Reno A&E U-1400 Operation Manual Download Page 1

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This manual contains technical information for the

Model U-1400 Loop Detector

pn 889-2106-03 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 Loop Inputs, Eight Vital Outputs, and Four Vital Inputs

Built-in Loop Analyzer for Each Channel

Summary of Contents for U-1400

Page 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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Page 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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Page 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...

Page 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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Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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