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In most industries, production begins with a product in a bulk form. Whether the final product produced is aggregate or gold, it is most often transported at some phase by a conveyor. Therefore the overall importance of conveyor systems in the production of most materials is paramount. A conveyor is an asset, which must be properly managed in order to achieve maximum performance...(read entire column).
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The ARCH Conveyor Management System (CMS) eliminates downtime and improves safety with a unique network of monitoring and protection devices -- without conduit or extra wiring.
The Conveyor Management System continuously monitors your conveyor system to provide a safety and protection network unlike any other system on the market.
Intelligent Controllers: CMS control units monitor and supervise the entire system. When a problem occurs, the controller stops the conveyor, displays the type of fault and its location, and transmits the information to a central control room.
Field Components: A wide selection of safety, protection, and communication devices is available to meet the needs of your specific application.
Hardware: The CMS system is interconnected with a PVC-covered high-tensile steel cable which has six internal conductors. The cable serves as both the electrical and control cable for the entire system, as well as the emergency stop pull cable. |
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[Typical CMS Component Diagram]

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Head End Control Unit (HECU) |
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Conveyor Trip Switches with
Pre-Start Warning Alarm |
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Conveyor Underspeed/Slip Detector
(Connected direct to controller) |
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Sequence Roller
(Connected to controller of upstream conveyors) |
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Pull Cable |
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Pull Cable Carrier (Pigtail) |
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Blocked Chute Detector |
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Fusable Plug |
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Bearing Temperature |
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Tension Limit Switches |
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Troughing Belt Misalignment Detector |
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Return Belt Misalignment Detector |
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Troughing Belt Tear Detector |
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Return Belt Rip Detector |
Every ARCH CMS System gives you:
Continuous monitoring identifies problems before they cause problems.
Modular design allows custom functionality.
No conduit or extra wiring. CTS Pull Cable supplies all the communications for the system.
Pinpoints faults detection.
Emergency stop and pre-start warning.
Interlocking and sequencing that controls material flow up- and downstream.
Up-to-the-minute, comprehensive overview of entire operation using Supervisory Control and Data Acquisition (SCADA) software.
Hardwire or RF radio communications.
Any level of service and components, literally from the pull cord switch to the SCADA screen.
Complete system pre-testing eliminates start-up delays. Because we provide both the field components and control units, we can completely test the entire system prior to shipment, eliminating delays due to incompatible components.
Guaranteed!
[CMS Intelligent Controllers]
The Conveyor Management System's intelligent controllers monitor and supervise the entire operation.
- The Safeline Circuit™ provides an extra level of safety. The Safeline Circuit in every CMS controller ensures that every safety device is operating at all times.
The Safeline Circuit:
- Field PCB
- End Unit
- Supply
- Control
- Safeline
- Communication
A voltage inverting device used as the last unit in line transmits a negative voltage through a normally closed contact within each switch, back to the controller.
The controller monitors for the presence of the negative voltage, ensuring that the circuit is complete. |
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| System Capabilities |
CTS ISP |
CTS 1000 |
CTS 2000 |
Pull Cable |
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| Pre-Start Warning |
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| Dynamic Speed Monitoring |
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| Multi-Conveyor Sequencing |
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| Fault Location and Identification |
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| PLC/PC Interface |
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| Belt Protection Devices |
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| Belt Underspeed/Slip |
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| Belt Tear |
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| Belt Rip |
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| Belt Misalignment |
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| Blocked Chute |
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| Pre-Start Warning |
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| Pull Cord Switches |
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| Padlockable Safety Switch |
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| Aubible/Visible Pre-Start Alarm |
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CTS ISP: Power Supply and Line Check Unit
- Provides emergency stop pull cord switch capability, using CTS Pull Cord Switches.
- Safeline Circuit for uncompromising safety.
- Intrinsically safe power supply allows our CTS Pull Cable to be used, eliminating the need for conduit.
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1.Motor Control Circuit 2.CTS IPS 3. Pull Cord Switches 4. End Unit |
CTS 1000: Conveyor Control Unit
- Provides prestart warning alarm capability, either as stand-alone units or within CTS 300 PSW Pull Cord Switches.
- Includes push buttons and a serial interface port for PC control.
- Safeline Circuit for uncompromising safety.
- Intrinsically safe power supply allows our CTS Pull Cable to be used, eliminating the need for conduit.
CTS 3000: Head End Control Unit
- Communicates with all intelligent CMS devices
- Monitors start-up and shut-down of conveyor
- Intuitive touch-screen display
- Uses industry standard PLC hardware.
- Seamlessly integrates up to four (4) ArchWeigh belt scales
- Built-in diagnostics minimizes downtime
- Additional PLC programming can be added
- Relays CMS device information to DCS
...click here for more information(doc.)
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[CMS Field Components]
The CMS system's modular design allows components to be added or removed to meet the needs of your specific application. In addition to the pre-start alarms and monitors on this page, we provide a wide selection of Belt Protection Units, Pull Cord Switches, Pre-Start Alarms, and other devices.
CTS 300 PSW/DC Pull Cord Switch
Pre-Start Alarm with Termination Enclosure
›Two enclosures mounted on a chassis plate that forms a canopy above the unit.
›Emergency stop pull cord switch.
›Padlockable electrical rotary switch rated to 500V 16 amp.
›2 audible prestart warning alarms.
›Trip indication LEDs.
›Replaceable, resin-coated PC board.
Termination Enclosure: A resin coated PC board populated with spring-loaded type terminals for the cable connections and compression entry glands.
[CMS Hardware]
CMS Pull Cable
High-tensile braided steel cable with six internal conductors. The dual purpose cable serves as both the electrical and control cable for the entire system, as well as the emergency stop pull cable, eliminating the need for conduit and extra wiring. For added protection, the steel braiding is covered with U.V. stabilized flame retardant PVC.
Part Number: CTS PC |
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Termination Kit
Cable clamp and steel hook terminates the pull cable between the pull-keys. The cable clamp grips the pull cord and the steel J-bolt is fastened to the pull cord switch pulling mechanism.
Part Number: CTS TK |
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| Pull Cable Carrier
Carries the pull cable between the pull cord switches (and to other various belt protection units). Pull cable carrier is mounted on the conveyor structure at 10 ft (254 mm) centers.
Part Number: CTS PCC |
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| Conventional Hardware |
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Vinyl Coated Pull Cord
Part Number: CTS CRD |
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Galvanized Thimble
Part Number: CTS THB
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Galvanized Pull Cord Fastener
Part Number: CTS PCF |
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Galvanized Turnbuckle
Part Number: CTS TRB |
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Engineering Capabilities: ARCH's Electrical Controls Division can design, build, integrate and test a system customized for your needs, planned for the best cost efficiency and ease of operation.
As a company with many years of experience in the material handling industry, we understand the entire process rather than only the individual controls.
From 10 feet to 10 miles, we can provide the complete solution for your conveyor control needs.
Email Mike Archer for more information. |
¬Panel Layout & Construction
¬Flow Charts
¬Schematic Diagrams
¬Boolean Logic Diagrams
¬PLC Programming |
(Conveying Confidence) |