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Any reproduction of this documentation, regardless of method, without prior permission by Schenck Process GmbH in writing, even by excerpt, is prohibited.
Subject to change without prior notice. It describes the functionality of the VWF xxx software. When performing installation, commissioning and service work, observe all applicable local regulations. Intended Application The measuring system and its connected mechanical components are exclusively designed for weighing and controlling tasks. Any use other than originally intended is considered inappropriate. Sources of Risk If the measuring system has been correctly installed and commissioned, it does not pose any danger during weigh operations.
Hazards may arise when the system is used for control operations or for transporting weighed goods. Potential hazards may then arise from e. Minor risks may arise in these situations if the measuring system is used or operated by untrained personnel.
The measuring system can be part of a more complex plant. The system operating company is fully responsible for the operating safety of the system. Personnel Preparation, assembly, commissioning, operation, maintenance and servicing may only be carried out by qualified personnel. All persons working on the system are required to observe the safety hints and know the parts of the technical documentation relevant to their work.
The operating company is responsible for instructing his operators to observe all regulations and instructions given. Changing Parameters The measuring system's functionality is determined by parameters. Only personnel familiar with the device's mode of operation may alter these parameters e. Incorrectly set parameters may cause injury or material damage.
Furthermore they may also cause considerable disruption to weigh operations. Password Passwords safeguard the parameters against unauthorized alteration. The measuring system operating company must ensure that the password is handled safely.
Ensure that any connected peripheral devices are functioning correctly before acknowledging an event. Any connected control systems in particular must be in safe state. Take appropriate action to ensure that the measuring system cannot be inadvertently restarted. There is danger of contacting live parts. Moisture and Humidity All scales parts, electrical components in particular, must be protected from moisture and humidity when the housing is opened for e.
In other respects the protection classes of the housing must be observed. This especially applies to alterations which could affect the operating safety of the system. Replacing Components Spare parts must meet the technical specifications indicated by Schenck Process. To ensure this requirement is met, only genuine Schenck Process spare parts should be used.
When using other spare parts, the warranty will be void. DANGER This signal word indicates a danger that can immediately cause the most severe injuries up to and including death.
Follow all instructions to prevent this from occurring. Once the work is finished, they are to be applied in reverse order.
DANGER Electric shock from live components Danger of life from electric shocks — Take all possible precautions to ensure safety before commencing work on live components. Observe, among other things, the following. Disconnect the components. Secure them against inadvertent restart. Ensure that the components have been de-energized. Above 1 KV: Earth the cables and bypass them. Cover or shield adjacent, live components. Damaged or defective electrical components must immediately be replaced or, if possible, repaired by qualified personnel.
The basic hardware equipment is aligned to the needs of the application. The feed rate is regulated on a weighfeeder according to a setpoint. A belt weigher only measures and it cannot influence the feed rate. The result is the feed rate I, from which the flow rate is determined. The load on the platform exerts a force on the load cell LC through one or more weighing idlers. The measuring displacement is approximately 0. The measuring rolls are linked with the frame construction via parallel plate springs.
The load cell output voltage is proportional to the platform load. It is recorded with a suitable measuring amplifier. The load distribution on a single-roll weighbridge is shown by the white triangle. Only half of the force from the weight of the material is passed into the measuring idler. The product is feed rate I. You can give the technical name at the installation location in the header. A rotating symbol on the left edge shows whether the weighfeeder is on or off.
The second line of the display is reserved for event information. The following two lines show readings that can be selected with the cursor buttons.
The lower half of the display is used for various visualizations: the large-scale display of an individual reading, the display of 4 readings in line font size or the display of as many as 9 readings that can be adjusted in the parameters block Configuration HMI Values. They adapt their font size over 3 levels. Alarms will shut down the scales, warnings will not. All alarms are also signaled through a relay output.
Important configuration and calibration functions are secured via a password. The zero setting records the zero point fault on an empty belt over one or several wholenumber belt circuits. This corrects the regular measurement in normal operation. The function can be turned off. After taring, the total remains unchanged over one belt circuit with the empty belt. The call-up is protected by a password.
This means that if the belt load changes, the measurement result for the feed rate will not accord precisely with the current feed rate at the dispatch point. Measurement is relocated to the material dispatch point using a special velocity-dependent delay element. No special measuring sensors are required to do this. The conveying process ends once the batch setpoint has been reached. The batching process can be controlled via the belt conveyor drive or via the bin feeder.
This increases the scale's short-term accuracy. Certain design data on the load cells, velocity sensor, inclination of the conveyor belt, etc. From this data, the device calculates all required standardizations for the displays. The control or readjustment can take place using two different methods. In due course, the program also becomes suitable for the verification of mechanical changes, for example twisting of the weighing platform due to movement of the foundations.
The scales are switched on; feed rate and flow rate are being recorded. It only measures the belt load and belt speed when off the cross is stationary. This can be changed with EasyServe via parameters P The functions of buttons 4 - 7 depend on the application software and parameterization. ENTER Activate a function or confirm an input Function block The function block is the point of entry for everything to be performed on the device. All functions and dialogs can be called up through it.
The function block is two-staged.
Manual Intecont Tersus
Ultra-modern, compact and multilingual The successor to the successful Intecont Plus, the Intecont Tersus, steps up a gear in terms of performance and features. For example, the evaluation electronics for continuous measurement systems are ideally equipped for international use. They are supplied with the option of dialogues in German, English, Italian, Spanish, French, Dutch, Hungarian and Russian and additional languages can now also be installed. The new multi-talented design with inherent ergonomics can even handle Chinese and Japanese. Potential uses The evaluation electronics are used for technical weighing tasks in continuous processes in order to measure and record bulk material flows continuously and to high levels of accuracy. They enable reliable production reproducibility and transparency at a high level. This starts with the colour LCD featuring high resolution, event marking and input assistance.
Intecont Tersus Digital Scales