2.11 Option 7: Synch Feature....................................................................................................... 4

2.12 Option 8: Inductive Island Circuit Feature ........................................................................... 4

2.13 Option 9: Inductive Shunt Enhancement Circuit Feature ..................................................... 5

2.14 Primary Vital Output Delay ................................................................................................. 6

2.15 Primary Vital Output Extension ........................................................................................... 6

2.16 Input / Output Mapping ........................................................................................................ 6

2.17 Full Restore to Factory Default Settings .............................................................................. 6

2.18 Diagnostic Features Activation ............................................................................................ 6

2.19 Password Protection ............................................................................................................. 6

Section 3 Specifications ..................................................................................................................... 7

3.1 Physical .................................................................................................................................. 7

3.2 Electrical ................................................................................................................................ 7

3.3 Operational ............................................................................................................................ 7

3.4 Table: Sensitivity, -

∆L/L, and Response Time

..................................................................... 10

3.5 Table: Default Settings ......................................................................................................... 11

3.6 Table: Pin Assignments ....................................................................................................... 11

3.7 Table: Pin Assignments / Wire Colors ................................................................................. 13

Section 4 User Interface .................................................................................................................. 14

Section 5 Installation and Set-Up ................................................................................................... 15

5.1 Initial Installation Start-Up Mode Display Screens .............................................................. 17

5.2

Program Mode Display Screens ........................................................................................... 18

5.2.1 Primary Vital Output Mapping Screens ..................................................................... 22

5.2.2 Auxiliary Vital Output Mapping Screens ................................................................... 25

5.3 Normal Mode Display Screens ............................................................................................ 29

5.4 Error Message Display Screens ............................................................................................ 30

5.5 Loop Check Pass / Fail Indications ...................................................................................... 32

5.6 Vital Input (VITAL IN) Status / Fail Indications ................................................................. 32

5.7 Primary Vital Output (VITAL OUT) Status / Fail Indications ............................................. 33

5.8 Auxiliary Vital Output (VITAL AUX) Status / Fail Indications .......................................... 33

5.9 Synch Fail Indications .......................................................................................................... 33

5.9.1 Series Synch Fail Indications ..................................................................................... 33

5.9.2 Parallel Synch Fail Indications ................................................................................... 33

5.10 Loop Fail Indications ......................................................................................................... 34

5.11 Setting Sensitivity Using the Bargraph .............................................................................. 34

Содержание U-1400

Страница 1: ...3 Revision April 2020 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 Lo...

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Страница 3: ...BLICATION REPRODUCTION OR USE IN WHOLE OR PART IS NOT PERMITTED EXCEPT UNDER TERMS AGREED UPON IN WRITING ALL REGISTERED TRADEMARKS OF EBERLE DESIGN INC ARE UNDER COPYRIGHT MAINTENANCE NOTE IT IS AN E...

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Страница 5: ...on 6 Section 3 Specifications 7 3 1 Physical 7 3 2 Electrical 7 3 3 Operational 7 3 4 Table Sensitivity L L and Response Time 10 3 5 Table Default Settings 11 3 6 Table Pin Assignments 11 3 7 Table Pi...

Страница 6: ...tic 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 Ba...

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Страница 8: ...etector continues to operate normally while being programmed An eight segment bargraph at the top of the LCD provides a graphical representation of the relative change of inductance as seen by the det...

Страница 9: ...useful for checking controller response and other troubleshooting activities 2 3 OPTION 1 LOOP INDUCTANCE DISPLAY The Loop Inductance Display setting can be toggled ON or OFF by momentarily pressing e...

Страница 10: ...vity boost is added When Option 5 is set to 5 01 5 02 5 03 or 5 04 the option is ON and sensitivity boost is enabled After detection the sensitivity is boosted to the currently selected sensitivity le...

Страница 11: ...ng 2 12 OPTION 8 INDUCTIVE ISLAND CIRCUIT FEATURE The detector s Inductive Island Circuit option can be toggled ON or OFF by momentarily pressing either the UP or DOWN pushbutton Option 8 is a detecto...

Страница 12: ...l come on and stay on until the failure is corrected The sequence of operation starts with a detection on one input channel When both of the paired input channels have detection the last input channel...

Страница 13: ...tput Extension does not condition the Auxiliary Vital Outputs 2 16 INPUT OUTPUT MAPPING The Loop Status Inputs and or Vital Inputs can be assigned to one or more of the Primary Vital and Auxiliary Vit...

Страница 14: ...TNING PROTECTION The detector can tolerate without damage a 10 microFarad capacitor charged to 2 000 volts being discharged directly into the loop input terminals or a 10 microFarad capacitor charged...

Страница 15: ...ntinue as long as the loop fault exists At the time of a loop failure the Loop status LED will begin to flash at a rate of three flashes per second The LED will continue this display pattern until the...

Страница 16: ...he synch pulse returns to the first detector The Synch out of the first master unit is connected to the Synch in of the second detector the Synch out of the second detector is connected to the Synch i...

Страница 17: ...ps Once this presence detection has occurred the remaining two or three input channels arm and Auxiliary Vital Output 1 deactivates As the vehicle proceeds from the first arming loop onto the main cha...

Страница 18: ...mary Vital Output B Channel 1 Vital Input g Channel 4 Primary Vital Output C Channel 2 Vital Input h Channel 4 Primary Vital Output D Channel 3 Loop Input i Channel 2 Check Loop Input E Channel 3 Loop...

Страница 19: ...Vital Input P Channel 2 Check Loop Input r Channel 4 Vital Input i Channel 2 Check Loop Input s Channel 4 Vital Input R Channel 3 Check Loop Input EE Chassis Ground j Channel 3 Check Loop Input G DC...

Страница 20: ...aryVitalOutput Orange Blue q Channel1VitalInput Gray Brown L Channel3AuxiliaryVitalOutput Violet Orange r Channel4VitalInput Gray Yellow M Channel3AuxiliaryVitalOutput Orange Violet s Channel4VitalInp...

Страница 21: ...Program Mode UP Pushbutton Increments Values Toggles ON and OFF Activates Detector Diagnostic Features Channel Select Pushbutton Change Displayed Loop Input Channel Press and Release Exit Program Mod...

Страница 22: ...display the same parameter in the next loop input channel The currently selected channel is indicated at the bottom of the LCD display Pressing and holding the CHAN pushbutton for one second will exit...

Страница 23: ...unused threaded inserts as shown below 3 Use the remaining holes on the mounting brackets and user supplied 10 hardware to secure the detector to the shelf Wall Mount 1 Use four of the pan head machi...

Страница 24: ...cycle When shipped from the factory the Detector ID is set to 255 and the detector is considered to be uninitialized This will be the case on initial start up Before proceeding the detector ID must be...

Страница 25: ...tion process or a pending loop check failure state is resolved in one of the ways mentioned above the LCD screen will show a normal idle condition 5 2 PROGRAM MODE DISPLAY SCREENS PARAMETER Password P...

Страница 26: ...F will be displayed 7 SEGMENT DISPLAY The number of this option DEFAULT SETTING OFF for all loop inputs EXAMPLE Option 2 is turned OFF for all loop inputs NOTES This option is a detector wide setting...

Страница 27: ...option in any other loop input Turning it on for one loop input turns it off for all other loop inputs This option will automatically turn off after 15 minutes PARAMETER Loop Check Timer setting SETTI...

Страница 28: ...nput s detection zone is occupied when this parameter is changed it will not take effect until the detection zone is empty or the loop input is reset When viewing and or setting the Primary Vital Outp...

Страница 29: ...he Loop Status Inputs and or Vital Inputs are being mapped to 7 SEGMENT DISPLAY 7 segment display will show currently selected setting The first character corresponds to the Loop Status Inputs mapped...

Страница 30: ...Output Any Input on Loops 3 or 2 will be mapped to the Vital Output Any Input on Loops 3 or 1 will be mapped to the Primary Vital Output Any Input on Loop 3 will be mapped to the Primary Vital Output...

Страница 31: ...s will show the corresponding Vital Inputs mapping Use the UP or DOWN pushbutton to change the setting to the desired configuration Use the FUNC pushbutton to advance to the next Primary Vital Output...

Страница 32: ...Inputs mapped to Auxiliary Vital Outputs and the third character corresponds to the Health Status Inputs mapped to the Auxiliary Vital Outputs DEFAULT SETTINGS Auxiliary Vital Output 1 000 No Loop St...

Страница 33: ...oop Status Inputs Selected Any Input on Loops 4 3 2 or 1 will be mapped to the Auxiliary Vital Output Any Input on Loops 4 3 or 2 will be mapped to Auxiliary Vital Output Any Input on Loops 4 3 or 1 w...

Страница 34: ...how the corresponding Vital Inputs mapping Use the UP or DOWN pushbutton to change the setting to the desired configuration Use the FUNC pushbutton to advance to the next Auxiliary Vital Output indica...

Страница 35: ...N pushbutton to change the setting to the desired configuration Use the FUNC pushbutton to advance to the next Auxiliary Vital Output indicated by a flashing numbered loop symbol at the bottom of the...

Страница 36: ...hannel 1 Loop Lead In circuit inductance is 98 microHenries and it is not detecting a vehicle NOTES If Option 2 L L Display is ON this display is only shown when the channel is not detecting a vehicle...

Страница 37: ...it is not installed properly or that it is uninitialized To correct this problem verify that the module is installed correctly and press the FUNC pushbutton If the error message does not clear the ext...

Страница 38: ...rect for the installation in question Internal and External EEPROM Error The display will toggle between the two screens shown with a 50 duty cycle This is an indication that the data stored on the in...

Страница 39: ...p failure is selected and being viewed on the LCD the display will toggle between a screen showing L and LOOP FAIL and a screen showing Lcl and LOOP FAIL with a 50 duty cycle to indicate a that Loop C...

Страница 40: ...y Vital Outputs has a dual color green red LED that illuminates in various ways to indicate the state of the Auxiliary Vital Output When the LED is off the Auxiliary Vital Output is deactivated low vo...

Страница 41: ...ector is moved to a new location To view the Loop Fail Count select the desired loop input channel using the CHAN pushbutton then repeatedly press the FUNC pushbutton until the LOOP FAIL display is sh...

Страница 42: ...ory 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 When a new detector i...

Страница 43: ...8 VDC Power Supply DC Com Vs 12 VDC GND Front Panel Pushbutton Switches 32 MHz Oscillator Primary Vital Outputs Audible Buzzer Loop Capacitors Loop Capacitors Loop Capacitors Auxiliary Vital Outputs R...

Страница 44: ...sine wave from each loop oscillator circuit is squared to provide a precise zero crossing signal for the input to the microcontroller This signal is called the loop sample The loop sample is an integ...

Страница 45: ...measure the resistance from one of the loop wires to earth ground It should be greater than 50 megOhms If lower separate the splice at the pull box and isolate the problem to the loop or lead in cabl...

Страница 46: ...24 x 12 4 L 24 x 3 L 72 microhenries The inductance of a QuadrupoleTM loop can be estimated using the formula L P x TOL 2 TOL 4 CL x TCL 2 TCL 4 Where L Loop Inductance in microhenries P Loop Perimet...

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