Advanced Detection Systems ProScan Max II Manuel utilisateur

ProScan Max II™

Digital Metal

Detector

INSTALLATION GUIDE

AND

OWNER’S MANUAL

Advanced Detection Systems

4740 W. Electric Avenue Milwaukee, WI 53219

414/672-0553 Phone 414/672-5354 Fax www.adsdetection.com

P/N 807732

Rev .4, 6/2016

Table of Contents

General Information

Description ........................................................................................2

Specifications ....................................................................................2

Installation

Mechanical Installation .....................................................................3

Metal-Free Area Requirements .........................................................3

Drawing of Metal Free Zone..............................................................3

Electrical Installation ........................................................................4

Terminal Connections .................................................................5

Explanation of terminal connections ...........................................6

Outputs for Reject and Signal Devices .......................................7

Wiring for Conveyor Stops on Detection of Metal......................8

Wiring for a Reject Device, Light or Alarm ...............................9

Front Panel Indicators .................................................................10

Navigating the Menu .................................................................10

Security (Password) ..........................................................................11

Product Set-Up Procedures ....................................................12

Setting the Detector to Compensate for Product Effect ....................12

Metal Detector Auto-Learn Procedure...............................................12

Product Selection ..............................................................................12

Tips for Successful Auto-Learn.........................................................16

Additional Items for Product Set-Up...................................17

Naming the Product ..........................................................................17

Product Settings.................................................................................18

Phase Setting……..............................................................................18

Sensitivity 1 & Sensitivity 2 ..............................................................18

Offset A..............................................................................................19

Offset B..............................................................................................19

Offset C..............................................................................................19

Product Monitor.................................................................................19

Product tracking.................................................................................20

Reject and Signal Devices Timing and Options ...............................21

Setting the Timing of the Reject Device ...........................................22

Tips for Setting the Timing ...............................................................23

Additional Features ...................................................................24

Date/Time Set-up ..............................................................................24

Print/Report Functions ......................................................................24

Contrast Adjust ..................................................................................24

Detect Counter ..................................................................................24

Maintenance Menu.............................................................................24

Performance Validation .....................................................................25

Troubleshooting ..........................................................................28

Intermittent False Trips .....................................................................29

Constant False Trips .........................................................................29

Conveyor Will Not Start ...................................................................29

Adjusting Sweep Arm Reject Devices……………….………….…..30

Transporting the unit…………………………………….…………..31

GENERAL INFORMATION

DESCRIPTION

The Advanced Detection Systems ProScan Max II™is a general purpose, digital metal detector suitable for the

detection of ferrous and nonferrous metals in all types of food products, chemicals, plastics, or other products

where metal can have an unwanted consequence. In addition to providing excellent product quality control, it

provides protection for machinery by letting you know there is metal in your product before it causes costly

damage.

The metal detector search head is manufactured to suit specific product requirements, thereby ensuring

maximum sensitivity. It is essentially a single oscillator-driven loop with twin receiving coils. All three coils are

mounted in a welded stainless steel enclosure and completely filled with epoxy for protection against water and

vibration.

When correctly balanced, the signals in the two receiving coils cancel (i.e. they are equal in magnitude and

opposite in sign). As metal passes between the oscillator and a receiving coil, the current induced in that coil

changes. This causes an imbalance, which is amplified and detected in the electronic control unit.

The ProScan Max II™ metal detector uses surface mount technology and integrated circuits. Automatic

balance compensation eliminates the need for manual balancing. Internal computer timing controls reject and

alarm devices, and can also be used to stop the conveyor motor upon detection of metal.

The ProScan Max II™ metal detector is a digital detector with a digital interface. All controls and adjustments

are made with a touchscreen that also contains pushbutton shortcut keys. Product settings can be stored for

quick line changeovers. Other features include multi-password protection and detect counter.

SPECIFICATIONS

AC Supply –115 volts, 60 Hz, less than 50 VA

Stability - Suitable stability is maintained under the following conditions:

32-115oF (0-45oC)

0-90% humidity

+ 10% voltage variation

Sensitivity - Sensitivity varies with detector type, size, and product being inspected.

As a result, it is quoted separately for each application.

INSTALLATION

MECHANICAL INSTALLATION

The detector must be bolted securely in position, but do not twist or strain it in any way.

Nothing should rest on the search head or touch the sides of it.

If a conveyor is used, all feet must be firmly on the floor. The conveyor must not rock or move. Twisting of

the conveyor when product enters the search head may cause false triggers. An unbalanced conveyor motor

could also be a source for unwanted vibration.

All cover screws, bolts, etc., in the vicinity of the detector must be tight for correct operation. Two pieces of

metal making intermittent contact may cause false triggers.

Do not modify the metal detector or its wiring in any way.

Do not attach rollers, guide plates, markers, or electronic sensing devices to any part of the search head.

Product pipes with emulsions or gravity system product chutes should pass through the center of the detector

opening, without touching the walls of the aperture.

The product being inspected should pass through the center of the metal detector opening. The product must

not make contact with any part of the search head. Non-metallic guides should be used if necessary.

WARNING: Do Not Weld anywhere on the unit with the metal detector head attached.

Welding on the unit WILL DESTROY the electronics of the detector and void any and all

warranties.

METAL FREE ZONE

The electro-magnetic field is created inside the

detector’s enclosure; however, some field emanates out

of the aperture on both sides and forms the metal free

zone (“MFZ”). Generally, the practical size of the

leakage is 1½ times the (smaller) aperture dimension,

and no metal should be allowed in this area. Large

moving metal should be kept 2 times away. Special

detectors are available for applications which demand a

substantially reduced MFZ.

ELECTRICAL INSTALLATION

WARNING. Whenever wiring is to be done to the terminal strip of the detector, make sure ALL sources of

power have been disconnected. Terminals controlling other devices may be powered from sources other than

those supplying the metal detector. Caution should be used when working on machinery as components may

stop and start automatically without warning.

The metal detector operates from a single phase, 60Hz supply, 115VAC +10%.

Use a power feed that is free of motor start-up transients or other interference. A dedicated circuit is

recommended but not required as long as the power feed is “clean."

If the metal detector is supplied with a conveyor, they should have separate power cords, even if the detector

and conveyor require the same voltage. Start-up transients from the conveyor motor could cause interference or

even damage the metal detector.

All power supply grounds for the detector, conveyor, and reject devices must originate from a single point. All

metal detectors require a good power ground. A good ground helps drain off “noise” that can be on the AC

power. Many plants use “conduit” grounding. This is not acceptable because of the possibility of loose

connections that can become open connections and cause the ground to “float”. The power feed to the metal

detector must have a dedicated third wire ground. Multiple grounds should be avoided.

Electrical connections to the metal detector are made via a terminal strip housed inside of the separate “power

box”. A terminal connections chart is located on page 5 and on the inside of the power box cover.

Main power is applied to the metal detector via Terminals L IN, N IN, and G IN. The remaining terminals are

used to wire conveyor stops, reject devices, and alarm systems.

A SPECIAL NOTE ABOUT VARIABLE FREQUENCY DRIVES (VFD) OR INVERTERS:

Variable frequency drives (VFD) are a major source of radio frequency (RF) interference. It can be radiated

through the air, through the power feed, and also through the ground connection. The RF interference can

prevent the metal detector from operating at its maximum sensitivity. The makers of the drives also sell filters

that can help minimize the RF interference. They should be purchased and installed according to the

manufacturer’s instructions.

In general, the following is recommended for VFD’s.

Always purchase and install the manufacturer’s filters.

Never run the VFD’s power lines and the metal detector power lines in the same conduit or cable trough.

Keep all VFD wiring as far away as possible from the metal detector.

Use shielded cables whenever possible and make sure the shield is grounded.

The VFD, motor, conveyor, etc. should have one grounding point.

OTHER POSSIBLES SOURCES OF METAL DETECTOR INTERFERENCE

A large part of any metal detector is its main receiving antenna. Any equipment that emits, or radiates, a signal

that can be picked up by the receiving antenna can cause a false trigger in the metal detector. Possible sources

are; other metal detectors operating at or near the same frequency, induction cap sealers, large motors, and any

ungrounded equipment.

TERMINAL CONNECTIONS

WARNING: Whenever wiring is to be done to the terminal strip of the detector, make sure ALL sources of

power have been disconnected. Terminals controlling other devices may be powered from sources other than

those supplying the metal detector. Caution should be used when working on machinery as components may

stop and start automatically without warning.

POWER INPUT / OUTPUT BOARD

RLY 5 +15 VDC IN

RLY 5 GND

RLY 4 RLY 1 COMM

RLY 4 RLY 1 NC

RLY 3 RLY 1 NO

RLY 3 RLY 2 COMM

COMMON RLY 2 NC

OPTO INPUT RLY 2 NO

PULSE INPUT +5 VDC OUT

RESET INPUT GND

L N G SW-L SW-N SW-L SW-N L N G

IN IN IN OUT OUT IN IN OUT OUT OUT

EXPLANATION OF TERMINAL CONNECTIONS

TERMINAL DESCRIPTION TERMINAL DESCRIPTION

RLY 5 Solid state relay output #5 AC +15 VDC IN Input power for the circuit board

RLY 5 Solid state relay output #5 AC GND Input ground for the circuit board

RLY 4 Solid state relay output #4 AC RLY1 COMM Common toggle for output relay #1

RLY 4 Solid state relay output #4 AC RLY1 NC Normally closed contact for relay #1

RLY 3 Solid state relay output #3 AC RLY1 NO Normally open contact for relay #1

RLY 3 Solid state relay output #3 AC RLY2 COMM Common toggle for output relay #2

INPUT COMM Common input for OPTO, RLY2 NC Normally closed contact for relay #2

PULSE, and RESET inputs

OPTO INPUT Input for photo eye RLY2 NO Normally open contact for relay #2

PULSE INPUT Input for external timing pulses +5 VDC OUT Locally available 5 v source

RESET INPUT Input for external reset button GND Ground for local 5 v source

TERMINAL DESCRIPTION

L IN Power input, hot lead

N IN Power input, neutral lead

G IN Power input, ground lead

SW-L OUT Power output to On/Off switch, hot lead

SW-N OUT Power output to On/Off switch, neutral lead

SW-L IN Switched power from On/Off switch, hot lead

SW-N IN Switched power from On/Off switch, neutral lead

L OUT Power output, hot lead (Used for powering reject devices, etc.)

N OUT Power output, neutral lead (Used for powering reject devices, etc.)

G OUT Power output, ground lead (Used for powering reject devices, etc.)

Outputs For Reject and Signal Devices

The detector has internal timing circuitry for the control of a variety of reject and alarm devices. Instructions for

setting the reject delay and operate timing are given later in this manual.

The solid state relay outputs 3, 4, and 5 are configurable as normally open or normally closed and can be

changed by pressing Menu / Level 3 / Reject Options / Relay Config (See reject menu section for more details).

Theses are solid state relays and are designed to control AC voltages only.

In the case of the mechanical relay outputs 1 and 2, all three outputs (COMM, NO, and NC) are provided and

can be wired as normally open or normally closed. The voltage can be AC or DC.

All outputs are unpowered, or dead, contacts. In order to use them to control reject or alarm devices, a power

source must be supplied. The customer may supply the source or use the switched 115 VAC source available at

Terminal L OUT.

Wiring for Conveyor Stop on Detection of Metal

Wire the conveyor motor control relay in series with any relay output that has been configured as normally

closed. When metal is detected, the output relay contacts will open and cause the control relay in the motor

starter to de-energize and stop the conveyor. This occurs after the delay time has elapsed.

Use the delay time if you want the contaminated product to stop at a particular spot on the conveyor. If you

want the conveyor to stop immediately, set the delay time to zero. The conveyor may be restarted by pressing

the start button on the conveyor motor starter. The conveyor will not start until the operate time has elapsed.

WARNING: Do not wire full motor voltage through the metal detector contacts. They should be used for

control voltage only.

Refer to wiring diagrams (Figures 2 through 5) at the end of this manual for specific voltages.

Wiring for a Reject Device, Light, or Alarm

Verify that the device is rated for the correct voltage. Devices that activate when power is applied should use

the normally open configuration. Devices that activate by an interruption of power should use the normally

closed configuration.

Standard method: All relay outputs can also be used to control reject devices, lights, and alarms. However,

these outputs are unpowered, or dead, contacts. A power source must be supplied by an external means or it

may be supplied by the metal detector via terminal L OUT.

Connect the power source to one side of the relay output. The device is then connected to the other side of the

relay output. The remaining side of the device is connected to Terminal N OUT to complete the circuit. Set

delay and operate times as required. Instructions for setting the timing are included elsewhere in this manual.

Refer to wiring diagrams (Figures 6 and 7) at the end of this manual for specific voltages.

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