Siemens SIWAREX WL230 SB-S CA Manual
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SIWAREX WL230
Load foot
SB-S CA
Manual
7MH5721-4GH10 (load foot 0.1 to 2 t)
7MH5721-4PH10 (load foot 2.5 to 5 t)
7MH5721-5AH10 (load foot 10 t)
06/2019
A5E47600142-AA
Introduction
Safety notes
Description
Application planning
Installing/mounting
Service and maintenance
Technical specifications
Dimension drawings
Certificates and approvals
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Table of Contents
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Summary of Contents for Siemens SIWAREX WL230 SB-S CA
- Page 1 Introduction Safety notes Description SIWAREX WL230 Application planning Load foot SB-S CA Installing/mounting Service and maintenance Manual Technical specifications Dimension drawings Certificates and approvals 7MH5721-4GH10 (load foot 0.1 to 2 t) 7MH5721-4PH10 (load foot 2.5 to 5 t) 7MH5721-5AH10 (load foot 10 t) 06/2019 A5E47600142-AA...
- Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
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Page 3: Table Of Contents
Notes on warranty ........................6 Safety notes..............................7 Prerequisites for safe use ......................7 2.1.1 Improper device modifications ....................7 Requirements for special applications ..................7 Description..............................9 SIWAREX WL230 SB-S CA design ..................9 Characteristics .........................9 Application planning ...........................11 Load cell dummies .........................11 Lifting protection........................11 Load pick-up...........................11 Overload protection........................12 Guide elements ........................13... - Page 4 Table of contents 5.11 Dismantling ..........................25 Service and maintenance ...........................27 Care and maintenance of elastomer components ..............27 6.1.1 Environmental influences/storage ..................27 6.1.2 Service life / Control .......................28 6.1.3 Cleaning ..........................28 Technical specifications..........................29 Dimension drawings ...........................31 Dimension drawing of the load foot..................31 Dimension drawing of grounding cable ..................32 Certificates and approvals ..........................33 Technical support........................33...
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Page 5: Introduction
In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions constitute one element of such a concept. Customers are responsible for preventing unauthorized access to their plants, systems, machines and networks. -
Page 6: Notes On Warranty
The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development. -
Page 7: Safety Notes
If you need additional information not covered by these instructions, contact your local Siemens office or company representative. Note Operation under special ambient conditions... - Page 8 Safety notes 2.2 Requirements for special applications SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 9: Description
Description SIWAREX WL230 SB-S CA design The self-aligning load foot for SIWAREX WL230 SB-S CA load cells is particularly suitable for installation in platform and bin scales. ① Load bearing ② Load cell ③ Locknut ④ Ball joint with pendulum function ⑤... - Page 10 Description 3.2 Characteristics SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 11: Application Planning
Application planning Load cell dummies Load cells are sensitive sensors. To protect the load cells from becoming damaged during installation and transport, install the load cells only at the last minute. Replace the load cells during installation and transport with placeholders, so-called dummies or phantoms. Lifting protection The following figure shows a proposed solution for lifting protection. -
Page 12: Overload Protection
Application planning 4.4 Overload protection More than three support points For more than three support points, the load bearing implement is usually statically indeterminate. With firm foundations and load bearing implements, the load is not evenly distributed to all load cells. The same applies to unstable mounts such as a steel construction. Two diagonal load cells bear the main load. -
Page 13: Guide Elements
Application planning 4.5 Guide elements Overload protection in the transverse direction For the load cells with a load foot, the weight force is introduced into the load cells via bearing surfaces. Up to a certain degree, these bearing surfaces allow lateral movement of the load bearing implement or a change in its length as a result of expansion due to heat. - Page 14 Application planning 4.5 Guide elements Figure 4-3 Arrangement of guide elements To ensure that no force components occur in the measuring direction, you must install guide elements at precise right angles to the effective direction of the load cells. Three guide elements are sufficient to statically fix a weighing platform or container. Note Weighing errors With four guide elements, there is a risk of the guide elements mutually tensioning, which in turn...
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Page 15: Grounding Cable
Application planning 4.6 Grounding cable Ensure that the guide elements to be used comply with the principles applicable to weighing technology. Grounding cable The grounding cable is used to protect the load cells from undesired currents. The causes of such currents are, for example: ●... - Page 16 Application planning 4.6 Grounding cable SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 17: Installing/Mounting
The load cell can be damaged when being handled improperly. Load cells are precision components. ● Observe the operating instructions for the load cell. SIWAREX WL200 Operating instructions (https://support.industry.siemens.com/cs/ww/en/view/109749190) ● Do not drop the load cell. ● Protect the load cells from shocks. -
Page 18: General Notes On Mounting
Installing/mounting 5.2 General notes on mounting NOTICE Incorrect assembly of the load cell Damaging of load cells, installation parts or load bearing implement With load cells of smaller rated loads, there is a risk of stretching the load cell bodies when attaching force transfer devices, e.g. -
Page 19: Mounting The Load Foot
Installing/mounting 5.3 Mounting the load foot Depending on the installation conditions, the detailed procedure deviates from the following description. Mounting the load foot Introduction In this section, you will learn how to mount the load foot step-by-step. Before you start, note the following safety information: ●... -
Page 20: Check The Scope Of Delivery
Installing/mounting 5.4 Check the scope of delivery Check the scope of delivery ① Load foot ② Locknut Figure 5-1 Product package SB-S CA Manual, 06/2019, A5E47600142-AA... -
Page 21: Create Bracket Plate
Installing/mounting 5.5 Create bracket plate Create bracket plate Procedure ① Bracket plate opening for load arm of the load cell ② Mounting screws Figure 5-2 Size of the bracket plate ● Note the following for creating the bracket plate: – Mounting of the load cell to the bracket plate can be upside down. –... -
Page 22: Screw The Load Cell To The Load Bearing Implement
Installing/mounting 5.6 Screw the load cell to the load bearing implement. Screw the load cell to the load bearing implement. Procedure Figure 5-3 Screw the load cell to the load bearing implement. 1. Screw in the fastening screws. 2. Tightening the fixing screws to the recommended torque (Page 29). SB-S CA Manual, 06/2019, A5E47600142-AA... -
Page 23: Installing The Load Foot In The Load Cell
Installing/mounting 5.7 Installing the load foot in the load cell Installing the load foot in the load cell Procedure Figure 5-4 Installing the load foot in the load cell 1. Screw the load foot from below into the load cell. 2. -
Page 24: Compensating Differences In Height
Installing/mounting 5.9 Checking the mounting Compensating differences in height Introduction At the time of installation, check whether it makes sense to compensate for differences in height. If load bearing implements and/or the foundation are elastic, it is not advisable to compensate for differences of height. -
Page 25: Screw On The Grounding Cable
Installing/mounting 5.11 Dismantling Freedom of movement is essential for the proper functioning of the scale. 1. Check that the load bearing implement can oscillate freely within the pendulum travel of the load foots. – Slightly lift the load cells one after the other. –... - Page 26 Installing/mounting 5.11 Dismantling SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 27: Service And Maintenance
Service and maintenance NOTICE Damage to load cells and load foots, measurement errors ● Dirt must not be allowed to accumulate in the vicinity of a load cell. ● Do not subject cable glands and seals directly to the jet of a pressure washer. ●... -
Page 28: Service Life / Control
Service and maintenance 6.1 Care and maintenance of elastomer components 6.1.2 Service life / Control General information The service life of elastomer components depends on the design and the stress it experiences. Rubber is subject to a natural aging process. If it is stressed within a permitted range, you can expect a service life of more than 6 years. -
Page 29: Technical Specifications
Technical specifications Value at rated load Variable 0.1 ... 2 t 2.5 ... 5 t 10 t Maximum permitted lateral ±1 mm ±1 mm ±1 mm deflection Maximum vertical load 30 kN 70 kN 130 kN Torques 75 Nm 500 Nm 700 Nm ●... - Page 30 Technical specifications SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 31: Dimension Drawings
Dimension drawings Dimension drawing of the load foot Figure 8-1 SIWAREX WL230 SB-S CA load foot SB-S CA Manual, 06/2019, A5E47600142-AA... -
Page 32: Dimension Drawing Of Grounding Cable
Dimension drawings 8.2 Dimension drawing of grounding cable Table 8-1 Dimensions SB-S CA 0.1 t ... 2 t, 2.5 t ... 5 t, 10 t ∅D SB-S CA: 0.1 t ... 2 t M12 x 1.75 SB-S CA: 2.5 t ... 5 t M18 x 1.5 SB-S CA: 10 t M24 x 2... -
Page 33: Certificates And Approvals
In addition to our documentation, Siemens provides a comprehensive support solution at: ● Service&Support (http://www.siemens.com/automation/service&support) Personal contact If you have additional questions about the device, please contact your Siemens personal contact at: ● Partner (http://www.automation.siemens.com/partner) To find the personal contact for your product, go to "All Products and Branches" and select "Products &... - Page 34 Certificates and approvals A.1 Technical support SB-S CA Manual, 06/2019, A5E47600142-AA...
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Page 35: Index
Index Characteristics, 9 Load cell dummy, 11 Compact Operating Instructions, 33 Load pick-up, 11 Customer Support, (Refer to Technical support) Manuals, 33 Design Modifications Grounding cable, 15 correct usage, 7 Dimension drawing, 32, (Dimension drawing) improper, 7 Grounding cable, 32 Mounting surfaces, 11 Dismantling, 25 Dismantling load cells, 25... - Page 36 Index SB-S CA Manual, 06/2019, A5E47600142-AA...