1. Manuals
  2. Brands
  3. RESEARCH CONCEPTS Manuals
  4. Controller
  5. RC4500
  6. Integration manual

RESEARCH CONCEPTS RC4500 Integration Manual

Antenna control unit (acu)
Hide thumbs Also See for RC4500:
Table of Contents

Advertisement

Quick Links

Download this manual
RC4500 ANTENNA CONTROLLER
INTEGRATION MANUAL
RESEARCH CONCEPTS INC.
9501 Dice Lane
Lenexa, Kansas 66215 USA
VOICE: +1(913) 422-0210
FAX: +1(913) 422-0211
www.researchconcepts.com
support@researchconcepts.com
Contents subject to change
Serial No___________

Advertisement

Table of Contents
loading

Related Manuals for RESEARCH CONCEPTS RC4500

Summary of Contents for RESEARCH CONCEPTS RC4500

  • Page 1 RC4500 ANTENNA CONTROLLER INTEGRATION MANUAL RESEARCH CONCEPTS INC. 9501 Dice Lane Lenexa, Kansas 66215 USA VOICE: +1(913) 422-0210 FAX: +1(913) 422-0211 www.researchconcepts.com support@researchconcepts.com Contents subject to change Serial No___________...
  • Page 3 RC4500 ACU Revision History DATE MODIFICATION SW VERSION INITIALS 18 AUG 2016 Initial release. 2.03 05 OCT 2016 Corrections made to many screenshots and 2.03 descriptions. Reorganized chapters. The installation procedure is now separated from the trouble-shooting section. 10 NOV 2016 Updated warranty section.
  • Page 4 Limited Warranty New Products Research Concepts, Inc., RCI, warrants to the original purchaser this product shall be free from defects in material and workmanship for one year, unless expressed otherwise, from the date of the original purchase. During the warranty period, RCI will provide, free of charge, both parts and labor necessary to correct such defects.

  • Page 5: Table Of Contents

    RC4500 ACU Table of Contents INTRODUCTION ........................... 1 Manual Organization ........................1 Manual Conventions ........................2 RC4500 Features ........................... 3 Hardware Overview ........................4 Software Overview.......................... 5 1.5.1 Front Panel Overview ......................5 1.5.1.1 Operational Group Functions ..................5 Manual .......................... 5 Automatic Recall ......................
  • Page 6 RC4500 ACU 2.1.1.3.1.2.4 Feed Definition ....................40 2.1.1.3.1.2.4.1 Multi-Feed Sensing Option ..............40 2.1.1.3.1.2.5 External Sig Factors ..................41 2.1.1.3.1.2.6 Beacon Sig Factors ..................42 2.1.1.3.1.2.7 RF Sig Factors ....................43 2.1.1.3.1.2.8 Location Reset ....................43 2.1.1.3.1.3 Super-User Access Items ..................44 2.1.1.3.1.3.1...
  • Page 7 RC4500 ACU 2.1.2.1.5.5 Move To ....................... 75 2.1.2.1.5.6 Drive Reset ............Error! Bookmark not defined. Signal Strength and Transmit Status ................76 Maintenance ....................... 77 2.1.2.2 Configuration Page ..................... 78 Satellite Database ...................... 79 2.1.2.2.1.1 Satellite Configuration ..................80 System Configuration ....................81 2.1.2.2.2.1...
  • Page 8 RC4500 ACU Resolver or Optical Encoder ..................105 Potentiometer ......................105 3.2.5 Range of Travel and Limits Calibration ................107 3.2.5.1 Elevation Axis ......................107 Up Limit ........................107 Down Limit ........................ 107 3.2.5.2 Azimuth Axis ......................108 CW Limit ........................108 CCW Limit .........................

  • Page 9: Introduction

    Appendix C, titled "ENCLOSURE SPECIFIC DATA", details mechanical and electrical details on how the RC4500 is packaged. This appendix may not be supplied from RCI if the board set is not packaged in an RCI provided enclosure.

  • Page 10: Manual Conventions

    < M O D E > M E N U < 0 - 9 > J O G A N T E N N A 1 4 : 2 5 : 4 7 The following table shows typical abbreviations used both on RC4500 screens and in the manual’s text. ITEM...

  • Page 11: Rc4500 Features

    The ACU performs its functions via digital and analog electronic equipment interfaced to the antenna’s motor drive and position sensor systems. This equipment is controlled through embedded software algorithms run by the ACU’s microcontroller. The RC4500 ACU is designed to automate the operation of high-performance earth station antennas. Features provided can include: •...

  • Page 12: Hardware Overview

    Introduction 1.4 Hardware Overview The following figure is a block diagram showing the four major components of the RC4500 ACU and how they interface with a typical antenna system. Individual interfaces will be described in detail in section 3.1.2. NOTE: Appendix C “Enclosure Specific...

  • Page 13: Software Overview

    Introduction 1.5 Software Overview The RC4500 allows easy antenna control via its mode-based operation. Multiple user interface (local and remote control) options exist. Section 2.1.1 highlights the software functions by showing data that would be presented if a user interface utilizes the 4x4 keypad and 4x40 character display. Section 2.1.2 highlights the software functions by showing data that would be presented when using the graphical user interface option.

  • Page 14: Programming Group Functions

    RC4500 ACU Chapter 1 Introduction 1.5.1.2 Programming Group Functions Configuration Screens Configuration mode screens allow the user to customize and calibrate the operation of the ACU for use with a particular antenna. Verifying the correct configuration items will ensure correct operation with a particular antenna.

  • Page 15: Graphical User Interface Overview

    RC4500 ACU Chapter 1 Introduction 1.5.2 Graphical User Interface Overview The graphical user interface control option is available via the IP interface of the controller. It is designed to provide all the functions available from the front panel operation in an easy-to-use interface. As well as...

  • Page 16: Specifications

    0.1 to 3.0 dB selectable; antenna dependent Maximum Inclination 20°, standard Tracking Modes Step-Tracking, Predictive Tracking, NORAD TLE tracking The RC4500 can be delivered as a printed circuit boardset, a 2RU rackmount enclosure, or as an embedded encpsure within an outdoor Antenna interface Unit (AIU).

  • Page 17: Software

    2 SOFTWARE 2.1 Operation Overview The RC4500 allows multiple options for mechanizing the user interface. These can be divided into 2 distinct groups. The first are versions that utilize a 4x4 keypad and 4x40 character display. Operation using this method will be described in section 2.1.1 and includes the following methods of control:...

  • Page 18: Front Panel Software Operation

    2.1.1.1 Front Panel Software Overview Modes The functionality of the RC4500 is achieved by placing the controller in the desired mode of operation. The diagram below shows the hierarchy of the RC4500’s modes. Each mode has a unique display screen that presents the information applicable to that mode’s operation.

  • Page 19: Keypad Usage

    RC4500 ACU Chapter 2 Software Keypad Usage The keypad provides a flexible method of controlling the functionality of the ACU. While each ACU mode has different requirements for user input, the use of the keypad remains consistent throughout all modes.
  • Page 20 RC4500 ACU Chapter 2 Software KEY LABEL SPECIFIC FUNCTION GENERAL FUNCTION Momentary push switches between modes within group. Mode No specific function Button held for 5 seconds switches between operational and programming groups. Momentary push also exits sub-mode screens. Toggles between multiple az/el Scroll Up Scrolls forward through lists.
  • Page 21 RC4500 ACU Chapter 2 Software KEY LABEL SPECIFIC FUNCTION GENERAL FUNCTION Supplies “6” for numeric entry. Move azimuth axis clockwise in Az CW MANUAL mode Supplies West for longitude entry. (12345W) Requests move to predefined Supplies “7” for numeric entry.

  • Page 22: Data Entry

    RC4500 ACU Chapter 2 Software Data Entry Many ACU screens request some type of user input. This section provides instructions on the entry of various types of data. Selection from List (<0-9>SELECT) When the user is prompted to select an action from a displayed list, pressing the numbered key corresponding to the desired action will initiate the action.

  • Page 23: Display Layout

    RC4500 ACU Chapter 2 Software Display Layout The following screen shows many elements common to RC4500 mode displays. A Z : 2 0 4 . 9 3 R F : - 5 0 . 9 M A N U A L E L : 4 1 .

  • Page 24: Front Panel Operating Group

    MENU mode allows the user to select the modes that implement the RC4500’s automatic movement features. While in either one of these modes, a momentary push of the Mode key will transition the RC4500 to the other mode.
  • Page 25 RC4500 ACU Chapter 2 Software The polarization field shows a current angular value of the polarization axis. It also shows the status of polarization limits (STOW, CCW, CW). The limits will be displayed based on the table below. It is possible for different limits to have different sources (Switch Hardware for stow and Pot Based for CCW and CW).

  • Page 26: Menu Mode

    RC4500 ACU Chapter 2 Software MENU Mode MENU mode allows the user to select one of listed modes. Pressing the Mode key will move to MANUAL mode. The modes available to the user will vary depend on the current access level of the ACU (2.1.1.3.1.1.1).
  • Page 27 1. EPT The most advanced tracking mode for the RC4500 is Enhanced Predictive tracking (EPT). This tracking is divided into 3-phases: a. The initial phase is a basic step track operation. During this time, the ACU will constantly step track based on input parameters entered previously during the SETUP operation b.

  • Page 28: Beacon Setup

    RC4500 ACU Chapter 2 Software After selecting the tracking mode, the user will press the <ENTER> key and the cursor will be moved to the SIGNAL: field. SIGNAL: <SIGNAL SOURCE 0-NONE 1-EXT 2-BEACON> The user is prompted to select a signal source for the satellite being SETUP. If the tracking mode selected is 1-3, 0-NONE will not be considered a valid signal source.

  • Page 29: Az/El Positioning

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.1.2 AZ/EL Positioning After entering the beacon frequency, the ACU will transition to the SETUP AZ/EL jog screen. The message “<ENTER>SAVE AZ/EL POSITION” will be flashing on the bottom line. A Z : 2 0 4 . 8 1 R F : - 5 0 .

  • Page 30: Recall

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.2 RECALL The RECALL mode allows the user to position the antenna to satellites that were previously stored using the SETUP mode (2.1.1.2.2.1). When entering the RECALL mode, a scrollable list of satellites will be shown.

  • Page 31: Delete

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.3 DELETE The DELETE mode allows a satellite that was stored via the SETUP mode (2.1.1.2.2.1) to be deleted from the ACU memory. D E L E T E N A M E L O N...

  • Page 32: Moveto

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.4 MOVETO The MOVETO mode is intended to provide an easy way to move the antenna to a certain position for doing testing such as cutting antenna patterns. This mode is also useful for tuning up automatic movements.

  • Page 33: Beacon

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.6 BEACON The BEACON mode is provided to manually control the optional beacon receiver, during diagnostic procedures. When entering the screen, the user is presented with the screen below. The antenna cannot be moved manually while in this mode.

  • Page 34: Track

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.7 TRACK The TRACK mode is automatically entered via the SETUP (2.1.1.2.2.1) or RECALL (2.1.1.2.2.2) modes if the tracking field for a selected satellite is set to any value other than 0-NONE. The following screen will be displayed for all track modes, with a brief description of each mode described below.
  • Page 35 Chapter 2 Software Tracking on the RC4500 can be divided into four separate sub-modes. The sub-mode chosen by the ACU will be a function of the tracking mode selected when storing the satellite, and the current information stored in the track table for the satellite.

  • Page 36: Track Menu

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.7.1 TRACK MENU Pressing the <0> key from the TRACK mode (2.1.1.2.2.6) will drop into the TRACK MENU sub-mode. This sub-mode is not available in the normal user access level. A Z : 2 0 4 . 5 8 P E A K : 7 8 B C N : - 4 6 .

  • Page 37: Peakup

    RC4500 ACU Chapter 2 Software 2.1.1.2.2.8 PEAKUP The PEAKUP mode performs a quick peak on the signal source currently displayed on the top line of the display in MANUAL mode. This is the same routine that is used during the TRACK operation...

  • Page 38: Front Panel Programming Group

    RC4500 ACU Chapter 2 Software 2.1.1.3 Front Panel Programming Group The programming group has two high-level modes (CONFIG-MENU and MAINTENANCE). Both modes serve as a menu system for sub-modes below them. Momentarily pressing the <Mode> key will switch between these modes in a similar fashion as the MANUAL and MENU modes switched in the operating group.
  • Page 39 RC4500 ACU Chapter 2 Software GROUP TITLE GROUP DESCRIPTION PARA. NORMAL ACCESS ITEMS EXPERT ACCESS PERMISSION SETS EXPERT ACCESS PERMISSION 2.1.1.3.1.1.1 BEACON DETECTION POINTS LIST OF PRESET BEACON FREQUENCIES 2.1.1.3.1.1.2 LINE 1 – TWO LINE ELEMENT SET TLE 1 DATA 2.1.1.3.1.1.3...

  • Page 40: Normal Access Items

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.1 Normal Access Items The seven configuration groups contained in the “Normal” access allows the user to change items that would typically be required to be changed following system configuration. Also available is the “Expert Access Permission”...

  • Page 41: Beacon Detection Points

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.1.2 Beacon Detection Points This group allows the user to view beacon information for each satellite stored in memory (2.1.1.2.2.1.1). S A T # : 1 N A M E : W B - 1 C O N F I G - B C N H F R E Q : 2 0 1 9 9 .

  • Page 42: Tle 1 Data

    Note: It is suggested to enter TLE data via the GUI as described in 2.1.2.2.1.1. The RC4500 uses one screen to show each line of TLE data. The top line of each screen identifies which line is being displayed (TLE1 or TLE2). The top line will also show the stored satellite number and satellite name.

  • Page 43: Tle 2 Data

    Note: It is suggested to enter TLE data via the GUI as described in 2.1.2.2.1.1. The RC4500 uses one screen to show each line of TLE data. The top line of each screen identifies which line is being displayed (TLE1 or TLE2). The top line will also show the stored satellite number and satellite name.

  • Page 44: Install Access Items

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.2 Install Access Items This installation group of configuration groups are items that are most typically changed for pairing a controller with an antenna. 2.1.1.3.1.2.1 Azimuth Calibration C O N F I G - A Z I M C C W : 9 0 .

  • Page 45: Elevation Calibration

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.2.2 Elevation Calibration C O N F I G - E L E V D O W N : 5 . 0 0 0 U P : 8 0 . 0 0 0 S O F F : 0 .

  • Page 46: Polarization Calibration

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.2.3 Polarization Calibration V R E F : 2 . 5 0 O F F : 0 . 0 0 0 C O N F I G - P O L C C W : - 9 0 . 0 0 0 C W : 9 0 .

  • Page 47: Multi-Feed Sensing Operation

    • Polarization Calibration • Feed Definition (2.1.1.3.1.2.4) • POL Angle Movement (2.1.1.3.1.3.6) • POL Drive Parameters (2.1.1.3.1.3.7) Refer to the mount specific appendix to determine if the RC4500 being used is equipped with the Multi- Feed Sensing option.

  • Page 48: Feed Definition

    REF: POLARITY AT ZERO DEG <0>HORZ <1>VERT The polarity received by the RC4500 when the feed is positioned at 0.0 and a satellite with the same longitude of the antenna is being used. 2.1.1.3.1.2.4.1 Multi-Feed Sensing Option This section is for the Feed Definition configuration group when the feed sensing option is available on the RC4500.

  • Page 49: External Sig Factors

    INPUT SENSE POLARITY <0>NEG <1>POS The polarity flag tells the RC4500 what the sense is on the signal strength input voltage. A positive sense is defined as one that increases in voltage as the signal strength increases. If the signal strength voltage...

  • Page 50: Beacon Sig Factors

    INPUT SENSE POLARITY <0>NEG <1>POS The polarity flag tells the RC4500 what the sense is on the signal strength input voltage. A positive sense is defined as one that increases in voltage as the signal strength increases. If the signal strength voltage decreases as the signal strength increases, its polarity is considered negative.

  • Page 51: Rf Sig Factors

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.2.7 RF Sig Factors This screen defines parameters for when the L-band power detector is used as the locate source. C O N F I G - R F L O C K : 0 T H R E S : - 9 9 .

  • Page 52: Super-User Access Items

    MODE: <2-MENU 3-MANUAL> This item specifies into which mode that the RC4500 will boot into. Selection 2 will direct the RC4500 to boot in MENU mode. Selection 3 will direct the RC4500 to boot in MANUAL mode. ANT SIZE: ANTENNA SIZE <1-9999 CM>...

  • Page 53: Azimuth Angle Movement

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.2 Azimuth Angle Movement NOTE: These items are critical to the antenna functioning properly and should not be changed without understanding the consequences of the changes. C O N F I G - A Z A N G F A S T / S L O W : 2 .

  • Page 54: Azimuth Drive Parameters

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.3 Azimuth Drive Parameters NOTE: These items are critical to the antenna functioning properly and should not be changed without understanding the consequences of the changes. C O N F I G - A Z D R V J A M : 0 .

  • Page 55: Elevation Angle Movement

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.4 Elevation Angle Movement NOTE: These items are critical to the antenna functioning properly and should not be changed without understanding the consequences of the changes. C O N F I G - E L A N G F A S T / S L O W : 2 .

  • Page 56: Elevation Drive Parameters

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.5 Elevation Drive Parameters NOTE: These items are critical to the antenna functioning properly and should not be changed without understanding the consequences of the changes. C O N F I G - E L D R V J A M : 0 .

  • Page 57: Pol Angle Movement

    2.1.1.3.1.3.6.1 Multi-Feed Sensing Option This section is for the POL Angle Movement configuration group when the feed sensing option is available on the RC4500. See section 2.1.1.3.1.2.3.1 for more information. P O L # : 0 C O N F I G - P L A N G F A S T / S L O W : 2 .

  • Page 58: Pol Drive Parameters

    2.1.1.3.1.3.7.1 Multi-Feed Sensing Option This section is for the POL Drive Parameters configuration group when the feed sensing option is available on the RC4500. See section 2.1.1.3.1.2.3.1 for more information. P O L # : 0 C O N F I G - P L D R V J A M : 0 .

  • Page 59: Track Factors

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.8 Track Factors S E A R C H : 0 C O N F I G - T R A C K M A X E R R O R : 3 T I M E : 2...

  • Page 60: Shake

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.9 Shake A Z 1 : 9 0 . 0 2 : 2 7 0 . 0 3 : 0 . 0 C O N F - S H A K E E L 1 : 4 0 .

  • Page 61: Location Reset

    RC4500 ACU Chapter 2 Software 2.1.1.3.1.3.10 Location Reset R E S E T C O D E : C O N F I G - D E F A U L T S E N T E R 1 2 3 4 5 T O R E S E T < 5 D I G I T C O D E >...

  • Page 62: Maintenance Items

    RC4500 ACU Chapter 2 Software Maintenance Items 1 - V O L T S 2 - D R I V E 3 - T I M E M A I N T 4 - L I M I T S...

  • Page 63: Bit Adc Voltages

    Note that the EL and SIG analog to digital channels have some associated scaling and conditioning circuitry in the RC4500. Therefore, the voltages seen at this screen may not be exactly the same as the input voltages external to the RC4500.

  • Page 64: Drive

    1 - D A T E / T I M E 2 - Z O N E 3 - O F F S E T 4 - G P S S Y N C SYSTEM:DD/MM/YY HH:MM:SS Current date and UTC time as maintained by the RC4500’s real-time clock. This time is used for all time- based tracking and peaking operations, as well as for calculating sidereal time for track table points.
  • Page 65 RC4500 ACU Chapter 2 Software OFFSET: The number of hours the displayed reference time is offset from system time. The values for the time parameters may be altered by the actions described below. 1-DATE/TIME ENTER UTC DATE (MM.DD.YY)/ENTER UTC TIME (HH.MM.SS) This action allows the user to manually set the system date and time.

  • Page 66: Limits

    2.1.1.3.2.4 LIMITS The limits maintenance screen shows the current state of each limit switch as sensed by the RC4500’s microcontroller. The state of each limit is shown as 0 (not at limit), 1 (at hardware limit), or 2 (at software limit).

  • Page 67: Comms

    Chapter 2 Software 2.1.1.3.2.5 COMMS This screen allows the user to ascertain if the GPS sensor is communicating correctly with the RC4500. < 1 > V I E W G P S D A T A C O M M S 2.1.1.3.2.5.1 GPS Data...

  • Page 68: Moveto

    RC4500 ACU Chapter 2 Software 2.1.1.3.2.6 MOVETO The MOVETO mode is intended to provide an easy way to move the antenna to a certain position for doing testing such as cutting antenna patterns. This mode is also useful for tuning up automatic movements.

  • Page 69: Shake

    RC4500 ACU Chapter 2 Software 2.1.1.3.2.7 SHAKE The SHAKE mode performs repetitive mount movements. The SHAKE mode is for support of mount testing and for automatic mount demonstrations such as trade shows. The SHAKE mode implements a repetitive sequence of three “moves”. Each “move” is programmed with azimuth, elevation and polarization targets.

  • Page 70: Bcn

    RC4500 ACU Chapter 2 Software 2.1.1.3.2.8 If the controller is equipped with an optional beacon receiver, pressing the <ENTER> key from the maintenance mode enters the beacon receiver maintenance screen. This screen is provided to manually control the beacon receiver, during diagnostic procedures. When entering the screen, the user is presented with the screen below.

  • Page 71: Sns Off

    RC4500 ACU Chapter 2 Software This field indicates the current signal strength from the L-Band power detector. 2.1.1.3.2.9 SNS OFF Pressing the <Scroll Up> key from the maintenance menu enters the sensor offset maintenance screen. This screen allows sensor offsets to be calculated and set for the on-axis position sensors...

  • Page 72: Sys Info

    Serial number of the current controller being used. This is programmed at the factory. Firmware: Current firmware that is installed on the controller. It includes the controller identifier (RC4500), the type of antenna (YA), and the software options (NPITN). Version: The current version of the software.

  • Page 73: Graphical User Interface Software Overview

    The default IP address of the ACU is 192.168.1.1 2.1.2.1 Graphical User Interface Main Page The main page contains all important information about the status of the RC4500 as well as the antenna. The main page offers easy access to automatic operations needed for daily use (Recall/Peak Up/Move To), and manual jog control of the antenna.

  • Page 74: Acu Status Window

    Software ACU Status Window The ACU status window shows current information about the RC4500 and any satellite information that may be available. Any alarms that are currently present will also display in the ACU status window box. In the image below, the standby alarm is displayed.

  • Page 75: Local Jog Control

    RC4500 ACU Chapter 2 Software Local Jog Control The bottom right side of the main page provides a keypad for manual jog control of the antenna. The keys provide the ability to jog the antenna in azimuth, elevation, and polarization. It also provides the ability to move to the preset H and V positions, as well as providing the ability to move the feed a preset 90°...

  • Page 76: Main Display Window

    RC4500 ACU Chapter 2 Software Main Display Window The center section of the display can be used for multiple functions. These include displaying the satellite arc, spectrum analyzer display, tracking diagnostics, and many additional antenna specific functions. 2.1.2.1.4.1 Satellite Arc Display The center section of the display is used to display the satellite arc of the current satellites stored in the controller memory.

  • Page 77: Spectrum Analyzer Display

    RC4500 ACU Chapter 2 Software 2.1.2.1.4.2 Spectrum Analyzer Display If the ACU is equipped with the spectrum analyzer option, a button will be available on the left side of the main display that will allow you to switch to the spectrum analyzer display.

  • Page 78: Frequency Controls

    RC4500 ACU Chapter 2 Software 2.1.2.1.4.2.1 Frequency Controls The Frequency control allows the Center Frequency and Span to be controlled. Both parameters may be incremented by using the + - keys. The Increment for Center frequency is 1/5th of one division.

  • Page 79: Marker Controls

    RC4500 ACU Chapter 2 Software 2.1.2.1.4.2.4 Marker Controls The Marker controls allows the position of the marker on the spectrum to be controlled. The Marker is designated by a red mark with a dotted line running to the vertical scale on the right. The Marker Level is displayed to the left of the red mark on each sweep.
  • Page 80 RC4500 ACU Chapter 2 Software 2.1.2.1.4.4 System Faults The System Faults tab shows the status of each axis. In the image below, no faults are shown for any axis. When a fault occurs, the fault will be displayed on the ACU status window and on the system faults page.

  • Page 81: Automatic Operations

    RC4500 ACU Chapter 2 Software Automatic Operations Down the left side of the display eight boxes that provide various automatic operations for the ACU. Each of those functions are described in the corresponding section below. 2.1.2.1.5.1 Setup Operation of this function from the GUI is currently under development.

  • Page 82: Delete

    RC4500 ACU Chapter 2 Software 2.1.2.1.5.3 Delete Operation of this function from the GUI is currently under development. Check back with the manufacturer for details on availability. 2.1.2.1.5.4 Peak Up The <Peak Up> button immediately performs a Peak Up (2.1.1.2.2.8) using the currently selected signal source (2.1.2.1.6).

  • Page 83: Move To

    RC4500 ACU Chapter 2 Software 2.1.2.1.5.5 Move To and polarization angles. After clicking the <Move To> button, the user will be presented with a dialog box to enter azimuth, elevation, and polarization angles. Additionally, by clicking the Longitude tab, the user can command the ACU to calculate the pointing angles for a specific longitudinal slot.

  • Page 84: Signal Strength And Transmit Status

    The right signal strength value is the current signal strength source being used by the RC4500 for tracking and peaking. It can be toggled between, BCN (Beacon Receiver), RF (L-Band Power), and EXT (External AGC). If the signal strength source being used supports a lock input, the green “LOCKED”...

  • Page 85: Maintenance

    RC4500 ACU Chapter 2 Hardware Maintenance Clicking on the wrench and screwdriver in the upper right hand corner of the main page will open the dialog box below. This dialog box will allow you to access the remote front panel interface (2.1.1)

  • Page 86: Configuration Page

    RC4500 ACU Chapter 2 Hardware 2.1.2.2 Configuration Page The main configuration page for the ACU is available by navigating a web browser to the IP address of the controller /config (192.168.1.1/config). Upon entry to the configuration page, the System Summary tab is selected by default.

  • Page 87: Satellite Database

    RC4500 ACU Chapter 2 Hardware Satellite Database The Satellite Database tab gives the user to edit information about the satellites stored in memory. Each satellite entry can be expanded individually. The following screen shows an example of a satellite list with 3 stored satellites.

  • Page 88: Satellite Configuration

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.1.1 Satellite Configuration Clicking on a satellite in the database will expand the satellite to show additional fields. All fields in the satellite dropdown are editable by typing on a keyboard. Additionally, the Two-Line Element data can be copied and pasted into the window.

  • Page 89: System Configuration

    RC4500 ACU Chapter 2 Hardware System Configuration The System Configuration tab allows the user to modify various information about the ACU. 2.1.2.2.2.1 ACU Configuration The ACU configuration window allows the user to adjust information about the current feed that is being used.

  • Page 90: Additional Ip Devices

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.2.3 Additional IP Devices If there are any other IP devices on the system that the ACU needs to communicate with (Spectrum Analyzer, Modem, etc.), an additional window will exist to notify the ACU of the IP parameters of that...

  • Page 91: Advanced

    RC4500 ACU Chapter 2 Hardware Advanced The Advanced tab provides the user with the ability to upload and download configuration data from the ACU. Additionally, the Advanced tab provides the user with the ability to load new firmware and user interface software onto the ACU.

  • Page 92: Configuration Data

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.3.2 Configuration Data The Configuration Data window allows the user to download a text file that contains all the configuration items contained in the ACU (2.1.1.3.1). Additionally, by clicking <Choose File>, the user would be able to browse to a previously downloaded Configuration Data text file and load the configuration into the current ACU.

  • Page 93: Tle Data

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.3.3 TLE Data The TLE Data window allows the user to upload TLE data from a text file. Any satellite in the database that has TLE data will have the NORAD catalog number associated with it. When a text file is loaded, the ACU will match the catalog number with the corresponding data in the config file and update the TLE data in the controller.

  • Page 94: Acu Firmware

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.3.4 ACU Firmware The ACU Firmware window allows the user to update the current software on the ACU. Prior to updating the ACU Firmware, the configuration data from the controller should be downloaded via the Configuration Data window (2.1.2.2.3.2).

  • Page 95: User Interface Firmware

    RC4500 ACU Chapter 2 Hardware 2.1.2.2.3.5 User Interface Firmware The User Interface Firmware window allows the user to update the current user interface software on the ACU. NOTE: Updating the user interface firmware may cause the IP settings of the ACU to be reset to factory defaults.
  • Page 96 2.1.3.2 SNMP and Security The RC4500 offers full antenna monitoring and control via SNMP v1, v2c, and v3 as well as password protection for ACU related web interfaces. For more information on how to utilize these features or for a...

  • Page 97: Installation

    3 INSTALLATION 3.1 Mechanical and Electrical Installation This section describes mechanical and electrical installation of a rackmount RC4500 into an antenna system. For other enclosures, consult the enclosure specific appendix found at the back of the manual that was provided with the system.

  • Page 98: Electrical Interface

    RC4500 ACU Chapter 3 Installation 3.1.2 Electrical Interface The interface cables should be made long enough to allow the unit to be partially removed from the rack while still connected to the system. Connections are only made to the back panel of the unit. The location and description of each connector is shown below.

  • Page 99: J1-Sensors

    RC4500 ACU Chapter 3 Installation 3.1.2.1 J1-SENSORS J1 is a 9-pin D-subminiature female receptacle that allows a Polarization potentiometer to provide position sensing to the ACU. NOTE: A shielded wire should be used to minimize external noise pickup on the wiper line. The shield should be connected to Pin 3 at the ACU and NOT connected at the antenna.

  • Page 100: J2-Agc

    RC4500 ACU Chapter 3 Installation 3.1.2.2 J2-AGC J2 is a 9-pin D-subminiature female receptacle that connects to receivers/modems to provide signal strength indication for tracking. The received signal strength must be between -10 VDC and +10 VDC. The signal may be of either positive or negative polarity.

  • Page 101: J3-Az Rslvr

    RC4500 ACU Chapter 3 Installation 3.1.2.3 J3-AZ RSLVR J3 is a 9-pin D-subminiature female receptacle that allows an azimuth resolver to provide position sensing to the ACU. IMPORTANT: Shielded cable is required for the resolver connections. The shield must be connected to chassis ground at the ACU and NOT connected at the antenna.

  • Page 102: J5-Pl Rslvr

    RC4500 ACU Chapter 3 Installation 3.1.2.5 J5-PL RSLVR J5 is a 9-pin D-subminiature female receptacle that allows a polarization resolver to provide position sensing to the ACU. IMPORTANT: Shielded cable is required for the resolver connections. The shield must be connected to chassis ground at the ACU and NOT connected at the antenna.

  • Page 103: J6-Antenna Aux

    RC4500 ACU Chapter 3 Installation 3.1.2.6 J6-ANTENNA AUX. J6 is a 25-pin D-subminiature female receptacle used for Antenna Auxiliary I/O. This port provides six (6) optically-isolated (as shown), axis-specific limit inputs. Each input is rated for +24 VDC and draws 5mA.

  • Page 104: J7-Antenna I/O

    RC4500 ACU Chapter 3 Installation 3.1.2.7 J7-ANTENNA I/O J7 is a 25-pin D-subminiature male receptacle used for Antenna I/O. This port provides nine (9) optically- isolated, pull-down driver outputs. Each output can tolerate up to 27 VDC and can sink 70mA. Current is returned via the Drive Common lines.
  • Page 105 RC4500 ACU Chapter 3 Installation The following drawings illustrate the axis move and speed command output circuits:...
  • Page 106 RC4500 ACU Chapter 3 Installation The following drawings illustrate the drive fault, emergency stop, and maintenance input circuits: Maintenance Input – When current flows through this circuit the controller assumes that the AIU is able to accept drive commands from the ACU. If current is not flowing the ACU disables antenna control and displays the ‘Maintenance’...

  • Page 107: J8-Ip 1

    3.1.2.8 J8-IP 1 All standard RC4500 controllers are equipped with Ethernet based remote control. J8 is an RJ-45 socket to allow the connection of the RC4500 to a computer or network. The default IP settings of the controller are listed below: •...

  • Page 108: Software Initialization

    !!! After Completing the Installation Section, Save a known good configuration file !!! This section describes the steps that would be used for initial pairing of an RC4500 with an antenna. Initial Power Application. Before powering the unit on for the first time, please confirm that the input voltage the unit is configured for matches the intended input supply voltage.

  • Page 109: Motor Direction Calibration

    RC4500 ACU Chapter 3 Installation 3.2.1 Motor Direction Calibration 3.2.1.1 Elevation Axis NOTE: Prior to beginning the Elevation Motor Direction Calibration the antenna should be manually moved to the center of elevation travel. With the elevation axis in the center of travel, go to MANUAL mode.

  • Page 110: Position Sense Direction

    RC4500 ACU Chapter 3 Installation 3.2.2 Position Sense Direction 3.2.2.1 Elevation Axis With the elevation axis in the center of travel, go to MANUAL mode. In fast speed jog up in elevation and verify that the elevation angle counts up. If the elevation angle counts down, the elevation sensor direction configuration item (2.1.1.3.1.2.2) should be changed.

  • Page 111: Motor Speed Calibration

    Using this number, the slow speed should be adjusted such that the antenna travels this distance in approximately 4 seconds. 3.2.3.3 Polarization Currently all RCI RC4500 products support single speed polarization. No adjustment is necessary on the AIU or ACU to set the polarization speed.

  • Page 112: Primary Position Sensor Calibration

    RC4500 ACU Chapter 3 Installation 3.2.4 Primary Position Sensor Calibration 3.2.4.1 Azimuth and Elevation Axis Prior to beginning this step, the antenna should be manually peaked on a geostationary satellite. This peaking can be done via an external device such as a beacon receiver or spectrum analyzer or can be done via the ACU’s beacon maintenance mode (2.1.1.3.2.8).

  • Page 113: Polarization Axis

    RC4500 ACU Chapter 3 Installation 3.2.4.2 Polarization Axis NOTE: The following procedure is not required for non-motorized or circular feeds. Resolver or Optical Encoder Prior to beginning this step, the polarization axis should be moved via MANUAL mode to the center of travel.
  • Page 114 RC4500 ACU Chapter 3 Installation STEP 2. Polarization Scale Factor. To calculate the polarization scale factor, move the feed between two known physical polarization positions and note the difference in the sensed polarization voltage between the two locations. If definite reference points are available on the feed (±90 degree positions for example), these may be used.

  • Page 115: Range Of Travel And Limits Calibration

    RC4500 ACU Chapter 3 Installation 3.2.5 Range of Travel and Limits Calibration 3.2.5.1 Elevation Axis Up Limit If the antenna being used has a physical UP limit switch, from MANUAL mode move the axis to the limit switch and verify that the “UP” limit is displayed.

  • Page 116: Azimuth Axis

    RC4500 ACU Chapter 3 Installation 3.2.5.2 Azimuth Axis NOTE: The setting of Azimuth limits described here is for the Northern hemisphere. The same procedure should be followed, but the values should be adjusted for antennas in the Southern hemisphere. CW Limit If the antenna being used has a physical CW limit switch, from MANUAL mode move the axis to the limit switch and verify that the “CW”...

  • Page 117: Polarization Axis

    RC4500 ACU Chapter 3 Installation 3.2.5.3 Polarization Axis NOTE: If the antenna uses potentiometer-based hardware limits, the polarization potentiometer scale factor should be set prior to testing the CW limit. CW Limit If the feed being used has a physical CW limit switch, from MANUAL mode move the feed to the limit switch and verify that the “CW”...

  • Page 118: Axis Pointing Calibration

    RC4500 ACU Chapter 3 Installation 3.2.6 Axis Pointing Calibration This section will cover how to tune parameters in the ACU to optimally point the antenna. These steps are important for all RECALL and TRACK operations to work as expected. 3.2.6.1 Elevation All parameters set during this process can be found in the Elevation Angle Movement configuration screen (2.1.1.3.1.3.4).

  • Page 119: Azimuth

    RC4500 ACU Chapter 3 Installation 3.2.6.2 Azimuth All parameters set during this process can be found in the Azimuth Angle Movement configuration screen (2.1.1.3.1.3.2). COAST The first item set during the pointing calibration is the COAST configuration item. To determine this value, set the parameters in the Azimuth Angle Movement configuration screen as listed below: •...

  • Page 120: Polarization

    RC4500 ACU Chapter 3 Installation 3.2.6.3 Polarization All parameters set during this process can be found in the Polarization Angle Movement configuration screen (2.1.1.3.1.3.6). COAST The first item set during the pointing calibration is the COAST configuration item. To determine this value, set the parameters in the Polarization Angle Movement configuration screen as listed below: •...

  • Page 121: Locate Source Calibration

    Installation 3.2.7 Locate Source Calibration The RC4500 can sense satellite signal strength via the L-Band power detector, multiple internal receivers, and external signal strength inputs. This section describes how to configure the signal strength input circuits for use with various locate sources. Correct adjustment of the signal strength parameters is required for the TRACK mode to work correctly.

  • Page 122: Support

    RC4500 ACU Chapter 4 Support 4 SUPPORT 4.1 Troubleshooting 4.1.1 Warning Displays 4.1.1.1 General Warnings Alarm Description/Recommended Action Low Battery Battery used to backup NVRAM and Date/Time is low. Replace internal battery backup. Invalid Date/Time Date/Time is corrupt. Reset the Date/Time via maintenance or GPS time sync.

  • Page 123: Polarization

    RC4500 ACU Chapter 4 Support 4.1.1.4 Polarization Warning Description/Recommended Action CCW, ccw Antenna is at the polarization hardware limit (CCW) or polarization software limit (ccw), move the antenna polarization CW out of the limit. CW, cw Antenna is at the polarization hardware limit (CCW) or polarization software limit (ccw), move the antenna polarization CCW out of the limit.

  • Page 124: Elevation

    RC4500 ACU Chapter 4 Support 4.1.2.3 Elevation Alarm Description/Recommended Action The ACU commanded the elevation axis to move and no movement was detected. This condition must be reset via the MAINTAINANCE > DRIVE mode before further movement in any axis may occur.

  • Page 125: Polarization

    RC4500 ACU Chapter 4 Support 4.1.2.4 Polarization Alarm Description/Recommended Action The ACU commanded the elevation axis to move and no movement was detected. This condition must be reset via the MAINTAINANCE > DRIVE mode before further movement in any axis may occur.

  • Page 126: Acu Topics

    The ACU allows the user to specify the type of polarization axis mechanism present. If a circular polarized feed is present, no automatic movement of the polarization axis is performed. 4.2.2 Drive System The RC4500 implements several mechanisms for the driving and monitoring of the azimuth, elevation and polarization axis. 4.2.3 Position Sensing and Limits The RC4500 senses absolute axis position using feedback from various sensors (potentiometers, resolvers, encoders, etc).

  • Page 127: Jam, Runaway, And Drive Error Sensing

    ACU will declare a “RUNAWAY” condition and not allow further movement until the condition has been reset. The RC4500 also continuously monitors the azimuth and elevation motor drive current. If at any time the current sensed rises above the value set in the system configuration, the ACU will declare a “DRIVE”...

  • Page 128: Timekeeping

    RC4500 ACU Chapter 4 Support 4.2.4 Timekeeping There are several versions of time (system, sidereal, display and GPS) discussed within this manual. System time is maintained by the ACU’s real time clock. The real-time clock is backed up by battery so that system time is available as soon as the ACU powers up.

Table of Contents