RIDGID metal detector Guia do Utilizador Página 55
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Installation
■ Reject Valve – The Reject Valve is attached to the pneumatic assembly and contains five ports
as follows:
o Air Supply Input Port – The air supply from the dump valve is connected to the input.
o
Air Supply Output Port 1 – The air supply is fed to one side of a reject device. For
example when fitted to one side of a double acting air cylinder, the air drives a rod
attached to a nylon blade to push product off a conveyor into a reject bin.
o
Air Supply Output Port 2 - The air supply is fed to the other side of a reject device. For
example when fitted to the other side of a double acting air cylinder, the air drives a rod
attached to a nylon blade back to its start position.
o
Air Supply Dump Output Port 1 – When an emergency stop is activated, the air pressure
captured in one side of the reject device is dumped through this port. A suppressor is fitted
to the port to reduce any noise generated.
o
Air Supply Dump Output Port 2 – When an emergency stop is activated, the air pressure
captured in the other side of the reject device is dumped through this port. A suppressor is
fitted to the port to reduce any noise generated
In addition for fail-safe reasons an air pressure switch is fitted in order to alert the operator that the air
supply is low (below 40psi / 2.8 bar) and to shut down the system; generating a fault condition.
The system will be supplied with the pneumatic system already fitted and connected to the applicable
reject device.
Therefore the only actions required are to connect the air supply to the input side of the air regulator
using 10mm O/D tubing and set the air pressure using the regulator.
The air pressure should be set to 80psi (5.5 bar) except when being used to supply an air-blast reject
device when the pressure should be set to 100psi (6.9 bar). The minimum air pressure must not fall
below 65psi (4.5 bar) when the reject operates.
Care should be taken when cutting the compressed air supply tube to length before fitting to
ensure that no particles enter the tube as this may cause damage to or prevent the high
precision air nozzles from operating correctly.
Connecting the Electrical Supplies
Connection of the machine to an electrical supply must only be carried out by suitably
trained and qualified personnel.
The supply voltage for the machine is indicated on the identification/rating plate that is mounted on
the frame. An electrical diagram is supplied with each machine to provide connection details.
45
- Metal Detector User Guide 1
- Table of Contents 3
- Introduction 11
- About this Guide 12
- Organisation 13
- Document Change Control 14
- Document Key 14
- The Loma Group of Companies 16
- About Metal Detection 17
- How a Metal Detector Works 18
- Product Effect and Phasing 18
- Phasing 19
- Tracker Feature 20
- Metal Free Zone 20
- Detector Performance 20
- Types of Metal 22
- Test Frequency 23
- Product Test Samples 23
- Test Wands 24
- Testing Guidelines 24
- Test Records 24
- Learn Feature 25
- Safety First 27
- Safety Awareness 28
- EC Declaration of Conformity 28
- Safety Warnings 29
- Safety Labels 31
- Safety Guards 32
- Safety Measures 33
- Intended Use of the Machine 33
- Noise Levels 34
- End of Life Treatment 34
- Emergency Procedures 34
- Quality Assurance 35
- End User Licence Agreement 36
- Technical Specifications 37
- European Belt Conveyors 38
- Installation 39
- Warnings 40
- Receiving and Unpacking 40
- Moving the Detector Head 40
- Nuisance triggering 45
- Moving Metal 46
- Vibration 47
- Belting 47
- Electrical Interference 47
- Warnings 52
- Moving the Machine 53
- Clearance Requirements 54
- Connecting the Air Supply 54
- Checking Guards 57
- Site Considerations 58
- Radio Frequency Interference 59
- Metal Detector Search Heads 62
- Conveyor Belts 63
- Plastic Modular Belts 64
- Reject Devices 65
- Electrical Services Box 67
- Air Pressure Switch 67
- Optional Equipment 68
- Getting Started 71
- threshold 72
- display 72
- changes 72
- User Access 75
- Logging In and Out 76
- Starting and Stopping 77
- Stopping the Machine 78
- Emergency Stop 78
- Using the Metal Detector 79
- Handling Rejected Products 81
- Getting the Results 82
- Frequency Selection 82
- Operating Instructions 83
- Setting the Language 84
- Setting the Machine ID 84
- Setting Up the Search Head 86
- Setting Up the Conveyor 88
- Setting the VF Balance 92
- Setting the VF Drive 94
- Setting Up the User Options 95
- Setting Up Serial Links 96
- Reject Relay 101
- Reject Timing 101
- Adding a New Product 102
- Learning Products 104
- Full Learn 105
- Update Learn 106
- Learn Messages 107
- Learn Setup 108
- Learn Limits 110
- PQ span? 111
- Using Performance Validation 112
- Logs and Reports 117
- Errors Report 118
- Example Problems 119
- Faults Report 120
- Setup Report 123
- Contaminants Report 124
- Learn Report 125
- Status Report 126
- PV Test Report 126
- Batch Report 127
- Shift Report 128
- Contaminants Log 128
- Errors Log 129
- Faults Log 130
- Printing the Faults Report 131
- Clearing a Fault 131
- Clearing the Log 131
- Batch Log 132
- PVS Log 133
- Shift Log 134
- Maintenance 135
- Cleaning solutions 136
- Belt conveyor versions 136
- Conveyor Belt Maintenance 137
- Adjusting the Reject Devices 138
- Software Upgrades 138
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