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3RG7857-1BD
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RG7857-1BD |
| Alternative Part Number | 3RG78571BD |
| Manufacturer | Siemens |
| Dimensions | 102 x 22.5 x 120 mm |
| Type | Switching Strip Evaluation Unit |
| Output | 2 Normally Open (NO) contacts |
| Protection Class | IP 67 |
| Operating Temperature Range | +5 °C – +55 °C |
| Operating Speed | min. 10 mm/s - max. see details |
| Signaling Element Length | min. 0.4 m – max. 10.0 m |
| Signaling Cable Length | max. 200 m |
| Tolerable Weight | max. 500 N (on the entire signalling element) |
| Fitting Position | Any alignment |
| Mounting | Head or countersunk screws (∅: 3 mm – 6 mm), approx. every 70 cm |
| Profile Hardness | 60 shore A |
| Profile Height | 30 mm |
| Profile Width | 25 mm |
| ALU-C Profile Weight | 0.3 kg/m |
| Detection of Fingers | Yes |
| Dead Surface Region | 70 mm |
| Maximum Operating Speed | 100 mm/s |
The Siemens 3RG7857 Series Switching Strip Evaluation Unit is a compact and reliable solution designed for the evaluation of safety edges in various industrial applications. With dimensions of 102 x 22.5 x 120 mm, this unit is engineered to fit seamlessly into control panels, offering a space-saving installation.
This evaluation unit is part of the safety edges relay category, featuring a slim 22.5mm profile and equipped with 2 normally open (NO) contacts. It is specifically tailored to work in conjunction with safety edge sensors, providing a critical component in the safety systems that protect personnel and equipment from potential hazards.
The 3RG7857-1BD model is crafted to ensure high operational reliability and is suitable for a wide range of industrial safety applications. Its robust design is capable of withstanding the demanding conditions of industrial environments, making it a valuable addition to any safety system.
This unit is designed for ease of use, with straightforward mounting instructions and a user-friendly interface. It is compatible with a variety of safety edge sensors, allowing for flexibility in system design and ensuring that it can meet the specific needs of your application.
The Siemens 3RG7857 Series Switching Strip Evaluation Unit is a testament to Siemens' commitment to safety and innovation in industrial automation. It is an essential component for any operation looking to enhance safety measures and ensure compliance with industry standards.
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Frequently Asked Questions
What is the function of the Switching Strip Evaluation Unit?
The Switching Strip Evaluation Unit is designed to analyse signals from safety edges installed in various protective equipment. It ensures that when a safety edge is actuated, indicating a potential hazard or obstruction, the unit responds by opening the release circuits to initiate a safety response, such as stopping machinery.
Can the unit be used in outdoor environments?
The unit is built to be robust and can handle various environmental conditions. However, it's important to ensure that the installation follows the manufacturer's guidelines to maintain its integrity in outdoor settings.
What are the dimensions of the unit?
The dimensions of the unit are 102 x 22.5 x 120 mm, making it compact and suitable for integration into a variety of systems where space may be limited.
How is the unit mounted?
The unit is designed for easy mounting and can be installed using standard tools. It should be securely attached to a stable surface to ensure reliable operation.
What type of outputs does the unit provide?
The unit provides 2 Normally Open (NO) relay outputs, which are used to connect to the control system of the machinery or equipment it is safeguarding.
Is there a specific operating temperature range for the unit?
Yes, the unit is designed to operate effectively within a temperature range, which is typically specified in the product documentation. It's important to operate the unit within these limits to ensure its reliability and longevity.
What type of maintenance is required for the unit?
The unit requires minimal maintenance, but it's recommended to periodically check the connections and the overall condition of the unit as part of regular equipment maintenance schedules.
Can the unit be used with different types of safety edges?
Yes, the unit is compatible with a range of safety edges, but it's important to ensure that the safety edges used are compatible with the unit's specifications for optimal performance.
What should be done if the unit is not responding correctly?
If the unit is not functioning as expected, it's important to first check the connections and ensure that the safety edges are properly installed. If issues persist, consulting the product documentation or seeking technical advice may be necessary.
Are there any specific certifications or standards the unit complies with?
The unit is designed to comply with relevant industry standards and certifications, which ensure its suitability for safety applications. The exact standards can be found in the product documentation.
