| Customization: | Available |
|---|---|
| Task: | Program |
| Function: | Automatic Control |
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The SPNPM22 network processing module is the gateway between Cnet and Controlway. It holds the Harmony control unit (HCU) database and directs the communication process between the modules residing on Controlway and the SPNIS21 module.
Your system for tension measurement consists of:
Tension Electronics PFEA111, PFEA112 or PFEA122
PFEA111 is a cost effective compact and user friendly tension electronics providing an accurate and reliable fast analog SUM signal from two load cells for control and/or monitoring. The display can show the SUM, individual A & B and difference signal. The small size and DIN-rail mount make this unit very easy to integrate into many types of electrical cabinets
PFEA112 provides the same functionality and user friendliness as the PFEA111 with the addition of Fieldbus communication via PROFIBUS-DP
PFEA122 provides the same functionality and user friendliness as the PFEA111 with the addition of PROFINET communication.
Tension Electronics PFEA113
PFEA113 can supply up to four load cells and has six configurable analog outputs for control and/or monitoring of web tension. The output signals are also available on PROFIBUS-DP. Another useful feature is the possibility to, via the digital input or PROFIBUS, switch the gain for two different web paths (gain scheduling) and zero set. (The PFEA113 is described in a separate manual)
Covering a wide range of applications the Tension Electronics comes in four versions, with different levels of performance and functionality. All four versions have multi-language digital display and configuration keys. The configuration keys being used for setting different parameters and to check the status of the tension system. The 2 x 16 character display can present sum, difference or individual load cell signals. All four versions are available in both DIN-rail version (IP 20-version, unsealed) and enclosed IP 65-version (NEMA 4) for mounting in more severe environments.
Load cells of type PFCL201, PFCL30iE, PFTL101, PFTL201, PFTL30iE and PFRL101
The equipment is intended for use in a wide range of manufacturing processes where a web of any kind of material, for example paper, plastic or textile, is transported in a machine. The only requirement is that the web is wrapped over a roll. The force on the roll is proportional to the web tension. The resulting force is transferred through the bearing housings into the load cells.
The load cells create a signal that is proportional to the force acting in the measuring direction of the load cells. This signal is processed and amplified in the tension electronics and can be used as an input signal for process control, presentation on a display or for registration.
The Measuring Technique Based on Pressductor™ Technology
The operating principle of a force transducer has a great effect on how well it will perform. It also affects how stiff and vibration-free the entire load cell will be, as well its robustness and tolerance to overload. All of these factors impact on the design, operation, and maintenance of the web processing machinery.
ABB's Pressductor transducer technology produces a signal as a result of changes in an electromagnetic field when the load cell is subjected to mechanical force. It is an operating principle that has its origin in a metallurgical phenomenon according to which mechanical forces alter the ability of some steels to convey a magnetic field. Unlike other types of load cell technologies, physical movement such as compression, bending or stretching is not required for signal generation.
A Pressductor transducer (the sensor inside the load cell) is a simple and elegant design. Essentially, two perpendicular windings of copper wire around a steel core combine to provide a measurement signal.
An electromagnetic field is created by continuously feeding an alternating current to one of the windings. The field is positioned in such a way that, since the windings are at right angles to each other, there is no magnetic coupling between them when the load cell is unstressed.
However, when the transducer is subjected to a force, as shown in the figure, the magnetic field pattern changes. A portion of the field couples with the second winding and induces an AC voltage that reflects the tension exerted by the web on the measurement roll. This voltage - a comparatively strong transducer signal - is converted by the load cell system's tension electronics into a system output.
IP 65-version (NEMA 4)
The electronic unit is delivered in an enclosure intended for wall mounting.
When choosing a place for installation, check that there will be space to open the enclosure lid fully. Also check that there is enough working space in front of the enclosure.
The enclosure is fitted with cable glands (PFEA111 five and PFEA112 six cable glands).
Key Advantages
1. A skilled team of over 50 sales specialists.
2. Competitive pricing without compromising on quality.
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5. 24-hour shipping to destinations across the globe.
6. A wide selection of brands and products.
About Delivery
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About our products
Control Systems: DCS, PLC, TSI Systems
Controllers & Interfaces: Panel Controllers, HMIs, and Touch Screen Display
Power Solutions: Power Supplies & Modules
| How to get the best quotation? All prices noted on the website are not real. Please contact our sales Felicia for an accurate quote. |
| Why the prices on the webiste are the same? Prices on our website are generated by the system, so they are the same. If you need quotation about SPNPM22 SPDSI14 NTAI06, please let Felicia know. |
| What payment term we can accept? We accept 100% T/T payment in advance. |
| What shipping methods we can supply? We offer lots of shipping ways like Fedex, DHL, UPS and so on. You can choose the most convenient way. |
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