HMS Networks Anybus Wireless Bridge II CAN User Manual
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HMS Networks Anybus Wireless Bridge II CAN User Manual

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ENGLISH
®
™
Anybus
Wireless Bridge II CAN
USER MANUAL
SCM-1202-184
Version 2.0
Publication date 2022-02-23

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Summary of Contents for HMS Networks Anybus Wireless Bridge II CAN

  • Page 1 ENGLISH ® ™ Anybus Wireless Bridge II CAN USER MANUAL SCM-1202-184 Version 2.0 Publication date 2022-02-23...
  • Page 2 The information in this document shall therefore not be construed as a commitment on the part of HMS Networks and is subject to change without notice. HMS Networks makes no commitment to update or keep current the information in this document.

  • Page 3: Table Of Contents

    ® ™ Anybus Wireless Bridge II CAN Table of Contents 1. Preface ..........................1 1.1. About This Document ......................1 1.2. Document Conventions ..................... 1 1.3. Trademarks ........................2 2. Safety ............................ 3 2.1. General Safety ......................... 3 2.2. External Antenna Restrictions ..................... 3 2.3.
  • Page 4 ® ™ Anybus Wireless Bridge II CAN 5.9.9. Bluetooth Settings General ..................36 5.9.10. Bluetooth Settings for PANU Mode ................37 5.9.11. Bluetooth Settings for NAP Mode ................38 5.9.12. Bluetooth LE Settings ....................39 5.9.13. Set Up CAN Communication ..................40 5.9.14.

  • Page 5: Preface

    ® ™ Preface Anybus Wireless Bridge II CAN 1. Preface 1.1. About This Document ® ™ This document describes how to install and configure Anybus Wireless Bridge II CAN For additional documentation and software downloads, FAQs, troubleshooting guides and technical support, please visit www.anybus.com/support.

  • Page 6: Trademarks

    Helpful advice and suggestions. 1.3. Trademarks ® ™ Anybus is a registered trademark and Wireless Bridge II CAN is a trademark of HMS Networks AB. All other trademarks are the property of their respective holders. Page 2 of 72 SCM-1202-184 2.0...

  • Page 7: Safety

    ® ™ Safety Anybus Wireless Bridge II CAN 2. Safety 2.1. General Safety CAUTION This equipment emits RF energy in the ISM (Industrial, Scientific, Medical) band. Make sure that all medical devices used in proximity to this equipment meet appropriate susceptibility specifications for this type of RF energy.

  • Page 8: Preparation

    ® ™ Anybus Wireless Bridge II CAN Preparation 3. Preparation 3.1. Support and Resources For additional documentation and software downloads, FAQs, troubleshooting guides and technical support, please visit www.anybus.com/support. Have the product article number available, to search for the product specific support web page. You find the product article number on the product cover.

  • Page 9: When To Use Bluetooth Or Wlan

    ® ™ When to Use Bluetooth or WLAN Anybus Wireless Bridge II CAN 3.5. When to Use Bluetooth or WLAN Use Bluetooth when: • The wireless link has an Anybus Wireless Bolt or Anybus Wireless Bridge II at both ends. •...

  • Page 10: Installation

    ® ™ Anybus Wireless Bridge II CAN Installation 4. Installation 4.1. Installation Drawing All measurements are in mm. Figure 2. Bridge II CAN Installation drawing Page 6 of 72 SCM-1202-184 2.0...

  • Page 11: Surface Mounting

    ® ™ Surface Mounting Anybus Wireless Bridge II CAN 4.2. Surface Mounting Bridge II CAN can be screw-mounted directly onto a flat surface. Before You Begin NOTE To avoid signal interference, a minimum distance of 50 cm between the devices should be observed. See also Wireless Technology Basics (page 64).

  • Page 12: Din Rail Mounting

    ® ™ Anybus Wireless Bridge II CAN DIN Rail Mounting 4.3. DIN Rail Mounting Using the optional DIN mounting kit, Bridge II CAN can be mounted on a standard DIN rail. See Optional Equipment (page Before You Begin NOTE To avoid signal interference, a minimum distance of 50 cm between the devices should be observed. See also Wireless Technology Basics (page 64).

  • Page 13: Connect To Lan, Can And Power

    ® ™ Connect to LAN, CAN and Power Anybus Wireless Bridge II CAN 4.4. Connect to LAN, CAN and Power Before You Begin CAUTION This equipment is recommended for use in both industrial and domestic environments. For industrial environments it is mandatory to use the functional earth connection to comply with immunity requirements.
  • Page 14 ® ™ Anybus Wireless Bridge II CAN Connect to LAN, CAN and Power Connect the Bridge II CAN to a CAN network and Power. Table 2. Shielded 5-pos A-coded M12 male connector CAN/CANopen/DeviceNet Connector Wire Color Function Drain Connected to shield RD (Red) V+ 24 V Power in BK (Black)

  • Page 15: Configuration

    ® ™ Configuration Anybus Wireless Bridge II CAN 5. Configuration 5.1. Bridge II CAN Built-In Web Interface The Bridge II CAN built-in web interface is used to configure, maintain and troubleshoot the Bridge II CAN. Parameters can be set individually or using pre-configured Easy Config modes. The web interface is accessed by pointing a web browser to the IP address of the unit.

  • Page 16: Access The Built-In Web Interface

    ® ™ Anybus Wireless Bridge II CAN Access the Built-In Web Interface 5.2. Access the Built-In Web Interface 5.2.1. Required IP Address Settings To be able to access the Bridge II CAN built-in web interface you may need to adjust the IP settings, choose one of the following methods.

  • Page 17: Log In To The Built-In Web Interface

    ® ™ Access the Built-In Web Interface Anybus Wireless Bridge II CAN 5.2.2. Log In to the Built-In Web Interface The Bridge II CAN built-in web interface can be accessed from a standard web browsers. Before You Begin IMPORTANT Before installing Bridge II CAN on a network, change the default administrator password. IMPORTANT Before installing the Bridge II CAN on a network, change the Bridge II CAN default username and password.

  • Page 18: To Save And Reboot

    ® ™ Anybus Wireless Bridge II CAN To Save and Reboot Result You are logged in to the System Overiew page. Figure 9. System Overiew page 5.3. To Save and Reboot Cancel Changes To cancel changes you have made to the settings: •...

  • Page 19: Factory Default Settings

    ® ™ Factory Default Settings Anybus Wireless Bridge II CAN 5.4. Factory Default Settings The Bridge II CAN comes with the following factory default settings. Default Network Settings IP Assignment Static IP Address 192.168.0.99 Subnet Mask 255.255.255.0 Default Gateway 192.168.0.99 Internal DHCP Server Disabled DHCP Interfaces...

  • Page 20: Wireless Configuration Via Access Point Unit

    ® ™ Anybus Wireless Bridge II CAN Wireless Configuration via Access Point Unit 5.6. Wireless Configuration via Access Point Unit Configuration of Wireless Bolt and Bridge Clients can be performed wirelessly, via a PC connected to the Wireless Bolt or Bridge Access Point. When connection is established via the wireless interface, the Wireless Bolt or Bridge Client does not need to be connected with an Ethernet cable during configuration.

  • Page 21: Configuration With Easy Config

    ® ™ Configuration with Easy Config Anybus Wireless Bridge II CAN 5.7. Configuration with Easy Config 5.7.1. Available Easy Config Modes Bridge II CAN may be configured using one of the pre-configured Easy Config modes. NOTE By default, the unit starts in Easy Config Mode 4. The unit awaits automatic configuration during 120 seconds or until receiving a configuration.

  • Page 22: Easy Config Modes Time Considerations

    ® ™ Anybus Wireless Bridge II CAN Configuration with Easy Config 5.7.2. Easy Config Modes Time Considerations Table 4. Easy Config modes time considerations Mode Timeout The unit listens for 40 seconds or until a configuration is established. The unit listens for 120 seconds or until receiving a configuration. 5 and 6 The unit scans for 120 seconds, then timeout occur.
  • Page 23 ® ™ Configuration with Easy Config Anybus Wireless Bridge II CAN Activate an Easy Config Mode with the MODE Button Figure 12. Easy Config using the MODE button Power on the unit and wait for the Link Quality LEDs to light up and go out again, then immediately press and release the MODE button.

  • Page 24: Easy Config Using The Mode Button

    ® ™ Anybus Wireless Bridge II CAN Configuration with Easy Config 5.7.4. Easy Config Using the MODE Button In this topic we describe the general procedure for configuring units using the MODE button and Easy Config modes. For specific use case examples, see Use Cases (page 50).
  • Page 25 ® ™ Configuration with Easy Config Anybus Wireless Bridge II CAN To select an Easy Config mode: a. Press MODE repeatedly, to cycle through the Easy Config modes. Figure 14. Select the desired mode b. When the A-B-C-D LED lights indicate the desired Easy Config mode, release the MODE button. Table 5.
  • Page 26 ® ™ Anybus Wireless Bridge II CAN Configuration with Easy Config To add additional units When using Easy Config Mode 5 or 6, up to seven additional Units can be added. NOTE When using Easy Config mode 4, the next unit to be added must be set up within 120 seconds after the first unit was restarted.

  • Page 27: Easy Config Via The Built-In Web Interface

    ® ™ Configuration with Easy Config Anybus Wireless Bridge II CAN 5.7.5. Easy Config via the Built-In Web Interface In this topic we describe the general procedure for configuring units using the MODE button and Easy Config modes. For specific use case examples, see Use Cases (page 50).
  • Page 28 ® ™ Anybus Wireless Bridge II CAN Configuration with Easy Config Click Set. The Easy Config mode is activated immediately. To add additional units When using Easy Config Mode 5 or 6, up to seven additional Units can be added. NOTE When using Easy Config mode 4, the next unit to be added must be set up within 120 seconds after the first unit was restarted.

  • Page 29: Configuration With At Commands

    ® ™ Configuration with AT Commands Anybus Wireless Bridge II CAN 5.8. Configuration with AT Commands Advanced configuration can be carried out by issuing AT commands via the web interface or over a Telnet or RAW TCP connection to port 8080 or over serial interface. Use AT commands to setting advanced parameters, that are not accessible in the Bridge II CAN built-in web interface.

  • Page 30: Enable Fast Roaming With At Commands

    ® ™ Anybus Wireless Bridge II CAN Configuration with AT Commands 5.8.1. Enable Fast Roaming with AT Commands Fast Roaming is only used for Client Mode. Fast Roaming is enabled as default but can be permanently disabled using AT commands. Procedure Enable or Disable Fast Roaming.

  • Page 31: Add Additional Wlan Channels With At Commands

    ® ™ Configuration with AT Commands Anybus Wireless Bridge II CAN 5.8.2. Add Additional WLAN Channels with AT Commands WLAN Channels and World Mode is only used for Client Mode. World Mode can be disabled and additional channels added using AT commands. NOTE When World Mode is disabled and additional channels are used, WLAN communication may take a longer time to establish during startup.

  • Page 32: To Use Bluetooth Le With At Commands

    ® ™ Anybus Wireless Bridge II CAN Configuration with AT Commands For the change to take effect, reboot the Bridge II CAN. Send the Reboot device AT Command: AT*AMREBOOT 5.8.3. To Use Bluetooth LE With AT Commands For information about using Bluetooth LE, refer to the AT Commands Reference Guide or the Help page in the built-in web interface.

  • Page 33: Configure Settings In The Built-In Web Interface

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9. Configure Settings in the Built-In Web Interface 5.9.1. Network Settings Figure 19. Network Settings page Setting Description IP Assignment Select static or dynamic IP addressing (DHCP). IP Address Static IP address for the unit.

  • Page 34: Layer 3 Ip Forward Connectivity Considerations

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface Setting Description Example 3. Start address examples IP Address: 192.168.0.99, Start Address: 101 DHCP range = 192.168.0.101 – 192.168.0.107 IP Address: 192.168.0.103, Start Address: 101 DHCP range = 192.168.0.101 – 192.168.0.108 7 addresses are allocated but the address of the unit is skipped.

  • Page 35: Wlan Settings General

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.3. WLAN Settings General Figure 20. WLAN Settings page Setting Description Enable Enable/disable the WLAN interface. Operating Mode Choose operation as WLAN Client or Access Point. When Access Point is selected, additional settings will be available.

  • Page 36: Wlan Settings For Client

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.4. WLAN Settings for Client Figure 21. WLAN Settings page Connect to settings for Client Setting Description Scan for Networks To scan the selected frequency band(s) for discoverable WLAN networks, click Scan for Networks. Select a network from the drop-down menu to connect to it.

  • Page 37: Wlan Channels And World Mode

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.6. WLAN Channels and World Mode WLAN Channels and World Mode is only used for Client Mode. NOTE The maximum output power will be reduced on some channels depending on regulatory requirements.

  • Page 38: Wlan Settings For Access Point

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.7. WLAN Settings for Access Point Figure 22. WLAN Settings page Connect to settings for Access Point The following settings are specific for Access Point mode: Setting Description Network (SSID)

  • Page 39: Wlan Advanced Settings

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.8. WLAN Advanced Settings Figure 23. WLAN Settings page Advanced Settings Setting Description Bridge Mode Layer 2 tunnel: All layer 2 data will be bridged over WLAN. Use when multiple devices on both sides of an Ethernet network bridge must be able to communicate via WLAN (many-to-many).

  • Page 40: Bluetooth Settings General

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.9. Bluetooth Settings General Figure 24. Bluetooth Settings page General settings Setting Description Enable Enable/disable the Bluetooth interface. Operating Mode PANU (Client): The unit will operate as a Bluetooth PAN (Personal Area Network) User device. It can connect to another single Bluetooth PANU device or to a Bluetooth Network Access Point.

  • Page 41: Bluetooth Settings For Panu Mode

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.10. Bluetooth Settings for PANU Mode Figure 25. Bluetooth Settings page Connect to settings for PANU Mode Setting Description Scan for Devices Scans the network for discoverable Bluetooth devices. To connect to a device, select it from the dropdown menu when the scan has completed.

  • Page 42: Bluetooth Settings For Nap Mode

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.11. Bluetooth Settings for NAP Mode Figure 26. Bluetooth Settings page Bluetooth Settings for NAP Mode Setting Description Bridge Mode Standard: Default mode. Layer 3 IP forward = IP data will be bridged over Bluetooth. This mode must be used when connecting to an Android device over Bluetooth.

  • Page 43: Bluetooth Le Settings

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.12. Bluetooth LE Settings On the Bluetooth Settings page, enable Bluetooth LE. On the Bluetooth LE Settings page, configure the Bluetooth LE settings. Figure 27. Bluetooth LE Settings page Setting Description Operating Mode...

  • Page 44: Set Up Can Communication

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.13. Set Up CAN Communication Figure 28. CAN Settings page CAN Settings Settings Description Operating Mode Select Operation Mode On (Default) or Off. CAN Bitrate Select a CAN Bitrate: 10 kbps, 20 kbps, 50 kbps, 100 kbps, 125 kbps, 250 kbps (Default), 500 kbps, 1000 kbps or Custom.
  • Page 45 ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN Settings Description When Automatic Bus-off is enabled, the recovering sequence automatically starts when the Bridge II CAN enters the Bus-off state. Show Statistics When Show Statistics is selected, current statistics from the CAN bus are displayed below the checkbox. The values are updated every two seconds.

  • Page 46: Calculate Custom Can Bitrate

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.14. Calculate Custom CAN Bitrate When none of the pre-defined bitrates match the connected CAN bus, you can use the Custom CAN bitrate and calculate a bitrate. Figure 29.

  • Page 47: Can Ethernet Protocols

    ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN 5.9.15. CAN Ethernet Protocols SLCAN Protocol Figure 30. CAN Ethernet Protocol, SLCAN SLCAN is an ASCII-based protocol. Each frame follows the following format: [type][id][length][data]\r [type] Type of CAN frame: Standard frame Extended frame Standard remote frame...
  • Page 48 ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface Python-can Library The python-can library supports the SLCAN protocol. The python-can library provides a set of utilities for sending and receiving messages on a CAN bus. For information about the python-can library, refer to https://python-can.readthedocs.io.
  • Page 49 ® ™ Configure Settings in the Built-In Web Interface Anybus Wireless Bridge II CAN Simple Protocol Figure 31. CAN Ethernet Protocol, Simple When using the simple protocol each incoming TCP packet payload will be transparently copied into the data portion of one or more CAN frames. The setting CAN Simple ID is used to configure the identifier used for all sent frames.

  • Page 50: System Settings

    ® ™ Anybus Wireless Bridge II CAN Configure Settings in the Built-In Web Interface 5.9.16. System Settings NOTE Setting a secure password for the unit is strongly recommended. Figure 32. System Settings page Device Info Setting Description Device Name Enter a descriptive name for the unit. Password Enter a password for accessing the web interface.

  • Page 51: Verify Operation

    ® ™ Verify Operation Anybus Wireless Bridge II CAN 6. Verify Operation 6.1. LED Indicators Status Indicators Figure 33. Status LED indicators LED Indication Description No power Green Normal operation WLAN WLAN disabled or no power Blue, blinking Access Point: No clients, awaiting connections Blue Access Point: Connected to at least one Client Client: Connected to Access Point Blue, flickering...
  • Page 52 ® ™ Anybus Wireless Bridge II CAN LED Indicators Link Quality/Mode Indicators The Link Quality/Mode Indicators are used to indicate Bluetooth quality, selected Easy Config mode and update status in Recovery Mode. Figure 34. Link Quality/Mode indicators Table 8. RSSI (WLAN Client) / Link Quality (Bluetooth PANU) Description LED is off LED is off...

  • Page 53: Network Connection Status

    ® ™ Network Connection Status Anybus Wireless Bridge II CAN 6.2. Network Connection Status The System Overview page shows current settings and network connection status. Figure 35. System Overview page example SCM-1202-184 2.0 Page 49 of 72...

  • Page 54: Use Cases

    ® ™ Anybus Wireless Bridge II CAN Use Cases 7. Use Cases 7.1. Bridge II CAN Point-to-Point Installation CAN cable replacement is enabled by using two pieces of Bridge II CAN which creates a wireless bridge for the CAN communication. Figure 36.

  • Page 55: Installing Multiple Bridge Ii Can Units

    ® ™ Installing Multiple Bridge II CAN Units Anybus Wireless Bridge II CAN 7.2. Installing Multiple Bridge II CAN Units Figure 37. Installing Multiple Bridge II CAN When installing more than one Bridge II CAN in the network infrastructure, configure the unit connected to the: •...

  • Page 56: Set Up Wireless Infrastructure

    ® ™ Anybus Wireless Bridge II CAN Set Up Wireless Infrastructure 7.3. Set Up Wireless Infrastructure Connect two or more Bridge II CAN units via WLAN or Bluetooth using Easy Config. Procedure Connecting the Devices Figure 38. CAN bridge Connect Client 1 to a CAN device. See also Connect to LAN, CAN and Power (page Connect Access Point 2 to the Master device.
  • Page 57 ® ™ Set Up Wireless Infrastructure Anybus Wireless Bridge II CAN Connect Client 1 to power. Automatic configuration of the units starts: • Client 1 starts up in Easy Config Mode 4 and is open for automatic configuration during 120 seconds. •...
  • Page 58 ® ™ Anybus Wireless Bridge II CAN Set Up Wireless Infrastructure CAN Configuration Figure 41. CAN port settings From the PC connected to Access Point 2, navigate to the built-in web interface of each Bridge II CAN Client. Select the CAN Settings tab. Configure the CAN port settings, see Set Up CAN Communication (page 40).

  • Page 59: Bridge Ii Can Tcp/Ip Socket Protocol Description

    ® ™ Bridge II CAN TCP/IP Socket Protocol Description Anybus Wireless Bridge II CAN 7.4. Bridge II CAN TCP/IP Socket Protocol Description Figure 42. Bridge data to the Bridge II CAN port The Bridge II CAN may communicate with raw TCP/IP traffic and bridge the data to CAN interface. The Bridge II CAN act as one of the endpoints in the TCP/IP communication.

  • Page 60: Maintenance

    ® ™ Anybus Wireless Bridge II CAN Maintenance 8. Maintenance 8.1. Settings Backup 8.1.1. Create Settings Backup File Figure 43. System page Create Settings Backup • To save the current configuration in a backup file, click Generate. A backup file is automatically downloaded and saved in the Downloads folder on your PC. Page 56 of 72 SCM-1202-184 2.0...

  • Page 61: Restore Settings From Backup File

    ® ™ Settings Backup Anybus Wireless Bridge II CAN 8.1.2. Restore Settings From Backup File IMPORTANT When you restore settings from a backup file, all the current settings are overwritten by the settings loaded from the backup file. Figure 44. Restore Settings from a backup file Restore settings from a backup file Click Choose file.

  • Page 62: Troubleshooting

    ® ™ Anybus Wireless Bridge II CAN Troubleshooting 9. Troubleshooting 9.1. Recovery Mode If the built-in web interface cannot be accessed, the unit can be reset by starting in Recovery Mode and reinstalling the firmware. Before You Begin IMPORTANT Use Recovery Mode only when the unit is unresponsive and the built-in web interface cannot be accessed.

  • Page 63: Reset To Factory Default

    ® ™ Reset to Factory Default Anybus Wireless Bridge II CAN 9.2. Reset to Factory Default IMPORTANT If there is no Ethernet connection available after a factory reset, the Bridge II CAN starts in the default Easy Config Mode 4. Any one of these actions will restore the unit to factory default settings.
  • Page 64 ® ™ Anybus Wireless Bridge II CAN Reset to Factory Default Reset Using Easy Config To reset Bridge II CAN to factory default, execute Easy Config Mode 2. Activate an Easy Config Mode in the Built-In Web Interface (page 18). Reset Using AT Command To reset Bridge II CAN to factory default, issue the AT command AT&F and then restart the unit.

  • Page 65: Technical Data

    ® ™ Technical Data Anybus Wireless Bridge II CAN 10. Technical Data For complete technical specifications and regulatory compliance information, please visit www.anybus.com/support. 10.1. Technical Specifications Order Code AWB3006 AWB3016 Serial interface CAN 2.0A/B (11/29 bit identifier). CAN Bitrate 10 kbps to 1000 kbps freely selectable. Up to 28 freely customizable CAN receive pass-through filters.
  • Page 66 ® ™ Anybus Wireless Bridge II CAN Technical Specifications Order Code AWB3006 AWB3016 Connectors 1x M12 for Ethernet (4-pin, D-coded) 1x M12 for Ethernet (4-pin, D-coded) 1x M12 for Power + CAN 5-pin, A-coded 1x M12 for Power + CAN 5-pin, A-coded RP-SMA antenna connector for external antenna variant Vibration compatibility Sinusoidal vibration test according to IEC 60068-2-6:2007 and with extra severities;...

  • Page 67: Reference Guides

    ® ™ Reference Guides Anybus Wireless Bridge II CAN 11. Reference Guides 11.1. CAN Electrical Connection 11.1.1. CAN Typical Connection Figure 46. CAN Typical Connection SCM-1202-184 2.0 Page 63 of 72...

  • Page 68: Wireless Technology Basics

    ® ™ Anybus Wireless Bridge II CAN Wireless Technology Basics 11.2. Wireless Technology Basics Wireless technology is based on the propagation and reception of electromagnetic waves. These waves respond in different ways in terms of propagation, dispersion, diffraction and reflection depending on their frequency and the medium in which they are travelling.

  • Page 69: Internal Antenna Characteristics

    ® ™ Internal Antenna Characteristics Anybus Wireless Bridge II CAN 11.3. Internal Antenna Characteristics 11.3.1. Internal Antenna Positions Bridge II CAN has three independent quarter wave monopole antennas: • 2.4 GHz MIMO • 5 GHz • 2.4 GHz If using the unit in Bluetooth mode, the 2.4 GHz antenna is used. Figure 48.

  • Page 70: Lab Environment Diagrams

    ® ™ Anybus Wireless Bridge II CAN Internal Antenna Characteristics 11.3.2. Lab Environment Diagrams This topic describe the radiation measurements in different angles. A. Azimuth plane is the horizontal spread of the radiation B. Elevation 90° is the vertical expansion C.
  • Page 71 ® ™ Internal Antenna Characteristics Anybus Wireless Bridge II CAN Azimuth (Horisontal) View Figure 49. Azimuth plane Front View – Elevation (Vertical) Figure 50. Elevation 90° SCM-1202-184 2.0 Page 67 of 72...

  • Page 72: Real World Measurements

    ® ™ Anybus Wireless Bridge II CAN Internal Antenna Characteristics Side View – Elevation (Vertical) Figure 51. Elevation 0° 11.3.3. Real World Measurements Azimuth (Horisontal) View with and without Back Shield This pattern was measured in an outdoor environment, on an open field with no disturbing equipment or radiation.
  • Page 73 ® ™ Internal Antenna Characteristics Anybus Wireless Bridge II CAN In this example, the measurements are made both with and without back shield. A back shield is a metal surface of at least 300x300 mm. The Bridge II CAN is placed in the center of the back shield. The back shield could be any flat metal surface, like a metal plate or a metal cabinet.
  • Page 74 ® ™ Anybus Wireless Bridge II CAN Internal Antenna Characteristics Throughput Diagram The diagram shows how data throughput decreases as the distance increases. Note the huge difference between using a back shield to focus the radio energy, and not using a back shield. Used properly, a back shield can significantly increase radio coverage.
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