Siemens SIWAREX JB Operating Instructions Manual
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Siemens SIWAREX JB Operating Instructions Manual

Siemens SIWAREX JB Operating Instructions Manual

Weighing systems, junction boxes
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Weighing systems
Junction boxes
SIWAREX JB
Operating Instructions
7MH5001-0AC00 (SIWAREX JB stainless steel CN)
06/2023
A5E52904341-AA
Introduction
Safety notes
Description
Application planning
Installing/mounting
Connecting
Service and maintenance
Technical data
Dimension drawings
Ordering of spare parts
1
2
3
4
5
6
7
8
9
10

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Summary of Contents for Siemens SIWAREX JB

  • Page 1 Introduction Safety notes Description Weighing systems Application planning Junction boxes SIWAREX JB Installing/mounting Connecting Operating Instructions Service and maintenance Technical data Dimension drawings Ordering of spare parts 7MH5001-0AC00 (SIWAREX JB stainless steel CN) 06/2023 A5E52904341-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.

  • Page 3: Table Of Contents

    Basic safety instructions ..................... 17 Install the junction box....................... 17 Connecting ............................19 Basic safety instructions ..................... 19 Connecting SIWAREX JB to the electronic weighing system and load cell ......19 Wiring diagrams......................... 20 6.3.1 Load cells with four-wire system..................20 6.3.2...
  • Page 4 Rated conditions ........................ 27 Construction........................27 Electrical specifications ...................... 28 Dimension drawings ..........................29 Dimension drawings stainless steel enclosure..............29 Ordering of spare parts........................31 10.1 Ordering of spare parts ...................... 31 Index ..............................33 SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 5: Introduction

    2. Report any claims for damages immediately to the shipping company. 3. Report any claims for damages immediately to the shipping company. 4. Check the scope of delivery by comparing your order to the shipping documents for correctness and completeness. SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 6: Scope Of Delivery

    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 7: Transportation And Storage

    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 8 Introduction 1.7 Notes on warranty SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 9: Safety Notes

    Observe the information and symbols on the device. Do not remove any information or symbols from the device. Always keep the information and symbols in a completely legible state. Symbol Explanation Consult operating instructions SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 10 Safety notes 2.1 Preconditions for use SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 11: Description

    ① ④⑥ Cover plastic cable gland for the connecting cable of a load cell ② ⑤ Nameplate plastic cable gland for the signal cable to the electronic weighing system ③ Screw for cover (4x) SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 12: Internal View

    Description 3.2 Design 3.2.2 Internal view Figure 3-2 Internal View SIWAREX JB ① Potentiometer [RP1 ... RP4] for the load cells   ② Output terminal for signal cable for weighing electronics ③ Load cell terminals LC1 ... LC4 SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 13: Nameplate

    The nameplate shows the article number and other important product information. Figure 3-3 Example nameplate with general information ① ⑤ Manufacturer Place of manufacture ② ⑥ Protection class Serial number ③ ⑦ Consult operating instructions Article number ④ ⑧ Manufacturer's address Product name SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 14 Description 3.3 Nameplate SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 15: Application Planning

    Application planning Cable glands The SIWAREX JB stainless steel CN junction box is equipped with plastic cable glands as standard. The connecting cables of the load cells are fed into the enclosure through plastic cable glands. The shielding is attached to screw terminals. If electromagnetic interference from the load cell cables is expected in the system, the plastic cable glands can be replaced with EMC cable glands.
  • Page 16 Application planning 4.1 Cable glands SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 17: Installing/Mounting

    The cover is open. Procedure 1. Prepare the installation location. 2. Set the holes according to the dimension drawings (Dimension drawings (Page 29)) 3. Screw the junction box securely to the wall with four screws. SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 18 Installing/mounting 5.2 Install the junction box SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 19: Connecting

    20 °C (36 °F). • Before taking the device into operation, let the device adapt for several hours in the new environment. Connecting SIWAREX JB to the electronic weighing system and load cell 1. Open the cover of the SIWAREX JB.

  • Page 20: Wiring Diagrams

    5. Close any unused opening in the enclosure with a blanking plug. 6. Close the cover of the SIWAREX JB according to the tightening torque. Wiring diagrams 6.3.1 Load cells with four-wire system Figure 6-1 Cable shield of the signal cable connected to shield terminal SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 21: Load Cells With Six-Wire System

    3. Insert the stripped load cell cable into the square opening of the screw terminal as far as it will 4. Tighten the screws with the specified tightening torque. Result The tightened screw firmly holds the stripped wire and establishes the contact. SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 22: When Is Corner Load Adjustment Necessary

    The corner load errors can be electrically compensated. This is done by matching the individual measured values to the smallest measured value by changing the values of the potentiometers RP1 to RP4 (see Internal view (Page 12)). SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 23 +SIG and -SIG in turn, adjust each corresponding potentiometer so that the multimeter shows 4.545KΩ, after that adjust all the corresponding potentiometer one by one to the center position (factory default). SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 24 Connecting 6.6 General procedure for corner load adjustment SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 25: Service And Maintenance

    Further information about devices containing batteries can be found at: Siemens Support (https://support.industry.siemens.com/cs/document/ 109479891/) Note Special disposal required The device includes components that require special disposal. • Dispose of the device properly and environmentally through a local waste disposal contractor. SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 26 Service and maintenance 7.1 Disposal SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 27: Technical Data

    Technical data Rated conditions SIWAREX JB is simple electrical equipment according to EN 60079-11 and can be used inintrinsically safe circuits including in hazardous areas. The connection board of SIWAREX JB meets the requirements for disconnecting intrinsically safe circuits: Clearances and creepage distances: >...

  • Page 28: Electrical Specifications

    At least 4 mm² (function earth cable) Use Copper, Copper-Clad Aluminum, or Aluminum Conductors Electrical specifications Variable Value Rated voltage Max. 400 V AC 5V-12V DC Load current Max. 13.5 V AC 137mA 12V DC SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 29: Dimension Drawings

    Dimension drawings Dimension drawings stainless steel enclosure SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 30 Dimension drawings 9.1 Dimension drawings stainless steel enclosure Figure 9-1 Dimension drawing stainless steel SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 31: Ordering Of Spare Parts

    5. Select a spare part and add it to your watch list. The watch list opens. 6. Click "Add to cart of Industry Mall". The Siemens Industry Mall opens and you can order your spare part. SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 32 Ordering of spare parts 10.1 Ordering of spare parts SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

  • Page 33: Index

    Index Corner load adjustment, 22 Disposal, 25 Document history, 5 Scope of delivery, 5 Warranty, 7 SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...
  • Page 34 Index SIWAREX JB Operating Instructions, 06/2023, A5E52904341-AA...

Table of Contents