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Eriez 1250 ANALOG Installation, Operation And Maintenance Instructions

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Installation, Operation
and Maintenance
Instructions
ERIEZ MAGNETICS
Tramp meTal
deTecTor
model 1250 analog
HEADQUARTERS: 2200 ASBURY ROAD, ERIE, PA 16506–1402 U.S.A.
WORLD AUTHORITY IN SEPARATION TECHNOLOGIES
MM-1250-ANALOG-C
1

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Summary of Contents for Eriez 1250 ANALOG

  • Page 1 MM-1250-ANALOG-C Installation, Operation and Maintenance Instructions Tramp meTal deTecTor model 1250 analog ERIEZ MAGNETICS HEADQUARTERS: 2200 ASBURY ROAD, ERIE, PA 16506–1402 U.S.A. WORLD AUTHORITY IN SEPARATION TECHNOLOGIES...
  • Page 2 If there are any questions or comments about the manual, please call Eriez at 814/835-6000 for Metal Detector assistance. CAUTION: Safety labels must be affixed to this product. Should the safety label(s) be damaged, dislodged or removed, contact Eriez for replacement.

  • Page 3: Table Of Contents

    Table of Contents ERIEZ MODEL 1250 METAL DETECTOR PART I - OPERATION & DESCRIPTION .............. 4 PART II - INSTALLATION ..................8 PART III - START-UP & CALIBRATION ............... 14 PART IV - SYSTEM PROGRAMMING ..............16 PART V - TROUBLESHOOTING ................. 22...

  • Page 4: Part I - Operation & Description

    part I - Operation & Description A. GENERAL The Detector is influenced only by change. There- fore, stationary structural members, metal belt cores, The Model 1250 provides protection to down stream symmetrical idlers and other objects which do not processing equipment by detecting the presence of represent a moving mass to the field are not detect- potentially damaging metal objects.
  • Page 5 part I - Operation & Description (cont.) The Interface Module interconnectors all external MOUNTING fRAME signals and power to the Electronic Module. This Two types of mounting frames support the anten- module houses the power transformer, solid state nas on troughed and slider bed conveyors. Special relays and interface circuit board.
  • Page 6 part I - Operation & Description (cont.) FIGURE 1. MAIN CONTROL ENCLOSURE (NEMA 4, 4X, 7 OR 9)
  • Page 7 part I - Operation & Description (cont.) FIGURE 2. ELECTRONIC MODULE...

  • Page 8: Part Ii - Installation

    part II - Installation PLEASE READ THROUGH COMPLETELY (1.2 m) from the detector antennas. BEFORE BEGINNING WORK! • Position the entire search coil assembly so that A. UNpACkING the bottom coil (usually the receiver) is equally spaced between the two adjacent idler rollers. Upon receipt of the crate(s) containing the Metal Center the receiver coil.
  • Page 9 part II - Installation (cont.) • Secure the frame assembly to the receiver coil. Remember to remove all metal shavings when you Make sure the assembly is aligned. Use the are finished. Use caution to not damage the elec- hardware provided as called out in the Frame tronics and to ensure that no metal particles enter Assembly Diagram.
  • Page 10 part II - Installation (cont.) E. SwING-AwAy SwITCh (If • Feed the Clip Detector cable into the conduit, from the Clip Detector end to the Main Control AppLICABLE) Enclosure. The Swing-Away Cutout Switch (Optional) is a pre- wired switch mounted on the swing-away, bracket. •...
  • Page 11 part II - Installation (cont.) FIGURE 3. SWING-AWAY FRAME ASSEMBLY FIGURE 4. FIXED FRAME ASSEMBLY...
  • Page 12 part II - Installation (cont.) NOTE: The 1" x 1" (25 x 25 mm) support structure Chemical (or equivalent) mixed with a two (2) is a solid fiberglass bar. gallon (7.6 l) solution of water and antifreeze appropriate for local climate conditions (minimum •...
  • Page 13 part II - Installation (cont.)

  • Page 14: Part Iii - Start-Up & Calibration

    part III - Start-up & Calibration A. START-Up will light anytime moving metal is in the sensing field. When calibrating the system, be careful not Before turning on the system, locate the switches to introduce extraneous metal into the field in the and lights on the door panel and the controls inside form of rings, belt buckles, keys, steel-toed shoes, the cabinet.
  • Page 15 part III - Start-up & Calibration (cont.) D. OpERATION • Observe the reference clips to see if they are passing within 1" (25 mm) of the Clip Sensor The Detector may be programmed to operate in a Head when the belt is empty. Adjust the Clip manual or an automatic reset mode;...

  • Page 16: Part Iv - System Programming

    part Iv - System programming A. GENERAL • Remove the control knobs and cover of the Elec- tronic Module as indicated in Section IV.A. The Detector provides a wide range of program ming capability. The Detector can be individually tailored •...
  • Page 17 part Iv - System programming (cont.) For calibration of the clip gain follow the steps TABLE 1. CLIP TIME DELAY below: (SWITCH S1) • Run the belt at normal running speed and maxi­ mum belt load. • Verify that the clip timer, status indicator No. 7 lights each time a clip passes the sensor head.
  • Page 18 part Iv - System programming (cont.) G. STANDARD OR fAIL-SAfE TABLE 2. S2 - DELAY BEFORE ALARM OUTpUT OpERATION S3 - TIME ALARM ON As standard, the alarm outputs of the Detector will energize when tramp metal is detected. In this mode, the solid state relay is programmed to oper- ate in a Normally “OFF”...
  • Page 19 part Iv - System programming (cont.) h. MANUAL/AUTO RESET k. TRIp REGISTER MANUAL RESET The “Trip Register” is used with the Detector’s timed In the manual reset mode, once the unit has tripped, output. The Trip Register accurately tracks, up to the Detector’s Direct Output provides a continuous 128 metal particles concurrently.
  • Page 20 part Iv - System programming (cont.) TABLE 6. PROGRAMMING CONTROLS SUMMARY...
  • Page 21 part Iv - System programming (cont.)

  • Page 22: Part V - Troubleshooting

    part v - Troubleshooting A. STATUS INDICATORS C. ELECTRONIC MODULE In order to facilitate troubleshooting of the Detector, TROUBLEShOOTING a number of self-test circuits have been designed In the event that the unit does not operate and the to monitor the condition of the detection circuitry. trouble has been traced to the Electronic Module, The results of these test circuits are visible to the further troubleshooting of the Module is possible...
  • Page 23 part v - Troubleshooting (cont.) TABLE 7. ELECTRONICS MODULE STATUS INDICATOR SUMMARY...
  • Page 24 part v - Troubleshooting (cont.) FIGURE 5. PROGRAMMING CONTROLS AND TEST POINT LOCATIONS...
  • Page 25 part v - Troubleshooting (cont.) TROUBLESHOOTING FLOW DIAGRAM #1 - INSUFFICIENT METAL SENSITIVITY...
  • Page 26 part v - Troubleshooting (cont.) TROUBLESHOOTING FLOW DIAGRAM #2 - FALSE TRIPPING...

  • Page 27: Part Vi - Maintenance

    part vI - Maintenance (1) 10 Amp Fuse (2) Spare Bulbs (1) 1/16" Allen Key Wrench (1) 5/64" Allen Key...
  • Page 28 Eriez and Eriez Magnetics are registered trademarks of Eriez Manufacturing Co, Erie, PA ©2016 Eriez Magnetics All Rights Reserved World Authority in Separation Technologies Headquarters: 2200 Asbury Road, Erie, PA 16506-1402 U.S.A. Telephone: 814-835-6000 • 800-345-4946 • Fax: 814-838-4960 • International Fax: 814-833-3348 Web Site: http://www.eriez.com e-mail: eriez@eriez.com...