Eriez 1230 Manual
Installation, Operation
and Maintenance
Instructions
ERIEZ MAGNETICS HEADQUARTERS: 2200 ASBURY ROAD, ERIE, PA 16506–1402 U.S.A.
WORLD AUTHORITY IN SEPARATION TECHNOLOGIES
Metal
Detector
MoDel 1230
Digital
MMDG-1230-DIGITAL
2
CAUTION
Introduction
This manual details the proper steps for installing,
operating and maintaining the Eriez Metal Detector Model 1230.
Careful attention to these requirements will assure the most
efcient and dependable performance of this equipment.
If there are any questions or comments about the manual, please
call Eriez at 814-835-6000 for Model 1230 Metal Detector assistance.
©2016 ERIEZ MAGNETICS ALL RIGHTS RESERVED
ERIEZ Metal Detector Model 1230
3
Table of Contents
ERIEZ METAL DETECTOR MODEL 1230
SAFETY WARNINGS......................................................................................................... 5
General ........................................................................................................................ 5
Installation.................................................................................................................... 5
Connections ................................................................................................................. 5
Long Term Storage....................................................................................................... 5
GENERAL INFORMATION................................................................................................. 5
Standard Warranty ....................................................................................................... 5
Installation Assistance.................................................................................................. 5
Technical/Application Assistance ................................................................................. 5
DESCRIPTION................................................................................................................... 6
General ........................................................................................................................ 6
Method of Operation .................................................................................................... 6
Safety ........................................................................................................................ 6
Electronic Enclosure .................................................................................................... 7
Dimensions............................................................................................................ 7
Technical Data ....................................................................................................... 8
Electronic Control .................................................................................................. 8
Electronics Board .................................................................................................. 9
Signal Analyzer Board ......................................................................................... 11
Search Coil Assembly ................................................................................................ 12
Clip Detector .............................................................................................................. 13
Dual Clip Detector...................................................................................................... 13
Spray Marking Device................................................................................................ 14
Flag Drop Marker ....................................................................................................... 14
Idler Isolation Kit ........................................................................................................ 15
INSTALLATION ................................................................................................................ 16
Recommended Tools ................................................................................................. 16
Unpacking .................................................................................................................. 16
Site Selection & Preparation ...................................................................................... 16
Idler Roller Isolation ................................................................................................... 16
Mounting - Search Coil Assembly .............................................................................. 18
Mounting - Main Control Enclosure............................................................................ 20
Swing-Away Switch.................................................................................................... 20
Clip Detector .............................................................................................................. 21
Dual Clip Detector...................................................................................................... 22
Spray Marking Device................................................................................................ 22
Flag Drop Marker ....................................................................................................... 24
START-UP & CALIBRATION ............................................................................................ 26
Start-Up...................................................................................................................... 26
Operation ................................................................................................................... 26
Display Screens ......................................................................................................... 26
Metal Sensitivity Calibration....................................................................................... 27
Clip Detector Calibration ............................................................................................ 28
Dual Clip Operation.................................................................................................... 28
Direct and Timed Out Setup....................................................................................... 29
Marking Device Calibration ........................................................................................ 29
4
Menu Tree (Operator Level 1).................................................................................... 30
Menu Tree (Operator Level 2).................................................................................... 34
Menu Tree (Operator Level 3).................................................................................... 37
ERRORS AND FAULT RECTIFICATION.......................................................................... 44
Error Messages.......................................................................................................... 44
Undened Activation of Switching Outputs ................................................................ 46
APPENDIX A: CONTROL CONNECTION DIAGRAMS 47
APPENDIX A: WIRING DIAGRAM................................................................................... 48
INPUT POWER TO THE DETECTOR ............................................................................. 51
WIRING INCOMING POWER .......................................................................................... 51
RECEIVER PREPARATIONS .......................................................................................... 53
Receiver Cable .......................................................................................................... 53
TRANSMITTER PREPARATIONS ................................................................................... 55
Transmitter Cable....................................................................................................... 55
METAL DETECTED - DIRECT OUTPUT CONNECTION ................................................ 56
METAL DETECTED - TIMED OUTPUT CONNECTION .................................................. 57
FAULT OUTPUT............................................................................................................... 58
SINGLE CLIP DETECTOR CONNECTION ..................................................................... 59
DUAL CLIP DETECTOR CONNECTION ......................................................................... 60
24VDC SPRAY MARKER................................................................................................. 61
FLAG DROP MARKER .................................................................................................... 62
24VDC PANEL MOUNT ALARM HORN AND/OR LIGHT ................................................ 63
115 OR 220VAC POLE MOUNT ALARM HORN AND/OR LIGHT ................................... 65
VOLTAGE REGULATOR .................................................................................................. 66
SWING AWAY SWITCH CONNECTION .......................................................................... 67
REMOTE RESET CONNECTION .................................................................................... 68
SYNCHRONIZING 2 DETECTORS ................................................................................. 69
APPENDIX B: SERVICE, PARTS, REPAIRS 70
REPLACING ELECTRONIC BOARDS ............................................................................ 71
Replacing the Data Memory ...................................................................................... 72
REPLACING THE MAIN ELECTRONICS MODULE........................................................ 73
REPLACING THE DISPLAY BOARD............................................................................... 73
SPARE PARTS, SERVICING ........................................................................................... 74
Spare Parts Drawing.................................................................................................. 74
Spare Parts List ......................................................................................................... 74
FRAME ASSEMBLY ......................................................................................................... 75
Table of Contents (continued)
ERIEZ METAL DETECTOR MODEL 1230
ERIEZ Metal Detector Model 1230
5
THIS DETECTOR SHOULD BE INSTALLED BY
QUALIFIED ELECTRICAL AND MECHANICAL
General
• All standard safety procedures should be observed
when working on electrically powered equipment.
• Proper care should be taken when connecting or
disconnecting the power source.
• When connected to a power source, un-insulated,
dangerous voltage is present within the Detector’s
electronics enclosure which may constitute a risk of
electric shock.
• Do not allow moisture to collect in the electronics
enclosure or near the power connections. Always
close the enclosure and secure the locking
mechanism after working with the electronics.
• The user should not attempt to service the Detector.
All servicing should be referred to certied service
personnel qualied to work on electrical equipment.
Eriez accepts no responsibility for damage due to use or
misuse of this equipment.
Installation
• Do not install this Detector near heat sources such
as radiators or air ducts.
• Do not install this Detector near sources of
electromagnetic interference
• Place the Detector in a location with adequate air
circulation to prevent internal heat buildup.
Connections
For long term storage, the metal detector should be left
sealed inside the shipping container and stored in a dry
location in temperatures between -10°C and +50°C
(14° F - 122° F).
General Information
Eriez detectors are custom fabricated to suit each
user’s particular application. Each detector system is
subjected to extensive testing both at the sub-assembly
level and after nal assembly to ensure compliance with
performance and electrical safety standards.
Standard Warranty
Eriez new metal detectors are warranted against
defects in workmanship and materials for three years.
This warranty does not cover failures due to misuse,
neglect, abuse, improper handling, alteration, improper
maintenance or accident, and Eriez shall not be liable for
any direct, indirect, consequential or incidental damages
from use, results of use or inability to use this product.
Repairs by any other than Eriez authorized service
personnel will void this warranty.
Within the warranty period, the product will be repaired or
replaced at Eriez’ option, free of charge; shipping costs
will be paid by Eriez. Except as mentioned above, no
other warranty, expressed or implied, applies. If Modules
are not covered by warranty as mentioned above, Dealer/
User will be billed for the repair and shipping. Non
warranty repairs, Dealer/User must issue a PO #
or Credit Card # prior to any repair.
Installation Assistance
Eriez detectors have been designed for installation by
qualied personnel with detailed instructions provided with
each shipment. When required, a Eriez Field Engineer will
supervise or check the installation, activate the system
and provide training on periodic adjustments and care
of the Detector for user maintenance personnel. Please
contact Eriez for Field Service rates.
Assistance
Eriez welcomes your inquiries concerning metal
detectors and their application, installation and servicing.
If technical or application assistance is needed, contact:
2200 Asbury Road, Erie, PA 16506-1402 USA
Phone: 814-835-6000 • 800-345-4946
Email: [email protected]
Website: www.eriez.com
6
Description
General
The Model 1230 provides protection to downstream
processing equipment by detecting the presence of
potentially damaging metal objects. It is specically
designed for use on conveyor systems carrying materials
which contain consolidated or fractured magnetic or
nonmagnetic ore, as well as ores ranging in electrical
conductivity. The Detector will discriminate between
these conveyed materials and tramp metal of any type:
ferrous, nonferrous, magnetic or nonmagnetic.
The Detector makes use of the latest in digital electronic
technology. The design includes a number of innovative
features: self-test circuits that monitor the performance of
the detection circuitry, which when they fail, will trigger a
Fault Relay. Wide programming capability to custom tailor
the Detector to suit specic application requirements.
During normal operation, the transmitter coil is
energized to produce a pulsed electromagnetic signal.
These signals produce a eld that locally permeates
the conveyed material. This eld will induce a small
current in metal objects moving through the eld. The
induced current in the metal then induces a current in
the receiver antenna. This technique provides optimum
discrimination between tramp metal and the conveyed
material; product effect is non-existent or minimal.
The signal from the tramp metal is amplied and ltered.
The processed signal is then compared to a threshold
determined by the size of metal that must be detected.
When the signal exceeds this threshold, the Detector, at
the appropriate time, triggers the output relays.
The Detector is inuenced only by change. Therefore,
stationary structural members, metal belt cords,
symmetrical idlers and other objects which do not
represent a moving mass to the eld are not detected
though they can distort the eld and affect performance.
Metal belt repair clips are passed by the unit with an
optional clip detector sensor. Clip Mode temporarily
reduces the detectors sensitivity while the clip moves
through the antenna area.
Safety
As a manufacturer we believe it is our duty to make you
aware of the following information.
INTENDED USE
SAFETY SIGNS
WITH SAFETY NOTICES
SAFETY INFORMATION FOR OPERATORS
SAFETY INFORMATION FOR OPERATORS
AND MAINTENANCE
ERIEZ Metal Detector Model 1230
7
NOTES ON RESIDUAL RISkS
CONSEQUENCES OF UNAUTHORIZED
MODIFICATION
IMPROPER USE
Electronic Enclosure
Dimensions
The enclosure houses and protects the Electronic boards and components and serves as a junction box for conduit
and cables running to and from the Detector. As standard, the Detector is housed in a steel NEMA 4 rated enclosure.
Other enclosures are available as options: NEMA 4X (304 or 316SS available), NEMA 7/9.
FIGURE 1
8
Name Eriez 1230 Control Unit
Sheet steel, Powder Coated Gray
21 lbs (9.5 kg)
-40°F to 149°F (-40ºC to +65°C)
NEMA 4 standard
Other Ratings Optional
115 / 240VAC (±10%), 50/60 Hz, 5A
Current Consumption 300MA/115V, 150MA/230V Typ. With No Output Load
Fuse 1.6A L250VAC, type FSF, 5x20mm
2 Switching Inputs: Remote Reset and Swing Away Switch
2 Switching Inputs for Initiators: clip detectors
1 relay switching output for metal signal (Output: Timed Out)
1 relay switching output for fault/alarm signal (Output: Fault)
1 relay switching output for metal signal (Output: Direct Out)
Operation
Rotating on/off and ESC (escape) switch
Up and Down arrow buttons for menu navigation
Fault Light / Enter Button
Metal Light / Reset Switch
VF Display
Electronic Control
Visible and accessible on the front panel are: 1) Display; 2) On/Off/Escape Switch; 3) Fault Light/Enter Button;
4) Metal Detected Light / Reset Button; 5) Up and Down Arrows
Adjustments and control functions are performed using the front control panel using the display screen, Up and Down
arrows (5), Escape (2 – Turn clockwise), Enter (3 – Press), Reset (4 – Press). The detector is turned off by rotating
the on/off switch (2) counter clockwise.
FIGURE 2
ERIEZ Metal Detector Model 1230
9
Electronics Board
ST9
ST10
ST1 ST2 ST3 ST4 ST5
1 32 1 32 1 32 1 32 1 32
ST6 ST7
1 2 3 4 5 6 7 8 9 10
1 2 3 4 5 6 7 8 9 10 1 32
26
10
JPS00
JPS01
JPS02
JPS03
JPS04
JPS05
JPM7
L100
26
29
5
6
4
-15V
GND
-15V
-24V GND
JP1
S
T
1
1
S
T
8
19
20 7 22
6 21
24
26 25
14
11
16
15
16
17
16
6
1
-5V -24V -24V
12 29 50 5152 27
Main Board (Rev.C)
10
Connectors and
Terminals
ST1 “Mains” Mains Supply
ST2 “Direct Out” Potential free change over contact (SPST)
ST3 “Fault” Potential free change over contact (SPST)
ST4 “Timed Out” Potential free change over contact (SPST)
ST5 “Transmitter” Transmitter Coil
ST6 1-10: “Inputs” 11-20 “Input/Output”
ST7 “Receiver” Receiver Coil
ST8 Ribbon Cable Connector Connector for control panel
ST10 Connector Serial communication connection
ST11 Connector Connection for signal analyzer board
Elements Connected to
ST1 “Mains” connector
(1) Mains fuses
Elements Connected to
ST2 “Direct Out” connector
ST3 “Fault” connector
ST4 “Timed Out” connector
Memory Devices (2) Machine Data
Lamps LD1 Active light supply voltage +5V_D
LD2 Active light supply voltage +24V
LD3 Active light supply voltage -24V
LD4 Active light supply voltage +15V
LD5 Active light supply voltage -15V
Test points (3) Supply voltage +24V
(4) Supply voltage -24V
(5) Supply voltage +5V_D
(6) Supply voltage +15V
(7) Supply voltage -15V
(8) - (12) Common ground for earth (GND)
(13) Pulse to transmitter coil
(14) Signal from signal analyzer (or adapter board)
(15) Signal to controller
ERIEZ Metal Detector Model 1230
11
Test points and jumpers on the signal analyzer board
Test Points: (1) Supply voltage +5V
(2) Common ground for earth (DGND)
(3) Supply voltage +15V
(4) Common ground for earth (AGND)
(5) Supply voltage -15V
(6) DIS/ (not used)
(7) Metal-Signal-OUT from signal analyzer
(8) Zero pulse Z
(9) Enable pulse EN
(10) Sample Pulse S-
(11) Sample Pulse S+
(12) Analyzer identication (+5V)
Jumpers: JP1 Analyzer identication: Jumper must be closed
12
The Search Coil Assembly includes receiver
and transmitter antennas, mounting frame and
interconnecting cables. Each assembly is custom
designed to suit its particular application.
Please refer to the Frame Assembly Diagram.
Receiver Coil
The receiver coil is typically located under the conveyed
material within 2” of the loaded conveyor belt.
Transmitter Coil
The transmitter coil is located opposite and parallel to
the receiver coil. The distance between the transmitter
and receiver (aperture) is typically 4" greater than the
maximum burden depth of the processed material.
The mounting frame supports the antennas on trough
and slider bed conveyors. Special designs are available
to accommodate other types of material handling
systems. The swing-away assembly, shown below
protects the transmitter from oversized conveyed
materials. See the “Mounting - Search Coil Assembly”
section for assembly instructions
Shielded cables connect the receiver and transmitter to
the Main Control Enclosure. 25' of cable between the
frame assembly and control unit is supplied as standard.
Optimum performance is assured with cable lengths of 25'
or under. However, lengths of up to 100' are acceptable
where detector sensitivity requirements are lower.
FIGURE 3
Name
1Crossbar
2 Left upright up to 72" length
2 Left upright over 72" length
3 Right upright up to 72" length
3 Right upright over 72" length
4Mounting feet carbon steel
5 Receiver Bracket Left
5 Receiver Bracket Right
6 Transmitter Bracket Left
6 Transmitter Bracket Right
7Receiver Antenna (xx = coil length)
8Transmitter Antenna (xx = coil length 1380Hz)
9 Roughing Guard (optional)
10 Swing-Away Switch (optional)
ERIEZ Metal Detector Model 1230
13
The clip detector consists of a compact sensor head
and mounting bracket. The clip detector senses the
proximity of repair clips as they pass over the sensor’s
head. Once the clips are detected, the Metal Detector is
desensitized, but not disabled. Any large piece of metal
riding on the clips will still trigger the Detector. Size: 3.5"
x 3.5" x 2", Weight: 1.25 Lbs. Clip Detector assembly
comes with swivel mounting bracket and 25' of cable.
Other lengths available.
Dual Clip Detector
Dual clip detectors are used on slow moving conveyors
when the time it takes the clips to transition through the
antenna zone is greater than maximum clip time of the
controller, or variable speed conveyors where the time
for the clip to pass through the detector could change.
Two Clip Detectors are used, one is mounted upstream
of the rst upstream adjacent idler roller and the second
is mounted down stream of the rst downstream
adjacent idler roller. The clip detectors are labeled
“Upstream” and “Downstream” to indicate the location
they should be placed.
FIGURE 4
FIGURE 5
Sensing Face
14
The Spray Marking Device is a pressurized, solenoid activated liquid spray system which pinpoints the location of
tramp metal to eliminate costly search and down time.
The Flag Drop Marker is a device which drops a tag or ag onto the belt which pinpoints the location of tramp metal to
eliminate costly search and down time.
FIGURE 6
FIGURE 7
ERIEZ Metal Detector Model 1230
15
Idler Isolation kit
The idler isolation kit is used to reduce or eliminate unwanted interference from the adjacent idler rollers.
FIGURE 8
1-13/16" (20mm) 5/8" (16mm) 1/2" (13mm)
Synchronization is used when two metal detectors are used within 100' of each other and are within a line of sight.
Exception is when there is a metal wall or other metal structure between the two metal detectors to block the signals
from the metal detectors.
16
Installation
PLEASE READ THROUGH COMPLETELY BEFORE
BEGINNING WORK!
Recommended Tools
• 9/16" deep well socket & ratchet
• 7/16" wrench
• 3/32" at head screwdriver
• #2 phillips and at head screwdriver
• 9/16" wrench
• Needle nose pliers
• Crescent wrench
• Speed square
Upon receipt of the crate(s) containing the Metal
Detector System, inspect the contents for physical
damage and missing parts. If anything is broken or
missing, please contact the carrier and notify the
supplier immediately.
Site Selection & Preparation
While each application is unique, the guidelines listed
below apply to most installations. Specic information
concerning your installation can be found in the Frame
Assembly and Control Connection Diagrams.
Follow the steps listed below to choose the best location
for the detector:
Choose a location for the detector so the material
handling system has ample time to react to tramp metal.
Locate the detector far enough in advance of the head
pulley so the belt can come to a stop before the metal
falls off the end of the belt. If a diverter is used, consider
the reaction time of the system and speed of the
conveyor belt.
Select a site with minimum vibration. High vibration areas
may degrade detector sensitivity and shorten component life.
Locate the Search Coil Assembly away from sources of
airborne electrical interference emitted from variable-speed
drives, large motors, ballasts, FM radios, induction furnaces
and other radio frequency (RF) sources. Because RF
energy travels along a straight line (line-of-sight), position
the receiver coil or relocate RF sources so they are out
of the direct line-of-sight with the top and bottom of the
receiver coil. Cables carrying high voltage or varying loads
must be enclosed in steel conduit, grounded at both ends
and located at least 4' from the detector antennas.
Position the entire search coil assembly so that the
bottom coil (usually the receiver) is equally spaced
between the two adjacent idler rollers. Use the receiver
or transmitter coil connector as the center line. Do not
FIGURE 9
The magnetic eld generated by the transmitter coil
induces eddy currents in nearby metal cross bracing,
stairways, handrails and pipes. These eddy currents may
cause false tripping if the current path intermittently makes
contact. Eddy current loops can be broken by cutting the
conductive paths in these structures. Use non-metallic
hardware as required to restore structural support.
Idler Roller Isolation
If conveyor idlers are used in your application, the
idlers adjacent to the Search Coil Assembly require
modication or isolation to break eddy current loops. An
Idler Isolation Kit has been provided with your detector
for this purpose. This contains shoulder washers in three
different sizes, (8) 1/2" (12mm) Id, (8) 5/8" (16mm) Id,
(8) 13/16" Id and (8) 4" X 4" FRP plates. The FRP plates
should be placed between the idler mounting ange and
the conveyor frame, and secured with the idler roller
hardware. Refer to the Conveyor Idler Modication
Diagram for details. Figure 10.
If the Search Coil Assembly is located where a metal skirt
passes through the coils, it must be replaced with a ve-
foot section of non-metallic material (i.e., wood or plastic).
Remove metallic decking, skirt boards, cross bracing
and return idlers below and within 3' of the center line of
the receiver coil (upstream and downstream). Relocate
or tightly secure moving or vibrating pieces of metal such
as cables, conduit and piping within 36" of the Search
Coil Assembly.
ERIEZ Metal Detector Model 1230
17
FIGURE 10
1. Remove the adjacent idler on either side of the detector installation location.
2. Select Shoulder Washers that is the closest t for the idler bolt.
3. Position 4 isolation pads under idler feet (two on each side) so they are centered on
the idler foothole, drill a hole into the four isolation plates large enough to allow the
shoulder washer ange to t.
4. Re-mount the idlers onto the frame so that the isolation plates are in between
the idlers mounting foot and the conveyor frame. Secure the idlers with the bolt,
washers, shoulder washer and nuts. When completed, the idler will be electrically
isolated from the conveyor frame.
NOTE: Be sure to use a metal at washer on top of the nylon shoulder washer to spread
the bolt head pressure evenly.
ITM QTY DESCRIPTION
1 8 10630.3 Shoulder Washer 1/2" ID (12mm)
2 8 10630.2 Shoulder Washer 5/8" ID (16mm)
3 8 10630.4 Shoulder Washer 13/16" ID (20mm)
4 2 40033 Isolation Pad, Fiberglass
4" x 4" x 1.4" Thk (Set of 4)
18
Coil Assembly
Note the material ow direction arrows, match marks and
other identication on the Detector components before
beginning work. Please refer to the Frame Assembly
Diagram for installation, Figure 11.
Assemble the top crossbar to the vertical upright
supports using four 3/8" x 1" bolts with washers
(provided) use needle nose pliers to hold the bolts and
install the bottom bolts rst. Be sure the crossbar is
located on the upstream side of the upright supports
and the base of the metal mounting feet angles point in
toward the belt.
Assemble the top transmitter coil (with swing-away
brackets attached) to the upright supports. The height
of the transmitter coil should be as low as possible
without being hit by overburden. The nominal height for
the transmitter coil is indicated by dimension “S” on the
Frame Assembly Diagram. Use two 3-1/2" bolts with
washers (provided). Each of the two bolts contains four
at washers and two nuts. Make sure two washers are
located between the swing-away bracket and upright
support to insure proper spacing and freedom of
movement. The remaining washers are located at the
end of each bolt. Tighten, by hand, each bolt with a nut
until light drag is exerted on the swing-away bracket.
Tighten the second nut against the rst nut to serve
as a jam nut. Verify that the swing-away brackets
are free to move.
CAUTION
Position the upright assembly onto the conveyor frame
with the arrow on the transmitter coil pointing in the
direction of belt ow.
Assemble the receiver coil (mounting brackets attached)
to the upright supports using four 3/8" x 3-1/2" bolts with
washers (provided). Position the height of the receiver
coil as close as possible to the belt. The nominal
height for the receiver coil should be 1" to 2" below the
conveyor belt, allow for belt sag under load. Bolt the
brackets into place with the nuts and washers facing in
toward the belt.
Verify that the search coil assembly is square and all
bolts installed are properly tightened.
Position the entire search coil assembly so the bottom
receiver coil is equally spaced from the idler rollers on
either side.
Weld or bolt the metal support feet to the conveyor
frame. Be sure unwanted twists and torques in the frame
assembly are corrected before you weld. A twist in the
frame may cause the swing-away bracket to pull away
from the upright support. This may cause the transmitter
coil to bounce from vibration while in operation.
ERIEZ Metal Detector Model 1230
19
FIGURE 11
Frame Assembly Diagram
Frame Assembly
Name
1Crossbar
2 Left upright up to 72" length
2 Left upright over 72" length
3 Right upright up to 72" length
3 Right upright over 72" length
4Mounting feet carbon steel
5 Receiver Bracket Left
5 Receiver Bracket Right
6 Transmitter Bracket Left
6 Transmitter Bracket Right
7Receiver Antenna (xx = coil length)
8Transmitter Antenna (xx = coil length 1380Hz)
9 Roughing Guard (optional)
10 Swing-Away Switch (optional)
20
Control Enclosure
After installing the Search Coil Assembly, select a
place to mount the Main Control Enclosure for ease of
operation and within the length of the cables provided.
Avoid high vibration areas. DO NOT INSTALL IN
AN ENVIRONMENT WHERE THERE IS A RISK OF
EXPLOSION. Note the length of interconnecting cables
and the location of the connectors on the coil. Locate
the Control Enclosure on the same side of the conveyor
frame as the connectors for ease in routing the cables.
The Enclosure should be positioned so the front panel
hinge is on the Right side and the display is on top. Fix
control unit cabinet to wall or frame using the 4 screw
holes provided (check the drawing under “Electronic
Enclosure Dimensions” for dimensions). Ensure that it
is securely xed to support the weight of the control unit
(approx. 21lbs [9.5kg]). The detector electronics must
be installed in its own cabinet. DO NOT install it in other
cabinets with other electrical equipment as there is a
high risk of interference.
Fabricate and install a sun/rain shade for added
protection over the Enclosure if it is mounted outdoors.
Do not obstruct the natural airow around the Enclosure.
Familiarize yourself with the type of electrical
connections required for this installation and any safety
precautions before proceeding. Please refer to the
Appendix A control connection diagrams for information
about connections and color code hook-up.
Use the existing entry holes on the bottom of the
Enclosure. Do not run metal conduit along the sides or
near the Search Coil Assembly.
Transmitter and receiver cables do not need to be in
conduit but they need to be secured to the conveyor
frame. If there is a danger of cables being cut or
damaged by the product then the cables should be
routed in conduit, for protection of the cables. Do not
Synchronization of several metal detection units: If
several metal detectors are installed within 100' (30m)
of each other, a shielded 2 core “twisted pair” cable must
be used to synchronize them. This must be connected
according to Figure A18 in Appendix A
The Swing-Away Cutout Switch (Optional) is a pre-
wired switch mounted on the swing-away bracket. Its
purpose is to prevent the Metal Detector from tripping
when the transmitter coil is hit by an overburden of
material. Route the free end of this cable in the same
conduit as the transmitter cable to the Main Control
Enclosure. Be sure to leave enough slack in the cable
to allow the transmitter antenna to swing freely. Refer to
Control Connection Diagram Appendix A Figure A7 for
connection instructions.
FIGURE 12
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