Table of Contents
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Table of Contents |
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Warranty |
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iv |
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Section 1 Introduction |
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Using This Manual |
1-1 |
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Overview |
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1-2 |
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Features |
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1-3 |
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Section 2 Installation |
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Overview |
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2-1 |
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Unpacking the Belt Scale System |
2-1 |
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Installing the Belt Scale System |
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2-1 |
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Mounting the Processor |
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Modifying the Mounting the Weigh Idler to the Belt Scale |
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2-3 |
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Mounting the Belt Scale Assembly on the Conveyor |
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2-3 |
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Mounting the Bridge Transducer Circuit Board Enclosure |
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Installing the Speed Sensor |
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2-5 |
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Attaching the Load Cell to the Belt Scale Assembly |
2-6 |
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Wiring the Belt Scale System |
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2-6 |
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Section 3 Programming the Processor |
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Overview |
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3-1 |
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Becoming Familiar with the Processor |
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3-1 |
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Processor Screen Display |
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3-2 |
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Processor Keypad |
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3-2 |
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Programming the Setup Data |
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Initial Programming |
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3-3 |
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Changing the Setup Data |
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Section 4 Calibration |
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Overview |
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4-1 |
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Initial Calibration |
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4-1 |
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Routine Calibration |
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4-3 |
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Section 5 Maintenance and Troubleshooting |
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Overview |
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5-1 |
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Diagnostic Messages |
5-1 |
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Spare Parts |
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5-1 |
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Routine Maintenance |
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5-1 |
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i
SciTronics Model CS 1000
Section 6 System Specifications |
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Belt Scale System |
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6-1 |
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Digital Signal Processor |
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Load Cell |
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6-1 |
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Speed Sensor |
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6-1 |
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Section 7 Custom Applications |
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7-1 |
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ii
Table of Contents
List of Illustrations
Figure 2-1 |
Digital Signal Processor Dimensional Drawing |
2-2 |
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Figure 2-2 |
Mounting the Belt Scale on the Conveyor |
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2-4 |
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Figure 2-3 |
Wiring Diagram for the Standard Belt Scale System |
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Figure 2-4 |
Wiring Diagram for the Belt Scale System with the |
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Optional DR4200 Chart Recorder |
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Figure 3-1 |
Model CS 1000 Digital Signal Processor |
3-1 |
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Figure 3-2 |
Processor Menu Tree |
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Figure 4-1 |
Calibration Record |
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Figure 7-1 |
Printer Cover on the Digital Signal Processor |
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Figure 7-2 |
Printer Ribbon Cartridge |
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Table 3-1 |
Programming Data Table |
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3-5 |
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iii
SciTronics Model CS 1000
Warranty
SciTronics warrants all products of its manufacture to be free from defects in material and workmanship. This warranty is effective for three years from the date of shipment to the original Purchaser.
Upon notification by the Purchaser, SciTronics will correct any defects in equipment of its manufacture either by repair in our plant or by supply of replacement parts to the Purchaser.
SciTronics must decide to its own satisfaction that the equipment is defective and has not developed malfunctions as a result of misuse, modification, abnormal conditions of operation, or attempted service not authorized by SciTronics.
SciTronics will not accept any product returned for refund or approve any backcharge for labor, materials, or other costs incurred by the Purchaser or others in modification, adjustment, service, or repair of SciTronics equipment unless such return or backcharge has been authorized in writing to the Purchaser.
Any special test or requirement placed upon SciTronics products or products of other manufacture used in SciTronics systems must be mutually agreed upon in writing by SciTronics and the Purchaser prior to the date of shipment.
SciTronics reserves the right to make changes in design or construction of its products at any time without incurring any obligation to make any changes whatsoever on units previously purchased.
This warranty is expressly made by SciTronics and accepted by the Purchaser in lieu of all other warranties, including warranties of merchantability and fitness for particular purpose, whether written, oral, express, implied, or statutory. SciTronics shall not be liable for normal wear and tear nor for any contingent, incidental, or consequential damage or expense due to partial or complete inoperability of its products for any reason whatsoever. In no event shall SciTronics’ liability exceed the original purchase price of the equipment.
Note : This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
iv
Section 1 Introduction
Section 1 Introduction
Using This Manual
This manual contains the installation, operation, and maintenance instructions for your SciTronics Model CS 1000 Belt Scale (belt scale system).
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NOTE
The warranty for your belt scale system is on page iv in this manual. Be sure to read it so you are aware of its provisions and exclusions.
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This manual is arranged in the following sections so that you can find the information you need quickly and easily:
•Section 1 Introduction
describes the organization of this manual and provides a general description of the belt scale system.
•Section 2 Installation
provides instructions for mechanical and electrical installation of the belt scale system.
•Section 3 Programming the Processor
describes how to program the digital signal processor for initial setup and any time data needs to be changed.
•Section 4 Calibration
explains how to perform electronic calibration of the belt scale using the digital signal processor.
•Section 5 Maintenance and Troubleshooting
provides the necessary information for routinely maintaining the belt scale system.
•Section 6 System Specifications
list the specification data for the belt scale system.
•Section 7 Custom Applications
explains the features unique to your specific belt scale system.
1-1
SciTronics Model CS 1000
Overview |
The SciTronics belt scale system is installed on a conveyor and |
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weighs material in transfer. It is designed for such applications as |
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rock crushing plants, asphalt and concrete products batch plants, |
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ore processing plants, coal preparation plants, recycling plants, |
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paper and wood processing plants, food processing plants, and |
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fertilizer plants. |
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The belt scale system consists of the following components: |
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• belt scale assembly with bridge transducer electronics |
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speed sensor |
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digital signal processor |
The rigid steel construction of the belt scale assembly ensures permanent alignment with the conveyor. The precision NTEPapproved strain gauge load cell accurately weighs the material being conveyed. The weight signal from the load cell is converted to a digital computer signal in the bridge transducer signal conditioner and transmitted to the digital signal processor.
The speed sensor outputs the speed signal that is proportional to the velocity of the belt. The signal is converted to a digital computer signal in the bridge transducer signal conditioner and transmitted to the digital signal processor.
The digital signal processor receives the weight and speed signals, performs calculations, and displays values for rate, total weight, and belt speed in selectable standard engineering units (tons, pounds, tonnes, or kilograms). The processor screen display is a high-intensity, 4-line by 20-character alphanumeric display that is adjustable to high, medium, or low intensity. The screen-saver feature automatically turns the display off during inactive periods to prevent damage to the screen. Using the screen menus and processor keypad, the operator easily steps through programming of the setup data.
The multiple scale interface network allows connection of up to four scales to each digital signal processor.
1-2
Section 1 Introduction
Features |
The belt scale system has the following features: |
•Accurate to ± 0.5% (approved installations).
•Adjustable intensity, 4-line, 20-character vacuum fluorescent display with screen saver.
•Easily programmable setup data.
•Full-time self-diagnostics.
•Real-time clock calendar.
•Multiple scale interface.
•Manufactured to CEMA standards.
•Optional printer or computer interface (plug-in PC board).
•Optional plug-in cards for relay outputs and 4-20 mA outputs.
•Optional speed sensor selection for variable speed belt.
•Optional LCD Display Model DSP1000LCD
1-3
SciTronics Model CS 1000
1-4
Section 2 Installation
Section 2 Installation
Overview
Unpacking the Belt
Scale System
Installing the Belt
Scale System
This section provides instruction for mechanical and electrical installation of the belt scale system.
1.Remove the belt scale assembly and speed sensor from the pallet.
2.Place the shipping container containing the digital signal processor on a stable surface and open it, taking care not to damage the contents.
3.Inspect the contents and report any shipping damage or missing parts to the carrier as soon as possible (most carriers will not consider a claim unless notified within 15 days of
delivery).
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NOTE
The bill of lading for this shipment is an acknowledgment by the carrier of the receipt of the equipment in good condition. SciTronics is not responsible for any loss or damage incurred during shipment. Note any damaged or missing parts on the carrier’s delivery receipt. Sign the notation and have the carrier’s driver also sign it. The consignee is responsible for initiating claims against the carrier.
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WARNING
To prevent bodily injury, be sure that the conveyor is locked out before beginning installation.
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2-1
SciTronics Model CS 1000
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CAUTION
1.Whenever possible, be sure to install the belt scale on the conveyor in a location where it is protected from the weather. Wind can cause weighing errors.
2.Curvature or upturn in the conveyor is serious. Consult the factory before mounting the scale.
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Mounting the Processor 1. Select a location close to a 115 V power source that is within 1,000 ft (304.8m) of the scale and where the processor will not be exposed to excessive vibration, heat, and moisture. If mounting the processor outside, be sure to place it in a vandal-proof enclosure.
2.Secure the processor to a wall or support at a height where the screen display can be easily seen and the keypad is
accessible. Be sure there is sufficient clearance to open the enclosure. Refer to Figure 2-1 for dimensional specifications.
2-2
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