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Related Manuals for Eriez METALARM 3500 series
Summary of Contents for Eriez METALARM 3500 series
- Page 1 MM-246A Installation, Operation and Maintenance Instructions METALARM ™ SERIES 3500 METAL DETECTORS ERIEZ MAGNETICS HEADQUARTERS: 2200 ASBURY ROAD, ERIE, PA 16506–1402 U.S.A. WORLD AUTHORITY IN SEPARATION TECHNOLOGIES Metalarm Series 3500 Metal Detectors ™...
- Page 2 Careful attention to the following requirements will assure the most efficient and dependable performance of this equipment. If there are any questions or comments about the manual, please call Eriez at 814/835-6000 for metal detection assistance. CAUTION Metal Detectors emit electromagnetic fields. Contact the American Conference of Governmental Industrial Hygienists, Cincinnati, Ohio, U.S.A.
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Page 3: Table Of Contents
Table of Contents METALARM 3500 AND 3500CE METAL DETECTOR SYSTEM ™ DESCRIPTION ............5 OPERATING INSTRUCTIONS ......18 INSTALLATION ............6 Indicator Lights ..........19 Control Unit Mounting.........6 Sensitivity Adjustment ........19 Search coil Mounting ..........6 Signal Level Indicator ........19 Flat Coil (Model TR) ...........6 REPAIRS AND ADJUSTMENTS ..... - Page 4 These methods are revised and 3 cables. and updated from time to time as Eriez perceives When Eriez Metal Detectors are being installed in necessary. This information covers distances from...
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Page 5: Description
Description The Metalarm 3500 and 3500-CE Metal Detector ™ consists of a control unit, one or more sensor coils dependent upon the application, and optional accessories such as the sack dropper. FIGURE 1 Control unit dimensions Metalarm Series 3500 Metal Detectors ™... -
Page 6: Installation
Installation • Metal, when detected, can easily be removed from the conveyor belt. CONTROL UNIT MOUNTING • There is no moving metal in the vicinity. The Metalarm 3500 control unit is supplied with four • Any metal base plate present can be removed or mounting brackets for wall mounting. -
Page 7: Tr10 Tpe Search Coil
The search coil coax cable must not cross directly • Metal when detected can easily be removed from under the search coil, as this may cause false tripping the conveyor belt. to occur. The cable should be replaced should any •... -
Page 8: Idler Conveyors
Installation BRIDGE TYPE (MODEL BR) SEARCH COIL ‑ (cont.) IDLER CONVEYORS Locate a suitable position in the conveyor mid way Brackets (not supplied) to hold the search coil to the between two idler sets where: conveyor frame should be fitted to the coil on the side •... - Page 9 User supplied stainless steel “L” brackets are In the case of series connection, connect the lower suggested for securing the search coil assembly to coil using the short length of cable provided to the the conveyor. Brackets should be fitted to the coil. The unmarked socket on the top coil.
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Page 10: Vibratory Trough Coil (Model Vc)
Installation Locate the search coil into the cut out and clamp it in (cont.) position. Using the holes in the conveyor as a guide, drill through side and base of the search coil. MODEL VC “U” SECTION BELT CONVEYORS OR VIBRATOR CONVEYORS ‑... -
Page 11: Plate Coil (Model Pl)
MODEL PL PLATE COIL INSTALLATION RECOMMENDATIONS FOR CONNECTING RFI FILTERS TO HIGH FREQUENCY Plate coils can either be mounted under a previously INVERTER DRIVES prepared metal free section such as wood or fiberglass or if the plate coil is a SF or SFC type item directly Because of the complex circuit design used in these mounted onto the base of a metal-sided conveyor. -
Page 12: Bag Dropper
Installation All grounding leads, in cluding the filter ground, inverter (cont.) ground and shielded cable grounds, should be as short as pos sible and securely fastened to the bonded SUPPLY CABLE backboard ground post. Poor connections and loops The supply cable should be a stranded conductor of cable will act as aerials and pick up stray and not a solid conductor type to achieve proper radiated emissions. - Page 13 INSTALLATION Also a jumper on the QM2 is required from TB2-12 to A frame should be constructed over the top of the TB3-1. Refer also to the drawing on the follow ing page. conveyor to mount the bag dropper control unit. If the frame is constructed of metal, it must not be in the ADJUSTMENT search field of the sensor coil, so a distance of at least...
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Page 14: Electrical Connections
Control Unit. The control unit must be replacement of a relatively expensive part. electrically isolated. For any further information, please do not hesitate to contact ERIEZ customer service. POWER SUPPLY The mains connection is made via the green terminal block (TB1) using ‘E’ for earth/ground connection, either of the ‘L’... -
Page 15: Control Relay Contacts
FUSE The Voltage Selector Switch should be set to 240V AC or 120V ac as required. This is located just above Note there is only one fuse on this Control Unit. It is located on the front panel and is rated at 0.5A. the green terminal block (TB1). - Page 16 Electrical There will then be one main cable,which connects the search coil to the control unit. The cable is connected Connections (cont.) to TB 4 terminal 3 (for the ground/shield) and terminal 4 (for the center conductor). BRIDGE (APERTURE) TYPE SEARCH COIL IN SERIES CONFIGURATION (SEE FIGURE 13) A Bridge type search coil will be supplied in a series configuration for optimum sensitivity.
- Page 17 BRIDGE (APERTURE) TYPE SEARCH COIL When in the TX/RX configuration, both the top and IN TRANSMIT/RECEIVE CONFIGURATION bottom search coils are independently connected to (SEE FIGURE 14) the control unit. The lower coil, which is the transmitter, NOTE: When operating in a transmit/receive will be connected to TB4 terminal 3 (for the ground/ configuration, Switch 4 should be moved to position 2.
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Page 18: Operating Instructions
Operating After these adjustments, the ‘Detect’ light and the ‘Reset’ light on the detector door may be illuminated. Instructions Pressing the ‘Reset’ lamp button will extinguish both lights. Switch on the line power and the ‘ON’ lamp on the The relay function is controlled by the ‘Relay’ control case door illuminates. -
Page 19: Indicator Lights
INDICATOR LIGHTS Metallic framework encircling the search coil can act SET ZERO as a “shorted turn”. It may be necessary to insert When the Metalarm is operating and correctly set, insulating sections to prevent comparatively small the green light of these three lights is the only one masses of metal generating very large illuminated. -
Page 20: Repairs And Adjustments
If the Metalarm is suffering from ‘false alarms’ fairly Note: Consult Eriez metal detector technical help regularly, this indicator should be examined. It may before adjusting any of the following settings. Before show more than the first one or two indicators... -
Page 21: Wiring To The Conveyor Motor Starter
SW6 ‑ When switched ‘on’ (to the ‘up’ position), this The actual threshold voltage level can be measured switch reduces the integrator speed. This facility between TP-16 and TP-0 (GND) using a voltmeter is used where belt speeds are slow, such as in the set to a DC voltage scale. -
Page 22: Auxiliary Relay
Repairs & This interference will propagate through the air and may also travel along the conductors in close Adjustments proximity to the noise sources. When this occurs, (cont.) interference will be fed into the Metalarm Control Unit along the interconnecting wires, and will cause AUXILIARY RELAY false triggering. -
Page 23: Auxiliary Relay Wiring
AUXILIARY RELAY WIRING Observe whether interference occurs when operated by certain personnel or only after physical change of Figure 18 shows an auxiliary 230V AC relay connected the environment. to C of (TB1) and drawing its power from the same power supply as the Metalarm’s power supply. -
Page 24: Intermittent Loops Of Metal Surrounding The Sensor
INTERMITTENT LOOPS OF METAL If the cable is in good condition search for a ‘shorted SURROUNDING THE SENSOR (SHORTED TURNS) turn’ as described in the following paragraph. If the A source of interference, which is difficult to recognize level indicator is not stable at this time, the problem is is that of the shorted turn. -
Page 25: Proximity Of Severe Rf Radiation Sources
CORRECTIVE MEASURES ELECTRONIC CIRCUIT BOARD REPLACEMENT • Use another power line, (without the varying Normally, access to the electronics is not required but inductive loads) for the metal detector. if the circuit board requires replacement, the following procedures must be used. •... -
Page 26: Parts List
Parts List ITEM NUMBER DESCRIPTION PART NUMBER QUANTITY Case fully fitted 816510 Case Himel Box CRN43/150 816511 Momentary Illuminated Switch Assembly 816512 Indicator Assembly 816513 Front Door Wiring Loom 816514 Insulated Mounting Kit 816515 Cable Gland PG 1 Brass 816516 As Req’d LED’s MBC Red 816517... - Page 27 ITEM NUMBER DESCRIPTION PART NUMBER QUANTITY Case fully fitted 816510 Electronic Unit Complete 816531 A PTL 153 Issue 2 Printed Circuit Board 816204 B PTL 147A printed Circuit Board 816203 Front Panel MA3500 CE 816521 Push Latch Arrow 2001 816522 Bargraph Module with Plug 816523 Control Knob...
- Page 28 Eriez and Eriez Magnetics are registered trademarks of Eriez Manufacturing Co, Erie, PA ©2014 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...
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