Sea Tel DAC-2202 Manuale utente

Sea Tel, Inc.

4030 Nelson Avenue

Concord, CA 94520

Tel: (925) 798-7979

Fax: (925) 798-7986

Email: seatel@cobham.com

Web: www.cobham.com\seatel

Sea Tel Europe

Unit 1, Orion Industrial Centre

Wide Lane, Swaythling

Southampton, UK S0 18 2HJ

Tel: 44 (0)23 80 671155

Fax: 44 (0)23 80 671166

Email: seatel@cobham.com

Web: www.cobham.com\seatel

Sea Tel Inc doing business as Cobham SATCOM

October 28, 2008 Document. No. 126523 Revision E1

INSTALLATION AND OPERATION MANUAL

FOR SEA TEL MODEL

DAC-2202 ANTENNA CONTROL UNIT

These commodities, technology or software were exported from the

United States in accordance with the Export Administration Regulations.

Diversion contrary to U.S. law is prohibited.

Sea Tel Marine Stabilized Antenna systems are manufactured in the

United States of America.

Sea Tel is an ISO 9001:2000 registered company. Certificate Number 19.2867 was

issued August 12, 2005. Sea Tel was originally registered on November 09, 1998.

The DAC-2200 Antenna Control Unit (exclusively for use with Sea Tel Marine

Stabilized Antenna Pedestals) complies with the requirements of European Norms and

European Standards EN 60945 (1997) and prETS 300 339 (1998-03). Sea Tel

European Union Declaration of Conformity for this equipment is contained in this

manual.

document may not be reproduced or distributed in any form without the consent of Sea Tel, Inc.

The information in this document is subject to change without notice.

Revision History

REV ECO# Date Description By

A N/A May 23, 2007 Production release ECM

A1 N/A May 30, 2007 Updated Installation Text MDN

A2 N/A June 7, 2007 Updated Setup Text MDN

B N/A July 5, 2007 Updated Text per engineering dept. feedback ECM

C N/A October 3, 2007 Updated text and added text as required ECM

D N/A December 12, 2007 Updated text to include SCPC functionality and internal HTML

page

ECM

E N/A April 18, 2008 Updated text to include new search, new blockage mapping

including EL Limits and added SCPC receivers

MDN

E1 N/A October 28, 2008 Updated logo and font MDN

DAC-2202 Antenna Control Unit Table of Contents

1. INTRODUCTION ......................................................................................................................................................................1-1

1.1. GENERAL DESCRIPTION OF SYSTEM ......................................................................................................................................1-1

1.2. GENERAL SCOPE OF THIS MANUAL .......................................................................................................................................1-2

1.3. QUICK OVERVIEW OF CONTENTS ..........................................................................................................................................1-2

2. OPERATION.................................................................................................................................................................................2-1

2.1. QUICK START OPERATION.......................................................................................................................................................2-1

2.2. FRONT PANEL LAYOUT .............................................................................................................................................................2-1

2.3. BASIC FUNCTION OF FRONT PANEL KEYS............................................................................................................................2-2

2.4. BASIC DESCRIPTION OF FRONT PANEL STATUS LEDS......................................................................................................2-2

2.5. DISPLAY &ENTRY OPERATION MENUS................................................................................................................................2-3

2.5.1. Ship Information Menus.....................................................................................................................................2-4

2.5.2. Satellite Information Menus. ...........................................................................................................................2-5

2.5.3. Antenna Information Menus. ..........................................................................................................................2-9

2.5.4. Status information menus. ............................................................................................................................. 2-10

2.5.5. SETUP Parameter display and entry menus.......................................................................................... 2-11

2.6. TRACKING OPERATION..........................................................................................................................................................2-11

2.6.1. DishScan Operation............................................................................................................................................ 2-12

2.7. SEARCHING OPERATION........................................................................................................................................................2-12

2.7.1. Default Standard (Box) Search Pattern ................................................................................................... 2-13

2.7.2. Inclined Orbit Search Pattern....................................................................................................................... 2-13

2.7.3. No Gyro Search Pattern................................................................................................................................... 2-14

2.8. AUTO-POLARIZATION OPERATION.....................................................................................................................................2-15

2.9. RADOME ASSEMBLY OPERATION ........................................................................................................................................2-15

3. BASIC SYSTEM INFORMATION.................................................................................................................................3-17

3.1. SATELLITE BASICS ..................................................................................................................................................................3-17

3.1.1. C-Band Receive Frequency (3.7-4.2GHz) ................................................................................................ 3-17

3.1.2. Ku-Band Receive Frequency (10.95-12.75GHz)................................................................................... 3-17

3.1.3. Blockage................................................................................................................................................................... 3-17

3.1.4. Rain Fade.................................................................................................................................................................. 3-17

3.1.5. Signal level............................................................................................................................................................... 3-18

3.1.6. Satellite Footprint Charts................................................................................................................................ 3-18

3.1.7. Linear Satellite polarization............................................................................................................................ 3-18

3.2. ANTENNA BASICS...................................................................................................................................................................3-18

3.2.1. Stabilization............................................................................................................................................................ 3-19

3.2.2. Azimuth..................................................................................................................................................................... 3-19

3.2.3. Elevation................................................................................................................................................................... 3-19

3.2.4. Antenna polarization......................................................................................................................................... 3-20

3.2.5. Tracking Receivers .............................................................................................................................................. 3-20

3.2.6. Tracking.................................................................................................................................................................... 3-20

3.3. COMPONENTS OF THE SYSTEM CONFIGURATION...........................................................................................................3-20

3.3.1. Antenna ADE Assembly ................................................................................................................................... 3-21

3.3.2. Antenna Control Unit ........................................................................................................................................ 3-21

3.3.3. Below Decks AC Power Supply..................................................................................................................... 3-21

4. INSTALLATION.........................................................................................................................................................................4-1

4.1. GENERAL CAUTIONS &WARNINGS.......................................................................................................................................4-1

Table of Contents DAC-2202 Antenna Control Unit

4.2. SITE SURVEY............................................................................................................................................................................... 4-1

4.3. PREPARING FOR THE INSTALLATION..................................................................................................................................... 4-1

4.3.1. Unpack Shipping Crates and Inspect / Inventory ................................................................................ 4-1

4.3.2. Preparing BDE Location...................................................................................................................................... 4-1

4.3.3. Read the Installation Information................................................................................................................ 4-1

4.3.4. Plan The Install........................................................................................................................................................ 4-1

4.3.5. The Installing Cables............................................................................................................................................ 4-1

4.4. INSTALL THE ACU..................................................................................................................................................................... 4-2

4.5. INSTALL THE TERMINAL MOUNTING STRIP (TMS) .......................................................................................................... 4-2

4.6. INSTALL THE BASE MULTIPLEXER PANEL ............................................................................................................................. 4-2

4.7. TERMINAL MOUNTING STRIP (TMS) CONNECTIONS...................................................................................................... 4-2

4.8. AC POWER TO THE ACU........................................................................................................................................................ 4-4

4.9. AGC TRACKING CONNECTION............................................................................................................................................... 4-4

4.10. MONITOR AND CONTROL CONNECTIONS........................................................................................................................... 4-4

4.11. INSTALL OTHER BDE EQUIPMENT......................................................................................................................................... 4-5

4.12. FINAL CHECKS............................................................................................................................................................................ 4-5

4.12.1. Visual/Electrical inspection............................................................................................................................... 4-5

4.13. POWER-UP.................................................................................................................................................................................. 4-5

4.14. SETUP........................................................................................................................................................................................... 4-5

5. SETUP ..............................................................................................................................................................................................5-1

5.1. OPERATOR SETTINGS................................................................................................................................................................ 5-1

5.2. DEFAULT SETUP PARAMETERS FOR YOUR ANTENNA ....................................................................................................... 5-1

5.3. SETUP PARAMETER DISPLAY AND ENTRY MENUS............................................................................................................. 5-1

5.4. EL TRIM ..................................................................................................................................................................................... 5-1

5.5. AZ TRIM.................................................................................................................................................................................... 5-2

5.6. AUTO THRES........................................................................................................................................................................... 5-2

5.7. EL STEP SIZE............................................................................................................................................................................ 5-2

5.8. AZ STEP SIZE .......................................................................................................................................................................... 5-2

5.9. STEP INTEGRAL ..................................................................................................................................................................... 5-3

5.10. SEARCH INC ............................................................................................................................................................................ 5-3

5.11. SEARCH LIMIT ....................................................................................................................................................................... 5-3

5.12. SWEEP INC............................................................................................................................................................................... 5-3

5.13. SYSTEM TYPE ......................................................................................................................................................................... 5-4

5.14. GYRO TYPE............................................................................................................................................................................... 5-4

5.15. POLANG TYPE......................................................................................................................................................................... 5-4

5.16. POL OFFSET............................................................................................................................................................................. 5-5

5.17. POL SCALE................................................................................................................................................................................ 5-5

5.18. RADIATION HAZARD AND BLOCKAGE MAPPING (AZ LIMIT PARAMETERS)............................................................... 5-5

5.19. 5V OFFSET (MAY NOT BE IN YOUR SOFTWARE)........................................................................................................... 5-10

5.20. 5V SCALE (MAY NOT BE IN YOUR SOFTWARE).............................................................................................................. 5-10

5.21. TX POLARITY........................................................................................................................................................................... 5-10

5.22. TRACK DISP.......................................................................................................................................................................... 5-10

5.23. SAVE NEW PARAMETERS .............................................................................................................................................. 5-11

5.24. REMOTE COMMAND ....................................................................................................................................................... 5-11

5.25. REMOTE MONITOR........................................................................................................................................................... 5-11

DAC-2202 Antenna Control Unit Table of Contents

vii

5.26. TO DISABLE/ENABLE DISHSCAN.........................................................................................................................................5-11

5.27. SATELLITE REFERENCE MODE ..............................................................................................................................................5-12

5.28. REMOTE TILT.......................................................................................................................................................................5-12

5.29. REMOTE PARAMETERS ...................................................................................................................................................5-12

5.30. REMOTE UPLOAD...............................................................................................................................................................5-12

6. FUNCTIONAL TESTING ......................................................................................................................................................6-1

6.1. ACU /ANTENNA SYSTEM CHECK..........................................................................................................................................6-1

6.2. LATITUDE/LONGITUDE AUTO-UPDATE CHECK...................................................................................................................6-1

6.3. SHIP HEADING –GYRO COMPASS FOLLOWING CHECK....................................................................................................6-1

6.4. AZIMUTH &ELEVATION DRIVE..............................................................................................................................................6-1

6.5. FOUR QUADRANT TRACKING TEST .......................................................................................................................................6-1

6.6. BLOCKAGE SIMULATION TEST................................................................................................................................................6-2

6.7. CHECK ACU PARAMETERS ......................................................................................................................................................6-3

7. MAINTENANCE & TROUBLESHOOTING .................................................................................................................7-1

7.1. GENERAL CAUTIONS &WARNINGS.......................................................................................................................................7-1

7.2. TROUBLESHOOTING THE ACU ...............................................................................................................................................7-1

7.2.1. ACU display is blank ..............................................................................................................................................7-1

7.2.2. ACU Status displays "REMOTE NOT RESPONDING" ............................................................................7-1

7.3. TROUBLESHOOTING SHIPS GYRO COMPASS PROBLEMS ...................................................................................................7-1

7.3.1. STEP-BY-STEP...........................................................................................................................................................7-2

7.3.2. 1:1 SYNCHRO ............................................................................................................................................................7-2

7.3.3. 360:1 Synchro ..........................................................................................................................................................7-3

7.4. DISPLAY OFFSETS /OPTIMIZING TARGETING ....................................................................................................................7-3

7.5. PEDESTAL CONTROL UNIT CONFIGURATION......................................................................................................................7-3

7.6. CONFIGURING THE COMM IF PORTS OF THE DAC-2202 ACU..................................................................................7-3

7.7. PROGRAMMING INSTRUCTIONS ANTENNA CONTROL UNIT ...........................................................................................7-6

7.8. PROGRAMMING INSTRUCTIONS PEDESTAL CONTROL UNIT............................................................................................7-9

7.9. COMMUNICATIONS INTERFACE (COMMIF PCB) SOFTWARE UPLOAD INSTRUCTIONS........................................7-12

7.10. INTERNAL HTML PAGE .........................................................................................................................................................7-14

7.10.1. System Information........................................................................................................................................... 7-15

7.10.2. Communication Port Settings ...................................................................................................................... 7-16

7.10.3. DAC Parameters Page 1................................................................................................................................... 7-18

7.10.4. DAC Parameters Page 2................................................................................................................................... 7-19

7.10.5. Status Page ............................................................................................................................................................. 7-20

8. TECHNICAL SPECIFICATIONS......................................................................................................................................8-1

8.1. DAC-2202 ANTENNA CONTROL UNIT ...............................................................................................................................8-1

8.1.1. General.........................................................................................................................................................................8-1

8.1.2. Front Panel.................................................................................................................................................................8-1

8.1.3. Rear Panel...................................................................................................................................................................8-1

8.1.4. J4A “Antenna” Pedestal M&C Interface .....................................................................................................8-1

8.1.5. J4B “Antenna” Pedestal M&C Interface......................................................................................................8-2

8.1.6. J3 “M&C” Aux Serial Interface .........................................................................................................................8-2

8.1.7. J2 “NMEA A” Interface.........................................................................................................................................8-2

8.1.8. J2 “NMEA B” Interface.........................................................................................................................................8-2

8.1.9. Ethernet.......................................................................................................................................................................8-2

Table of Contents DAC-2202 Antenna Control Unit

viii

8.1.10. DVB Compliant Tracking Receiver................................................................................................................. 8-3

8.1.11. L-Band SCPC Narrow Band Tracking Receiver........................................................................................ 8-3

8.1.12. Narrow Band SCPC receiver: ............................................................................................................................ 8-3

8.2. TERMINAL MOUNTING STRIP................................................................................................................................................. 8-3

8.2.1. Synchro Interface:................................................................................................................................................. 8-3

8.2.2. SBS Interface............................................................................................................................................................ 8-4

8.2.3. Control Interface ................................................................................................................................................... 8-4

8.2.4. NMEA Interface...................................................................................................................................................... 8-4

8.3. ENVIRONMENTAL CONDITIONS ............................................................................................................................................. 8-4

8.4. CABLES......................................................................................................................................................................................... 8-5

8.4.1. DAC-2200 AC Power Cable............................................................................................................................... 8-5

8.4.2. Antenna Control Cable........................................................................................................................................ 8-5

8.4.3. IF Signal Cables ...................................................................................................................................................... 8-5

8.4.4. SBS/Synchro Gyro Compass Interface Cable (Customer Furnished)......................................... 8-5

8.4.5. Audio / Video cables ............................................................................................................................................. 8-5

9. DRAWINGS ..................................................................................................................................................................................9-1

9.1. DAC-2202 ANTENNA CONTROL UNIT DRAWINGS......................................................................................................... 9-1

DAC-2202 Antenna Control Unit Introduction

1-1

1. Introduction

This manual describes the Sea Tel Model DAC-2202 Series of shipboard Tracking Antenna Control

Units (ACU). System information, installation, setup, operating instructions, functional testing and

maintenance for the ACU are also contained herein.

This ACU allows you to control the antenna that it is connected to. It also allows you to connect your

Gyro Compass to provide heading input to the system for accurate targeting of satellites.

1.1. General Description of System

The Antenna Control Unit (ACU) has been designed and manufactured so as to be inherently reliable, easy

to maintain, and simple to operate. Except for start-ups, or when changing to operate with different

transponders or satellites, the equipment essentially permits unattended operation.

This ACU is housed in a standard 1 Unit high, 19-inch rack mount enclosure. The front panel contains

function keys used to select the desired information to be displayed, and/or changed. Data is displayed on a

2 line 20 character display. All external connections are interfaced through connectors mounted on the rear

panel.

The shipboard gyrocompass input is used as the long-term azimuth reference. The ACU accepts gyro

compass input from Step-By-Step OR 1:1, 36:1, 90:1 or 360:1 Synchro OR NMEA 0183 serial interface. A

GPS antenna is provided on your antenna pedestal to provide Latitude and Longitude location for the

system.

The ACU automatically calculates the Elevation, Azimuth and Polarization pointing angles based on the

ships Latitude, Longitude and the desired Satellite Longitude position. A programmable pattern search will

automatically scan the area for a desired satellite if no signal is found. These two features make locating a

new satellite very easy.

The internal Satellite ID Tracking Receiver (DVB Receiver) uses received satellite signal input to keep the

antenna peaked on satellite. This internal digital receiver allows you to tune it to any frequency in the 950

to 2150 MHz range for tracking a wide bandwidth satellite signal.

It is normally connected to an Antenna and other equipment to form a system. The system consists of two

major groups of equipment; an above-decks group and a below-decks group. Each group is comprised of,

but not limited to, the items listed below. All equipment comprising the Above Decks is incorporated inside

the radome assembly and is integrated into a single operational entity. For operation, this system requires

only an unobstructed line-of-sight view to the satellite, GPS Latitude & Longitude input (provided with

antenna pedestal), Ship’s Gyro Compass input and AC electrical power.

The following text provides a basic functional overview of the system components and component

interconnection as referred to in the System Block Diagram(s) for your model antenna.

Television Receive Only (TVRO) Systems are comprised of two major sections: The Above-Decks Equipment

(ADE) is comprised of the Sea Tel antenna & radome assembly which is mounted outside, on an upper deck

location chosen for best satellite reception. The Below-Decks Equipment (BDE) includes the Antenna

Control Unit and will have satellite receiver(s), TV set(s) and all other ancillary equipment that is mounted in

various locations throughout the interior of the ship. Refer to your antenna manual for more specific

configuration information.

Transmit/Receive (TXRX) Systems are also comprised of two major sections: The Above-Decks Equipment

(ADE) is comprised of the Sea Tel antenna & radome assembly which is mounted outside, on an upper deck

location chosen for best satellite reception. The Antenna inside the radome has Transmit & Receive RF

equipment mounted on it. The Below-Decks Equipment (BDE) includes the Antenna Control Unit and will

have satellite modem, multiplexer and all other ancillary communications equipment that is mounted in

various locations throughout the interior of the ship. Refer to your antenna manual for more specific

configuration information.

Introduction DAC-2202 Antenna Control Unit

1-2

1.2. General Scope of This Manual

This manual describes operation and installation of this Antenna Control Unit.

1.3. Quick Overview of Contents

The information in this manual is organized into chapters; Operation, Installation, Setup, Functional Testing,

Maintenance & Troubleshooting, Technical Specifications and Drawings.

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