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 Setup

Page Example

5.7 Handheld Terminal

The antenna may be moved by means of the optional handheld controller. The Handheld function
is not yet available at ACU-RMU and ACU19 Version.

Startup

Set parameter 'RS485 address' on the ACUs Setup-page to 'TERM'. This enables communication
between the ACU and the sat-nms handheld.

Connect the Handheld with the provided cable (Handheld: 9pol DSUB + Power supply, ACU-

(C) 2022, SatService GmbH

www.satnms.com

ACU-19V2-UM-2209 Page 32/65

Содержание SatService sat-nms ACU-19V2

Страница 1: ...ACU 19V2 User Manual Version 5 0 002 Copyright SatService Gesellschaft f r Kommunikationssysteme mbH Hardstrasse 9 D 78256 Steisslingen satnms support satservicegmbh de www satnms com www satservicegm...

Страница 2: ...escriptions 14 4 3 Start up 15 4 3 1 Setting the IP Address 16 4 3 2 Angle detectors 16 4 3 3 Driver Interface 17 4 3 4 Pointing Tracking 17 4 3 5 Backup of ACU settings 18 5 Operation 18 5 1 The Web...

Страница 3: ...rack Algorithm 55 8 3 2 ACU and Beacon Receiver 56 8 3 3 Smoothing 57 8 3 4 Steptrack Parameters 58 8 4 Adaptive Tracking 59 8 4 1 The sat nms Adaptive Tracking Algorithm 61 8 4 2 The Tracking Memory...

Страница 4: ...which is used to predict the antenna position This reduces the step track failures and provides continuous operation in case of a beacon receive failure In the Program Tracking Mode the antenna follo...

Страница 5: ...3 2 ACU and Beacon Receiver 8 3 3 Smoothing 8 3 4 Steptrack Parameters 8 4 Adaptive Tracking 8 4 1 The sat nms Adaptive Tracking Algorithm 8 4 2 The Tracking Memory 8 4 3 Adaptive Tracking Parameters...

Страница 6: ...relays This simple solution is suitable for antennas using 2 speed AC motors Frequency inverters Speed and acceleration ramps are programmed into the inverter module with this solution Servo controll...

Страница 7: ...rs accessible through the remote interface Theory of Operation This chapter gives a short overview how the ACU works It also describes the different tracking algorithms and their parameters The intera...

Страница 8: ...able to connect the resolvers to the sat nms ACU Only ACU ODU If the Unit is equipped with an optional air ventilation avoid direct contact with jets of water normal rain is no problem 3 The sat nms A...

Страница 9: ...ard you find 3 LEDs that show the actual state of the ACU RMU fault state limit switch state motor movement Please refer to chapter 6 Frontpanel Operation for detailed informations 3 3 Drive cabinet i...

Страница 10: ...possible to connect nearly all worldwide available single phase mains Please refer to chapter Specifications for more detailed informations 3 9 Serial interface angle display The sat nms ACU19V2 provi...

Страница 11: ...s a digital signal interface based on 24V signal level for an external drive cabinet pin signal description type 1 Az CW Azimuth CW Cmd OUT 2 Az Com Azimuth Common 0V IN 3 Az CCW Azimuth CCW Cmd OUT 4...

Страница 12: ...tion An example ACU19V2 SSR contains SSI interfaces at azimuth and elevation axis and an resolver interface at polarisation axis SSI encoder interface J7 J8 The SSI positional encoder may be powered f...

Страница 13: ...al to resolver OUT 9 SIN resolver SIN IN Resolver interface J6 The ACU resolver interface is designed for resolvers with an impedance of 100 Ohms or more and transfer factor 0 5 The interface applies...

Страница 14: ...FLT_NO connected to 2 if there is a FAULT RELAY 6 TRK_FLT_NC tracking alarm connected to 7 if OK RELAY 7 TRK_FLT_C RELAY 8 TRK_FLT_NO connected to 7 if there is a FAULT RELAY J16 J17 RS422 Connector T...

Страница 15: ...3 Start up This chapter describes how to install and start up the sat nms ACU19V2 It is a step by step description without detailed description If you need more detailed description for e g some para...

Страница 16: ...mputer The CD ROM shipping with the sat nms ACU19V2 Setting the ACU s IP parameters now is easily done within a few minutes 1 First install a network cable between the ACU and your computer If you hav...

Страница 17: ...me subnet 4 3 2 Angle detectors Connect the angle detectors to the sat nms ACU19V2 as described in chapter 4 2 2 Pin description 1 Configure the desired type of detector on the setup page 2 Set the so...

Страница 18: ...ocation of your antenna Take care to type in position with enough accuracy 0 001 For further informations please refer to chapter 5 6 Setup for location parameters and 5 3 Target Memory for using this...

Страница 19: ...or module is designed to be controlled over a network link using a standard web browser This means in practice that the user interface to the ACU appears in your browser window after you type in the A...

Страница 20: ...ts Setup This button switches to the Setup page which lets you inspect or change less common parameters which usually are set only once to adapt the ACU to it s working environment Info After a mouse...

Страница 21: ...there is a field reserved which contains some state information for this axis While the motor is running MOVING is displayed at this place If the motor has been stopped due to a fault or an emergency...

Страница 22: ...odule are shown in this field With tracking option this field is always empty AZ EL Tracking State If the ACU has the tracking option installed and ADAPTIVE tracking is selected these give some inform...

Страница 23: ...Clicking to the eraser icon clears the selected memory location after a confirmation inquiry Numeric orbit position The table contains an additional row at the bottom labeled Numeric orbit position C...

Страница 24: ...uired for this You have to create such a data file and copy it with FTP to the ACU before you can use this mode SatService GmbH provides a PC software which lets you easily create data files for progr...

Страница 25: ...mance If the delay is too short the beacon voltage does not reach its final value the steptrack does not properly recognize if the signal goes better or worse after a test step If the delay is too lon...

Страница 26: ...t individually for each axis Normally you will set both axes to LARGE which leaves the model selection fully to the ACU s internal selection algorithms In cases where the ACU seems to be too optimisti...

Страница 27: ...otor driver type for this axis to NONE at the Setup page before you set the outputs manually The Test page is re read by the Web browser about once a second Some browsers seem to ignore mouse clicks o...

Страница 28: ...PARALLEL mode unless special conditions require a sequential antenna movement The performance of the ACU in terms of pointing speed and wind load compensation will be much better in PARALLEL mode Dat...

Страница 29: ...n you can tell the ACU if the polarization is not to be controlled by the ACU If you are using multiturn SSI encoders you will have to scale the reading See Calibration scale below Pre scale offset Th...

Страница 30: ...he motor direction This is the configuration many frequency inverters use In DUAL START mode the FWD signal switches the motor on in forward direction REV activates the motor in reverse direction This...

Страница 31: ...the serial interface at CON8 pins 1 3 The ACU automatically sets the antenna s geodetic location to the values received and synchronizes the clock to the GPS timestamps If no NMEA messages are receive...

Страница 32: ...is place SNMP system location The ACU replies to MIB II sysLocation requests with the text entered at this place SNMP system contact The ACU replies to MIB II sysContact requests with the text entered...

Страница 33: ...is not yet available at ACU RMU and ACU19 Version Startup Set parameter RS485 address on the ACUs Setup page to TERM This enables communication between the ACU and the sat nms handheld Connect the Ha...

Страница 34: ...ize small steps x keypress x is the value that was set on the setup screen large steps 10 x keypress continuous mode the antenna moves as long until the button is pushed or a limit switch or limit val...

Страница 35: ...eys named ENTER and CLEAR Some keys have a second meaning The first meaning of the keys remains constant through most levels of the menu The ENTER key descends in the menu tree accepts and stores chan...

Страница 36: ...are shown alternately the message blinks on the display The following messages may be displayed at the corresponding position in the display At the corresponding angle position FAULT General ACU Faul...

Страница 37: ...r wait about a 30 minute for automatically return 6 4 Set tracking mode In the SELECT TRACKING MODE menu you can change the tracking mode as shown below OFF STEP ADAPTIVE PROGRAM For detailed informat...

Страница 38: ...be displayed in the main screen with Standby blinking in the second line Choose the Menu entry a second time or press 2 shift and together to leave this Mode 6 8 Set az el pl by editing Numeric Param...

Страница 39: ...e replied and internally used value is limited to the applicable minimum or maximum To read a parameter from the ACU instead of a new parameter value a question mark is sent name The ACU replies the a...

Страница 40: ...the remote control of the ACU manually 7 3 The RS232 remote control interface Beside the network interface the ACU also provides an RS232 serial port which can be used to control the device remotely D...

Страница 41: ...ed for computer based remote control This setting is also used for allowing communication to an optional frontpanel display and keyboard if implemented If TERM is selected the serial interface is used...

Страница 42: ...nting asca 0 000000 100000 000000 AZ Calibration scale asen SSI 13B SSI 13G SSI 17B SSI 17G SSI 18B SSI 18G SSI 19B SSI 19G SSI 20B SSI 20G SSI 24B SSI 24G RESOLVER VOLTAGE NONE AZ Position sensor typ...

Страница 43: ...bilities 1 cmod DISABLED ENABLED Linear Circular switch coty NONE Compass type 2 cpos r o LINEAR CIRCULAR SWITCHING INVALID Lin Crc switch position ctar LINEAR CIRCULAR UNKNOWN Linear circular switch...

Страница 44: ...epoch epos r o 0 000 90 000 EL Pointing eraw r o 00000000 FFFFFFFF EL raw pointing esca 0 000000 100000 000000 EL Calibration scale esen SSI 13B SSI 13G SSI 17B SSI 17G SSI 18B SSI 18G SSI 19B SSI 19...

Страница 45: ...he Web UI 0 releases the stop RESET at the Web UI nick r o 90 0 90 0 Nick angle niko 90 0 90 0 Nick offset note character string Note obit 00000000 FFFFFFFF Output bits described below orbt 180 000 18...

Страница 46: ...pstp 0 000 90 000 PO Step delta ptar 90 000 90 000 Pol target value ptot 0 32000 msec PO Motor timeout roll r o 90 0 90 0 Roll angle rolo 90 0 90 0 Roll offset save 0 99 Save target scnt r o 0 65535...

Страница 47: ...Reset tracking memory trty NEVER ONCE FOREVER Tracking retry on fault trty NEVER ONCE FOREVER Tracking retry on fault tsta r o character string Tracking state tstp 1 100 Tracking step size wdog OFF ON...

Страница 48: ...ointing angles for a given target number tdsc 12 e g is interpreted by the ACU as a request to report the target description for target no 12 The reply to this command is something like tdsc ASTRA 19...

Страница 49: ...eceiver fault 27 LIMIT limit switch summary 28 AZSTOP azimuth stopped 29 ELSTOP elevation stopped 30 PLSTOP polarization stopped 31 GPSFLT GPS receiver fault Bit definitions in obit output bits The ob...

Страница 50: ...otor control 22 OUT_AUX5 not used 23 OUT_AUX6 not used 24 OUT_SUMMARY summary fault relay 1 OK 25 OUT_TRACKING tracking fault relay 1 OK 26 OUT_BCPR1 reserved for beacon receiver frequency select 27 O...

Страница 51: ...he IP address 10 0 0 1 the complete URL for the request is http 10 0 0 1 point fmt txt The fmt txt parameter forces the power sensor to reply a one line text document rather than the HTML coded page w...

Страница 52: ...the following types of positional sensors SSI SSI type digital position encoders are the first choice for antennas which are setup from scratch They are precise reliable and provide a standardized int...

Страница 53: ...axis If the measured position value differs from the target value the motor is activated to compensate this difference It makes no difference if a new target value has been commanded or if the antenna...

Страница 54: ...onnect one of these two signals select the one which matches the polarity the motor driver expects Remark for operation in the northern southern hemisphere Look through the antenna to the satellite fo...

Страница 55: ...the ACU does several very small steps Using the position and beacon level values of all steps in the cycle the ACU calculates the peak position by aligning the approximated antenna pattern to the mea...

Страница 56: ...time than for a geostationary satellite 8 3 2 ACU and Beacon Receiver To perform a step track the ACU requires the actually measured beacon level as a rate of the received signal quality and therefor...

Страница 57: ...at the beacon receiver these values may be adjusted too a preferable scale is 0 5V dB for 20dB usable range The offset should be adjusted that the receive level at clear sky conditions leave a headroo...

Страница 58: ...same subnet The LBRX beacon receiver must be configured for the correct LO frequency The displayed receive frequency must be the true RX frequency rather than the L band frequency At the sat nms LBRX...

Страница 59: ...f range you should check if the beacon frequency is set properly The frequency must be the true receive frequency at the antenna entered in MHz not an L band frequency or other IF Trackingmode The tra...

Страница 60: ...ata points used to evaluate a model is limited the measurements values are distorted due to inaccuracy and noise The more complicated a model is the more susceptible it is to noise For practical usage...

Страница 61: ...s half 3dB beam width to evaluate this measure The ACU presents this figure as a percentage value The ACU selects the adaptive tracking model following a scheme as illustrated in the diagram above Bel...

Страница 62: ...The ACU raises a fault if at least one axis exceeds the threshold value If this happens three consecutive times the models gets reset all data in the tracking memory gets marked invalid 8 4 2 The Trac...

Страница 63: ...red With this function you should keep in mind that the tracking memory contents becomes useless after about 24 hours 8 4 3 Adaptive Tracking Parameters The behaviour of the adaptive is adjustable wit...

Страница 64: ...to 50 Setting it to 0 switches the threshold monitoring completely off 8 5 Program Tracking Program tracking is a tracking method which lets the antenna follow a path which usually has been calculated...

Страница 65: ...the following cases for a fault of one axis TIMEOUT and FAULT are releasable during a tracking cycle A STOPPED fault have to be released with the RESET button Jump Values of angle encoder 5 in azimut...

Страница 66: ...acking accuracy The influence of antenna structure thermal error is not considered System Interfaces Az El angle detectors DSub25 female Pl angle detectors DSub9 female Drive Interface DSub25 male MNC...

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