Elpro Technologies 245U-E Bedienungsanleitung

ELPRO, 9/12 Billabong Street, Stafford QLD, 4053, Australia.

Tel: +61 7 33528600 Fax: +61 7 33528677 Email: [email protected]

Web: www.elprotech.com

ELPRO Technical Support Help-line America (866) 7134409 Rest of the world +617 3352 8624

Version 1.8.1

245U-E Wireless Ethernet

Modem & Device Server

User Manual

245U-E Wireless Ethernet User Manual

Page 2 Dec 2011

ATTENTION!

Incorrect termination of supply wires may

cause internal damage and will void warranty.

To ensure your 245U-E enjoys a long life,

double check ALL your connections with the

user manual before turning the power on.

CAUTION:

To comply with FCC RF Exposure requirements in section 1.1310 of the FCC Rules, antennas used with this

device must be installed to provide a separation distance of at least 20 cm from all persons to satisfy RF

exposure compliance.

DO NOT:

Operate the transmitter when someone is within 20 cm of the antenna

Operate the transmitter unless all RF connectors are secure and any open connectors are properly

terminated.

Operate the equipment near electrical blasting caps or in an explosive atmosphere

All equipment must be properly grounded for safe operations. All equipment should be serviced only by a qualified

technician.

Chapter One 245U-E Wireless Ethernet

Man_245UE_V1.8.1.docx Page 3Page 3

FCC NOTICE:

This device complies with Part 15.247 of the FCC Rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference and

2. This device must accept any interference received, including interference that may cause undesired

operation.

This device must be operated as supplied by ELPRO Technologies. Any changes or modifications made to the

device without the written consent of ELPRO Technologies may void the user’s authority to operate the device.

End user products that have this device embedded must be installed by experienced radio and antenna personnel, or

supplied with non-standard antenna connectors, and antennas available from vendors specified by ELPRO. Please

contact ELPRO for end user antenna and connector recommendations.

Part 15 –This device has been tested and found to comply with the limits for a Class B digital device, pursuant to

Part15 of the FCC rules (Code of Federal Regulations 47CFR Part 15). Operation is subject to the

condition that this device does not cause harmful interference.

Notice –Any changes or modifications not expressly approved by ELPRO could void the user’s authority to

operate this equipment.

THIS DEVICE SHOULD ONLY BE CONNECTED TO PCS THAT ARE COVERED BY EITHER FCC

DOC OR ARE FCC CERTIFIED.

NOTICES: SAFETY

Exposure to RF energy is an important safety consideration. The FCC has adopted a safety standard for human

exposure to radio frequency electromagnetic energy emitted by FCC regulated equipment as a result of its actions

in Docket 93-62 and OET Bulletin 65 Edition 97-01.

UL NOTICE:

1. The Wireless Ethernet module is to be installed by trained personnel / licensed electricians only and

installation must be carried out in accordance with the instructions listed in the Installation Guide and

applicable local regulatory codes.

2. The units are intended for Restricted Access Locations.

3. The Wireless Ethernet module is intended to be installed in a final enclosure, rated IP54, before use

outdoors.

4. The Equipment shall be powered using an external Listed Power Supply with LPS outputs or a Class 2

Power Supply.

5. The Wireless Ethernet module must be properly grounded for surge protection before use.

6. If installed in a hazardous environment coaxial cable shall be installed in a metallic conduit

245U-E Wireless Ethernet User Manual

Page 4 Dec 2011

IMPORTANT NOTICE

ELPRO products are designed to be used in industrial environments, by experienced industrial engineering

personnel with adequate knowledge of safety design considerations.

ELPRO radio products are used on unprotected license-free radio bands with radio noise and interference. The

products are designed to operate in the presence of noise and interference, however in an extreme case, radio noise

and interference could cause product operation delays or operation failure. Like all industrial electronic products,

ELPRO products can fail in a variety of modes due to misuse, age, or malfunction. We recommend that users and

designers design systems using design techniques intended to prevent personal injury or damage during product

operation, and provide failure tolerant systems to prevent personal injury or damage in the event of product failure.

Designers must warn users of the equipment or systems if adequate protection against failure has not been included

in the system design. Designers must include this Important Notice in operating procedures and system manuals.

These products should not be used in non-industrial applications, or life-support systems, without consulting

ELPRO first.

1. A radio license is not required in some countries, provided the module is installed using the aerial and

equipment configuration described in the 245U-E Installation Guide. Check with your local distributor

for further information on regulations.

2. Operation is authorized by the radio frequency regulatory authority in your country on a non-protection

basis. Although all care is taken in the design of these units, there is no responsibility taken for sources of

external interference. Systems should be designed to be tolerant of these operational delays.

3. To avoid the risk of electrocution, the aerial, aerial cable, serial cables and all terminals of the 245U-E

module should be electrically protected. To provide maximum surge and lightning protection, the module

should be connected to a suitable earth and the aerial, aerial cable, serial cables and the module should be

installed as recommended in the Installation Guide.

4. To avoid accidents during maintenance or adjustment of remotely controlled equipment, all equipment

should be first disconnected from the 245U-E module during these adjustments. Equipment should carry

clear markings to indicate remote or automatic operation. E.g. "This equipment is remotely controlled and

may start without warning. Isolate at the switchboard before attempting adjustments."

5. The 245U-E module is not suitable for use in explosive environments without additional protection.

6. The 245U-E Operates using the same Radio frequencies and communication protocols as commercially

available off-the shelf equipment. If your system is not adequately secured, third parties may be able to

gain access to your data or gain control of your equipment via the radio link. Before deploying a system

make sure you have considered the security aspects of your installation carefully.

RELEASE NOTICE:

This is the December 2011 release of the 245U-E Ethernet Modem User Manual version 1.8.1 which applies to

version 2.0 Modem firmware.

Chapter One 245U-E Wireless Ethernet

Man_245UE_V1.8.1.docx Page 5Page 5

Limited Lifetime Warranty, Disclaimer and Limitation of Remedies

ELPRO products are warranted free from manufacturing defects for the ―serviceable lifetime‖ of the product. The

―serviceable lifetime‖ is limited to the availability of electronic components. If the serviceable life is reached in

less than three years following the original purchase from ELPRO, ELPRO will replace the product with an

equivalent product if an equivalent product is available.

This warranty does not extend to the following:

Failures caused by the operation of the equipment outside the particular product's specification, or

Use of the module not in accordance with this User Manual, or

Abuse, misuse, neglect or damage by external causes, or

Repairs, alterations, modifications undertaken other than by an authorized Service Agent.

ELPRO liability under this warranty is limited to the replacement or repair of the product. This warranty is in lieu

of and exclusive of all other warranties. This warranty does not indemnify the purchaser of products for any

consequential claim for damages or loss of operations or profits and ELPRO is not liable for any consequential

damages or loss of operations or profits resulting from the use of these products. ELPRO is not liable for damages,

losses, costs, injury or harm incurred as a consequence of any representations, warranties or conditions made by

ELPRO or its representatives or by any other party, except as expressed solely in this document.

GNU FREE DOCUMENTATION LICENCE:

ELPRO Technologies is using a part of Free Software code under the GNU General Public License in operating the

―245U-E ‖ product. This General Public License applies to most of the Free Software Foundation’s code and to any

other program whose authors commit by using it. The Free Software is copyrighted by Free Software Foundation,

Inc. and the program is licensed ―As is‖ without warranty of any kind. Users are free to contact Elpro Technologies

at the following Email Address: sales@elprotech.com for instructions on how to obtain the source code used in the

―245U-E‖.

A copy of the license is included in the section entitled "GNU Free Documentation License".

245U-E Wireless Ethernet User Manual

Page 6 Dec 2011

CONTENTS

CHAPTER 1 INTRODUCTION....................................................................................................................9

1.1 NETWORK TOPOLOGY.................................................................................................................................9

1.2 GETTING STARTED QUICKLY....................................................................................................................12

CHAPTER 2 INSTALLATION...................................................................................................................13

2.0 GENERAL....................................................................................................................................................13

2.1 ANTENNA INSTALLATION...........................................................................................................................13

Antenna Diversity .........................................................................................................................................................14

Line-of-sight installations .............................................................................................................................................14

Antennas .......................................................................................................................................................................14

Installation tips..............................................................................................................................................................15

Dipole and Collinear antennas ......................................................................................................................................16

Directional antennas......................................................................................................................................................16

2.2 POWER SUPPLY ..........................................................................................................................................17

2.3 SERIAL CONNECTIONS...............................................................................................................................17

RS232 Serial Port..........................................................................................................................................................17

DB9 Connector Pinouts.................................................................................................................................................18

RS485 Serial Port..........................................................................................................................................................18

2.4 DISCRETE (DIGITAL)INPUT/OUTPUT........................................................................................................19

CHAPTER 3 OPERATION ......................................................................................................................... 20

3.0 START-UP.................................................................................................................................................... 20

―Access Point‖ Start-up (245U-E-G) ............................................................................................................................20

―Access Point‖ Start-up (245U-E-A) ............................................................................................................................20

―Client‖ Start-up............................................................................................................................................................20

Link Establishment........................................................................................................................................................20

How a Link connection is lost.......................................................................................................................................21

Roaming Clients............................................................................................................................................................21

LED Indication..............................................................................................................................................................21

3.1 SELECTING A CHANNEL............................................................................................................................. 21

802.11b/g (2.4GHz) ......................................................................................................................................................21

802.11a (5GHz).............................................................................................................................................................23

Dynamic Frequency Selection (DFS)............................................................................................................................23

3.2 CONFIGURING THE UNIT FOR THE FIRST TIME ......................................................................................... 24

Default Configuration ...................................................................................................................................................24

Accessing Configuration for the first time ....................................................................................................................24

Method 1 - Set PC to same network as 245U-E............................................................................................................25

Method 2 - Set 245U-E Network address to match the local network...........................................................................26

3.3 QUICK START CONFIGURATION................................................................................................................28

3.4 NETWORK CONFIGURATION...................................................................................................................... 29

Network Settings Webpage Fields ................................................................................................................................30

3.5 SPANNING TREE ALGORITHM....................................................................................................................31

3.6 COMPATIBILITY .........................................................................................................................................32

3 Address (Layer 3 Bridge) & 4 Address Mode .............................................................................................. 32

What Addresses are in a wireless Ethernet data frame? ................................................................................................32

Packets between AP and Client.....................................................................................................................................32

240U-E Compatibility...................................................................................................................................... 32

3.7 SECURITY MENU ........................................................................................................................................33

WEP (64 bit) & (128 bit)...............................................................................................................................................34

Encryption Keys 1 to 4..................................................................................................................................................34

WPA / WPA2................................................................................................................................................................34

WPA Enterprise - Supplicant Configuration.................................................................................................................35

WPA Enterprise - Authenticator Configuration ............................................................................................................35

3.8 NORMAL OPERATION................................................................................................................................. 36

Transparent Bridge Operation.......................................................................................................................................36

Chapter One 245U-E Wireless Ethernet

Man_245UE_V1.8.1.docx Page 7Page 7

Router Operation...........................................................................................................................................................36

3.9RADIO CONFIGURATION............................................................................................................................ 37

Channel Selection..........................................................................................................................................................38

3.10 ADVANCED RADIO CONFIGURATION....................................................................................................39

Fixed Noise Floor..........................................................................................................................................................40

3.11 SERIAL PORT CONFIGURATION ............................................................................................................40

RS-232 PPP Server .......................................................................................................................................................40

Serial Gateway (Server/Client/Multicast) .....................................................................................................................41

Serial Gateway (Modbus - Modbus RTU to TCP)........................................................................................................42

Modbus TCP to RTU Gateway .....................................................................................................................................42

3.12 SERIAL MENU........................................................................................................................................ 43

RS-232 / RS485 Serial Port Configuration (Common to all) ........................................................................................43

RS232 PPP Server (Only RS232)..................................................................................................................................43

RS-232 / RS485 Serial Gateway Mode.........................................................................................................................43

RS-232 / RS485 Modbus TCP/RTU Converter.............................................................................................................44

3.13 MULTICAST PIPE MANAGER.................................................................................................................45

3.14 DIGITAL INPUT/OUTPUT .......................................................................................................................46

3.15 MODBUS I/O TRANSFER........................................................................................................................46

Modbus TCP Configuration on I/O Transfer Menu: .....................................................................................................48

Modbus TCP Client Mappings on I/O Transfer Menu:.................................................................................................49

3.16 ROAMING...............................................................................................................................................49

3.17 REPEATERS (WDS)................................................................................................................................ 51

Example –Extending range using WDS.......................................................................................................... 52

Example - Roaming with WDS Access Points ................................................................................................ 53

Example –Adding Redundancy ...................................................................................................................... 54

Example –WDS Routed Network................................................................................................................... 56

WDS Connections:........................................................................................................................................................58

3.18 ROUTING................................................................................................................................................ 59

3.19 FILTERING............................................................................................................................................61

MAC Address Filter Configuration: ................................................................................................................ 62

IP Address Filter Configuration:...................................................................................................................... 62

ARP Filter Configuration................................................................................................................................. 63

3.20 DHCP CLIENT CONFIGURATION.........................................................................................................63

3.21 DHCP SERVER CONFIGURATION .........................................................................................................64

3.22 DNS SERVER CONFIGURATION.............................................................................................................64

3.23 MODULE INFORMATION CONFIGURATION........................................................................................... 65

Module Information Webpage Fields............................................................................................................................65

3.24 CONFIGURATION EXAMPLES ................................................................................................................66

Setting a 245U-E to Factory Default Settings.................................................................................................. 66

Extending a wired network .............................................................................................................................. 66

Access Point Configuration...........................................................................................................................................66

Client 1 Configuration...................................................................................................................................................66

Client 2 Configuration...................................................................................................................................................66

Connecting two separate networks together .................................................................................................... 67

LAN A Configuration ...................................................................................................................................................67

LAN B Configuration....................................................................................................................................................67

Access Point Configuration...........................................................................................................................................67

Client Configuration......................................................................................................................................................67

Extending range of a network with a Repeater hop ......................................................................................... 68

CHAPTER 4 DIAGNOSTICS...................................................................................................................... 69

4.0 DIAGNOSTICS CHART................................................................................................................................. 69

4.1 CONNECTIVITY........................................................................................................................................... 69

Site Survey....................................................................................................................................................... 70

4.2 CHANNEL SURVEY (UTILISATION) ............................................................................................................71

Channel Utilisation on a Live System:..........................................................................................................................71

245U-E Wireless Ethernet User Manual

Page 8 Dec 2011

Using Channel Utilisation for Channel Selection or RF Path Testing:..........................................................................71

Diagnosing Low Throughput: .......................................................................................................................................71

Solutions for High Channel Utilisation:........................................................................................................................71

4.3 CUSTOM SURVEY........................................................................................................................................73

4.4 THROUGHPUT TEST ...................................................................................................................................75

Internal Throughput Test...............................................................................................................................................75

Throughput and Repeaters ............................................................................................................................................77

4.5 STATISTICS .................................................................................................................................................78

Wireless Statistics .........................................................................................................................................................78

Network Traffic Analysis..............................................................................................................................................79

4.6 SYSTEM TOOLS........................................................................................................................................... 79

4.7 TESTING RADIO PATHS.............................................................................................................................. 80

Iperf Throughput Test ...................................................................................................................................................80

Internal Radio Test........................................................................................................................................................80

4.8 REMOTE CONFIGURATION......................................................................................................................... 82

4.9 INTERNAL DIAGNOSTICS MODBUS REGISTERS.........................................................................................82

Connection Information ................................................................................................................................................82

4.10 UTILITIES...............................................................................................................................................84

―Ping‖............................................................................................................................................................................84

‖Ipconfig‖ .....................................................................................................................................................................85

‖Route‖ .........................................................................................................................................................................85

CHAPTER 5 SPECIFICATIONS................................................................................................................ 87

APPENDIX A FIRMWARE UPGRADE................................................................................................. 89

Web based Upgrade......................................................................................................................................... 89

APPENDIX B GLOSSARY............................................................................................................................90

APPENDIX C CHANNELS....................................................................................................................... 94

802.11b/g ......................................................................................................................................................... 94

802.11b/g Turbo............................................................................................................................................... 94

802.11a –Maximum Radio Transmitter Power............................................................................................... 95

802.11a Turbo - Maximum Radio Transmitter Power..................................................................................... 95

APPENDIX D 802.11A & TX POWER................................................................................................... 96

dB to mWatt Conversion ................................................................................................................................. 96

APPENDIX E EXTERNAL IPERF TEST ................................................................................................... 97

Materials .......................................................................................................................................................................97

Installation.....................................................................................................................................................................97

Iperf Applications..........................................................................................................................................................97

JPerf Application...........................................................................................................................................................99

APPENDIX F GNU FREE DOC LICENCE.............................................................................................. 100

Version 2, June 1991...................................................................................................................................................100

TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION ....................................100

NO WARRANTY.......................................................................................................................................................102

Chapter One 245U-E Wireless Ethernet

Man_245UE_V1.8.1.docx Page 9Page 9

Chapter 1 INTRODUCTION

The 245U-E Industrial 802.11 Wireless Ethernet module provide wireless connections between Ethernet devices

and/or Ethernet wired networks (LAN’s). They each comply with their relevant IEEE 802.11 standard.

The 245U-E is available in a range of different models with different RF power and frequency options suitable for

your country’s local radio regulations.

245U-E-G 802.11 b/g 400mW max power

245U-E-A 802.11 a 400mW max power

The above models have the same functionality but use a different radio to communicate. The different radios do not

communicate with each other, e.g. a 245U-E-G will not communicate with a 245U-E-A. Only modules of the same

type are able to communicate wirelessly to each other.

Throughout this manual, any reference to ―245U-E‖refers to one of the above models.

The 245U-E-G model uses a 2.4GHz Direct Sequence Spread Spectrum (DSSS) wireless transceiver. Users pick a

20 MHz channel with 5 MHz channel spacing from the available 13 starting with the first channel centered on

2.412 GHz. Some limitations depending on country see Appendix C for channel selections.

Note that regulations in North America permit 11 x 2.4GHz channels and Europe permits 13 x 2.4GHz channels.

The 245U-E-A uses a 5 GHz Direct Sequence Spread Spectrum (DSSS) wireless transceiver and users must select

appropriate channel, transmit power, etc allowable in that country.

Please check with your ELPRO representative for the permitted channel usage in your country.

See Appendix C for channels selections.

The 245U-E unit also provides two serial connections as well as the Ethernet connections. It is possible to use all

three data connections concurrently, allowing the 245U-E to act as a Device Server. Wireless connections can be

made between serial devices and Ethernet devices. The 245U-E provides connection functionality between serial

―Modbus RTU‖ devices and Ethernet ―Modbus TCP‖ devices. Appropriate driver applications will be required in

the host devices to handle other protocols.

The 245U-E has a standard RJ45 Ethernet connection which will operate at up to 100Mbit/sec. The module will

transmit the Ethernet messages on the wireless band at rates between 1 and 54 Mbit/sec & 6 and 54 Mbit/sec

depending on model, band, encryption methods and radio paths.

1.1 Network Topology

The 245U-E is an Ethernet device, and must be configured as part of an Ethernet network. Each 245U-E must be

configured as an:

―Access Point‖ or ―Sta‖, ―Station‖,

‖Client‖

―Bridge‖ or ―Router‖.

You can also connect to the 245U-E via a

RS232 or RS485 serial port using serial server

or PPP (point-to-point) protocol. PPP allows

the 245U-E to connect serial communications

into the Ethernet network.

Client

Bridge

Access Point

Bridge

192.168.0.34

LAN

192.168.0.72

Internet

245U-E Wireless Ethernet User Manual

Page 10 Dec 2011

Access Point vs Client

The Access Point unit acts as the ―wireless master‖ unit. The Access Point accepts and authorises links initiated but

client units, and controls the wireless communications.

Clients (Stations) are slave units and when connected to the

Access Point becomes transparent Ethernet link.

The first diagram shows a connection between two Ethernet

devices using 245U-E Ethernet modems. In this example one

245U-E is configured as an Access Point and the other as a

Client.

The second diagram shows an existing LAN being

extended using 245U-E’s. In this example, the Access

Point should be configured at the LAN end - although

the wireless link will still work if the Client is at the

LAN end.

An Access Point can connect to multiple Clients. In this

case, the Access Point should be the ―central‖ unit.

An Access Point could be used as a ―Repeater‖ unit to

connect two 245U-E Clients, which do not have direct

reliable radio paths.

There is no ―Special‖ repeater module, any 245U-E can

be a repeater and at the same time, can be connected to

an Ethernet devices or on a LAN

Multiple Access Points can be set-up in a ―mesh‖ network to provide multiple repeaters.

Client

Ethernet

Device

Access

Point

LAN

Ethernet

Device

Access

Point Client

Ethernet

Device

Client Client

Access Point

LAN

Client Client

Access

Point

LAN

Client

Access

Point Access

Point

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