OPW Wireless Petro-Net Modem Manuale utente

Document #: M00-20-7074 Rev. 005

Issue Date: December 14, 2011

Supersedes: Rev. 004

Central Technical Support Number: 1-877-OPW-TECH (877-679-8324)

Calls outside US and Canada: 1-708-485-4200 Fax: 1 (800) 421-3297

Hours: Monday through Friday, 7:00 am to 6:00 pm, US CST

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Wireless Petro-Net Modem®

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Document #: M00-20-7074 Rev. 005

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trademarks of Delaware Capital Formation, Inc., a wholly owned subsidiary of Dover Corporation.

OPW products must be used in compliance with applicable federal, provincial, and local laws and regulations.

Product selection should be based on physical specifications and limitations and compatibility with environment

and material to be handled. OPW makes no warranty of fitness for a particular use. All illustrations and

specifications are subject to change at any time, and models may be discontinued at any time, in either case,

without notice or obligation.

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Document #: M00-20-7074 Rev. 005

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Table of Contents

1. Introduction ..................................................................................................................................................5

1.1 Overview..................................................................................................................................................5

1.2 Wireless Modem Kit.................................................................................................................................5

2. Pre-Installation Considerations....................................................................................................................6

2.1 Installation Restrictions and Requirements .............................................................................................6

2.2 Conducting a Site Survey........................................................................................................................6

2.2.1 Environment ...................................................................................................................................6

2.2.2 Increasing Antenna Gain................................................................................................................8

2.2.3 Mounting Considerations................................................................................................................9

3. Typical Installations for the Wireless Petro-Net Modem®..........................................................................10

3.1 Typical Installations ...............................................................................................................................10

3.2 FIT-Mounted 6 in antenna .....................................................................................................................10

3.3 FIT with Remote Antenna (recommended) ...........................................................................................12

3.4 Multiple FITs (Networking).....................................................................................................................12

3.5 FSC with Remote Antenna (Recommended by Manufacturer) .............................................................12

3.6 FSC with Remote Modem .....................................................................................................................13

3.7 FSC with Modem-Mounted Antenna (Not Recommended)...................................................................13

3.8 Automated Tank Gauge Console ..........................................................................................................14

3.8.1 SiteSentinel® iSite™ with VSmart Pole-Mounted Outside...........................................................14

3.8.2 SiteSentinel® iSite™ with VSmart in a Building ...........................................................................15

3.9 Communication......................................................................................................................................16

3.9.1 Pre-wired Petro-Net Connector....................................................................................................16

3.10 FIT Wiring .........................................................................................................................................16

3.10.1 FIT Installation Location Wiring................................................................................................16

3.11 FSC Installation Location Wiring.......................................................................................................17

3.12 Tank Gauge Installation Location Wiring ..........................................................................................18

3.12.1 SiteSentinel® iSite™ Console Connection ..............................................................................18

3.12.2 VSmart Connection:.................................................................................................................19

4. XTEND Modem Advanced Configuration...................................................................................................20

4.1 What You Will Need ..............................................................................................................................20

4.2 Configuration Settings...........................................................................................................................20

4.3 Installing the Software...........................................................................................................................20

4.4 FSC to Multiple FIT Operation (3 or More Wireless Modems) ..............................................................21

4.4.1 FSC Modem Configuration...........................................................................................................22

4.4.2 FIT #1 Modem Configuration........................................................................................................23

4.4.3 FIT #2 Modem Configuration........................................................................................................24

4.5 Point-To-Point Operation (2 Wireless Modems)....................................................................................25

4.5.1 Modem #1 Configuration..............................................................................................................26

4.5.2 Modem #2 Configuration..............................................................................................................27

5. Operation and Troubleshooting..................................................................................................................28

5.1 Hardware Setup.....................................................................................................................................28

5.2 Range Test Setup..................................................................................................................................29

5.2.1 Performing a Range Test .............................................................................................................29

5.3 Switch Settings......................................................................................................................................31

5.4 Troubleshooting.....................................................................................................................................31

5.4.1 OPW Switch Settings ...................................................................................................................32

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Document #: M00-20-7074 Rev. 005

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List of Figures

Figure 1-1 Wireless Modem____________________________________________________________ 5

Figure 2-1 Basic Communication System _________________________________________________ 6

Figure 2-2 Fresnel Zone ______________________________________________________________ 7

Figure 2-3 Physical Obstructions Overcome by Antenna Height________________________________ 7

Figure 3-1 FIT-Mounted Modem Power Supply____________________________________________ 10

Figure 3-2 FIT-Mounted Modem: Inside View _____________________________________________ 11

Figure 3-3 FIT Remote Antenna: Outside View____________________________________________ 11

Figure 3-4 Remote Directional Antenna__________________________________________________ 12

Figure 3-5 Wireless Petro-Net Installation with VSmart Pole Mounted Outside ___________________ 14

Figure 3-6 Wireless Petro-Net Installation with VSmart Inside a Building ________________________ 15

Figure 3-7 Terminal Connections to iSite Console _________________________________________ 18

Figure 3-8 Terminal Connections to VSmart ______________________________________________ 18

Figure 4-1 FSC Modem Configuration___________________________________________________ 22

Figure 4-2 FIT #1 Modem Configuration _________________________________________________ 23

Figure 4-3 FIT #2 Modem Configuration _________________________________________________ 24

Figure 4-4 Modem #1 Configuration ____________________________________________________ 26

Figure 4-5 Modem #2 Configuration ____________________________________________________ 27

Figure 5-1 DIP Switches _____________________________________________________________ 28

Figure 5-2 Range Test Cable Setup ____________________________________________________ 28

Figure 5-3 PC Settings Tab___________________________________________________________ 29

Figure 5-4 Range Test Tab ___________________________________________________________ 30

Figure 5-5 DIP Switch Settings (Settings applied only when powering on) _______________________ 31

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Document #: M00-20-7074 Rev. 005

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1. Introduction

Figure 1-1 Wireless Modem

These instructions explain setting up the modem hardware, testing the range of the radio link, some advanced

(but optional) configuration possibilities and some tips for better operation.

Some installations may not be suitable for Wireless Communications. Contact OPW-FMS

technical service for site survey and testing information if you are unsure of your potential

installation site.

1.1 Overview

Your wireless modem can be used in many applications, including:

Sites that cannot be connected by conduit, sites that contain obstructions, roads, railroad tracks,

water, etc.

Property with dig restrictions

Locations with thick, reinforced concrete, such as airports, or trucking and military installations

Up to seven (7) wireless modems can communicate within the same network.

1.2 Wireless Modem Kit

The Wireless Petro-Net Modem®works with the following systems:

K800™ (software 1.09 or higher)

K800™Hybrid®

System2®

C/OPT®

FSC3000™

SiteSentinel®iSite™

The standard kit includes:

Radio modems with 6 in (152.4 m) antennas

Petro-Net connectors

Two (2) directional antennas

Two (2) 20 ft (6.1 m) antenna cables

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Document #: M00-20-7074 Rev. 005

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2. Pre-Installation Considerations

This section provides information about Wireless Petro-Net Modem requirements and restrictions for proper

installation.

2.1 Installation Restrictions and Requirements

IMPORTANT! Please Read....

Some sites may NOT be suitable for Wireless Communication.

Avoid metal buildings; wireless Petro-Net will not communicate through metal buildings.

Locate the modem near a window.

Mount the antenna on the outside of the building.

Keep the path to the receiving modem clear. If vehicle traffic at the island blocks the view of the

receiving modem, you must reposition the antenna to maintain LINE-OF-SIGHT from antenna to

antenna.

Note: Improper operation due to poor installation planning is not covered under warranty; it is

your responsibility to verify the suitability of the wireless application.

2.2 Conducting a Site Survey

Before you decide to install the Wireless Petro-Net Modem, you must first make sure that it will work at the

desired location. Communication systems have several components that should be looked at in each system:

Transmitting element

Receiving device

The environment through which communication is occurring; and

Antennas or other focusing elements

2.2.1 Environment

The space between the transmitter and the receiver is the system’s environment. This will be the main focus of

your site survey. Physical obstructions and noise (interference) can enter into the environment and limit the

system’s ability to get information from one place to another.

Attaining RF Line-of-Sight (LOS) between the sending and receiving antennas is essential in achieving a

reliable signal between the FIT and the FSC. There are two types of LOS that are generally used to describe

an environment:

Visual LOS is the ability to see from one site to the other. It requires only a straight linear path

between two points.

RF LOS requires not only visual LOS, but also a football-shaped path, called a Fresnel Zone, free

of obstacles for data to optimally travel from one point to another.

Transmitter

Receiver

Antenna 1

Antenna 2

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Document #: M00-20-7074 Rev. 005

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In order to achieve the greatest range, the Fresnel Zone must be free of obstructions. Buildings, trees or any

other obstacles in the path will decrease the communication range. If the antennas are mounted just barely off

the ground, more than half of the Fresnel Zone ends up being obstructed by the Earth, resulting in significant

reduction in range. To avoid this problem, the antennas should be mounted high enough off of the ground so

that the Earth does not interfere with the central diameter of the Fresnel Zone.

It is also important to understand that the environment may change over time due to growing vegetation,

building construction, etc. If obstacles exist between two points, the antennas can be raised on one end or on

both ends to clear the Fresnel Zone of obstructions.

How far above the ground and other obstacles the antennas need to be is determined by the diameter of the

Fresnel Zone. The diameter of the Fresnel Zone depends upon the frequency and distances between the two

radios. Various data points were inserted into Fresnel Zone formulas to provide some points of reference. The

following table provides approximate Fresnel Zone diameters at 1,000 ft (304.8 m) and 1-mile (1.6 km) ranges.

OPW does not recommend a distance greater than 5,000 feet (1524 m).

Transmitter

Antenna 1

Antenna 2

Receiver

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Document #: M00-20-7074 Rev. 005

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Table 2-1 Fresnel Zone Diameters

Range Distance

Required Fresnel Zone Diameter

(900 MHz Radios)

Required Fresnel Zone Diameter

(2.4 GHz Radios)

1000 ft. (300 m)

16 ft. (7 m)

11 ft. (5.4 m)

1 mile (1.6 km)

32 ft. (12 m)

21 ft. (8.4 m)

In order to have ground clearance, the combined antenna height should be equal to the diameter of the Fresnel

Zone.

2.2.2 Increasing Antenna Gain

Transmitting and receiving antennas are used to focus and direct radio waves in specific directions. Antennas

are another component that can be adjusted to increase the distance data can travel in a wireless-

communication system. Antenna gain is an important variable that can be adjusted in order to increase range.

Antenna gain describes the amount of focus the antenna is able to apply to the system by directing the energy.

The more focus the antenna can apply, the more range the system will yield. High-gain antennas can achieve

greater range than low-gain antennas, though they cover less area.

Omni-directional antennas focus energy evenly in a doughnut-shape around the antenna.

Gain vs. Vertical Beam Width (VBW)

2.1 dBi (0 dBd) = 75º VBW

5.1 dBi (3 dBd) = 33º VBW

8.1 dBi (6 dBd) = 17º VBW

Directional antennas focus energy more specifically in one direction.

Gain vs. Vertical Beam Width (VBW)

8.1 dBi (6 dBd) = 70º VBW

11.1 dBi (9 dBd) = 55º VBW

15.1 dBi (13 dBd) = 35º VBW

Notice how, like the flashlight, beam width is decreased as gain is increased.

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Document #: M00-20-7074 Rev. 005

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2.2.3 Mounting Considerations

When mounting an antenna, care should be taken to make sure it is as far away from metal objects as

possible. If nearby metal gets too close to an antenna, it has the potential to interfere with the way the antenna

radiates and may cause some undesirable results.

In some cases, a cable must be used to connect an antenna to a transmitter or receiver. All RF cables add

some loss to the system. For any given cable, the longer the cable the more signal will be lost over that cable.

Because of this the length of the cable should be kept as short as possible. Often a longer serial cable can be

used to minimize the length of the antenna cable.

If you have two (2) wireless modems, you do not have to configure the modems and you may

proceed with the installation instructions; the modems are pre-configured for two (2) or less

modems.

If you have three or more wireless modems, please refer to page 26 for setting up multiple

modems.

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Document #: M00-20-7074 Rev. 005

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3. Typical Installations for the Wireless Petro-Net Modem®

This section covers the various mounting and wiring instructions for typical Wireless Petro-Net Modem®

installations.

3.1 Typical Installations

The Wireless Petro-Net Modem®can be set up to work with various installations:

SiteSentinel®iSite™

FIT with Remote Antenna

Multiple FITs

FSC with Modem-Mounted Antenna

FSC with Remote Modem

Check with local authority for suitability of installation.

FSC with Remote Antenna

3.2 FIT-Mounted 6 in antenna

FIT-Mounted 6 in antenna is not suitable for all applications

When setting up the Wireless Petro-Net Modem®, you can install the antenna directly onto the FIT.

1. Connect the power supply to the power terminals in the FIT.

2. Place the modem on the bottom of the FIT.

3. Locate and drill a .375-inch hole for the antenna cable, seal this hole with silicone sealant.

4. Locate a position on the pedestal to install the antenna, drill a .25-inch hole for the connector.

5. Remember to keep line-of-sight with the FSC antenna, (e.g. this cannot be blocked by vehicle traffic at

the island) otherwise proceed to FIT with remote antenna mounting.

Figure 3-1 FIT-Mounted Modem Power Supply

6. Locate the power supply behind the main board.

7. Connect the power cable to the power connector on the system.

8. Connect the Petro-Net cable at this time. (Black wire to Terminal 1; White wire to Terminal 2).

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