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Metalarm

™

Series 3500 Metal Detectors

Table of Contents

METALARM

™

3500 AND 3500CE METAL DETECTOR SYSTEM

DESCRIPTION ........................................................5

INSTALLATION .......................................................6

Control Unit Mounting.........................................6

Search coil Mounting ..........................................6

Flat Coil (Model TR) ...........................................6
Idler Conveyors (Models TR & BR)

TR10 Tpe Search Coil .......................................7
Idler Conveyors

Bridge Coil (Model BR).......................................8
Vibrator or Belt Conveyors (Model VC)

Vibratory Trough Coil (Model VC) ....................10

Plate Coil (Model PL) .......................................11

Installation Recommendations .........................11
for Connecting RFI Filters to
High Frequency Inverters

Bag Dropper .....................................................12

ELECTRICAL CONNECTIONS .............................14

Power Supply ..................................................14

Control Relay Contacts ...................................15

Fuse .................................................................15

Sensor Coil Connections .................................15

OPERATING INSTRUCTIONS ............................. 18

Indicator Lights ............................................... 19

Sensitivity Adjustment .................................... 19

Signal Level Indicator ..................................... 19

REPAIRS AND ADJUSTMENTS ..................... 20

Electronic Board Mounted Switches................ 20

Wiring to the Conveyor Motor Starter .............. 21

Auxiliary Relay ............................................... 22

Auxiliary Relay Wiring ..................................... 23

TROUBLESHOOTING ......................................... 23

Suggestions for Troubleshooting
Environmental Interference ............................. 23

Movement of Metal ......................................... 23

Intermittent Loops of metal

surrounding the Sensor ................................... 24

Excessive line voltage fluctuations ................. 24

Proximity of severe
RF radiation sources ....................................... 25

PARTS LIST ......................................................... 26

Содержание METALARM 3500 series

Страница 1: ...al Detectors Installation Operation and Maintenance Instructions ERIEZ MAGNETICS HEADQUARTERS 2200 ASBURY ROAD ERIE PA 16506 1402 U S A WORLD AUTHORITY IN SEPARATION TECHNOLOGIES MM 246A METALARM SERI...

Страница 2: ...labels must be affixed to this product Should the safety label s be damaged dislodged or removed contact Eriez for replacement CAUTION Metal Detectors emit electromagnetic fields Contact the American...

Страница 3: ...o High Frequency Inverters Bag Dropper 12 ELECTRICAL CONNECTIONS 14 Power Supply 14 Control Relay Contacts 15 Fuse 15 Sensor Coil Connections 15 OPERATING INSTRUCTIONS 18 Indicator Lights 19 Sensitivi...

Страница 4: ...3 cables are routed separately from 1 and 2 Category 3b are to be spaced 2 5 cm 1 from Category 1 for each meter of run Category 3a cables are to be spaced 25 cm 10 from category 1 for each meter of r...

Страница 5: ...ctors 5 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 Description FI...

Страница 6: ...llation Metal when detected can easily be removed from the conveyor belt There is no moving metal in the vicinity Any metal base plate present can be removed or replaced by non metallic material Any m...

Страница 7: ...he conveyor mid way between two idler sets where There will not be a return idler or cross piece beneath the search coil There is not a joint in the conveyor frame Metal when detected can easily be re...

Страница 8: ...notches in the bottom of the search coil at all four corners so as to lower the search coil within the conveyor frame FIGURE 3 Brackets not supplied to hold the search coil to the conveyor frame shoul...

Страница 9: ...Electrical loops can be created from the metal detectors field in relation to the surrounding metal The idlers either side of the search coil should be checked to see that all nuts and bolts are tight...

Страница 10: ...oles at 4 100mm spacing or longer depending upon the weight and width of the search coil Countersink the holes from the inside of the conveyor Locate the search coil into the cut out and clamp it in p...

Страница 11: ...il should be mounted such that the conveyor belt passes above the plain surface of the coil with the resin side facing down INSTALLATION RECOMMENDATIONS FOR CONNECTING RFI FILTERSTO HIGH FREQUENCY INV...

Страница 12: ...gh frequency earth currents flow and thereby minimize their harmful effect on other nearby sensitive devices All grounding leads in cluding the filter ground inverter ground and shielded cable grounds...

Страница 13: ...on TB3 Also a jumper on the QM2 is required from TB2 12 to TB3 1 Refer also to the drawing on the follow ing page ADJUSTMENT Switch the power on to both the bag dropper and the Metal Detector It shoul...

Страница 14: ...cont Electrical Connections The standard electrical connections are for power supply connections and for sensor coil connections Other cables may be added as necessary for control and monitoring funct...

Страница 15: ...lication or for a maximum of 250V AC application Terminals 11 and 12 are used for a fault indication FUSE Note there is only one fuse on this Control Unit It is located on the front panel and is rated...

Страница 16: ...configuration for optimum sensitivity The top and bottom search coils will be connected together by means of a 20 5 meter or 40 1 meter interconnecting cable FIGURE 13 There will then be one main cabl...

Страница 17: ...a conductive material is being conveyed or when a certain size piece of metal is to be detected and all smaller pieces being ignored When in the TX RX configuration both the top and bottom search coi...

Страница 18: ...ensor coil away from all surrounding metal and repeating the test After these adjustments the Detect light and the Reset light on the detector door may be illuminated Pressing the Reset lamp button wi...

Страница 19: ...ome false alarms may nevertheless occur occasionally Such triggering is usually due to transient effects which are both infrequent and unpredictable Metallic framework encircling the search coil can a...

Страница 20: ...ional optional features refer to Figure 16 Repairs Adjustments Note Consult Eriez metal detector technical help before adjusting any of the following settings Before changing any of the following adju...

Страница 21: ...gested to perform adjustment of this control using a half turn per each sensitivity test until the desired level is achieved The actual threshold voltage level can be measured between TP 16 and TP 0 G...

Страница 22: ...ay be necessary when the plant switch gear is generating electrical interference or brushes are arcing or when other electrical noise is being created This interference will propagate through the air...

Страница 23: ...ting symptoms is very helpful in isolating the causes of the problems Correlating malfunctioning occurrences is invaluable for environmental interference trouble shooting Observe whether interference...

Страница 24: ...being picked up by the sensor However the problem may also be a break on the sensor cable Check for breaks at this time and replace the cable if necessary If the cable is in good condition search for...

Страница 25: ...Operate welding equipment only at times when metal detector is not required to operate Call the factory service department if unable to arrive at a satisfactory solution ELECTRONIC CIRCUIT BOARD REPL...

Страница 26: ...7 Cable Gland PG 1 Brass 816516 As Req d 8 LED s MBC Red 816517 1 9 LED s MBC Yellow 816518 1 10 Front Label MA3500 CE 816519 1 11 Door Key 816520 1 12 Lamp 12V MBC 818594 2 SEARCH COIL CABLES DESCRI...

Страница 27: ...521 1 23 Push Latch Arrow 2001 816522 3 24 Bargraph Module with Plug 816523 1 25 Control Knob 816524 3 26 Plain Cap for Control Knob 816525 1 27 Pointer Cap for Control Knob 816526 2 28 Relay 4p C O 8...

Страница 28: ...0 345 4946 Fax 814 838 4960 International Fax 814 833 3348 Web Site http www eriez com e mail eriez eriez com Manufacturing Facilities AUSTRALIA BRAZIL CANADA CHINA INDIA JAPAN MEXICO SOUTH AFRICA UNI...

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