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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PXM20 |
| Alternative Part Number | PXM20 |
| Manufacturer | Siemens |
| Category | Operator Interface |
| Family | DESIGO PX |
| Operating Voltage | AC 24 V ± 20 % |
| Frequency | 50/60 Hz |
| Power Consumption | Series D and later: max. 3 VA, Up to Series C: max. 12 VA |
| Main Processor | Freescale PowerPC |
| Communication Processor | Neuron 3150 |
| Data Backup | Applications, parameter (FLASH) > 10 years |
| Keyboard Type | Keyboard with plastic membrane and pressure point |
| Display | F-STN, Black & White, 240 x 128 dots |
| Connectivity | BACnet on LonTalk |
| Mounting Options | Control panel mounting, DIN rails, Direct on modular automation stations |
| Housing Protection | IP 40 (built-in), else IP30 |
| Ambient Operating Temp | 0 ... 45 °C |
| Ambient Operating Humidity | < 85 % rh |
| Standards and Approvals | EN 60730-1, UL 916 |
| Environmental Compliance | RoHS compliant, environmentally friendly product design |
| Dimensions | 117 x 210 x 37 mm (H x W x D) |
| Weight | 508 g (without packaging + accessories) |
The Siemens PXM20 Operator Unit is a sophisticated control interface designed for seamless integration with Desigo PX automation stations. This operator unit is engineered to facilitate the monitoring and operation of one or several automation stations within a building's management system. It boasts a high-resolution display and 13 user-friendly buttons, ensuring easy navigation and quick access to essential plant information.
Equipped with energy-saving LED backlight technology, the PXM20 enhances visibility while conserving power. Its intuitive design includes features such as direct access to alarm handling, time schedulers, calendars, setpoint adjustments, and current value displays. The unit also supports graphic online-trend functions, which are crucial for real-time data analysis and decision-making.
The PXM20 is designed with an integrated acoustic and visual collective alarm, adding an extra layer of security and responsiveness to the building management system. Its ability to add or delete users and the automatic logout feature ensure that access protection is maintained within the Desigo system.
For those managing heating systems, the PXM20's heating curve graphics provide a clear visual representation of heating performance over time. The unit also allows for system date and time setting adjustments, ensuring synchronisation across the entire system.
The operator unit's context-sensitive help function is a valuable tool for troubleshooting and learning, offering guidance directly on the device. For installation flexibility, the PXM20 can be mounted in control panels, on DIN rails, or directly onto modular automation stations.
Crafted with a commitment to environmental responsibility, the PXM20 adheres to European Directive 2012/19/EU (WEEE) for waste electronic equipment, ensuring it does not contribute to unsorted municipal waste. This commitment extends to the product's design, which is focused on minimising environmental impact throughout its lifecycle.
Overall, the Siemens PXM20 Operator Unit is a reliable and user-friendly interface that enhances the functionality and efficiency of building automation systems, making it an essential component for modern facility management.
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
Read more...Have steps been taken to ensure quality control?
Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Frequently Asked Questions
What is the purpose of the operator unit?
The operator unit is designed for viewing and operating one or several automation stations within the Desigo PX system. It allows for the monitoring and control of building management functions such as alarm handling, time schedules, and setpoint adjustments.
Can the display contrast be adjusted on the operator unit?
Yes, the display comes with adjustable contrast to ensure optimal visibility under various lighting conditions.
Does the operator unit support energy-saving features?
The operator unit features an energy-saving LED backlight, which helps reduce power consumption while maintaining clear visibility.
How does the operator unit facilitate plant operation?
The unit simplifies plant operation through its easy-to-use key operation, providing direct access to essential plant information and functions.
Is there an alarm system integrated into the operator unit?
Yes, the operator unit includes an integrated acoustic and/or visual collective alarm to alert users to any critical conditions or system errors.
Can I view trend data graphically on the operator unit?
The operator unit has a graphic online-trend function that allows users to view and analyse trend data graphically.
Does the operator unit have user access protection?
Yes, the operator unit supports integrated access protection, which is part of the overall Desigo system, to ensure secure operation.
Is it possible to manage user access directly on the operator unit?
Users can be added or deleted directly on the operator unit, allowing for efficient user management.
What happens if the operator unit is left idle?
For security purposes, the operator unit features an automatic logout function that activates when the unit is left idle for a specified period.
Can the operator unit display heating curve graphics?
Yes, the operator unit can display heating curve graphics, providing a visual representation of heating performance over time.
Is it possible to set the system date and time on the operator unit?
The operator unit allows users to set the system date and time, ensuring that all time-dependent functions operate accurately.
Does the operator unit offer help functions for users?
A context-sensitive help function is available on the operator unit to assist users with operation and troubleshooting.
How is the operator unit installed?
The operator unit can be installed in a modular automation station PXC..-U or remotely, providing flexibility in placement and use.
Part conditions explained
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
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