sat-nms Power Sensor User Manual User Manual
Contents
1. gt IPC CHIP Tool ioj x Fie BIOS CHIP Info Scan for IPC CHIP s on the network of ES Al o e e 1CB16 192 168 1 8 255 255 255 0 192 168 1 1 Clear list Close 5 The serial number shown in the first column of the list must match the serial number printed on the power sensor s enclosure If the list stays empty the power sensor is not connected properly If there are more entries in the list the configuration program has found other devices in this network segment which use the same technology 6 Now type CTRL I to open the IP configuration window of the program In this form enter the power sensor s serial number it s new IP address and network mask If the power sensor later shall be C 2013 SatService GmbH www satnms com PS UM 1301 Page 5 16 SatService Gesellschaft fiir Kommunikationssysteme mbH operated through a router enter the address of the router on the gateway field otherwise leave this field blanc Be sure that the DHCP mark is unchecked Finally click to the Yes button to set the new parameters at the power sensor gt IPC CHIP Tool 10 x File BIOS CHIP Info IPconfigSnr x Use this form to define the IP configuration of a chip with a known serial number Serial number of CHIP J1CB16 Chip IP configuration IP Address 192 168 1 1 Network mask 255 255 255 0 Gateway Ep IT Use DHCP fe Now the IP configuration of the power sensor is complet2. averaging Shows the averaging mode actually used by the power sensor input Shows the input amplifier range actually used sensivity alarm Shows the alarm threshold actually set at the Setup page If the displayed power reading threshold falls below this limit an alarm is reported and the normally closed alarm contact is opened Shows the actual alarm state OK FAULT alarm state 3 3 Operational Parameters The page Setup contains the power sensor s operational parameters The page displays a table with the parameters actually set as a browser entry form To change a parameter enter the new value or select the desired option from the drop down list and then click to the SUBMIT button at the bottom of the page Parameters remain unchanged unless you click to this button The table below lists the settings provided by this page Parameter Description Name input Sets the sensivity range the power sensor uses sensivity AUTO makes the power sensor select the appropriate range automatically LOW selects the low sensivity range for high levels HIGH selects the high sensivity range It is strongly recommended to operate the power sensor with AUTO setting averaging Sets the filter the power sensor applies to the measured values Valid choices are OFF no averaging FAST the sensor displays the average of 8 readings SLOW the sensor displays the average of 48 readings Averaging is done on the base
3. SatService GmbH www satnms com PS UM 1301 Page 3 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 2 Installation This chapter describes how to install the sat nms power sensor You find a guide how to connect configure and mechanically mount the power sensor below Before you start please first read the Safety Instructions chapter below It contains some important recommendations to prevent damage from the power sensor Then we strongly recommend to do a first setup of the power sensor on a lab desk before installing it at it s final location This is mainly for the following reason To setup the power sensor s IP parameters the PC used for configuring and the power sensor must either be connected to the same Ethernet hub or must be connected directly with a crossover cable The initialization program does not work through routers intelligent network switches Hence the typical sequence of tasks when putting an sat nms power sensor into operation is as follows 1 Read the chapter Safety Instructions 2 Set the power sensor s IP address 3 Mechanically mount the power sensor 4 Connect the power sensor to it s signal source the power supply and the Ethernet network 2 1 Safety Instructions Failure to observe all Warnings and Cautions listed below may result in personnel injury and or equipment damage not covered by the warranty e Follow standard Electrostatic Discharge ESD procedures when handling an Po
4. on the 8 or 48 samples the power sensor recently read frequency Here you may enter the frequency of the measured signal in MHz If this parameter is not compensation zero the power sensor looks up the frequency response calibration offset for the given frequency and adds this offset to each measured value before it is displayed The power sensor accepts integer numbers on the range 0 19000 additional The value dB specified with this parameter is added to the measured power before it is level offset displayed and compared to the fault threshold value If value is set to zero the power sensor shows the power which is measured at it s input connector The valid range for offs is 99 99 to 99 99 alarm Defines the alarm threshold value If the displayed power value with any user defines threshold offset and frequency response calibration already applied drops below this limit the power sensor reports a low signal alarm and opens the fault relay contact To disable the threshold set it to 99 99 note You may enter a note comment here which replaces the Power Reading label on the power sensor s entry page The label may be set to describe what the power sensor actually is measuring C 2013 SatService GmbH www satnms com PS UM 1301 Page 9 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 4 Remote Control The sat nms power sensor may be controlled remotely by a monitoring and co
5. a leading minus sign for negative numbers The freq parameter is restricted to be a positive integer it may consist of digits only Malformed numbers are recognized as zero C 2013 SatService GmbH www satnms com PS UM 1301 Page 12 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 5 Theory of Operation The sat nms PowerSensor consists of the following four major parts Analog Analog Microcontroller Input Digital Module Section Converter TCP IP HTTP Output D C Power Supply In the analog input section a microwave detector provides a DC voltage which is depending on the input power range either proportional to the input power or proportional to the input voltage of the input power at the power sensor The relationship between input power level and the DC voltage to be measured in the last instance by the analog to digital converter is not necessarily to be known exactly as this is measured and calibrated during the in factory calibration of each individual sensor The DC voltage coming from microwave power detector gets amplified in an operational amplifier Via a switchable resistor network the gain of the amplifier is controlled by the microcontroller which allows a so called high and low sensitivity mode The power sensor software will control this switch and either set the gain to a fixed high or low sensitivity value or in auto mode take full control about the sensitivity control and depending on the analog t
6. ch measures the RF output power of 14 or 6GHz satellite communications signals and provides this information both on a web page via an internal web server or as M amp C output information for control systems The sat nms PowerSensor enables the sat nms software to perform a precise power measurement even if the monitored and controlled satcom equipment like TWT or SSPA amplifiers or converters do not provide the necessary capabilities or don t have the accuracy Applications which include a transmit power control loop need to measure the transmit amplifier output power While many amplifiers provide a built in power sensor with adequate accuracy and resolution some low cost models do not This power sensor is intended to be a supplement to such This user manual contains all necessary information how to install setup and operate the sat nms PowerSensor The user manual is available as a printed document and for on line reading on the power sensor itself as well The paragraphs below give a short overview to the contents of this manual e Installation The installation chapter guides through the installation and setup of the power sensor It describes the mechanical concept of the power sensor box and the assignment of the power sensor s connectors Finally you learn in this chapter how to set the power sensor s IP address which is a essential precondition to operate the power sensor by means of a web browser e Operation The sat nms power sensor
7. e power value at it s input connector with this calibration If you are going to use the power sensor mounted at a fixed location in an earth station you might want to include your coupler calibration to make the power sensor show the real amplifier output power For this reason it is possible to replace the calibration table in the power sensor The calibration table is a plain text file called FCORR TXT It contains a table where each line consists of a frequency value MHz and the correction value dB separated by a semicolon The file should not contain any other information no space characters and no empty lines You may prepare this table with a spread sheet program like Microsoft Excel and export the table as a semicolon separated csv table To upload your own FCORR TXT file to the power sensor use a standard FTP client program at the command line Replace the default IP address from the example below with the address the power sensor is actually listening to ftp 192 168 2 62 user name service password service ren FCORR TXT FCORR BAK put FCORR TXT bye The suggested command sequence in the example above contains the line ren FCORR TXT FCORR BAK You should do this once the before you upload a FCORR TXT file the first time This saves C 2013 SatService GmbH www satnms com PS UM 1301 Page 14 16 SatService Gesellschaft fiir Kommunikationssysteme mbH the original calibration table into the FCORR BAK file and let
8. ed You may finally want to test if the power sensor is reachable now Start your web browser and type the power sensor s IP address into the URL field of the browser The power sensor should reply with it s main page provided that the power sensor and your computer are configured for the same subnet 2 3 Connecting the Power Sensor The connectors of the power sensor are placed on both sides One side contains the RF input connector the other side the D C and Data connectors RF connectors D C and data connectors The RF input connector is a make N type connector mounted at one front panel of the power sensor enclosure At the other side the Ethernet and power supply connectors are mounted The Ethernet connector is a standard 10 Base T RJ45 connector Use a standard network cable to connect the power sensor to an Ethernet hub If you want to connect your computer and the power sensor directly without using a hub you need a crossover cable for this with swapped RX TX lines The power supply connector also contains the fault relay contact The latter is a floating Photo MOS solid state circuit In fault state level below an adjustable threshold or while the unit is powered off it is in hi Z state several MOhms A resistance below 10 Ohms indicates that the function is OK The diagram below shows the pin out of this connector front view C 2013 SatService GmbH www satnms com PS UM 1301 Page 6 16 SatService Gesellscha
9. elsius sens The actual input amplifier sensivity sens is either HIGH or LOW tflt The threshold fault state if the power reading is below the threshold the value is FAULT otherwise it is OK 4 3 The set Command To set the operational parameters the power sensor request the set document with a HTTP GET command and append the parameters which shall be set to the URL The path which must be sent with the GET request is set fmt txt amp where stands for an arbitrary number of parameter definitions each consisting of a key word and the associated parameter value separated by a character Assuming the power sensor listens to the IP address 10 0 0 1 an example URL for this request is http 10 0 0 1 set fmt txt amp smod AUTO amp offs 0 The fmt txt parameter forces the power sensor to reply a one line text document rather than the HTML coded page which is normally displayed by the web browser The parameter definitions smod AUTO and offs 0 shown in the above example make the power sensor to select it s sensivity range automatically and to clear any user defined offset to the measurement value For a complete list of keywords see the table below The power sensor replies to every set request with a complete list of parameters in one line Like with the read command the line consists of a set of keyword value pairs separated by amp characters Within each pair keyword and value are sepa
10. ft fiir Kommunikationssysteme mbH pin no description 1 n C 2 Fault relay circuit max ratings 120V D C 100 mA 3 Fault relay circuit max ratings 120V D C 100 mA Connector type Ground Binder series 712 5 Ground subminiature circular 6 n c connector socket front view 7 24V Power Supply Internally the power sensor interconnects RF ground and D C ground In order to avoid ground loops it is recommended not to connect RF ground and D C ground at a second point 2 5 Mechanical installation The sat nms PowerSensor is designed to be mechanically mounted with it s RF input connector For most setups this will be the most convenient method However there are some cases where it is recommended to fix the PowerSensor with a break at a solid surface e When operated in an vibrating environment the sensor may resonate when fixed only with the input connector This may result in a inadmissible severe vibration at the power sensor itself e When the sensor is connected to a SMA connector through an adapter this connection easily may break as it is mechanically to strong enough not fix the sensor in safe manner C 2013 SatService GmbH www satnms com PS UM 1301 Page 7 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 3 Operation The sat nms power sensor is designed to be controlled over a network link using a standard web browser This means in practice that the user interface to
11. is operated using a standard web browser like the Internet Explorer on MS Windows based computers The user interface design is straight forward and clearly structured Operating the power sensor is mostly self explanatory Nevertheless the Operation chapter outlines the map of web pages which make up the user interface and elaborately describes the meaning of each alterable parameter e Remote Control The power sensor provides a versatile remote control interface A monitoring amp control software may fully operate the power sensor through a TCP IP network connection This chapter describes the communication protocol used for remote control and lists all parameters accessible through the remote interface e Theory of Operation This chapter gives a short overview how the power sensor works This includes a description of the power sensor s electronic concept and the methods of linearization and temperature frequency response compensation implemented in it e Specifications At the end of the document the specifications applicable to the sat nms power sensor are summarized in this chapter Support and Assistance If you need any assistance regarding our power sensor don t hesitate to contact us We would be pleased to help you by answering your questions SatService GmbH phone 49 7738 9700 3 or 4 Hardstrasse 9 fax 49 7738 97005 78256 Steisslingen www satnms com Germany satnms support satservicegmbh de C 2013
12. ntrol application through the TCP IP interface All communication with the power sensor is made with HTTP get requests This section gives a detailed description how to read out the power sensor s measurement values and how to set it s operational parameters 4 1 HTTP Protocol The power sensor implements the Hypertext Transfer Protocol HTTP RFC 1945 both for the user interface and for the M amp C interface All communication even setting operational parameters is done with HTTP GET requests For the user interface the power sensor replies to requests with HTML pages which display the requested information in a web browser For the M amp C interface the power sensor replies to requests with an one line text document Command parameters to the power sensor are appended as CGI form parameters to the URL see RFC 1738 The first parameter always is fmt txt which tells the unit to reply a one line text document instead of a voluminous HTML page nsor s always fmt txt host name protocol type the por IP addr path other parameter to be set at the power sensor only valid with set http 192 168 2 63 set fmt txt amp smod AUTO 4 2 The read command To read the measurement value from the power sensor request the read document with a HTTP GET command The path which must be sent with the GET request is read fmt txt Assuming the power sensor listens to the IP address 10 0 0 1 the complete URL f
13. o digital converter ADC output value switch the sensitivity automatically At the output of the operational amplifier the DC voltage which is a measure of the RF input power is provided as input value to the analog to digital converter The sat nms PowerSensor uses a 16 bit ADC this provides enough resolution to always guarantee the 0 01dB resolution in power level output via the web server The complete power sensor is operated by a 24V DC voltage source This has the advantage that the already existing 24V supplies in a satellite ground station or an M amp C System can be used to provide the supply voltage of the power sensor The 24V supply voltage is routed via a EMV coupled inductor and a transsorber diode which switches off at voltages greater than 36V This together with a SMD fuse protects the power sensor from to high input voltages or EMV disturbances introduced via the 24V supply line After this input and safety section a DC DC converter provides the 5V DC voltage necessary for the microprocessor and digital part of the power sensor Parallel to this a linear voltage regulator provides a so called analogue 5V which is independent from the microprocessors digital 5V supply and therefore more stable and less noise which is better for the analog to digital converter and its analog input section Beside the detector diode and the RF matching circuitry the RF sensor module contains a temperature sensor The temperature registered by this senso
14. or the request is http 10 0 0 1 read fmt txt The fmt txt parameter forces the power sensor to reply a one line text document rather than the HTML coded page which is normally displayed by the web browser The power sensor answers a text plain type document which consist of one line As shown in the example below the line consists of a set of keyword value pairs separated by amp characters Within each pair keyword and value are separated by the character dbms 12 34 amp adcv 12345 amp temp 22 5 amp sens LOW amp tflt OK The format does not use fixed column widths for the values however the precision of floating point values is always as shown in the example An application which parses this string should not rely on the order of the values in the line Future version of the power sensor may provide additional values which not necessarily will appear at the end of the line The table below describes the values included in this message dbms The calibrated temperature compensated power reading in dBm Any user supplied offset or frequency response compensation is included in this value adcv The raw ADC value without any calibration or compensation applied The value is in the range 0 65535 C 2013 SatService GmbH www satnms com PS UM 1301 Page 10 16 SatService Gesellschaft fiir Kommunikationssysteme mbH temp The temperature measured inside the power sensor enclosure The value is in degree C
15. ower sensor reports a low signal alarm and opens the fault relay contact To disable the threshold set it to 99 99 freq Defines the frequency of the measured signal in MHz If this parameter is not zero the power sensor looks up the frequency response calibration offset for the given frequency and adds this offset to each measured value before it is displayed freq accepts integer numbers on the range 0 19000 fcor The calibration offset the power sensor actually adds to each measured value due to the C 2013 SatService GmbH www satnms com PS UM 1301 Page 11 16 SatService Gesellschaft fiir Kommunikationssysteme mbH frequency response calibration This value is zero unless you set a measurement frequency with the freq parameter The fcor parameter is read only the value only can be set by changing the freq parameter offs The value dB specified with this parameter is added to the measured power before it is displayed and compared to the fault threshold value If offs is set to zero the power sensor shows the power which is measured at it s input connector The valid range for offs is 99 99 to 99 99 snr The power sensor s serial number This is a five digit hexadecimal number which uniquely identifies each individual unit snr is a read only parameter Floating point numbers as for the thrh and offs parameters may consist of digits one optional decimal point and
16. power sensor itself e A 24V DC power supply e A Computer running a Microsoft Windows operating system equipped with CD ROM drive and Ethernet network card e ACATS5 crossover network cable or a Ethernet hub and standard network cables to connect the power sensor and the computer e The CD ROM shipping with the sat nms power sensor Setting the power sensor s IP parameters now is easily done within a few minutes 1 First install a network cable between the power sensor and your computer If you have a crossover cable available this is very easy simply put the cable into the network connectors of computer and power sensor Without a crossover cable you need to connect both the computer and the power sensor to the same network hub using two standard network cables It is essential that the computer and the power sensor are connected to the same network segment the configuration program is not able to find the power sensor through routers or network switches 2 Now power on your computer and connect the power sensor to the 24V DC supply 3 Insert the CD ROM into the computer s drive and inspect it s contents through the My Computer icon on your desktop Double click to the ChipTool exe program in the ChipToo directory 4 When the ChipTool program is running type CTRL F to make the program search the power sensor The program shows a list containing at least one entry describing the actual network parameters of the power sensor
17. r is used by software in the M amp C module to perform the temperature compensation of the measured power 5 1 Linearity and Temperature Compensation The microprocessor module measures the RF power by means of the A D converter measures the temperature and controls the input amplifier sensivity Using this data the software calculates the true RF input power by interpolating in calibration tables During the in house commissioning each power sensor individually gets calibrated at several temperatures over the whole dynamic range The calibration tables derived from this are stored on the power sensor During operation the power sensor interpolates in these tables to evaluate the true measured power from the raw ADC value and the temperature reading C 2013 SatService GmbH www satnms com PS UM 1301 Page 13 16 SatService Gesellschaft fiir Kommunikationssysteme mbH USER USER DISPLAYED SUPPLIED SUPPLIED VALUE mW FREQUENCY POWER VALUE OFFSET 4 FREQ CALIBRATION LINEARIZING TEMPERATURE DISPLAYED CORRECTION VALUE dBm INPUT AMPLIFIER AD CONVERT AUTO RANGING FAULT RELAY USER SUPPLIED POWER THRESHOLD 5 2 Frequency Response Calibration The power sensor has a frequency response calibration table built in which lets the power sensor compensate the influence of the signal frequency to the power reading This calibration has been made at SatService GmbH the power sensor shows th
18. rated by the character smod AUTO amp fltr OFF amp thrh 99 99 amp freq 0 amp fcor 0 00 amp offs 0 00 amp snr 0D8F9 The values contained in this list are the values which actually are applying including the new values read from the sett URL The power sensor does not give a fault message if it receives an invalid parameter definition It limits parameter values to a valid range or selections instead If a keyword is not known it ignores this parameter completely To read the parameters actually set with changing a value send a HTTP GET request with fmt txt as the only parameter The table below describes the valid parameter settings keywords and selection tokens are case sensitive smod Sets the sensivity range the power sensor uses AUTO makes the power sensor select the appropriate range automatically LOW selects the low sensivity range for high levels HIGH selects the high sensivity range It is strongly recommended to operate the power sensor with smod AUTO The power sensor uses this as fall back if it receives an invalid smod selection fltr Sets the filter the power sensor applies to the measured values Valid choices are OFF FAST and SLOW OFF is the default value the power sensor uses if it recognizes an invalid fltr selection thrh Defines the alarm threshold value If the displayed power value with any user defines offset and frequency response calibration already applied drops below this limit the p
19. s you restore the factory calibration at a later time Never change or delete the H TXT L TXT calibration files on the power sensor If these files are damaged the sensor must be returned to SatService GmbH and calibrated again There is no way to calibrate the power sensor on site C 2013 SatService GmbH www satnms com PS UM 1301 Page 15 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 6 Specifications RF Specification Input frequency range to be defined at order 5 8 to 6 6GHz PSMC 13 75 to 14 5GHz PSMKu Input Connector N male 500hm Input Return Loss gt 16dB Input Power Measurement Range 15 to 18dBm Resolution of power level 0 01dB Linearity failure 0 7dB Averaging function selectable High Low Auto M amp C Interface Specification Ethernet interface for M amp C and user interface 10 Base T User Interface Via any Web Browser M amp C Interface for remote monitoring amp control Via http GET requests Summary fault level alarm indication Photo MOS Relay contact 120 V D C 100 mA Electrical and Mechanical Specification Environmental conditions Supply Voltage all stabilization necessary should be performed 22V to 28V unregulated DC on the board Connector for 24V Supply and Alarm contact Binder Series 712 7PIN Temperature range 5 to 50 C Humidity up to 90 non condensing Compact Module 185x60x35mm C 2013 SatService GmbH
20. sat nms Power Sensor User Manual User Manual Version 1 4 2007 05 07 SatService Gesellschaft fiir Kommunikationssysteme mbH Table Of Contents Table Of Conte vic A oda A A EL a RE EER 1 1 kai tore 1 Ted TOD er tias 3 o RR 3 2 1 Safety Instructions cimil ted 4 2 2 Setting the IP Address odio dd la 4 2 3 Comnectino the Power Sensor iia ii 6 2 3 Mechanical installation oeeaaeaii aiie aras aiiiar AEE ieia eiaa 7 3 Operation ann an A A E A AA A A ai 8 3 1 The Web based User Interface eek is 8 3 2 Displayed Read nss ser 8er een dieta dotan ia d 8 3 3 Operational Parameters se u a touted heed ario tdo ae EE EE 9 4 Remote Controla libelo cee 9 AA HTTP Protocol crucial ER ci 10 4 2 The read command ct enden 10 4 3 The set Command seen lgd enedes eee 11 5 Theory of Operation es rse a Mena LEIHEN a 13 5 1 Linearity and Temperature Compensation 0 eeeeeeeeeeeeeeeeeeeecececeeeceeeeeceeececeeeceeeeeeeeeeeeeeeeeeeeeeess 13 5 2 Frequency Response Calibration unseres seen ae 14 OSPECHICAIONS nassen id ea ia SE BESES EGNE TED EN ERNE SORTE DSE is 15 C 2013 SatService GmbH www satnms com PS UM 1301 Page 1 16 SatService Gesellschaft fiir Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com PS UM 1301 Page 2 16 SatService Gesellschaft fiir Kommunikationssysteme mbH 1 Introduction The sat nms PowerSensor manufactured by SatService GmbH is a measurement tool whi
21. te of the software Help Clicking to this button shows the on line version of this user manual 3 2 Displayed Readings The Power Reading page is the main page of the power sensor which shows the actual measurement value and some important settings Parameter settings reported here are for information only To change a setting switch to the Setup page The Power Reading page automatically refreshes once a second The table below describes the information shown by this page Parameter Description Name power Shows the actually measured power The displayed value is the calibrated power at the reading power sensor s input with the frequency compensation values and an optional level offset added frequency If you have set the frequency value at the Setup page to a non zero value the power compensation sensor interpolates this frequency in the frequency response calibration table and includes this value into the displayed power value The amount of frequency response compensation applied is displayed in this field additional At the Setup page you may enter an additional level offset which also is included into the level offset displayed value The value actually used by the power sensor is displayed here sensor Shows the temperature inside the power sensor s enclosure temperature C 2013 SatService GmbH www satnms com PS UM 1301 Page 8 16 SatService Gesellschaft fiir Kommunikationssysteme mbH
22. the power sensor appears in your browser window after you type in the power sensor s IP address in the address field of the browser program Operating the power sensor is mostly self explanatory 3 1 The Web based User Interface After having connected the to a power supply and set the power sensors IP address you can access the power sensor s user interface To do this start your favorite web browser program Internet Explorer Netscape Navigator Opera or what else Program you prefer At the address field where you normally enter the URL of a web page you want to see type in the IP address of the sat nms power sensor you want to control The power sensor shows a web page consisting of a navigation bar at the left side of the browser window and the actual readings of the power sensor in the main part of the window The readings automatically refresh once a second The navigation bar at the left contains five buttons which build the power sensor s main menu Power This button switches back to the power sensor s main page you already see when you connect to Reading the power sensor This page displays the actual readings of the power sensor Setup By clicking to this button you switch to the Setup page where you can view and change the operational settings of the power sensor Info After a mouse click to this button the power sensor shows a table with information like the serial number of the device or the revision ID and compilation da
23. wer Sensor Unit e Select and apply the appropriate 24V DC voltage according to the data sheet and documentation before connecting power e The PowerSensor will be damaged if the total RF input power is higher then specified maximum value Do not connect the RF input of the Power Sensor to interfaces where the total output power is higher than the specified value of the data sheet or indicated on the PowerSensor In case of an failure don t open the Power Sensor call SatService GmbH for an RMA number e Observe normal safety precautions when operating servicing and troubleshooting this equipment Take standard safety precautions with hand and or power tools e When connecting the PowerSensor s fault relay circuit observe the maximum ratings 120V D C 100mA The fault circuit is a Photo MOS semiconductor relay which will immediately damaged when connected to higher voltages than specified 2 2 Setting the IP Address Before you can operate the power sensor you need to set the power sensor s IP address There is a special configuration program on the documentation CD shipping with the power sensor for this purpose We recommend to configure the power sensor s TCP IP settings before you install the power sensor at it s final place To configure the power sensor the following equipment is required C 2013 SatService GmbH www satnms com PS UM 1301 Page 4 16 SatService Gesellschaft fiir Kommunikationssysteme mbH e The sat nms
24. www satnms com PS UM 1301 Page 16 16
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