RadioLinx® Industrial Frequency
Hopping Ethernet Radios
November 19, 2013
USER MANUAL
Your Feedback Please
We always want you to feel that you made the right decision to use our products. If you have suggestions, comments,
compliments or complaints about our products, documentation, or support, please write or call us.
ProSoft Technology ®, ProLinx ®, inRAx ®, ProTalk ®, and RadioLinx ® are Registered Trademarks of ProSoft
Technology, Inc. All other brand or product names are or may be trademarks of, and are used to identify products
and services of, their respective owners.
ProSoft Technology® Product Documentation
In an effort to conserve paper, ProSoft Technology no longer includes printed manuals with our product shipments.
User Manuals, Datasheets, Sample Ladder Files, and Configuration Files are provided on the enclosed CD-ROM in
Adobe® Acrobat Reader file format (.PDFs). These product documentation files may also be freely downloaded from
our web site: www.prosoft-technology.com
Part Number
Max Gain
Part Number
Max Gain
Part Number
Max Gain
A902S-OA
2 dBi
A2424NJ-DB
24 dBi
A2410NJ-DY
10 dBi
A907NJ-OC
7 dBi
A082503-80-OBH
3 dBi
A2415NJ-DY
15 dBi
A908NJ-DY
8 dBi
A911NJ-DY
11 dBi
A2402S-OS
2 dBi
A2402S-OSLP
2 dBi
A2403NBH-OC
3 dBi
A2404NBHW-OC
4 dBi
A2404NJ-OC
4 dBi
A2405S-OA
5 dBi
A2405S-OM
5 dBi
A2505S-OS
5 dBi
A2406NJ-OC
6 dBi
A2406NJ-OCD
6 dBi
A2408NJ-OC
8 dBi
A2409NJ-OCD
9 dBi
A2415NJ-OC
15 dBi
A902NJ-OC
2 dBi
A902S-OA
2 dBi
A903NBH-OC
3 dBi
A903S-OM
3 dBi
A905NJ-OC
5 dBi
A907NJ-OC
7 dBi
A2408NJ-DP
8 dBi
A2413NJ-DP
13 dBi
A2416NJ-DP
16 dBi
A2419NJ-DP
19 dBi
A912NJ-DP
12 dBi
A2419NJ-DB
19 dBi
Important Safety Information
The following Information and warnings pertaining to the radio module must be heeded.
WARNING – EXPLOSION HAZARD – DO NOT REPLACE ANTENNAS UNLESS POWER HAS BEEN SWITCHED
OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.
"THIS DEVICE CONTAINS A TRANSMITTER MODULE, FCC ID: . PLEASE SEE FCC ID LABEL ON BACK OF
DEVICE."
"THIS DEVICE USES AN INTERNAL COMPACT FLASH RADIO MODULE AS THE PRIMARY RADIO
COMPONENT. THE COMPACT FLASH RADIO MODULE DOES NOT HAVE AN FCC ID LABEL. THE COMPACT
FLASH RADIO MODULE HAS NO USER SERVICEABLE PARTS."
"THIS DEVICE COMPLIES WITH PART 15 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."
"CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR
COMPLIANCE COULD VOID THE USER’s AUTHORITY TO OPERATE THE EQUIPMENT."
Industry Canada Requirements
"THIS DEVICE HAS BEEN DESIGNED TO OPERATE WITH AN ANTENNA HAVING A MAXIMUM GAIN OF 24 dB.
AN ANTENNA HAVING A HIGHER GAIN IS STRICTLY PROHIBITED PER REGULATIONS OF INDUSTRY
CANADA. THE REQUIRED ANTENNA IMPEDANCE IS 50 OHMS."
"TO REDUCE POTENTIAL RADIO INTERFERENCE TO OTHER USERS, THE ANTENNA TYPE AND ITS GAIN
SHOULD BE CHOSEN SUCH THAT THE EQUIVALENT ISOTROPICALLY RADIATED POWER (EIRP) IS NOT
MORE THAN THAT REQUIRED FOR SUCCESSFUL COMMUNICATION."
"THE INSTALLER OF THIS RADIO EQUIPMENT MUST INSURE THAT THE ANTENNA IS LOCATED OR
POINTED SUCH THAT IT DOES NOT EMIT RF FIELD IN EXCESS OF HEALTH CANADA LIMITS FOR THE
GENERAL POPULATION; CONSULT SAFETY CODE 6, OBTAINABLE FROM HEALTH CANADA."
RLX-IFHxE Recommended Antennas
Recommended Antennas
Antenna spacing requirements for user safety
It is important to keep the radio's antenna a safe distance from the user. To meet the requirements of FCC part
2.1091 for radio frequency radiation exposure, this radio must be used in such a way as to guarantee at least 20 cm
between the antenna and users. Greater distances are required for high-gain antennas. The FCC requires a
minimum distance of 1 mW *cm2 power density from the user (or 20 cm, whichever is greater).
If a specific application requires proximity of less than 20 cm, the application must be approved through the FCC for
compliance to part 2.1093.
Important Installation Instructions
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D OR non-hazardous locations only.
WARNING – EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN
REMOVED OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.
WARNING – EXPLOSION HAZARD - SUBSTITUTION OF ANY COMPONENTS MAY IMPAIR SUITABILITY FOR
CLASS I, DIVISION 2.
Power must be provided from NEC Class 2 Circuit or a Limited Power Source.
EU Requirements
1. For outdoor use, France has a frequency restriction of 2.4 GHz to 2.454 GHz for an output power greater than 10
mW and below 100 mW.
2. For outdoor use in France, the output power is restricted to 10 mW in the frequency range of 2.454 GHz to 2.4835
GHz.
3. 5.15 GHz to 5.35 GHz is restricted to 200 mW EIRP throughout the European Union.
RadioLinx IFH: FCC Part 15 & Industry Canada Rules
The statements contained in this "Regulatory Approvals" section are required. If the ProSoft Technology, RadioLinx
wireless modem and switches are used as a component of any device, these statements must be a component of
that device’s product documentation.
RadioLinx IFHE: COMPLIANCE STATEMENT
The ProSoft Technology, RadioLinx devices comply with Part 15 of the FCC Rules as well as Industry Canada Rules.
Operation is subject to the following two conditions:
This device may not cause harmful interference, and,
This device must accept any interference received, including interference that may cause undesired operation.
In Canada, this device is to be operated indoors only and away from windows to provide maximum shielding and to
prevent radio interference to the Canadian licensed service. Equipment (or its transmit antenna) that is installed
outdoors in Canada is subject to licensing.
Note: The ProSoft Technology, RadioLinx module is labeled with an FCC ID number and a Canadian Certification
Number. If this label is not visible when installed in an end-device, the outside of the device MUST also display a
label referring to the enclosed RadioLinx. Use wording on the label similar to the following:
RLX-IFH9E: "Transmitter Module FCC ID: NS906P21, Canada 3143AO6P21"
RLX-IFH24E: "Transmitter Module FCC ID: IC NS907P23, Canada 3143AO7P23"
OR
RLX-IFH9E: "This device contains Transmitter Module FCC ID: NS906P21, Canada 3143AO6P21"
RLX-IFH24E: "This device contains Transmitter Module FCC ID: NS907P23, Canada 3143AO7P23"
WARNING: Changes or modifications to this radio module not expressly approved by its manufacturer, ProSoft
Technology, may void the user’s authority to operate the equipment.
ANSI/ISA
CSA
ATEX
UL/cUL; Class 1, Div 2
CSA/CB
FCC/IC
ETSI
Agency Approvals & Certifications
Wireless Approvals
Visit our web site at www.prosoft-technology.com for current wireless approval information.
Hazardous Locations
Ordinary Locations
Agency Approvals & Certifications
Wireless Approvals
Visit our website at www.prosoft-technology.com for current wireless approval information.
RLX-IFHE ♦ RadioLinx Industrial Wireless Contents
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
Contents
Your Feedback Please ........................................................................................................................ 2
How to Contact Us .............................................................................................................................. 2
5.2.5 Disclaimer of all Other Warranties ........................................................................ 105
5.2.6 Limitation of Remedies ** ..................................................................................... 106
5.2.7 Time Limit for Bringing Suit ................................................................................... 106
5.2.8 No Other Warranties ............................................................................................. 106
5.2.9 Allocation of Risks ................................................................................................ 106
5.2.10 Controlling Law and Severability .......................................................................... 106
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RLX-IFHE ♦ RadioLinx Industrial Wireless Contents
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
Index 107
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Contents RLX-IFHE ♦ RadioLinx Industrial Wireless
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
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RLX-IFHE ♦ RadioLinx Industrial Wireless Guide to the RLX-IFHE User Manual
Function
Section to Read
Details
Introduction
(Must Do)
Start Here (page 12)
This section introduces the customer to the
module. Included are: package contents,
system requirements, hardware installation, and
basic configuration.
Configuring the Radios
Set Up the Network
(page 24)
Set Up the Master
Radio (page 35)
Add Remote Radios
and Repeaters
(page 40)
Save the Radio
Configuration (page
39)
This section describes the procedure for
designing and configuring a network of RLXIFHE radios.
Installing the Radios
Radio Hardware
(page 56)
Connecting
antennas (page 56)
Connecting Radios
to a Device Network
(page 58)
This section describes how to install the radio
hardware, connect antennas, and connect the
radios to networked devices.
Diagnostic and
Troubleshooting
Verify
Communication
(page 50)
Diagnostics and
Troubleshooting
(page 67, page 68)
This section describes how to verify
communications with the network. Diagnostic
and Troubleshooting procedures.
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1 Start Here
1.1 About the RadioLinx Industrial Frequency Hopping Radios
1.1.1 Product Specifications - RLX-IFH9E
The RLX-IFH9E provides powerful and secure wireless Ethernet communications
and is well suited for demanding, long-range (up to 30+ miles) SCADA and other
Ethernet applications in tough environments. Operating in the license-free 900
MHz band, the RLX-IFH9E penetrates foliage and walls / ceilings better than
higher frequency radios. The RLX-IFH9E is user configurable as a master,
repeater and remote radio and employs the 128 bit AES encryption algorithm
approved by the United States government for top secret information.
RLX-IFH9E radios are quickly and easily configured using the included, graphical
ControlScape software. An OPC server software is also included and allows
users to monitor radio network health with any OPC client based HMI software.
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Frequency
902 MHz to 928 MHz
Protocols
All standard IEEE 802.3 protocols
Security
128 bit AES encryption
Network Topology
Point-to-point, point-to-multipoint, store and forward
repeater
Error Detection
32 bit CRC, ARQ (Automatic Resend Query)
Radio Type
Frequency Hopping Spread Spectrum
Transmit Power
(Programmable)
100 mW to 1 W (Programmable)
20 dBm to 30 dBm (Programmable)
Channel data rates
1.1 Mbps or 345 kbps (Programmable)
Receiver Sensitivity
(Typical)
1.1 Mbps: -98 dBm @ 10-6 BER
345 kbps: -106 dBm @ 10-6 BER
Outdoor Range
30+ miles pt-pt with high gain directional antennas and RF
line-of-sight
Enclosure
Extruded aluminum with DIN and panel mount
Size
117 x 112 x 41 mm / 4.6 x 4.4 x 1.6 inches (W x H x D)
RS-232, DB9/ RS-422 and RS-485
300 bps to 230 kbps
Antenna Ports
(1) RP-SMA connector
Weight
1.0 lbs (454 g)
Operating Temp
-40°F to 149°F (–40°C to +65°C)
Humidity
Up to100% RH, with no condensation
Vibration
IEC 60068-2-6 (20g, 3-axis)
Shock
IEC 60068-2-27 (5g, 10 Hz to 150 Hz)
External Power
9 Vdc to 24 Vdc
Power Consumption
12 W peak
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1.1.2 Product Specifications - RLX-IFH24E
The RLX-IFH24E provides powerful and secure wireless Ethernet
communications and is well suited for demanding, long-range (up to 15+ miles)
SCADA and other Ethernet applications in tough environments. Operating in the
internationally license-free 2.4 GHz band, the RLX-IFH24E offers an alternative
when 900 MHz radios cannot be used due to government regulations, band
saturation, or customer preference. The RLX-IFH24E is user configurable as a
master, repeater and remote radio and employs the 128 bit AES encryption
algorithm approved by the United States government for top secret information.
RLX-IFH24E radios are quickly and easily configured using the included,
graphical ControlScape software. An OPC server software is also included and
allows users to monitor radio network health with any OPC client based HMI
software.
Radio Specifications
Hardware Specifications
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Start Here RLX-IFHE ♦ RadioLinx Industrial Wireless
Qty.
Part Name
Part Number
Part Description
1
RLX-IFHE Radio
RLX-IFHE
RadioLinx® Industrial Frequency Hopping
Ethernet Radios
1
Cable
085-1007
DB9 M/F, 6 foot Straight Thru Serial Cable
1
Cable
Cable #15, RS232
For RS232 Connection to the CFG Port
1
Cable
RL-CBL025
5-foot Ethernet Straight-Thru Cable (Gray)
1
Cable
RL-CBL024
5-foot Ethernet Crossover Cable (Red)
1
Antenna
A2502S-OA
A902S-OA
2dBi Omni Articulating Antenna (RLXIFH24E)
2dBi Omni Articulating Antenna (RLXIFH9E)
1
Power Supply
RL-PS007-2
AC Power Adapter, 12V1.6A w/2 pin & 4
plug Set
1
ProSoft Solutions CD
Contains sample programs, utilities and
documentation for the RLX-IFHE module.
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
1.2 Package Contents
The following components are included with your RLX-IFHE radio, and are all
required for installation and configuration.
Important: Before beginning the installation, please verify that all of the following
items are present.
If any of these components are missing, please contact ProSoft Technology
Support for replacement parts.
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RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1.3 System Requirements
The following system requirements are the recommended minimum
specifications to successfully install and run ControlScape FH:
Microsoft Windows compatible PC
Windows 2000 with Service Pack 2 or higher, or Windows XP Professional
with Service Pack 2 or higher, or Windows 2003.
300 mHz Pentium processor (or equivalent)
128 megabytes of RAM
20 megabytes of free disk space
Ethernet hub with standard RJ45 Ethernet cable
or
Ethernet port with RJ45 crossover cable for direct connection to module
In addition, you will need
A connection to an existing wired or wireless Ethernet network, with a Static
or Dynamic IP address for your computer
Static IP address, Subnet Mask and Gateway address for each RadioLinx
device you plan to install. Obtain this information from your system
administrator.
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User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
1 Insert the ProSoft Solutions CD in your CD-ROM drive. On most computers,
a menu screen will open automatically. If you do not see a menu within a few
seconds, follow these steps:
a Click the Start button, and then choose Run.
b In the Run dialog box, click the Browse button.
c In the Browse dialog box, click "My Computer". In the list of drives,
choose the CD-ROM drive where you inserted the ProSoft Solutions CD.
d Select the file prosoft.exe, and then click Open.
e On the Run dialog box, click OK.
2 On the CD-ROM menu, select Setup Software under RLX-FH Frequency
Hopping. This action opens the Setup Wizard for ControlScape FH.
3 Follow the instructions on the installation wizard to install the program with its
default location and settings.
4 When the installation finishes, you may be prompted to restart your computer
if certain files were in use during installation. The updated files will be
installed during the restart process.
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RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1.5 Planning the Network
Before you configure and install the network, you should create a plan for it. To
begin, determine where you need radios and then choose locations for them
accordingly. For example, you might decide to install your master radio near a
PC in a central plant location (You can use the PC to configure the radios
through ControlScape FH). If the plant is an oil refinery, for example, you might
decide to install radios near the oil tanks.
The following illustration shows how a radio network of RLX-IFH24E radios could
be deployed to connect a variety of PLCs using a variety of industrial protocols.
You could deploy a similar network of RLX-IFH9E radios.
The next important issue is how to link the radios. Unless the radios are very
close together, you must make sure that each pair of radio antennas in the
network has a line of sight between them. In other words, you must be able to
see from one antenna to another, either with the naked eye or binoculars.
If a line of sight does not exist between antennas, you must choose a site for
installing a repeater radio, which will create a bridge between the radio antennas.
As part of your planning, you may need to conduct a site survey. ProSoft
Technology can perform this survey, you can do it yourself, or you can hire a
surveyor.
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How many radios in your network?
Static IP Address, Subnet Mask and Gateway
addresses for each RadioLinx device
Connection to an existing wired or wireless Ethernet network, either
directly from the PC, or through an Ethernet switch or hub
Master ID
Repeater ID
Remote ID
Locations
Is there a Line of Sight between them?
Selected the appropriate antennas for your network?
What type of network protocols do you need to
support?
What type of cable connections do your network
devices require?
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
The simplest way to design the physical network of radios, antennas, connectors,
cables, amplifiers and other accessories, is to use ProSoft Wireless Designer
(page 21). This application determines your hardware needs based on your
answers to a few questions, and then generates a Bill of Materials specifying all
the components you will need for your installation.
Consider printing your network plan from ProSoft Wireless Designer for
references as you configure your network in ControlScape FH.
Protect radios from direct exposure to weather, and provide an adequate, stable
power source. Make sure that your plan complies with the radio’s power
requirements (page 56) and cable specifications (page 59, page 16, page 38,
page 17).
Important: Radios and antennas must be located at least 8 inches (20 cm) away
from personnel.
1.5.1 Installation Questions
Answer the following questions to make your installation easier, and to familiarize
yourself with your system and what you want to do.
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RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1.5.2 ProSoft Wireless Designer
ProSoft Wireless Designer simplifies the task of specifying a ProSoft Wireless
installation, and provides a variety of views containing an accurate description of
each site in a wireless network, including:
Visual diagram of site layout
Location (latitude/longitude, based on GPS coordinates)
Radio type, frequency range, and country-specific channel and power
requirements
Length, type and estimated signal loss for cables
Required accessories, including lightning protection, cable adaptors and
antennas
Complete parts list
Use ProSoft Wireless Designer when conducting a site audit for a customer, and
then provide the customer with a complete list of components and a detailed
description for each site and link. Customers can use this information to
understand and visualize their network, and provide necessary information for
technical support and maintenance.
Contains a database of all currently available RadioLinx radios, antennas,
cables, connectors and accessories
Exports Parts List, Site and Link Details, and Wizard settings into a variety of
common file formats, for import into applications such as spreadsheets,
databases and word processors
Checks wireless link feasibility based on path length and recommended
accessories
Predicts signal strength based on distance, local regulations and hardware
choices
Fully documents your ProSoft Wireless network plan
Functional Specifications
The ProSoft WirelessN Discovery Tool supports the following network discovery
and monitoring activities:
Discover and view the list of radios in the network
Display graphically the current network topology and display parent-child links
between various radios in the network
Scan the network on demand
Save and load network snapshots
Upload and download configuration files to/from radio devices
Upgrade Radio firmware
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User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
System Requirements
ProSoft WirelessN Discovery Tool is designed for computers running Microsoft
Windows and Microsoft .NET Framework version 3.0 or newer.
Minimum hardware requirements are:
400 MHz or faster Pentium PC
128 MB RAM
CD-ROM drive
280 MB available hard drive space
The Microsoft .NET Framework version 3.0 is not supported on Windows 95,
Windows NT 4, or Windows 3.x.
It is highly recommended for all platforms that you upgrade to the latest Windows
Service Pack and install all critical updates available from Microsoft to ensure the
best compatibility and security.
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RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
1.6 Configuring the Radios
Configuration of your RLX-IFHE radios consists of the following steps:
Start ControlScape FH (page 23)
Plug In the Cables (page 38)
Set Up the Network (page 24)
Set Up the Master Radio (page 35)
Add Remote Radios (page 40)
Add Repeaters (page 41)
Graphically Define the RF link (page 43)
Save the Network Configuration (page 45)
Save the Radio Configuration (page 39)
1.6.1 Start ControlScape FH
You will use an application (software program) called ControlScape FH to
configure the RLX-IFHE radios and the radio network. If you have not already
installed ControlScape FH, please do so now. Refer to Install ControlScape FH
Configuration Software (page 18) for information on how to install the program.
To start ControlScape
1 Click the Start button, and then choose Programs
2 In the Programs menu, navigate to the ProSoft Technology folder, and then
choose RadioLinx ControlScape FH.
3 Allow a few moments for the program to load. When the program has finished
loading, you will see a screen like this:
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User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
1.6.2 Set Up the Network
From the ControlScape FH Main Menu, select: Configure
oNew Network
A Network Properties dialog box is displayed where the basic parameters of the
new network are defined. The items on this dialog box depend on what type of
radio you select. The following example shows a RadioLinx IFHE (Industrial
Frequency Hopping Ethernet) radio.
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RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
Network Types - IFH Radios
Note: Available network types depend on the type of radio you are configuring.
Not all network types are available on all radios. Only the SSE and PTP network
types can be chosen for new networks. ControlScape still supports all of the
legacy network types for users with networks of those types. The SSE type is
replacing those networks as it provides the flexibility of the E2E and P2P network
types with the performance of the PMP network type or better.
IFH Radios
P2P - Peer to Peer (page 27)
PMP - Point to Multipoint (page 28)
E2E - Everyone to Everyone (page 28)
PTP - Point to Point (page 30)
SSE - Smart Switched Ethernet (page 33)
Note: There is only one Master radio for each network.
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User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
SNMP Interface
The RLX-IFHxE radios also support the Simple Network Management Protocol
(SNMP). This interface can be used to get status information or configure the
radio using a third party SNMP client. The radio acts as a server to respond to
requests sent by the user. The standard method for providing the set of possible
data that can be retrieved and settings that can be modified is through a specially
formatted text file with the extension .MIB. The MIB file for the RLX-IFHxE radios
is located on the CD that ships with your product and on the ProSoft webpage for
the RLX-IFHxE product.
SNMP uses a series of numbers separated by a decimal point to indicate the
unique value that is being accessed. These are called Object Identifiers (OIDs).
While the SNMP standard specifies certain generic OIDs, the most useful are
usually the custom OIDs for a product. The information in the MIB file describes
the custom OIDs to which the RLX-IFHxE SNMP server will respond. This
information includes the OID number and name, whether that OID is read-only or
read/write, the type of the value that this OID will retrieve or can be set, and
sometimes information about what that value means. The file is setup
hierarchically with groups of OIDs contained within a higher level OID. Each OID
specifies a higher order name and a number. The higher order name identifies
the series of numbers before the final number. The full OID would then be that
series along with the number specified in the OID description.
This is an example entry:
radioOperationMode OBJECT-TYPE
SYNTAX INTEGER { master(0), repeater(1), remote(2) }
ACCESS read-write
STATUS mandatory
DESCRIPTION "Radio Operation Mode: 0 - Master 1 -
Repeater 2 - Slave."
::= { radioConfig 2 }
radioOperationMode is the name of the OID.
The values it accepts and returns is an INTEGER. The valid values of the
integer are 0, 1, and 2 which have a meaning of master, repeater, and remote
respectively.
This OID allows both read and write capability.
The last line specifies the OID number series. radioConfig is the higher level
OID to which radioOperationMode belongs. 2 is the number for this OID
within the radioConfig group. The radioConfig group is described in a
different entry.
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SNMP Parameter
Value
Read Only Community Name
Public
Write Community Name
Private
SNMP v3 Username
Prosoft
SNMPv3 Password
Password
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
The SNMP standard provides a special OID group for custom OIDs. This special
OID group is named ‘enterprises’. The MIB file only contains OIDs within this
group. The MIB file, while legible to humans, is organized for use by a program
and can be difficult to follow by just looking at the contents of the file. This is due
to the fractured format of the information. As in the example, if you want to
determine an OID number series, you look at the OID specification for the entry,
but it only gives you the number of the last digit. To complete the number series,
it would require finding each levels entry and value one at a time in the MIB (or in
the SNMP standard, for OID numbers at the enterprises level or higher).
In addition to the OIDs, there are a couple of parameters that are necessary in
order to successfully communicate with the radio over SNMP. For SNMPv1 there
are community names that are required to access the RLX-IFHxE over
SNMP. For SNMPv3, a username and password are required. See the following
table for this information.
Peer to Peer Networks
Peer-to-Peer (P2P) supports communication (through the Master) between two
or more remote units. Each radio can be configured to send its messages to one
other radio, or to broadcast to all radios in the network.
In the following illustration, the master radio is configured to broadcast to both
radios. Each remote radio is configured to send data back to the master.
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User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
Point to Multipoint Networks
Point to Multipoint configuration creates the network to broadcast data from the
Master radio to the other radios in the network. All of the other radios return their
data to the Master radio.
A Point to Multipoint network is well suited for a polled network such as Modbus
RTU, DF1 or Modbus TCP/IP. Communications from remote radios is directed
back to master radio. Master radio broadcasts to all other radios.
In the following illustration, the Master radio is configured to broadcast data to
Radios 2, 3 and 4.
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Everyone to Everyone Networks
Everyone-to-Everyone (E2E) configuration creates a network where all units
communicate with all other units, through the Master. Note that this mode is very
bandwidth-intensive, because all data is transmitted to all radios.
In the following illustration, each radio broadcasts to all the other radios.
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Point to Point Networks
Point-to-Point configuration transfers data between two radios (points) in the
network. In the network shown below, the Master Radio and Radio 4 transfer
data between each other. Radios 2 and 3 only act as bridges to get the data
between them.
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Serial Protocol Encapsulation
The RadioLinx RLX-IFHE contains its own IP protocol stack that is configured
with a local area network IP address. The radios are configured to send to and
receive from a socket interface. A serial message is encapsulated into an
Ethernet packet and is delivered to the socket, where the serial server extracts
the serial data stream from the Ethernet packets and outputs it to the RS-232
serial port. Bi-directional serial communication is supported in some modes.
Legacy serial-only HMI software can be used with Ethernet by installing a thirdparty COM port redirection driver on the host computer. The redirection driver
provides the client services to establish and maintain a TCP socket connection
with the serial server while simulating a PC COM port to the HMI application.
Click the Radio Configuration button on the Radio Configuration dialog box to
configure encapsulation settings.
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The RLX-IFHE radio supports the following serial encapsulation protocols.
TCP Client - Serial data is encapsulated into a TCP packet. This radio will
initiate a communication with a TCP server, either another radio or another
device. TCP can be more reliable than UDP, but uses more bandwidth.
TCP Server - Radio receives data from a TCP Client. TCP can be more
reliable than UDP, but uses more bandwidth.
TCP Client/Server - Radio can both send and receive TCP traffic. This radio
will initiate a communication with a TCP server, whether it be another radio or
another device. It will also receive. data from a TCP Client. TCP can be more
reliable than UDP, but uses more bandwidth.
UDP Point-to-Point - UDP is the standard method for encapsulation. Point-
to-Point allows this device to send to another IP address and to receive UDP
data.
UDP Point-Multipoint (Point) - UDP is the standard method for
encapsulation. UDP point to multipoint allows many device to send to and
receive data from a single device. As a point, the device will sent to and
receive from many devices.
UDP Point-Multipoint ( Multipoint ) - UDP is the standard method for
encapsulation. UDP point to multipoint allows many device to send to and
receive data from a single device. As a multipoint, the device will sent to and
receive from one device.
UDP Multipoint-to-Multipoint - UDP is the standard method for
encapsulation. UDP multipoint allows this device to send data to and receive
data from many devices.
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Smart Switched Ethernet
Smart Switched Ethernet (SSE) configuration creates a network suitable for any
communication pattern between the radios. It efficiently determines whether to
broadcast to all radios or direct to a single radio on a packet by packet basis. In
the following illustration, each radio is able to communicate with any or all other
radios.
Changing Network Type
Users now have the ability to change their network to either SSE or PTP
(assuming their network conforms to the PTP restrictions) from another network
type. This is done selecting Configure->Modify and clicking their network. Once
open in the configuration view, selecting Radio Network from the Properties
menu will bring up a Network Properties dialog. From this dialog they can
choose a new network type from the Network Type drop down box. This will
require reconfiguration of radio in the network and cannot be reversed to return
to any of the obsolete network types once the network file is saved.
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1.6.3 General Radio Configuration
Note: If possible, you should configure all the radios side by side in an office
setting and make sure they link before you install them in the field. If feasible, it
would be even better if you could set up the entire system in the office and make
sure your equipment communicates properly through the radio network.
Important: If the radios are close enough to each other that their received signal
strength is greater than -40dBm, performance may be degraded. Disconnect
antennas from radios during bench testing, or move the radios further apart from
each other.
Configure the radios themselves after the network is designed. Radios are
configured ONE AT A TIME USING THE CONFIGURATION PC.
Use the specified cable (page 38) and connect the radio to an Ethernet switch or
hub (gray cable) or directly to the Configuration PC’s Ethernet port (red cable).
Access the Radio Configuration dialog box to set network-specific parameters
for each individual radio. Starting from the ControlScape FH Main Menu, select:
Configure
oModify (the network by name)
The Graphical Layout Screen is displayed. There are two different methods of
bringing the dialog box up from the screen:
double-click the icon of the radio to be configured,
OR
select the icon of the radio to be configured by selecting it with a single
left-click of the mouse and then choose the following menu items:
oProperties / Radio
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The Radio Configuration dialog box is displayed - the image of the dialog box is
different depending on which network type (page 25) the radio is incorporated
into.
Continue to configure the radios depending on their network type:
Note: The network types available depend on the type of radio you select. Not all
network types are supported on all radios. Refer to the user manual for your
radio to determine what network types are available.
1.6.4 Set Up the Master Radio
RadioLinx IFH radios are designed to act as a "wire replacement" to connect a
local device (for example, a PLC) with one or more remote devices (for example,
another PLC, an HMI, or a field device such as a valve, meter, bar code scanner,
or other measurement or control device).
Every radio network requires one Master radio, and one or more Remote radios.
When you create a new network, ControlScape FH automatically populates the
network with a pair of radios, as shown in the following illustration.
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Double-click the left mouse button on the Master Radio to open the Radio
Properties dialog box.
Most of the settings on this dialog box are straightforward. The default settings
will work with many devices without modification, however you will need to assign
an IP address, subnet mask and default gateway for each radio on the network. If
you are using Serial Protocol Encapsulation (page 31) to transmit serial data over
the wireless network, you may also need to know the communication parameters
to use if the wired device requires different settings. This information is normally
available in the user manuals for the device.
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Certain devices may require additional configuration, if the default configuration
is not adequate for reliable data transfer. For example, you may need to adjust
transmit power to reduce interference with other devices transmitting on the
same frequency, or to fine-tune the packet settings to accommodate timing and
packet size requirements for an industrial protocol. Click the Advanced button to
make these additional options visible.
When you have finished making your selections, click OK to save the radio
configuration.
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Plug In the Cables
You must transfer these settings to the Master radio in order for these changes to
take effect. ControlScape FH will update the radio’s internal settings through the
Ethernet connection between your computer and the radio.
Important: The serial port on the bottom of the radio, labeled RS-232, is
reserved for connections to external network devices, and cannot be used to
configure the radio.
Important: Please allow sufficient time for the radio to power up and respond to
discovery or configuration requests. In some instances, the radio may require up
to 90 seconds to become responsive.
1 Connect the AC power adapter cord to the port labeled 10 - 24 VDC 6W on
the bottom of the radio, and then plug the power adapter into an electrical
outlet.
2 Connect an Ethernet cable to the ETHERNET port on the bottom of the radio.
oIf you are connecting through an Ethernet switch or hub to the radio, use
the Gray (straight-through) cable to connect the radio to the switch or hub.
oIf you are connecting directly from your PC to the radio, use the Red
(crossover) cable to connect to the radio from the Ethernet port on your
PC.
When the radio is powered up, it will go through a brief self-test during which the
LEDs on the front of the radio will illuminate. The Power/Status LED should be
green, meaning that the radio has power.
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Transfering the Configuration to the Master Radio
To send the new configuration settings to the Master radio, click the Configure
Radio button on the Radio Configuration dialog box.
ControlScape FH will display a progress indicator as it attempts to connect to the
radio.
When the configuration is completed successfully, the following message is
displayed.
When the configuration has been transferred successfully, ControlScape FH will
update the Radio Configuration dialog box with information retrieved from the
radio, including the radio’s Serial Number and Last Date Configured.
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1.6.5 Adding Remote Radios
The radios can be displayed in different colors, or you can use the default color.
The color of a radio does not affect the function of the network, however, there
may be an application that can be more clearly represented with color-coded
radios.
Important: When defining a color, the color must be defined before the radio is
added.
From the ControlScape FH Main Menu, select: Radio
oAdd Radio
The new radio icon image appears and is superimposed over part of the Master
Radio icon.
Move (click and drag) the additional Remote radio icon off the Master Radio icon.
Continue on to Graphically Define the RF Link (page 43) to define the
communication links between radios.
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Note: See When to Re-Configure Radios (page 47) to ensure all radios will be
updated.
1.6.6 Add Repeaters
The following illustration shows how to Add a Repeater to the Network. After
selecting the add repeater function from the menu, a repeater icon will appear on
the Graphical User Interface (GUI).
The repeater radio will have a link point (black dot) on both the right and left side
of each repeater radio. The remote radio has only one link point located on the
left side of the radio. As with all new radios, it will show the radio needs to be
updated.
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Initially, a new network will start out with a Master radio and a Remote radio
connected by the RF link. To add a Repeater, the RF link (page 43) between the
Master and Remote will need to be deleted. After the Repeater is in place and
RF links are connected, the Repeater's setting can be adjusted.
Important: The items on this dialog box depend on what type of radio you select.
The example in this topic shows a RadioLinx IFHE (Industrial Frequency Hopping
Ethernet) radio. Refer to the user manual for your radio for an explanation of
each configuration item.
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1.6.7 Graphically Defining the RF Link
Radio communication links between radios must be defined. ControlScape FH
uses lines between radios to graphically define the RF communication links in a
network.
From the network's Graphical Layout Screen:
Use the left mouse button to select the Master radio's link point (the black dot to
the right of the Master radio icon).
Note: Select the Master radio's link point (only) and not the Master radio icon
itself. If the Master radio is selected (surrounded by a colored box), left-click
anywhere else on the screen to de-select the Master radio icon.
Hold the left mouse button down and drag the RF link to the Remote radio's link
point (located to the left of the Remote radio). As the mouse is being dragged, a
line will appear between the Master and Remote radios. This is the graphical representation of the RF communication link. After the mouse button is
released an arrowhead will appear at the end of the graphical link line at the
Remote radio's link point.
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To remove a RF link between two radios, select the line between the radios.
Press the Delete key to remove the graphical link line between the radios. Now a
repeater could be added between the two radios or the radios could be
connected to other radios.
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1.6.8 Saving the Network Configuration
Save the Network’s definition if:
A new network has been defined
Changes have been made to the network’s definition
From the Main Menu, select:
File
oSave
The standard windows Save As dialog box will be displayed; the network name
can be accepted as it is or it can be edited here.
Note: This is the last time that the network’s name can be changed within
ControlScape FH. If you need to rename a network you have already saved, you
can rename the .LUS file in Windows Explorer.
Select:
Save
Notes: DO NOT change the default directory. The ControlScape FH
Setup/Diagnostic Application uses the default directory to maintain networkrelated data.
The Network’s Definition can be printed.
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If this is the first time this network has been saved, the Password dialog box
appears.
Enter the new password and click OK. If no password protection is desired, leave
the password blank and click OK.
1.6.9 Transfer the Configuration to the Remote Radios
To send the new configuration settings to the Remote radio(s), click the
Configure Radio button on the Radio Configuration dialog box.
ControlScape FH will display a progress indicator as it attempts to connect to the
radio.
Repeat these steps for each Remote radio on your network.
When the configuration has been transferred successfully, ControlScape FH will
update the Radio Configuration dialog box with information retrieved from the
radio, including the radio’s Serial Number and Last Date Configured.
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When to Re-Configure Radios
All radios need to be configured before initial installation in a network. In general,
after radios are functioning in a network, they do not need to be re-configured if
the network changes. The program will instruct when the radios need to be
configured, as illustrated below:
After all the radios are configured, the graphical layout will be displayed as
follows:
Reconfiguring a Remote Radio
To reconfigure the Remote radio(s), click the Configure Radio button on the
Radio Configuration dialog box.
Repeat these steps for each Remote radio on your network.
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1.7 Planning the Physical Installation
A network's performance is affected by attributes specific to the installation site.
Consider the following cautions, where possible, to optimize your network
installation:
Design the network to use less than 2048 radios (per network)
Place radios within the specified 15 miles of each other
Add repeater to extend distance or where line of sight is limited
Radios or antennas CANNOT be placed within 8 inches (20 cm) of where
people will be
Though radio frequency communication is reliable, sometimes its performance
can be affected by intangibles. A good network installation plan includes time
and resources for performance testing and installation changes.
Test the installation plan (page 49) before the network installation is complete.
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1.8 Testing the Network Installation Plan
Test proposed installations before finalizing the installation.
After you have configured the network and the radios:
install the Master radio in its proposed permanent location
cable the Configuration PC to the Master radio
place the Remote radios in their proposed locations
temporarily place each radio's antenna near its proposed mounting location.
The temporary placement of the antenna can be by hand, however, with this
testing method, one person must hold the antenna while another monitors the
Remote radio's signal strength as displayed on the Configuration PC.
To improve the signal quality of each Remote's communication:
increase the height of the antenna's placement
use higher-gain antennas
increase the radio's transmission power, cable the radio to the Configuration
PC, and reconfigure it
select a new location for the Remote radio and/or its antenna
decrease the length of antenna cable
determine and resolve sources of "electrical" noise which may be interfering
with the radio transmission
add a repeater between the radios that are not communicating, or reconfigure
an existing radio as a repeater if line of sight is available
Note: See When to Re-Configure Radios (page 47) to ensure all radios are
updated.
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1.9 Verifying Communication
ControlScape FH provides several ways to verify that the radios are configured
and communicating with each other.
1.9.1 Viewing Operating Network
To view a graphical representation of a network’s communication links, connect a
radio to the Configuration PC.
From the ControlScape FH Main Menu, select:
Diagnostic / Network
othe network by name (from the displayed list of configured networks)
Select which radio is connected to the Configuration PC from the Radio Name
drop down list. The IP Address of the radio connected to the configuration PC is
automatically displayed.
Note: For IFH radios, full network diagnostics are available only when you are
connected to the Master radio. If you are connected to a Remote or a Repeater
radio, you will only be able to retrieve status information for the radio to which
you are currently connected.
Following is the ControlScape FH’s graphical representation of a network with intact communication links. The functioning RF communication links are
represented solid colored lines.
The colored lines indicate the signal strength of each radio, see Viewing Signal
Strength. If any of the communication links show red dashed lines see Broken
Links in a Radio Network (page 76).
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1.9.2 Viewing Signal Strength
After a network is configured, the Signal Strength of the Remote radios can be
monitored. This is helpful when the radios are being physically installed (page
48).
To monitor the Remote radio’s Signal strength:
From the ControlScape FH Main Menu, select:
Diagnostic / Network
othe network by name (from the displayed list of configured networks)
After the network is displayed, double click the Remote radio to open the Radio
Status dialog box. This dialog box shows information about the radio, including
serial number, hardware and firmware information, and signal strength. The
appearance of this dialog box depends on the radio model and type.
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1.9.3 Getting Radio Status
A radio can be queried so that it reports its settings to the Configuration PC.
Radios may be queried directly (through a cable connected to the Configuration
PC) or remotely (through communication with the Master radio cabled to the
Configuration PC).
To directly query a radio (either Master or Remote), cable the radio to the
Configuration PC (page 38). From the ControlScape FH Setup/Application Main Menu, select:
Diagnostic
oRadio
The Radio Parameters dialog box appears. Click the Get Data button to receive
data. The following illustration shows the Ethernet Radio Parameters dialog
BEFORE getting data
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The following illustration shows the Radio Parameters dialog AFTER getting data
Click the Close button to close the Radio Parameters dialog box.
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In This Chapter
Radio Hardware .................................................................................... 56
Connecting the Radio to a Network Device ........................................... 58
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
2 Installing the Radios
Important: If the radios are close enough to each other that their received signal
strength is greater than -40dBm, performance may be degraded. Disconnect
antennas from radios during bench testing, or move the radios further apart from
each other.
Tip: To make it easier to physically identify the radios you are configuring, apply
a label to each radio indicating the radio name.
After you have configured each radio using ControlScape FH, you can install the
radios and test their performance. Install the radios in their proposed permanent
locations, then temporarily place each radio’s antenna near its proposed
mounting location. The temporary placement of the antenna can be by hand;
however, with this testing method, one person must hold the antenna while
another monitors the radio’s signal strength.
To see how a radio is linked in the network, make sure that the radio is
connected to a PC, and then open the Diagnostic menu and choose your
network in ControlScape FH.
The Diagnostic view shows a diagram of the network’s wireless connections. Use
this view to see whether all the radios are linked. Refer to Improve Signal Quality
(page 57) for more information on overcoming poor connectivity.
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Label Connect to...
+ 10 to 24 VDC
— DC Ground
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
2.1 Radio Hardware
The RLX-IFHE radio consists of the following components:
One antenna port (page 56)
LEDs that indicate the status of the radio (page 69)
Ethernet Port (page 59)
Serial cable ports (page 58)
Power connection (page 56)
2.1.1 Radio power requirements
The RLX-IFHE radio accepts voltages between 10 and 24 VDC, with an average
power draw of less than 6 watts. A detachable power connector comes with the
radio, as shown. The connector terminals are labeled + (positive DC connection)
and - (DC ground connection). You can use the provided AC-to-DC power supply
adapter that is pre-wired with a power connector, or you can use power from
another source, for example the power supply for the PLC or the networked
devices.
The DC power wires must be less than 3 m to meet regulatory requirements.
2.1.2 Connecting antennas
Each radio must have an antenna connected to the Main antenna port on the
radio; without an antenna for each radio, the network will not function.
All antennas for radios that communicate directly with each other should be
mounted so they have the same antenna polarity. Small antennas with a reversepolarity SMA connector can be mounted directly on the radio. Screw the antenna
onto the antenna port connector until it is snug.
Larger antennas and antennas that do not have a reverse-gender SMA
connector must be mounted separately and connected to the radio using a
coaxial antenna cable. Because the antenna cable attenuates the RF signal, use
an antenna cable length that is no longer than necessary to ensure optimum
performance.
Important: If the radio is to be used in a hazardous location, the radio must be
mounted in an enclosure approved for hazardous locations. The radio requires a
separate cable connection to the SMA connector that leads to an internal
antenna.
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Improving Signal Quality
If you need to improve a radio’s signal quality, try the following steps:
Adjust the direction of the high-gain antennas.
Increase the height of the antenna’s placement.
Use higher-gain antennas or external preamplifiers.
Select a new location for the radio and/or its antenna.
Decrease the length of the antenna cable.
Determine and resolve sources of interfering electrical noise.
Add a repeater between radios that are not communicating.
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Class
First Octet Value
Network Identifier
Device Identifier
Subnet Mask
A
1 to 126
"w." values
"x.y.z" values
"255.0.0.0"
B
128 to 191
"w.x" values
"x.y" values
"255.255.0.0"
C
192 to 223
"w.x.y" values
"x" values
"255.255.255.0"
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
2.2 Connecting the Radio to a Network Device
2.2.1 Cable Connections
The application ports on the RLX-IFHE module support Ethernet, RS-232, RS422, and RS-485 interfaces.
The application ports are located on the bottom of the radio.
The Ethernet port uses a standard RJ45 connector
The RS-232 port uses a standard DB9 connector.
The RS-485/RS-422 port uses a custom connector, supplied with the radio.
Refer to the following diagrams to construct a port cable suitable for your
application.
Ethernet Addressing Overview
The IP address of the host computer that runs the setup software, needs to be
changed only if you are going to select an IP address for the radios that reside on
a different sub network (a network with a different network ID) than the sub
network currently configured.
For example, if the setup computer has an IP address of 207.4.1.3 in the TCP/IP
client network configuration and you want to program the IP address for the radio
to 192.168.15.1, then you will have to set up the host computer with an IP
address on the same network (for example, 192.168.15.10). This will allow you to
use the setup software to perform radio network diagnostics (See Diagnostics
and Troubleshooting on performing network diagnostics).
IP addresses are in the following format: www.xxx.yyy.zzz - called "dot format"
Classes of IP addresses are determined by value of the first "octet" (the "www").
The classes are as follows:
The Subnet Mask is used to distinguish the Network ID and the Device ID.
For Example:
An IP address of 192.168.15.4 is on the Network 192.168.15; and the Device
ID is 4.
An IP address of 10.120.22.75 is on the Network 10 and the Device ID
is120.22.75.
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Crossover cable
Straight- through cable
RJ-45 PIN
RJ-45 PIN
1 Rx+
3 Tx+
2 Rx-
6 Tx-
3 Tx+
1 Rx+
6 Tx-
2 Rx-
RJ-45 PIN
RJ-45 PIN
1 Rx+
1 Tx+
2 Rx-
2 Tx-
3 Tx+
3 Rx+
6 Tx-
6 Rx-
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
Ethernet Cable Specifications
The recommended cable is category 5 or better. A category 5 cable has four
twisted pairs of wire that are color-coded and cannot be swapped. The radio
uses only two pairs. One pair uses pins 1 and 2, and the second pair uses pins 3
and 6.
Use a straight-through cable when connecting the radio to an Ethernet hub or
a 10/100 Base-T Ethernet switch. Straight-through cables are used in most
cases.
Use a cross-over cable when connecting the Ethernet radio directly to any
device that is NOT a switch or a hub (for example, a direct connection to a
PC, PLC, or printer).
Ethernet cabling is like U.S. telephone cables, except that it has eight
conductors. Some hubs have one input that can accept either a straight-through
or crossover cable, depending on the switch position. In this case, you must
ensure that the switch position and cable type agree.
Refer to Ethernet cable configuration (page 59) for a diagram of how to configure
Ethernet cable.
Ethernet Cable Configuration
Note: The standard connector view shown is color-coded for a straight-through
cable.
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Pin Name
Pin Number
DB9 / DB25
Function
Transmit Data (TXD)
Pin 3 / 2
Serial Data Output
Receive Data (RXD)
Pin 2 / 3
Serial Data Input
Clear-To-Send (CTS)
Pin 7 / 4
This line indicates that the modem is ready to exchange
data.
Data-Carrier-Detect
(DCD)
Pin 1 / 8
This line becomes active when the modem detects a
carrier from the modem on the other end of the phone line.
Data-Set-Ready
(DSR)
Pin 6 / 6
This tells the UART that the modem is ready to establish a
link.
Data-Terminal-Ready
(DTR)
Pin 4 / 20
This tells the modem that the UART is ready to exchange
data.
Request -To -Send
(RTS)
Pin 7 / 4
This line informs the modem that the UART is ready to
exchange data.
Ring Indicator (RI)
Pin 9 / 22
Goes active when modem detects a ringing signal
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
Serial Port Basics
PC communications depend primarily on serial and parallel ports to interface the
PC to the outside world. A "port" is a connection or plug-in that gives access to
the PC. The port allows the computer to communicate with devices such as
printers, input devices (serial mouse), and modems.
The serial port is more difficult to interface to than the parallel port because most
serial devices require that the serial transmission consists of characters that are
converted into a parallel format. This conversion is accomplished with a
communications controller chip, (UART: Universal Asynchronous
Receiver/Transmitter).
Two common serial interface standards are RS-232 and RS-485. The RS-232
protocol is an industry standard protocol while the RS-485 protocol is commonly
used in the industrial automation market.
There are two types of devices to which a serial-cabled device can communicate:
DCE (Data Communications Equipment): modem, plotter, "RadioLinx Radio
Modem".
DTE (Data Terminal Equipment): PC or terminal
Serial ports have two common connector styles:
DB25 pin connector
DB 9 pin connector
Today’s typical PC has one parallel port and two DTE serial ports (both are male
connectors). To connect two DTE devices to each other, the easiest (and
recommended) connection method is with a Null Modem cable (female
connectors on each end). This is commonly used as a quick and inexpensive
way to transfer files between two PCs without having to install a dedicated
network card in each PC.
Note: The RadioLinx radio modem is a DCE device.
The following table contains the pin functions for both the DB25 and the DB9
connectors:
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Pin Name
Pin Number
DB9 / DB25
Function
Signal Ground (SG)
Pin 5 / 7
Signal ground
Characteristic
RS-232
RS-485
Maximum cable length
100 feet
4000 feet
Maximum bits/sec.
20kbps
100Mbps
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
Communication signals diminish in strength as they travel through cable. The
maximum cable lengths for RS-232 are less than RS-485 because the RS-232
interface is more susceptible to noise. The data performance of RS-232 and RS485 is similar as long as the cable requirements are met. The following table
gives an estimation of the cable length requirements for the two serial interface
protocols:
There are different ways to transfer data serially; simplex, half-duplex, and fullduplex. Simplex communication mode allows transmission of data in one
direction only. In the half-duplex mode, data can be transferred in both
directions, but not simultaneously. That means data can be transferred over a
single pair of wires, but the data can only be transferred in one direction at a
time. Full-duplex mode utilizes two pairs of wires and the data can be
transferred in both directions simultaneously.
Radio RS-485 Cable Specification
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RS-485
The RS-485 interface requires a single two or three wire cable. The Common
connection is optional and dependent on the RS-485 network. The cable required
for this interface is shown below:
Note: The red switch on the bottom of the RLX-IFHE radio allows you to specify
whether the termination resistors are external or Internal in regards to the radio’s
RS-485/RS-422 connector. Terminating resistors are generally not required on
the RS-485 network, unless you are experiencing communication problems that
can be attributed to signal echoes or reflections. In this case, try changing the
settings for termination on the radio.
Radio RS-232 Cable Specifications
The Radio is a DCE device.
The PC is a DTE device.
The following shows the wiring of the straight-through DB-9 serial cable used to
connect:
A radio to a PLC, PC, or other DTE device
A radio to another DCE device
Straight-through Serial Cable
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RS-232
When the RS-232 interface is selected, the use of hardware handshaking
(control and monitoring of modem signal lines) depends on the requirements of
the networked device. If no hardware handshaking will be used, the cable to
connect to the port is as shown below:
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RS-232 Modem Connection
This type of connection is required between the radio and a modem or other
communication device.
The "Use CTS Line" parameter for the serial device should be set to 'Yes' for
most modem applications.
RadioLinx OPC Server .......................................................................... 77
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
3 Diagnostics and Troubleshooting
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3.1 Diagnostics Overview
Use the Diagnostic function in ControlScape FH to:
view a graphical representation of the overall function of a network
query an individual radio and display its operating parameters
The information obtained from the diagnostics function can be used to:
optimize network function
determine the source of failed communication
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LED
Description
Power
This green LED indicates that the radio has power.
Ethernet
If this green LED is illuminated, the Ethernet cable is connected.
If this LED is flashing, an Ethernet packet is being transmitted or received.
RF Transmit
This yellow LED indicates RF transmission.
RF Receive
This green LED indicates RF reception.
232 / 485
On (illuminated) for RS-232, Off for RS-485/422
Signal Strength
If only one of these three LEDs is illuminated, then the radio is linked. If two
LEDs are illuminated, the radio’s signal strength is fair. If all three LEDs are
illuminated, the signal strength is good.
When a repeater or remote is not linked, the LEDs will illuminate one at a time in
a cycle from top to bottom. When the repeater or remote is linked, the LEDs will
illuminate from bottom to top, with a blinking LED meaning a median signal
strength between the lower LED and the blinking LED.
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
3.2 LED Status Indicators
The RLX-IFHE front panel includes a set of LEDs that indicate the radio’s status.
After you first plug in the power cable to the radio, the Power/Status LED should
be green, meaning that the radio has power. The RF Transmit and RF Receive
LEDs should blink.
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3.3 Sources of Interference
The RadioLinx radio modem operates more reliably than a radio using
conventional technology due to the frequency hopping spread spectrum
technique. While RadioLinx radios are less susceptible to interference due to this
technique, interference (radio "noise") may still occur. Radios are designed to
detect specific radio frequencies. An "interferer" is an unwanted signal that has
been transmitted at the same frequency that the radio was designed to detect.
There are many man-made and natural sources of electromagnetic interference
(lightning, power lines, switching power supplies, fluorescent lighting, microwave
ovens, cordless phones, and so on). To decrease the effects of interference on
network function:
Use a directional (high gain) antenna at the Remote radio locations, if
possible
Verify that each network operating in close proximity to each other has BEEN
ASSIGNED TO A DIFFERENT CHANNEL
Install networks in rural areas (if at all possible) where they will likely
encounter less man-made noise than in urban or suburban areas
Enable encryption
Change a radio's network output power (refer to the Radio Settings -
Transmit Power sections in the Radio Configuration screens for each type of
network):
o Increase power to "drown out" competing noise
o Decrease power of the radios on the network if they are interfering with
another network in the vicinity
3.3.1 Changing a Network's Channel
To modify the Network Channel an existing network, select:
Properties
oRadio Network
The Networks Properties dialog box will then display.
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Important: The items on this dialog box depend on what type of radio you select.
The following example shows a network of RadioLinx IFHE (Industrial Frequency
Hopping Ethernet) radios. Refer to the user manual for your radio for an
explanation of each configuration item.
Select an unused Network Channel from the drop-down list.
Refer to the user manual for your radio for an explanation of other configuration
items on this dialog box.
Note: Some fields are "grayed-out" in this dialog box because these parameters
cannot be changed from here.
Note: See When to Re-Configure Radios (page 47) to ensure all radios will be
updated.
3.3.2 Viewing Radio Channel Noise Level
All radio networks experience background "noise", known as Electromagnetic
Interference (EMI), which consists of such things as stray signals from other
radios on the same frequency, or random interference generated by non-radio
devices that "leak" or emanate EMI as a by-product or side effect of their actual
function. There are also natural sources of EMI, including atmospheric
disturbances and sunspots. The "snow" on an unused or distant television
channel, or "static" on a car radio when passing under high voltage power lines,
are two common examples of background noise.
Unwanted noise, or EMI, on a data network can cause data transmission errors,
or stop a radio network from functioning at all. Most modern devices, including
RadioLinx radios, are designed to prevent unwanted emanation of EMI from the
device. Radios are also typically designed to tolerate a certain amount of
interference from other devices, however when the amount of noise reaches a
certain threshold, typically within 10dB of a link's RSSI, the radio may be unable
to distinguish between wanted and unwanted signals.
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ControlScape can help you diagnose transmission problems with a graphical
representation of radio channel noise. You can use this diagnostic information
during a site survey to check for RF signals already present in an area, or to
detect network issues caused by RF interference.
To detect the radio channel noise level for a particular radio, open the UTILITIES
menu, and then choose IFHESPECTRUM ANALYZER. Select the radio by IP
ADDRESS, and then click OPEN.ControlScape will then scan within the radio, and
measure the noise in the its frequency band. This data can help determine if
there is a signal that is interfering with radio communications. The radio will
continue to periodically scan its frequency band until you click the CLOSE button,
or you select a different radio to scan.
Note: The information in this dialog box is valid only for radios accessible
through a wired Ethernet network. Scans for radios reachable only over the RF
network may not be accurate.
Note: Radio network communications are interrupted while the Spectrum
Analyzer is active. Normal communication will resume when you close the dialog
box.
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3.3.3 IFHE Spectrum Analyzer Dialog Box
The Spectrum Analyzer Dialog Box opens when you open the Utilities menu, and
then select IFHE Spectrum Analyzer. Use this dialog box to help diagnose
network issues.
The default password to login to the spectrum analyzer is:
Username: admin
Password: admin
Note: The information in this dialog box is valid only for radios accessible
through a wired Ethernet network. Scans for radios reachable only over the RF
network may not be accurate.
Note: Radio network communications are interrupted while the Spectrum
Analyzer is active. Normal communication will resume when you close the dialog
box.
IP Address: The IP address for the radio to test. Enter an IP address directly,
or click Select Radio to choose a radio.
Select Radio: Opens the Radio Discovery Tool dialog box. Choose a radio
from the list, and then click OK to select the radio.
Open: Click to begin testing the radio.
Close: Click to quit testing the radio and close the Spectrum Analyzer dialog
box.
Noise Level graphs: The green plot represents the current spectrum
values. The red plot represents the maximum value of the green plot over
time. The yellow line represents the lowest current value or the current noise
floor. Each point represents one of the frequencies on which the radio could
hop.
Hold: Click to freeze the peak value graph.
Clear: Click to unfreeze the peak value graph.
Show Mean Value: Displays the average value of the multiple
measurements taken on each channel during a scan period.
Show Max Value: Displays the maximum value of the multiple
measurements taken on each channel during a scan period.
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ControlScape FH displays informative error messages for many types of
communication problems. The following topics describe how to interpret these
messages.
3.4.1 Radio Configuration Status Dialog Box
The Radio Configuration Status dialog box opens when you attempt to
communicate with a radio network in Diagnostic mode, and ControlScape FH is
not able to connect with any radios on the network.
Click Retry to attempt an automatic baud rate detection sequence.
Click Cancel to quit attempting to connect to a radio.
3.4.2 Invalid Password Dialog Box
The Invalid Password dialog box opens when you enter the network password
incorrectly. Check the status of the Caps Lock key on your keyboard, and then
try entering the password again.
OK: Click the OK button to save your selection and close the dialog box.
Help: Click the Help button to read the online help for ControlScape.
3.4.3 Check the Ethernet cable
If you connect a radio and the Ethernet LED does not light on the radio, you may
have used the wrong cable type. In other words, you may have used a crossover cable when you should have used a straight-through cable, or vice versa.
Use a straight-through cable when connecting the radio to an Ethernet hub or a
10/100 Base-T Ethernet switch. Straight-through cables are used in most cases.
Use a cross-over cable when connecting the Ethernet radio directly to any device
that is NOT a switch or a hub (for example, a direct connection to a PC, PLC, or
printer).
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3.4.4 Connection Errors
If ControlScape FH is not able to communicate with a radio, it will open a
message box describing the problem.
To troubleshoot communication problems, follow these steps:
Verify that you can communicate with the Master radio through an ethernet
cable connection (page 59)
Verify that the Master radio and remote radios are powered up (page 56)
Verify that the Remote radios are connected to antennas, (page 56) and are
correctly sited (page 57) to receive signals from the Master radio
Verify that the computer's IP address and the IP addresses of the radios are
on the same network (page 58)
Eliminate sources of interference (page 70).
If you are still unable to connect to a radio, contact ProSoft Technical Support
(page 99) for assistance.
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3.5 Troubleshooting Missing Radios
To view the communication link any radio can be cabled to the Configuration PC
for network diagnostics.
One of the most common reasons radios do not communicate is an incorrect
setting in the "Send Data To" field in the Radio Configuration dialog box. Verify
that the radio is sending to and receiving from the correct radio ID.
If radios do not communicate, investigate some of the sources of interference
(page 70).
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3.6 RadioLinx OPC Server
The RadioLinx OPC Server seamlessly links customer applications to RadioLinx
radios. Any application that can act as an OPC Client, such as an HMI, can
interact with any type of RadioLinx radio. It allows the applications to get signal
strength, serial number and throughput information, as well as other useful
statistics.
The RadioLinx OPC Server operates in the background on any PC. It
independently manages all requests from OPC Clients for information on
RadioLinx radios. The OPC Clients are typically HMI programs, but can also be
easily monitored by Microsoft Excel. The clients can be programs running either
on the same PC as the OPC Server or on a separate PC connected via a
network connection.
You can install the RLX OPC Server from the ProSoft Solutions CD-ROM,
included with your RLX-IFHE radio.
3.6.1 System Requirements
The following system requirements are the recommended minimum
specifications to successfully install and run RadioLinx OPC Driver.
Microsoft Windows compatible PC
Windows XP Professional with Service Pack 2 or higher, Windows VISTA, or
Windows 2003
Microsoft .NET Framework version 3.0 or higher
300 mHz Pentium processor (or equivalent)
128 megabytes of RAM
300 megabytes of available disk space
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Consider the following points regarding antenna location, spacing, and mounting:
When placing antennas, ensure a clear line of sight between the master
radio's antenna and all of the other radio antennas.
If the site base contains obstructing terrain or structures, mount the antenna
on a tower or rooftop to provide a line-of-sight path. The line-of-sight
consideration becomes more important as the transmission path becomes
longer.
Mount the antennas as high off the ground as is practical. The higher an
antenna is above the ground, the greater its range.
Mount the antennas away from massive structures. Radio signals bounce off
metal walls, for example, which can compromise a clear signal.
Mount antennas to minimize the amount of nearby metal structures in the
antenna pattern.
Mount the antennas and install radios away from sources of RF interference.
Use the shortest possible antenna cable length. Signals lose power over the
cable's distance.
Choose antennas that are appropriate for the network's intended function.
If antennas are on radios on the same network, mount them so they have the
same polarity. If the antennas are on separate networks, mount them so they
have a different antenna polarity—for example, mount one antenna vertically
and the other horizontally.
Space radios at least three feet (one meter) apart so they do not overload
each other. If antennas must be near each other:
o Mount omnidirectional antennas directly above each other.
o Position directional antennas so they do not point at nearby antennas.
Place antennas side by side if they point in the same direction. Place
antennas back to back if they point in opposite directions.
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4.1.2 Antenna Pattern
Information between two wireless devices is transferred via electromagnetic
energy radiated by one antenna and received by another. The radiated power of
most antennas is not uniform in all directions and has varying intensities. The
radiated power in various directions is called the pattern of the antenna. Each
antenna should be mounted so that its direction of strongest radiation intensity
points toward the other antenna or antennas with which it will exchange signals.
Complete antenna patterns are three-dimensional, although often only a twodimensional slice of the pattern is shown when all the antennas of interest are
located in roughly the same horizontal plane, along the ground rather than above
or below one another.
A slice taken in a horizontal plane through the center (or looking down on the
pattern) is called the azimuth pattern. A view from the side reveals a vertical
plane slice called the elevation pattern.
An antenna pattern with equal or nearly equal intensity in all directions is
omnidirectional. In two dimensions, an omnidirectional pattern appears as a
circle (in three dimensions, an omnidirectional antenna pattern would be a
sphere, but no antenna has true omnidirectional pattern in three dimensions). An
antenna is considered omnidirectional if one of its two dimensional patterns,
either azimuth or elevation pattern, is omnidirectional.
Beamwidth is an angular measurement of how strongly the power is
concentrated in a particular direction. Beamwidth is a three dimensional quantity
but can be broken into two-dimensional slices just like the antenna pattern. The
beamwidth of an omnidirectional pattern is 360 degrees because the power is
equal in all directions.
4.1.3 Antenna Gain
Antenna gain is a measure of how strongly an antenna radiates in its direction of
maximum radiation intensity compared to how strong the radiation would be if the
same power were applied to an antenna that radiated all of its power equally in
all directions. Using the antenna pattern, the gain is the distance to the furthest
point on the pattern from the origin. For an omnidirectional pattern, the gain is 1,
or equivalently 0 dB. The higher the antenna gain is, the narrower the
beamwidth, and vice versa.
The amount of power received by the receiving antenna is proportional to the
transmitter power multiplied by the transmit antenna gain, multiplied by the
receiving antenna gain. Therefore, the antenna gains and transmitting power can
be traded off. For example, doubling one antenna gain has the same effect as
doubling the transmitting power. Doubling both antenna gains has the same
effect as quadrupling the transmitting power.
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4.1.4 Antenna Polarity
Antenna polarization refers to the direction in which the electromagnetic field
lines point as energy radiates away from the antenna. In general, the polarization
is elliptical. The simplest and most common form of this elliptical polarization is a
straight line, or linear polarization. Of the transmitted power that reaches the
receiving antenna, only the portion that has the same polarization as the
receiving antenna polarization is actually received. For example, if the
transmitting antenna polarization is pointed in the vertical direction (vertical
polarization, for short), and the receiving antenna also has vertical polarization,
the maximum amount of power possible will be received. On the other hand, if
the transmit antenna has vertical polarization and the receiving antenna has
horizontal polarization, no power should be received. If the two antennas have
linear polarizations oriented at 45° to each other, half of the possible maximum
power will be received.
4.1.5 Whip antennas
You can use a 1/2 wave straight whip or 1/2 wave articulating whip (2 dBi)
antenna with RLX-IFHE radios. These antennas are the most common type in
use today. Such antennas are approximately 5 inches long, and are likely to be
connected to a client radio (connected directly to the radio enclosure). These
antennas do not require a ground plane. Articulating antennas and nonarticulating antennas work in the same way. An articulating antenna bends at the
connection.
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4.1.6 Collinear array antennas
A collinear array antenna is typically composed of several linear antennas
stacked on top of each other. The more stacked elements it has, the longer it is,
and the more gain it has. It is fed in on one end.
The antenna pattern is torroidal. Its azimuthal beamwidth is 360°
(omnidirectional). Its vertical beamwidth depends on the number of
elements/length, where more elements equal narrower beamwidth. The antenna
gain also depends on the number of elements/length, where more elements
produce higher gain. Typical gain is 5 to 10 dBi.
The antenna polarity is linear, or parallel to the length of the antenna.
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4.1.7 Yagi Array Antenna
A yagi antenna is composed of an array of linear elements, each parallel to one
another and attached perpendicular to and along the length of a metal boom. The
feed is attached to only one of the elements. Elements on one side of the fed
element are longer and act as reflectors; elements on the other side are shorter
and act as directors. This causes the antenna to radiate in a beam out of the end
with the shorter elements. The pattern depends on the overall geometry,
including the number of elements, element spacing, element length, and so on.
Sometimes the antenna is enclosed in a protective tube hiding the actual
antenna geometry.
The antenna pattern (page 81) is a beam pointed along the boom toward the end
with the shorter elements. The beamwidth varies with antenna geometry but
generally is proportional to the length (where longer length produces a narrower
beam).
The antenna gain (page 81) varies with antenna geometry but generally is
proportional to the length (where longer length produces higher gain). Typical
values are 6 to 15dBi.
The antenna polarity is Linear (parallel to the elements, perpendicular to the
boom).
Refer to the Antenna Types overview section for other types of approved
antennas.
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4.1.8 Parabolic reflector antennas
A parabolic reflector antenna consists of a parabolic shaped dish and a feed
antenna located in front of the dish. Power is radiated from the feed antenna
toward the reflector. Due to the parabolic shape, the reflector concentrates the
radiation into a narrow pattern, resulting in a high- gain beam.
The antenna pattern is a beam pointed away from the concave side of the dish.
Beamwidth and antenna gain vary with the size of the reflector and the antenna
construction. Typical gain values are 15 to 30 dBi.
The antenna polarity depends on the feed antenna polarization.
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Glossary of Terms
Symbols & Numeric
802.11
A group of wireless specifications developed by the IEEE. It details a wireless
interface between devices to manage packet traffic.
802.11a
Operates in the 5 GHz frequency range with a maximum 54 Mbit/sec signaling
rate.
802.11b
Operates in the 2.4 GHz Industrial, Scientific, and Measurement (ISM) band.
Provides signaling rates of up to 11 Mbit/sec and is the most commonly used
frequency.
802.11g
Similar to 802.11b but supports signaling rates of up to 54 Mbit/sec. Operates in
the heavily used 2.4 GHz ISM band but uses a different radio technology to boost
throughput.
802.11i
Sometimes Wi-Fi Protected Access 2 (WPA 2). WPA 2 supports the 128-bit and
above advanced encryption Standard, along with 802.1x authentication and key
management features.
802.11n
Designed to raise effective WLAN throughput to more than 100 Mbit/sec.
802.11s
Deals with mesh networking.
A
Access Point
A generic term for an 802.11 radio that "attaches" other 802.11 radios (clients) to
a wired network. APs can also bridge to one another.
Ad hoc Mode
Wireless network framework in which devices can communicate directly with one
another without using an AP or a connection to a regular network.
AES
Advanced Encryption Standard. New standard for encryption adopted by the U.S.
government for secure communications.
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Amplifier
A device connected to an antenna used to increase the signal strength and
amplify weak incoming signals.
Antenna
A device connected to a wireless transceiver that concentrates transmitted and
received radio waves to increase signal strength and thus the effective range of a
wireless network.
ASCII
American Standard Code for Information Interchange. A communication mode in
which each eight-bit byte in a message contains one ASCII character code.
ASCII characters (or hexadecimal characters) are sometimes used as a key to
encrypt data and ensure its secure transmission.
Association
Process whereby two 802.11 radios establish communications with each other.
Requirements for communication include common SSID (network names) and
encryption settings.
Authenticate
The process of confirming the identity of someone connecting to a network.
Authentication Server
A back-end database server that confirms the identity of a supplicant to an
authenticator in an 802.1x-authenticated network.
B
Band
Another term for spectrum used to indicate a particular set of frequencies.
Wireless networking protocols work in either the 2.4 GHz or the 5 GHz bands.
Bandwidth
(See Throughput)
Base Station
See Wireless Gateway
Baud Rate
The speed of communication between devices on the network. All devices must
communicate at the same rate.
bps
Bits per Second. A measure of data transmission speed across a network or
communications channel; bps is the number of bits that can be sent or received
per second.
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C
Channel
One portion of the available radio spectrum that all devices on a wireless network
use to communicate. Changing the channel on the access point/router can help
reduce interference.
Client
A client is a software program, or the device on which that program runs, that
makes requests for information from a software program, or the device on which
that program runs, in a client-server relationship.
A Client on an Ethernet network is equivalent to a Master on a serial network.
Configuration PC
A Computer that contains the configuration tools for the RLX-IFHE.
D
dBi
Decibels referenced to an "ideal" isotropic radiator in free space; frequently used
to express antenna gain
dBm
Decibels referenced to one milliwatt (mW); an "absolute" unit used to measure
signal power (transmit power output or received signal strength)
DCE
Data communications equipment. A modem, for example.
Decibel (dB)
A measure of the ratio between two signal levels; used to express gain (or loss)
in a system.
Default Gateway
The IP address of a network router where data is sent if the destination IP
address is outside the local subnet. The gateway is the device that routes the
traffic from the local area network to other networks such as the Internet.
Device-to-Device Network (Peer-to-Peer Network)
Two or more devices that connect using wireless network devices without the
use of a centralized wireless access point. Also known as a peer-to-peer
network.
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DHCP
The dynamic host configuration protocol is an Internet protocol, similar to BootP,
for automating the configuration of computers that use TCP/IP. DHCP can be
used to automatically assign IP addresses, to deliver IP stack configuration
parameters, such as the subnet mask and default router, and to provide other
configuration information, such as the addresses for printer, time, and news
servers.
Direct Sequence Spread Spectrum
One of two approaches (with frequency hopping spread spectrum) for sorting out
overlapping data signals transmitted via radio waves. 802.11b uses DSSS
Directional Antenna
Transmits and receives radio waves off the front of the antenna.
Diversity Antenna
An antenna system that uses multiple antennas to reduce interference and
maximize reception and transmission quality.
DTE
Data Terminal Equipment, for example, a computer or terminal.
Dual Band
A device that is capable of operating in two frequencies. On a wireless network,
dual-band devices are capable of operating in both the 2.4 GHz (802.11b/g) and
5 GHz (802.11a) bands.
E
EAP
Extensible Authentication Protocol. A protocol that provides an authentication
framework for both wireless and wired Ethernet enterprise networks.
EIRP
Equivalent isotropically radiated power (EIRP) is the amount of power that would
have to be emitted by an isotropic antenna (that evenly distributes power in all
directions and is a theoretical construct) to produce the peak power density
observed in the direction of maximum antenna gain.
Encryption
Method of scrambling data so that only the intended viewers can decipher and
understand it.
ESD
Electrostatic Discharge. Can cause internal circuit damage to the coprocessor.
ESSID
Extended Service Set Identifier. A name used to identify a wireless network.
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F
Firmware
Firmware is the embedded software code that that runs in the module to direct
module function (similar to the BIOS in a personal computer). This is
distinguished from the Setup/Diagnostic Application software that is installed on
the Configuration PC.
Frequency Hopping
A radio that rapidly changes its operating frequency several times per second
following a pre-determined sequence of frequencies. The transmitting and
receiving radios are programmed to follow the same frequency hopping
sequence.
Frequency Hopping Spread Spectrum
Changes or hops frequencies in pattern known to both sender and receiver.
FHSS is little influenced by radio stations, reflections, or other environmental
factors. However, it is much slower than DSSS.
Fresnel Zone
An elliptical area on either side of the straight line of sight that must also be clear
for a long-range wireless network to work.
Full-Duplex
A communications circuit or system designed to simultaneously transmit and
receive two different streams of data. Telephones are an example of a full-duplex
communication system. Both parties on a telephone conversation can talk and
listen at the same time. If both talk at the same time, their two signals are not
corrupted.
G
Gain
The amount by which an antenna concentrates signal strength in a wireless
network.
Gateway
In wireless terms, a gateway is an access point with additional software
capabilities such as providing NAT and DHCP.
H
Half-Duplex
A communications circuit or system designed to transmit and receive data, but
not both simultaneously. Citizens' Band (CB) or walkie-talkie radios are an
example of a half-duplex communication system. Either party to a radio
conversation may talk or listen; but both cannot talk at the same time without
corrupting each other's signal. If one operator is "talking", the other must be
"listening" to have successful communication.
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Hz
Hertz. The international unit for measuring frequency equivalent to the older unit
of cycles per second. One megahertz (MHz) is one million hertz. One gigahertz
(GHz) is one billion hertz. The standard US electrical power frequency is 60 Hz.
802.11a devices operate in the 5 GHz band; 802.11b and g devices operate in
the 2.4 GHz band.
I
IEEE
Institute of Electrical and Electronics Engineers, Inc. IEEE is a professional
organization with members in over 175 countries and is an authority in technical
areas such as computer engineering and telecommunications. IEEE developed
the 802.11 specifications.
IP Address
A 32-bit identification number for each node on an Internet Protocol network.
These addresses are represented as four sets of 8-bit numbers (numbers from 0
to 255), separated by periods ("dots").
Networks using the TCP/IP Protocol route messages based on the IP address of
the destination. Each number can be 0 to 255. For example, 192.168.0.100 could
be an IP address. Each node on the network must have a unique IP address.
K
Key
A set of information (often 40 to as much as 256 bits) that is used as a seed to an
encryption algorithm to encrypt (scramble) data. Ideally, the key must also be
known by the receiver to decrypt the data.
L
LAN
A system of connecting PCs and other devices within the same physical
proximity for sharing resources such as internet connections, printers, files, and
drives. When Wi-Fi is used to connect the devices, the system is known as a
wireless LAN or WLAN.
LED
Light-emitting diode.
Line of Sight (LoS)
A clear line from one antenna to another in a long-range wireless network.
Link point
The graphical point next to a radio icon that represents the connection point for
RF communications between radios. An RF connection between two radios is
called an RF Link and is represented as a graphical black line between the
radio’s link points.
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M
MAC ID
Media Access Control address. Every 802.11 device has its own MAC address.
This is a unique identifier used to provide security for wireless networks. When a
network uses a MAC table, only the 802.11 radios that have had their MAC
addresses added to the network’s MAC table are able to get on the network.
Master device
Device that is connected to the Master radio.
Mbps
Megabits per second, or millions of bits per second. A measure of bandwidth.
Megahertz
A measure of electromagnetic wave frequency equal to one million hertz. Often
abbreviated as MHz and used to specify the radio frequency used by wireless
devices.
Mesh Networking
Features free standing, non wired network nodes that communicate among one
another and form self-configuring networks, with only one node required to hook
into a wired LAN. The other nodes are simply plugged into an electrical outlet, so
cabling is much less of an issue.
MIC
Message Integrity Check. One of the elements added to the TKIP standard. A
"signature" is added by each radio on each packet it transmits. The signature is
based on the data in the packet, a 64-bit value (key) and the MAC address of the
sender. The MIC allows the receiving radio to verify (check) that the data is not
forged.
MIMO
Multiple Input Multiple Output refers to using multiple antennas in a Wi-Fi device
to improve performance and throughput. MIMO technology takes advantage of a
characteristic called multipath, which occurs when a radio transmission starts out
at Point A and the reflects off or passes through surfaces or objects before
arriving, via multiple paths, at Point B. MIMO technology uses multiple antennas
to collect and organize signals arriving via these paths.
Modbus
The Modbus protocol provides the internal standard that the MODICON®
controllers use for parsing messages. During communications on a Modbus
network, the protocol determines how each controller will know its device
address, recognize a message addressed to it, determine the kind of action to be
taken, and extract any data or other information contained in the message. If a
reply is required, the controller will construct the reply message and send it using
Modbus protocol.
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Modem
Stands for MODulator-DEModulator, a device that converts digital signals to
analog signals and vice-versa. Analog signals can be transmitted over
communications links such as telephone lines.
N
Network
A series of stations or nodes connected by some type of communication medium.
A network may consist of a single link or multiple links.
Node
An address or software location on the network.
Null Modem Cable
A specialty cross-communication cable with female connectors on each end used
for direct connection between devices when no modems are present. Commonly
used as a quick and inexpensive way to transfer files between two PCs without
installing a dedicated network card in each PC.
P
Panel Antenna
An antenna type that radiates in only a specific direction. Panel antennas are
commonly used for point-to-point situations. Sometimes called Patch antennas.
Parabolic Antenna
An antenna type that radiates a very narrow beam in a specific direction.
Parabolic antennas offer the highest gain for long-range point-to-point situations.
Peer-to-Peer Network
Each radio in a Peer-to-Peer network has the ability to receive data from - and
transmit data to - any other radio in the network.
Point-Multipoint (Broadcast) Network
A network type where a single master radio sends data to every remote radio in
the network. This is done repeatedly until every remote radio individually receives
and acknowledges the data. Each remote radio sends pending data to the
master radio that receives and acknowledges data sent from each remote. In this
configuration, there are multiple remote radios referenced to a single master
radio.
Point-Multipoint (Modbus) Network
A network with a single Master radio and multiple Remote radios. The devices
cabled to the radios communicate through the Modbus standard protocol. The
Master radio sends data to a Remote radio based on the Modbus address of the
Modbus device. The data is only sent to the single Remote device based on its
address. Each Remote radio sends its data only to the Master radio. The Master
and Remote radios acknowledge that data was received correctly.
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Point-to-Multipoint
A wireless network in which one point (the access point) serves multiple other
points around it. Indoor wireless networks are all point-to-multipoint, and longrange wireless networks that serve multiple clients usually employ either a single
omnidirectional antenna or multiple sector antennas.
Point-to-Point Network
A network consisting of a single Master radio and a single Remote radio. All data
from the Master is received and acknowledged by one Remote. All data from the
single Remote is received and acknowledged by the Master radio.
Poll
A method of electronic communication.
Power Supply
Device that supplies electrical power to the I/O chassis containing the processor,
coprocessor, or other modules.
Protocol
The language or packaging of information that is transmitted between nodes on a
network.
Q
QoS
Quality of Service. Required to support wireless multimedia applications and
advanced traffic management. QoS enables Wi-Fi access points to prioritize
traffic and optimize the way shared network resources are allocated among
different applications.
R
RADIUS
Remote Access Dial-In Service. This describes a general method for allowing
remote users access to a network. It authenticates the user, specifies passwords
and access rights to network resources. It also keeps track of accounting for
when and how long the user is logged onto the network. It was originally used for
dial-in users, accessing corporate networks via modems. It is now being
specified as part of the 802.11i standard to control access of users to wireless
networks. Any of several protocols can be used by the wireless client to
communicate with the RADIUS server to gain access to the network resources.
These protocols include EAP-TLS (Windows), LEAP (Cisco) and EAP-TTLS.
Range
The distance covered by a wireless network radio device. Depending on the
environment and the type of antenna used, Wi-Fi signals can have a range of up
to a mile.
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Remote Access Point
One of a number of secondary access points in a wireless network that uses
WDS to extend its range. Remote access points (sometimes called relay access
points) connect to a master access point.
Remote device
Devices connected remote radios
Repeater
A Repeater is a device used to extend the range of a Wi-Fi signal. Placed at the
edge of signal reception, a repeater simply receives and re-transmits the signal.
RS-232
Recommended Standard 232; the standard for serial binary signals between
DTE and DCE devices.
RTU (Remote Terminal Unit)
Modbus transmission mode where each eight-bit byte in a message contains two
four-bit hexadecimal characters. There are two transmission modes (ASCII or
RTU). The main advantage of the RTU mode is that its greater character density
allows better data throughput than ASCII mode for the same baud rate; each
message is transmitted in a continuous stream (See also ASCII, above).
S
Sector Antenna
An antenna type that radiates in only a specific direction. Multiple sector
antennas are commonly used in point-to-multipoint situations.
Signal Diversity
A process by which two small dipole antennas are used to send and receive,
combining their results for better effect.
Signal Loss
The amount of signal strength that’s lost in antenna cable, connectors, and free
space. Signal loss is measured in decibels. Also referred to as gain loss.
Signal Strength
The strength of the radio waves in a wireless network.
Simplex
A communications circuit or system designed to either transmit data or receive
data, but not both. Broadcast television is an example of simplex communication
system. A television station sends a TV signal but cannot receive responses
back from the television sets to which it is transmitting. The TV sets can receive
the signal from the TV station but cannot transmit back to the station.
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Site Survey
A comprehensive facility study performed by network managers to ensure that
planned service levels will be met when a new wireless LAN, or additional WLAN
segments to an existing network are deployed. Site survey’s are usually
performed by a radio frequency engineer and used by systems integrators to
identify the optimum placement of access points to ensure that planned levels of
service are met. Site surveys are sometimes conducted following the deployment
to ensure that the WLAN is achieving the necessary level of coverage. Site
surveys can also be used to detect rogue access points.
Smart-Switched Ethernet Network
Smart Switched Ethernet (SSE) network is suitable for any communication
pattern between the radios. It efficiently determines whether to broadcast to all
radios or direct to a single radio on a packet by packet basis.
Spectrum
A range of electromagnetic frequencies.
Spread Spectrum
A form of wireless communication in which a signal’s frequency is deliberately
varied. This increases bandwidth and lessens the chances of interruption or
interception of the transmitted signal.
SSI
Service Set Identifier is a sequence of characters unique to a specific network or
network segment that’s used by the network and all attached devices to identify
themselves and allow devices to connect to the correct network when one or
more than one independent network is operating in nearby areas.
Subnet Mask
A mask used to determine what subnet an IP address belongs to. An IP address
has two components: the network address, and the host (node or device)
address. For example, consider the IP address 150.215.017.009. Assuming this
is part of a Class B network (with a subnet mask of 255.255.0.0), the first two
numbers (150.215) represent the Class B network address, and the second two
numbers (017.009) identify a particular host on this network.
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T
TKIP
Temporal Key Integrity Protocol. The wireless security encryption mechanism in
Wi-Fi Protected Access. TKIP uses a key hierarchy and key management
methodology that removes the predictability that intruders relied upon to exploit
the WEP key. In increases the size of the key from 40 to 128 bits and replaces
WEP’s single static key with keys that are dynamically generated and distributed
by an authentication server, providing some 500 trillion possible keys that can be
used on a given data packet. If also includes a Message Integrity Check (MIC),
designed to prevent the attacker from capturing data packets, altering them, and
resending them. By greatly expanding the size of keys, the number of keys in
use, and by creating an integrity checking mechanism, TKIP magnifies the
complexity and difficulty involved in decoding data on a Wi-Fi network. TKIP
greatly increases the strength and complexity of wireless encryption, making it far
more difficult (if not impossible) for a would-be intruder to break into a Wi-Fi
network.
U
UART
Universal Asynchronous Receiver/Transmitter
W
WAP
Wireless Application Protocol. A set of standards to enable wireless devices to
access internet services, such as the World Wide Web and email.
WDS
Wireless Distribution System. Enables access points to communicate with one
another in order to extend the range of a wireless networks. Used in 802.11g
based access points.
WEP
Wired-Equivalent Privacy protocol was specified in the IEEE 802.11 standard to
provide a WLAN with a minimal level of security and privacy comparable to a
typical wired LAN, using data encryption.
Wi-Fi
A certification mark managed by a trade group called the Wi-Fi Alliance. Wi-Fi
certification encompasses numerous standards including 802.11a, 802.11b,
802.11g, WPA, and more. Equipment must pass compatibility testing to receive
the Wi-Fi mark.
Wi-Fi CERTIFIED™
The certification standard designating IEEE 802.11-based wireless local area
network (WLAN) products that have passed interoperability testing requirements
developed and governed by the Wi-Fi alliance.
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Wi-Fi Interoperability Certificate
A statement that a product has passed interoperability testing and will work with
other Wi-Fi CERTIFIED products.
Wi-Fi Protected Setup
Wi-Fi Protected Setup™ (previously called Wi-Fi Simple Config) is an optional
certification program developed by the Wi-Fi alliance designed to ease set up of
security enabled Wi-Fi networks in the home and small office environment. Wi-Fi
Protected Setup supports methods (pushing a button or entering a PIN into a
wizard-type application) that are familiar to most consumers to configure a
network and enable security.
Wireless Gateway
Term used to differentiate between an access point and a more-capable device
that can share an internet connection, serve DHCP, and bridge between wired
and wireless networks.
Wireless Network
Devices connected to a network using a centralized wireless access point.
WLAN
Wireless Local Area Network. A type of local area network in which data is sent
and received via high-frequency radio waves rather than cables or wires.
WPA
Wi-Fi Protected Access is a data encryption specification for 802.11 wireless
networks that replaces the weaker WEP. It improves on WEP by using dynamic
keys, Extensible Authentication Protocol to secure network access, and an
encryption method called Temporal Key Integrity Protocol (TKIP) to secure data
transmissions.
WPA2
An enhanced version of WPA. It is the official 802.11i standard. It uses Advanced
Encryption Standard instead of TKIP. AES supports 128-bit, 192-bit, and 256-bit
encryption keys.
Y
Yagi Antenna
An antenna type that radiates in only a specific direction. Yagi antennas are used
in point-to-point situations.
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In This Chapter
Contacting Technical Support ............................................................... 99
Return Material Authorization (RMA) Policies and Conditions ............. 101
RadioLinx® Industrial Frequency Hopping Ethernet Radios User Manual
5 Support, Service & Warranty
Contacting Technical Support
ProSoft Technology, Inc. (ProSoft) is committed to providing the most efficient
and effective support possible. Before calling, please gather the following
information to assist in expediting this process:
1 Product Version Number
2 System architecture
3 Network details
If the issue is hardware related, we will also need information regarding:
1 Module configuration and associated ladder files, if any
2 Module operation and any unusual behavior
3 Configuration/Debug status information
4 LED patterns
5 Details about the serial, Ethernet or fieldbus devices interfaced to the module,
if any.
Note: For technical support calls within the United States, an after-hours
answering system allows 24-hour/7-days-a-week pager access to one of our
qualified Technical and/or Application Support Engineers. Detailed contact
information for all our worldwide locations is available on the following page.
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Internet
Web Site: www.prosoft-technology.com/support
E-mail address: support@prosoft-technology.com
Asia Pacific
(location in Malaysia)
Tel: +603.7724.2080, E-mail: asiapc@prosoft-technology.com
Languages spoken include: Chinese, English
Asia Pacific
(location in China)
Tel: +86.21.5187.7337 x888, E-mail: asiapc@prosoft-technology.com
Languages spoken include: Chinese, English
Europe
(location in Toulouse,
France)
Tel: +33 (0) 5.34.36.87.20,
E-mail: support.EMEA@prosoft-technology.com
Languages spoken include: French, English
Europe
(location in Dubai, UAE)
Tel: +971-4-214-6911,
E-mail: mea@prosoft-technology.com
Languages spoken include: English, Hindi
North America
(location in California)
Tel: +1.661.716.5100,
E-mail: support@prosoft-technology.com
Languages spoken include: English, Spanish
Latin America
(Oficina Regional)
Tel: +1-281-2989109,
E-Mail: latinam@prosoft-technology.com
Languages spoken include: Spanish, English
Latin America
(location in Puebla, Mexico)
Tel: +52-222-3-99-6565,
E-mail: soporte@prosoft-technology.com
Languages spoken include: Spanish
Brasil
(location in Sao Paulo)
Tel: +55-11-5083-3776,
E-mail: brasil@prosoft-technology.com
Languages spoken include: Portuguese, English
User Manual RadioLinx® Industrial Frequency Hopping Ethernet Radios
Page 100 of 109 ProSoft Technology, Inc.
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