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5.1 M560 Modbus Protocol

5.0 RS485 COMMUNICATION

The RS 485 allows remote reading and programming of the
M560 via a host computer. The communication
protocol used is a subset of Modicons Modbus, (see section
5.1) enabling the use of standard host computer, PLC and
scada programs. Up to 32 PowerSig M560s can be
connected in parallel to a single communication bus.

5.1.1 Physical Connections

The interface to the Modbus network is via an RS485
connection. This takes the form of a twisted pair cable
preferably screened, onto which up to 32 devices may be
connected, one of which will be the host PC or controller
node. The devices on the network are connected in parallel
+ to +, - to - and shield to shield ( screen to screen). The
shield should be connected to earth at one point of the
network only. Other manufacturers of devices intended for
use on the Modbus network may have dif and -
designations : some have Hi, Lo or A ,B. In any case
reversing the + and - connections may have the desired
results if the device fails to communicate with the master
node.
The maximum length of the twisted pair cable specified by
the RS standard is 1.2km. Any length over 200m should be
terminated at each end with a resistor equal to the cable's
characteristic impedance in series with a 0.1µF capacitor.
A typical network cable is Beldon 8761.

M560AT~1.PM5

01/08/101, 12:52

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Содержание PowerSig M560-AT

Страница 1: ...PowerSig MULTIFUNCTION TRANSDUCER M560 AT OPERATING MANUAL M560AT 1 PM5 01 08 101 12 51 1 ...

Страница 2: ...ODBUS REGISTER SEQUENCE 5 RS485 COMMUNICATION 6 INSTALLATION 7 CONNECTION DIAGRAMS 8 SPECIFICATION Revision 4 Date 20 10 2011 Multitek Ltd Lancaster Way Earls Colne Business Park Earls Colne Colchester Essex CO6 2NS England Tel 01787 223228 Fax 01787 223607 E MAIL Sales multitek ltd com WEB SITE WWW multitek ltd com 2 ...

Страница 3: ...Monitor95 or System Monitor Manual Ammendments Page 45 Changed 3X Modbus registers to odd numbers Page 50 Changed 4X Modbus registers to odd numbers Additional 4X registers 40083 0x0052 RESET Import kW h Register WO 40085 0x0054 RESET Export kW h Register WO 40087 0x0056 RESET Import kVAr h Register WO 40089 0x0058 RESET Export kVAr h Register WO 40091 0x005A RESET kVA h Register WO 40093 0x005C R...

Страница 4: ...LAY ASSIGNMENT R W 40045 0x002C RELAY DIVISOR R W 40047 0x002E RELAY PULSE WIDTH R W 40049 0x0030 RESET FLASH EEPROM DATA WO 40051 0x0032 I P V1 GAIN FACTOR R W 40053 0x0034 I P V2 GAIN FACTOR R W 40055 0x0036 I P V3 GAIN FACTOR R W 40057 0x0038 I P I1 GAIN FACTOR R W 40059 0x003A I P I2 GAIN FACTOR R W 40061 0x003C I P I3 GAIN FACTOR R W 40063 0x003E Factoryuse ILLEGAL 40065 0x0040 Factoryuse ILL...

Страница 5: ...tem Apparent Power VA Import Active Energy W h Export Active Energy W h Import Reactive Energy VAr h The M560 units are fully programmed by the factory and no further programming is necessary If the RS485 option is ordered the user can reprogram parameters to individual requirements such as the voltage and current ratios relay output demand times as well as assign different param eters to the outp...

Страница 6: ... maintain the stored data 1 3 Relay Output optional The relay output provides a pulsed output corresponding to consumption Watt hour import or export VAr hour import or export A h or VA h consumption The relay can be assigned to any of these parameters see programming section 2 15 1 The M560 automatically calculates the pulse rate and whether the units are W h kW h or MW h VAr h kVAr h or MVAr h e...

Страница 7: ...vailable for programming and displaying parameters Contact your local distributor for a free copy or visit our website www multitek ltd com 1 5 LED indicator The red LED on the front of the M560 serves three purposes LED continually illuminated means that the power supply is o k LED illuminated and flashing every 10 seconds means that the power supply o k and the M560 is communicating correctly LE...

Страница 8: ...r the Multitek website www Multitek Ltd com 2 2 Open the Monitor95 exe file and the following screen will be displayed The following functions displayed relate to the PC or master node and are set by default to the following settings Response time 300mS Node 1 Baud Rate 9600 Parity None It may not be necessary to alter the above settings but the communication port has to be opened by clicking on s...

Страница 9: ...N Click Node No Box COMMENTS Enter Node Number any number between 1 247 2 5 Opening communication port ACTION Click Start Button COMMENTS Port selection box appears see below 2 3 Changing Response Time ACTION Click Port Box COMMENTS Chose the PC s communication port click on Com 1 or Com 2 7 M560AT 1 PM5 01 08 101 12 51 7 ...

Страница 10: ...COMMENTS Choose Parity Three options Odd Even or None 2 8 Starting Communication ACTION Once Comms Port Baud Rate and parity are set Click on O K COMMENTS If Communication is working message modbus OK appears in Modbus box COMMENTS M560 and PC communicating correctly COMMENTS M560 and PC not communicating correctly 8 M560AT 1 PM5 01 08 101 12 51 8 ...

Страница 11: ...D flashing every second there is no measuring input voltage signal 9 2 9 Displaying parameters being measured Once M560 is communicating with your PC you can now monitor different readings ACTION None COMMENTS The 6 boxes show line to line voltage and line to neutral voltage for each phase Note if unit is 3 phase 3 wire M560 CT4 V1 V2 V3 are the same as VL1 2 VL2 L3 VL3 1 ACTION Click on button CO...

Страница 12: ...vg is now shown ACTION Click on button COMMENTS This button moves back one parameter e g now I1 is shown again Note The buttons work as follows This button scrolls up one parameter This button scrolls up six parameters This button scrolls down one parameter This button scrolls down six parameters M560AT 1 PM5 01 08 101 12 51 10 ...

Страница 13: ...on Continue button COMMENTS The communication restarts 2 10 2 To restart communication 2 10 3 To stop communication ACTION Click on Stop button COMMENTS The communication stops ACTION Click Start button COMMENTS Follow instructions in section 2 8 i e click on O K button in port set up box and communication will start M560AT 1 PM5 01 08 101 12 51 11 ...

Страница 14: ...p button COMMENTS The timer stops and gives option of resetting or continuing ACTION Click Reset button COMMENTS The timer resets to zero ACTION Click Continue button COMMENTS The timer continues to count displaying the total time from when counter initially started ACTION Click Start button COMMENTS The timer starts M560AT 1 PM5 01 08 101 12 52 12 ...

Страница 15: ...T ratios demand times etc the General Pass Code must be entered The General Pass Code is 080453 This is general pass code and is only applicable to Multitek M560 software Pass Codes necessary for use with other software are listed in Section 4 page 45 of this manual ACTION Enter value COMMENTS Enter security code 080453 and click on OK button M560AT 1 PM5 01 08 101 12 52 13 ...

Страница 16: ...OM Response Time Node Number Communication Port Baud Rate and Parity are dependant on the system and PC etc that is being used When connected to an existing Modbus network the M560 will automatically detect and configure itself to the network s settings These settings can be locked into the EEPROM of the M560 to prevent unnecessary hunting For a more detailed explanation of this facility see help ...

Страница 17: ...e change required was for a C T ratio 500 1A then the unit would have to be returned to the factory or distributor to have the internal C T changed from 5A to 1A The same applies to the voltage if the M560 input voltage is 110 Volts L L then an external voltage transformer ratio can be programmed as long as the nominal input to the M560 stays at 110V L L 2 14 1 Changing VT ratio ACTION None COMMEN...

Страница 18: ...ing CT ratio For example to change for 200 5A change to 400 5 ACTION Click Current Button COMMENTS Enter Value box is displayed ACTION None COMMENTS M560 is programmed to 200 5A ACTION Enter Value COMMENTS Enter 400 400 Amps Click on OK 16 M560AT 1 PM5 01 08 101 12 52 16 ...

Страница 19: ... to which ever parameter is selected 2 15 1 Selecting Parameter to be assigned to relay for pulsedoutput ACTION Click On Relay Mode Button COMMENTS Relay Mode box is displayed ACTION None COMMENTS Relay is assigned W h Import Watt Hour Import ACTION Select Parameter to be assigned to relay output COMMENTS Using the up and down cursor you can scroll through the parameters available In this example ...

Страница 20: ...er to set the relay to pulse every 1 10 100 or 1000 counts i e If the divisor is set to 1 every time M560 registers and stores 1 count relay the pulses once If set to 100 the relay only pulses once after M560 has registered and stored 100 counts The M560 always registers and stores the number of counts regardless of what the relay divisor is set to i e If the kilowatt consumption was 500 kW per ho...

Страница 21: ... Demand Demand times between 3 and 30 minutes can be programmed in 1 minute steps The M560 samples the instantaneous values for 1 minute then takes the average of these samples and updates the memory This sampling and updating every minute continues until the time period selected is reached e g If time period is 15 minutes then after 15 minutes the average of 15 minute demand is displayed When the...

Страница 22: ...s ACTION Enter Value COMMENTS Enter 30 30 minutes Click on OK Button 2 17 Resetting of energy registers The ENERGY reset programming mode allows the User to reset the Watt hour register import and export W h kW h MW h the VAr hour register import and export VAr h kVAr h MVAr h VA h registers and A h registers to zero ACTION Click On Energy Button COMMENTS All energy registers are reset to zero M56...

Страница 23: ...sible to reset all registers by clicking on the EEProm button This sets all Demand and Energy registers to zero It resets Voltage Current System Type and Demand Period to Default Settings shown below Voltage 230V LN Current 5A Type 3 Phase 4 Wire Demand Period 8 minutes 2 18 1 Resetting All Registers ACTION Click EEProm Button COMMENTS All registers are reset 2 19 Modbus Registers This operation s...

Страница 24: ...a common bus must have its own unique node address Note All M560 instruments are set by the factory to the default node number 1 but all respond to a query using address 254 This allows any M560 to communicate on any existing Modbus network Once the unit has communicated successfully the node number required can be set as follows ACTION Click On Node Number Button COMMENTS Enter Value box is displ...

Страница 25: ...uggest that the user makes a note of the values and stores them with the a note of the serial number of the M560 being used 2 21 1 Calibration Enable Before the calibration part of the program can be used the Calibration Enable Password has to be entered The code is the same as General Password 080453 for the M560 monitor software See page 45 for programming codes ACTION Click Cal Enable Button CO...

Страница 26: ...the following operation in 2 21 3 if the calibration data has been lost and you have recorded original calibration data 2 21 3 Entering Calibration Data ACTION Click on Manual Button COMMENTS Enter Value box is displayed ACTION Enter value COMMENTS Enter recorded values into V1 V2 V3 I1 I2 I3 click on O K The Clear button clears all calibration data from the calibration registers and sets them all...

Страница 27: ...ph single phase load Power Total power when nominal input is applied Demand Status This reads the state of the demand count downtimer When integration starts the counter loads in the demand period and counts down towards zero each minute The value returned from the M560 is the number of minutes remaining before the unit starts its sliding window mode Once sliding window mode is reached display cha...

Страница 28: ...ogram stack state Parity Errors number of errors since node cold started CRC errors Number of CRC errors since node cold started EEprom Indicates O K or error Quit Ends program Help Provides help files M560AT 1 PM5 01 08 101 12 52 26 ...

Страница 29: ...0 PROGRAMMING ANALOGUE OUTPUTS If the unit has not been provided with a communication option this section is not relevant please move to section 6 installation 3 1 Using the M560 Software Monitor 95 M560 Software Monitor 95 can be obtained from your Multitek distributor or the Multitek website www Multitek Ltd com 3 2 Load disc and open file multd2a This is PowerSig Analogue Outputs Program and th...

Страница 30: ...Com 1 or Com 2 3 4 Addressing PowerSig Node The Node number of PowerSig being address has to be entered ACTION Click Node Number Button COMMENTS Enter node number of PowerSig to be addressed PowerSig can have any number between 1 247 Note All PowerSigs will respond if set to node 254 28 M560AT 1 PM5 01 08 101 12 52 28 ...

Страница 31: ...up and down cursor on your PC you can scroll through all the parameters that are available Select the parameter required for output 1 Example if Total Current of system is required select I sum ACTION Click on Button COMMENTS Output 1 I sum This appears in Node No1 Box 29 M560AT 1 PM5 01 08 101 12 52 29 ...

Страница 32: ...Node No1 Box ACTION Click on Available Outputs Box COMMENTS Using the up and down cursor choose parameter required for analogue output 3 Example if system frequency is required choose Hz Note If a parameter is entered into the Node No1 box in error Click button The parameter is then removed and the desired parameter can be entered Click on Clear Button and all parameters in Node No1 Box are remove...

Страница 33: ... 20mA any value between 1 20mA can be specified These values are entered as a percentage of 20mA Example Output 1 I sum 4 20mA Output 2 W3 10m 0 10mA Note all parameters that can be read as bipolar like Watts the Multd2a program automatically sets the outputs as bipolar outputs Output 3 Hz 0 1mA ACTION Click On Zero Offset Box CH1 COMMENTS Nominal Box is set at 100 20mA Zero offset box is set at 0...

Страница 34: ... box is set at 0 0mA ACTION Enter Value 50 Into Nominal Box CH2 COMMENTS Nominal box is set at 50 10mA Output 1 is now set at to 10mA 0 10mA ACTION Enter Value 20 into Offset Box CH1 COMMENTS Zero offset box is set at 20 4mA Output 1 is now set to 4 20mA 32 M560AT 1 PM5 01 08 101 12 52 32 ...

Страница 35: ...3 COMMENTS Nominal box is set at 5 1mA Output 1 is now set at to 0 1mA 3 7 Setting Reading and Sending all parameters and Analogue Output Information ACTION Click Enable Button COMMENTS This action sends a pass code to allow data to be sent to PowerSig ACTION Click Send Button COMMENTS Updates node output settings 33 M560AT 1 PM5 01 08 101 12 52 33 ...

Страница 36: ...ACTION Click Read Button COMMENTS Reads all parameter information and corresponding outputs 34 M560AT 1 PM5 01 08 101 12 52 34 ...

Страница 37: ...ultitek ltd com 4 2 Load disc and open Mbregs This is the Modbus Regis ters Tool program and the screen below will be displayed 4 3 This software allows the user to alter the sequence in which the Modbus addresses are read So for example if the user was only interested in Watts Hz Power Factor then these 3 registers could be set as the first 3 and the remaining registers ignored The following para...

Страница 38: ...unica tion port 1 or 2 Click on Comms 1 or Comms 2 4 5 Programming Modbus Register Sequence ACTION Click on Default Order Box COMMENTS Using Up and Down cursor you can scroll through all parameters that are avail able and see the order that they will appear in This order can be changed M560AT 1 PM5 01 08 101 12 52 36 ...

Страница 39: ...f System PF Avg and Maximum VA Demand Max VAd This sequence can be set as follows ACTION Scroll Through to W Sum COMMENTS W Sum is highlighted ACTION Click on Button COMMENTS W Sum This appears in Node No Box ACTION Scroll Through to Hz COMMENTS Hz is highlighted 37 M560AT 1 PM5 01 08 101 12 52 37 ...

Страница 40: ...e No box is read and stored by the M560 This also adds any of the parameters not selected into Node No Box these will appear below the selected parameters Repeat the sequence of highlighting the parameter required and clicking on until all parameters required are in the sequence required in the Node No 1 box Then complete the following operations to send and read these parameters M560AT 1 PM5 01 0...

Страница 41: ...gram Offers If you wish to remove a parameter from Node No Box highlight the parameter and click on Default Clicking on default overrides parameters in Node No Box and replaces them in the Default order Clear Clicking on Clear removes all parameters from the Node No Box Print Allows printing of parameter order 39 M560AT 1 PM5 01 08 101 12 52 39 ...

Страница 42: ...ich will be the host PC or controller node The devices on the network are connected in parallel to to and shield to shield screen to screen The shield should be connected to earth at one point of the network only Other manufacturers of devices intended for use on the Modbus network may have different and designations some have Hi Lo or A B In any case reversing the and connections may have the des...

Страница 43: ...exclusive OR value A001h Low byte sent first 5 3 5 Modbus Protocol Only the RTU Remote Terminal Unit form of the Modbus protocol will be supported and all references in this sheet refer to RTU format Typically the master or controller requests data from its slaves by polling them one at a time and waiting for a pre defined amount of time for a response If a node doesn t respond within this time pe...

Страница 44: ...ith 0xA001 CRCREG contains the CRC of the buffer A typical communication packet will be in the form Node Address Function Byte count Data etc Error check Because Modbus is a word 2 byte orientated protocol floating point 4 byte register numbers are counted in multiples of two viz register 1 start address 0 register 2 start address 2 register 3 start address 4 register 4 start address 6 Formula reg...

Страница 45: ...east 3 5 character times marks the end message The entire message frame must be transmitted as a continuous stream 5 3 8 Codes Supported Function 3 03 hex Read holding registers 4X Function 4 04 hex Read input registers 3X Function 16 10 hex Preset Multiple register 4X Function 17 11 hex Report slave ID Function 30 1E hex Modbus register order Write Function 31 1F hex Modbus register order Read BR...

Страница 46: ...ng with Modicon Modbus codes are designated addresses starting at 30001 Packet from master format Node Addr 04 reg start addr 2 bytes No of reg 2 bytes CRC 2 bytes Response from slave format Node Addr 04 Byte count Data byte count bytes CRC 2 bytes The following table lists the parameters with the Modbus equivalent address and its address within the M560 Any data requested that isn t applicable to...

Страница 47: ...elow is the default order of the 3X registers in M560 The order can be altered using the Modbus Regis ters Tool Program see section 4 or by a suitable SCADA program Modbus Add Register Add Register Name Order No 30001 0x00 V L1 2 1 30003 0x02 V L2 3 2 30005 0x04 V L3 1 3 30007 0x06 V 1 4 30009 0x08 V 2 5 30011 0x0A V 3 6 30013 0x0C I 1 7 30015 0x0E I 2 8 30017 0x10 I 3 9 30019 0x12 W Sum 10 30021 ...

Страница 48: ...d 25 30051 0x32 Neutral I 26 30053 0x34 VA 1 27 30055 0x36 VA 2 28 30057 0x38 VA 3 29 30059 0x3A PF L1 30 30061 0x3C PF L2 31 30063 0x3E PF L3 32 30065 0x40 WHr EXP 33 30067 0x42 VArHr EXP 34 30069 0x44 VAHr 35 30071 0x46 AHr 36 30073 0x48 Wd EXP 37 30075 0x4A Max Wd IMP 38 30077 0x4C Max Wd EXP 39 30079 0x4E Max VAd 40 30081 0x50 Max Ad 41 In 3 wire mode system V1 V2 V3 will have same value as vo...

Страница 49: ...READ button The list can be modified using the CLEAR DEFAULT and buttons to enable the most accessed parameters to appear first in the Node s list thereby optimising the speed of the system The default order for the registers is listed in the left hand area of the dialog box Simply clear the right hand list box and enter the register order required The same results can be achieved by using Modbus ...

Страница 50: ...2h 0304h 0506h 0708h 090Ah 0B0Ch 0D0Eh 0F10h 1112h 1314h 1516h 1718h 191Ah 1B1Ch 1D1Eh 1F20h 2122h 2324h 2526h 2728h 29XX CRC 2bytes N B XX don t care To read the order of the registers use code 1F 31 eg 23h 1F 0000 0018h CRC 2bytes 48 Start at Power L1 0020 request 3 regs 0006 words 23 04 0020 0006 CRC 2bytes Response from slave format 23 04 12 bytes of data 3 regs x 4 bytes CRC 2 bytes Function ...

Страница 51: ...ter start address 2 bytes No of registers 2 bytes Byte count Data byte count bytes CRC 2 bytes Response from slave format Node addr 10 Register start addr 2 bytes No of registers 2 bytes CRC 2 bytes The following table lists the parameter its Modbus equivalent address and its address within the M560 Any Illegal operation will return an Error code 4X Registers The registers are listed with their Mo...

Страница 52: ...0013 0x0C RELAY DIVISOR R W 40015 0x0E RELAY PULSEWIDTH R W 40017 0x10 RESET ENERGY WO 40019 0x12 RESET DEMANDS WO 40021 0x14 CALIBRATE INPUT WO 40023 0x16 SET NODE ADDRESS WO 40025 0x18 Analogue o p 1 assignment R W 40027 0x1A Analogue o p1 nominal R W 40029 0x1C Analogue o p 1 zero R W 40031 0x1E Analogue o p 2 assignment R W 40033 0x20 Analogue o p 2 nominal R W 40035 0x22 Analogue o p 2 zero R...

Страница 53: ...SSCODE WO 40073 0x48 D to A1 OVERRIDE WO 40075 0x4A D to A2 OVERRIDE WO 40077 0x4C D to A3 OVERRIDE WO 40079 0x4E Future use R W 40081 0x50 Future use R W 40083 0x52 Future use R W 40085 0x54 Future use R W 40087 0x56 Future use R W 40089 0x58 Future use R W 40091 0x5A Future use R W 40093 0x5C Future use R W 40095 0x5E Future use R W 40097 0x60 LOCK ACIA SETTINGS WO 40099 0x62 Future use R W 4010...

Страница 54: ...t values To obtain ID on Node 23h Packet from master format 23 11 CRC 2 bytes Response from slave format 23 11 28 40 bytes of data 10 regs x 4 bytes CRC 2 bytes Example To obtain System Volts System Amps on Node 23h Packet from master format Start at system voltage 0000 request 2 regs 0004 words 23 03 0000 0004 CRC 2 bytes Modbus Report Slave ID Function code 11h This function returns the status o...

Страница 55: ...60 is being used with Multitek M560 software all relevant codes are detailed in section 2 If user is using other software the codes required are as follows GeneralPassword 18902 Calibration Enable 17901 Comms Lock 20904 Eprom Reset 19903 Note General pass code has to be sent first Examples of typical packets Reset EEPROM 01 10 002C 0002 04 469B7E00 B4E5 General Passcode 01 10 0042 0002 04 4693AC00...

Страница 56: ...se The M560 is designed for snap on to Din rail mount 35 x 7 5mm Complies with DIN EN 50022 CASE DIMENSIONS 54 100 35 70 DIN EN 50022 BS5584 Rail fixing M3 5 terminals rising clamp terminals M560AT 1 PM5 01 08 101 12 52 54 ...

Страница 57: ...26 IEC 185 or equivalent The secondary of these external transformers must have the same nominal current input as that specified on the data label on the side of the M560 e g If the M560 has a current ratio specified as 500 5A then the current transformer could be changed to 800 5A or any ratio with secondary 5A and used once the current ratio has been programmed into the M560 see section 4 2 2 Bu...

Страница 58: ... same nominal voltage as that specified on the data label on the side of the M560 e g If the M560 had a voltage specified as 110 Volts Line to Line then a Transformer with Ratio of 6600 110 volt can be used once this ratio has been programmed into the M560 See section 4 21 But if the ratio was 6600 400V the unit would have to be returned to the factory or distributor to have internal component cha...

Страница 59: ...ECTION DIAGRAMS 7 1 All connections must be made ensuring all starts and finishes of current and voltage transformers are connected as shown SINGLE PHASE 3 WIRE 57 SINGLE PHASE M560AT 1 PM5 01 08 101 12 52 57 ...

Страница 60: ...3 PHASE 3 WIRE UNBALANCED LOAD 58 3 PHASE 4 WIRE UNBALANCED LOAD M560AT 1 PM5 01 08 101 12 52 58 ...

Страница 61: ...SYSTEMS M560 AT1 Single phase M560 AT1 3 Single phase 3 wire M560 AT4 3 phase 3 wire unbalanced load M560 AT9 3 phase 4 wire unbalanced load ACCURACY Specified 23 C 10 Un 10 In Parameters unless stated Class 0 3 to IEC 688 Volts and Amps Class 0 25 to IEC 688 Frequency Class 0 1Hz to IEC 688 Power Factor Class 1 0 to IEC 688 Active Reactive Energy 1 of reading IEC 1036 APPLIED STANDARDS General IE...

Страница 62: ...UTPUTS 3 outputs Programmable to any 3 parameters apart from energy measurements W h VAr h VA h A h Rated value software selectable 0 1mA into 10kOhm load 0 5mA into 2kOhm load 0 10mA into 1kOhm load 0 20mA into 0 5kOhm load 4 20mA into 0 5kOhm load 0 10 volts 1kOhm load Accuracy is relative to a standard 20mA or 10V output When outputs specified on order the accuracy will be applicable to that ou...

Страница 63: ...g with IEC 801 EN 55020 HF Surge withstand IEC 801 EN55020 ANSI C37 90A Interference EHF 2 5kV 1MHz complying with IEC255 4 Protection Class II Complying with IEC348 ENVIRONMENTAL Working Temperature 0 to 60 deg C Storage Temperature 30 to 65 deg C Temperature Coefficient 0 01 per deg C Relatively Humidity 0 95 non condensing Warm up time 1 min Shock 20G in 3 planes Multitek Ltd Lancaster Way Earl...

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