ISTAT I400 Standard Transducer ref
Contents
1. 100 FIGURE 1 1400 DIMENSIONS Models with case width 44 8mm 14CA I4VA 14CD I4VD I4F and 14D Models with case width 100mm 14P I4W I4R 14M and I4E 9 2 Mounting Mounting is at the rear of the unit for 35x15 mm DIN rail according to EN 50022 1978 1400 EN M F Service Manual Page 22 46 iSTAT I400 9 3 Internal Jumpers On programmable models of transducers the analogue output values can be programmed using the ODSP software via the ElA232 or ElA485 communication port However before this is done the hardware output range of each analogue output must be selected on some versions i4C 4V 4F i4Dx and on early models of other variants a physical jumper position on the output module within the transducer case needs to be changed On later models except i4C i4V i4F i4Dx the configuration is done completely using the configuration software and no physical changes will be reguired It is possible to choose between three hardware output ranges 0 45 mA 0 20 mA 0 410 V By selecting one of these three hardware output ranges it is possible to program any linear or multiple slope with maximum 5 break points output characteristic using the QDSP setting software Caution Electrical adjustments Equipment that requires direct physical adjustments to their operating mechanism to change current or voltage settings should have the electric2. Service Manual iSTAT 1400 CONTENT 1 SAFETY SECTION 1 1 Health and Safety 1 2 Explanation of symbols and labels 2 INSTALLING COMMISSIONING AND SERVICING 3 EGUIPMENT OPERATING CONDITIONS 3 1 Current transformer circuits 3 2 External resistors 3 3 Battery Replacement 3 4 Insulation and dielectric strength testing 3 5 Insertion of modules and pcb cards 3 6 Fibre optic communication 4 OLDER PRODUCTS 5 DECOMMISSIONING AND DISPOSAL 6 TECHNICAL SPECIFICATIONS 6 1 Protective fuse rating 7 INTRODUCTION 8 TECHNICAL DATA 8 1 Input Ratings A C transducers 8 1 1 Voltage transducers 8 1 2 Current transducers 8 1 3 Frequency transducers 8 1 4 Watts VArs Phase Angle 8 1 5 Multi function transducers 8 2 Input Ratings D C transducers i4D 8 2 1 General 8 2 2 Tap Position Indicator 8 2 3 D C Voltage 8 2 4 D C Current 8 2 5 Resistance 8 2 6 Temperature RTD 8 3 Auxiliary Supply Input 8 3 1 Universal AC DC auxiliary supply 8 3 2 AC auxiliary supply 8 4 Analogue Output Ratings A C transducers I400 EN M F Page 9 46 Q O o 0 GO O a o oa GO MR o OO N O 14 14 14 14 14 15 15 15 15 15 15 16 16 16 17 17 17 17 1400 EN M F Page 10 46 8 4 1 Output Ranges 8 4 2 Accuracy 8 5 Analogue Output Ratings D C transducers 8 5 1 Output Ranges 8 5 2 Accuracy 8 6 Pulsed energy switches 14E 8 6 1 Output range 8 6 2 Accuracy 8
3. of full scale T P I DC Voltage DC Current Resistance Temperature RTD Pulsed energy switches I4E Output range Type Pulsed Pulse width Signal level Accuracy Energy Communication ports ElA232 Port Connection type Signal levels Cable type Maximum cable length Connector Isolation Transmission mode Protocol Data rate 20 5 20 5 20 5 20 5 20 5 electronic switch 2 to 510 ms 40V ac or de maximum 27mA maximum resistive load Active energy Class 1 Reactive energy Class 2 EN61036 and EN61268 Point to point ElA232 Screened multi core 15m Screw terminals 3 7kV rms for 1 minute between all terminals and all other circuits Asynchronous MODBUS RTU 1200 to 115200 bits s Service Manual iSTAT 1 8 7 2 8 8 8 9 8 9 1 400 ElA485 Port Connection type Signal levels Cable type Maximum cable length Connector Isolation Transmission mode Protocol Data rate Electrical Environment Insulation EN 61010 1 1990 EMC compliance 2004 108 EC I400 EN M F Page 19 46 Multi drop 32 connections per link ElA485 Screened twisted pair 1000m Screw terminals 3 7kV rms for 1 minute between all terminals and other circuits Asynchronous MODBUS RTU 1200 to 115200 bits s Insulation Class II 500V RMS Tested at 3 7kV peak The following generic standards were used to establish conformity EN 61326 1 1997 EMC Requirements Low
4. Common Neutral 10 2 Communications Connections To be able to establish communication with an 1400 unit it has to be physically connected to the serial port of the computer or Remote Terminal Unit etc 1400 transducer connections are identified on the transducer label beside the screw terminals In order to communicate with the device auxiliary power must be applied to the device and the communications connection must be correctly wired 10 2 1 EIA232 port If the 1400 transducer is fitted with an ElA232 communications port the terminal allocations are as follows Description 1400 Terminal number Terminal pee el marking PC Terminal Receive 21 23 I4M4 only Rx 3 Signal Ground 22 24 14M4 only L 5 Transmit 23 25 14M4 only Tx 2 The ElA232 communications port is configured as a DTE Data Terminal Equipment device which means that a crossover cable will be required to connect to a standard ElA232 serial port on a PC also a DTE The maximum connection length is 15 metres 1400 EN M F Service Manual Page 24 46 iSTAT 1400 10 2 2 ElA485 port If the 1400 transducer is fitted with an ElA485 communications port the terminal allocations are as follows Terminal Number Terminal Marking Description 21 23 14M4 only A TxRxA DATA 22 24 14M4 only Cc No connection 23 25 14M4 only B TxRxB DATA Two wire ElA485 only is used An ElA485 port will be required on t
5. NA fone al a ee AS ES DUO O IS II e 2 NENA ANN Output TLI jo o pe TT TT aae a o cee o ee u jam Haso O fermano Juma A me 30029 Hardware No Communication Data Na a se As as Bit O External Auxiliary Supply er a JJ je o ria ee o CE rave O V e ee STE a e ne peoe VSA neo CIT a CA rne res FS Es FE zijo E e e ES aie e UA e es li er A LI Exponent eU mr T Exponent I400 EN M F Service Manual Page 38 46 iSTAT 1400 30039 Energy Counter 3 T2 Data Exponent Energy Counter 4 Data pap o a rm JI MEASUREMENTS Peti FO Parameter 1 Do po ram To Go ER ee E Cp o se pi Tio TLI o ee TT TO ke KE time I Ea af ppp J eee ee poo pers pp Pete umtmeenpme a a Z AO A AA ERE AA 04 30042 Measurements Parameter 2 IO E O IO O e ns CS OS IS AAA ra T nr ETT eC A e S NM Emma Service Manual I400 EN M F iSTAT 1400 Page 39 46 04 30043 Measurements Data Parameter 3 Power Factor Total PFt UE oo fee Power Factor Phase 1 PF1 Bit 4 Power Factor Phase 2 PF2 Bit 5 Power Factor Phase 3 PF3 PT it Power Angle Total atan2 Pt Qt ME CI Bit 7 q1 angle between U1 and 11 Bit 8 2 angle between U2 and 1
6. Reserved Months 1 12 Day of Week 1 7 Day of Month 1 31 Summer Time 0 1 Summer time 1 Standard time 0 Reserved Hours 0 23 Invalid 0 1 Invalid 1 Valid 0 Reserved Minutes 0 59 Milliseconds 0 59999 Example 15 42 1 SEP stored as 4215 010946 T_Data Record Data Size and Subtypes depends on the Actual Memory Part T4c Short Unsigned float 16 bit 3 decimal places bits 15 bits 13 Decade Exponent Unsigned 2 bit Binary Unsigned Value 14 bit Example 10 000 10 stored as A710 16 Alstom Grid O ALSTOM 2013 ALSTOM the ALSTOM logo and any alternative version thereof are trademarks and service marks of ALSTOM The other names mentioned registered or not are the property of their respective companies The technical and other data contained in this document is provided for information only Neither ALSTOM its officers or employees accept responsibility for or should be taken as making any representation or warranty whether express or implied as to the accuracy or completeness of such data or the achievement of any projected performance criteria where these are indicated ALSTOM reserves the right to revise or change this data at any time without further notice Alstom Grid Worldwide Contact Centre www grid alstom com contactcentre Tel 44 0 1785 250 070 www alstom com o ALSTOM
7. 15 00 Year unsigned integer 1998 4095 Example 10 SEP 2000 stored as 1009 07D0 16 T Str4 Text String 4 characters fr erario T_Str6 Text String 6 characters a erario T_Str8 Text String 8 characters Komi NE za T Str16 Text String 16 characters PA NE T Str20 Text String 20 characters ai RO lt a Unsigned Value 16 bit 2 decimal places vo UN Example 123 45 stored as 123 45 3039 16 Signed Value 16 bit 2 decimal places Example 123 45 stored as 123 45 CFC7 16 T18 Unsigned Value 16 bit 1 decimal palce Example 1234 5 stored as 1234 5 303946 T19 Signed Value 16 bit 1 decimal palce Example 1234 5 stored as 1234 5 CFC7 46 T_Time Time and Date 64 bit bits 63 56 1 100s 00 99 BCD bits 55 48 Seconds 00 59 BCD bits 47 40 Minutes 00 59 BCD bits 39 32 Hours 00 24 BCD bits 31 24 Day of month 01 31 BCD bits 23 16 Month of year 01 12 BCD bits 15 00 Year unsigned integer 1998 4095 Example 15 42 03 75 10 SEP 2000 stored as 7503 4215 1009 07D0 16 1400 EN M F Page 46 46 Service Manual iSTAT 1400 T_TimelEC bits 63 bits 54 bits 47 bits 43 bits 39 bits 36 bit 31 bits 30 bits 28 bit 23 bit 22 bits 21 bits 15 55 48 44 40 37 32 29 24 16 00 Time and Date 64 bit IEC870 5 4 Binary Time 2a Reserved Years 0 99
8. 2 X In continuously 20 x In for 1s 50Hz or 60Hz 45Hz to 65Hz 1mA x Un 1 2 x Un continuously 2 x Un for 1s Service Manual iSTAT 1400 8 1 4 Watts VArs Phase Angle Nominal voltage U Nominal current In Measuring range Burden voltage circuit Overload voltage circuit Burden current circuit Overload current circuit 8 1 5 Multi function transducers Nominal voltage U Nominal current In Measuring range Burden voltage circuit Overload voltage circuit Burden current circuit Overload current circuit 8 2 Input Ratings D C transducers i4D 8 2 1 General I400 EN M F Page 15 46 50 500V 0 5A 5A 0 to 120 In 0 to 120 Un 1mA x Un 1 2 x Un continuously 2 x Un for 1s 0 5 VA 2 x In continuously 20 x In for 1s 50 500V 0 5A 5A 0 to 120 In 0 to 120 Un 0 2mA x Un 1 5 x Un continuously 2 x Un for 1s 0 012 x ln 2 x In continuously 20 x In for 1s Some of the DC Transducers are defined with different measurement ranges available Itis important that the correct range is selected when ordering as the top of the reguired measurement range cannot be set below the bottom of the unit s range i e if DC Voltage 1V to 50V unit is purchased the top of the configured range can not be set below 1V 8 2 2 Tap Position Indicator Nominal resistance R Number of steps Minimum step value Measuring voltage Lead resistance Burden 8 2 3 D C Voltage
9. By default single output transducers always use Output 1 terminals 15 and 16 14M Multifunction transducers may be fitted with none one two three or four outputs depending on order option I4E Multifunction energy transducers are always fitted with a pulse electronic switch on Output 1 terminals 15 and 16 If fitted the other two outputs can be ordered as either additional electronic switches or analogue outputs All D C input transducers are single output transducers Service Manual iSTAT 11 I400 RELATED DOCUMENTS I400 EN M F Page 27 46 Ref Title 1 ODSP Technical Manual 2 Application Guide for Electrical Measuring Transducers I400 EN M F Service Manual Page 28 46 iSTAT 1400 12 MODBUS IMPLEMENTATION 12 1 TRANSACTIONS 12 1 1 12 1 2 12 1 3 12 1 3 1 Communication operates on a master slave basis where only one device the master can initiate transactions called Requests The other devices slaves respond by supplying the requested data to the master This is called the Request Response Cycle Master to slave request Device address Function Code nx8 bit data bytes Error check Slave to master response Device address Function Code nx8 bit data bytes Error check Request This Master to Slave transaction takes the form Device address Master addressing a slave Address 0 is used for the broadc
10. Nominal voltage U Measuring ranges Burden Overload 100 Q to 500k Q 1to 100 300 lt 2 2V lt 500 per lead lt 0 5 VA 50mV to 300V programmable 50mV to 1V Input impedance gt 2 5MO 1V to 50 V Input impedance 250kQ 50V to 300V Input impedance 2 5MQ lt 0 5 VA 1 2 x Un permanently 2 x Un for 1s 1400 EN M F Page 16 46 8 2 4 D C Current 8 2 5 8 2 6 Nominal current ln Measuring ranges Burden Overload Resistance Nominal resistance R Measuring voltage Lead resistance Burden Temperature RTD RTD sensor type Measuring method Measuring ranges RTD sensor limit values Measuring voltage Lead resistance Burden Service Manual iSTAT 1400 O 100mA programmable 1mA to 10mA Input impedance 1000 10mA to 100mA Input impedance 100 lt 0 5 VA 2 x In continuously 20 x In for 1s 100 to 50kQ programmable 1000 to 500kQ programmable lt 2 2V lt 100 per lead lt 0 5 VA Pt100 Pt1000 Ni100 2 wire 3 wire or 4 wire 200 C to 850 C Pt 60 C to 250 C Ni programmable 200 to 10kQ lt 2 2V lt 100 per lead lt 0 5 VA Service Manual I400 EN M F iSTAT 8 3 8 3 1 8 3 2 8 4 8 4 1 8 4 2 I400 Page 17 46 Auxiliary Supply Input Universal AC DC auxiliary supply o j Nominal voltage Operative range IDC 24Vto220V 19 V to 300 V jac 50 V to 230 V 40 70 Hz 40 V to 276 V 40 70 Hz pues ACS AC auxiliary supp
11. 7 Communication ports 8 7 1 ElA232 Port 8 7 2 ElA485 Port 8 8 Electrical Environment 8 9 Environmental Conditions 8 9 1 Atmospheric environment 8 9 2 Construction 9 INSTALLATION 9 1 Dimensions 9 2 Mounting 9 3 Internal Jumpers 10 CONNECTIONS 10 1 Auxiliary Supply Connection 10 1 1 A C auxiliary supply 10 1 2 Universal auxiliary supply 10 2 Communications Connections 10 2 1 EIA232 port 10 2 2 EIA485 port 10 3 Input Connections 10 3 1 A C input transducers 10 3 2 D C input transducers 10 4 Output Connections 11 RELATED DOCUMENTS 12 MODBUS IMPLEMENTATION 12 1 TRANSACTIONS 12 1 1 Request 12 1 2 Response 12 1 3 Example of Request Response cycle 12 2 FRAMING 12 2 1 RTU framing 12 3 SUPPORTED FUNCTIONS AND USAGE Service Manual iSTAT I400 17 17 18 18 18 18 18 18 18 18 19 19 19 19 20 21 21 21 22 23 23 23 23 23 23 24 24 24 25 26 27 28 28 28 28 28 29 29 29 Service Manual I400 EN M F iSTAT 1400 Page 11 46 12 3 1 03 read from holding registers 30 12 3 2 04 read from input registers 30 12 3 3 06 write to a single holding register 31 12 3 4 16 10 HEX write to one or more registers 31 1235 17 11HEX report slave id 32 12 3 6 77 4D HEX read measurement string 33 12 3 7 82 52 HEX re read output buffer 35 12 4 ERROR RESPONSES 35 124 1 Exception codes 36 13 MODBUS ADDRESS MAP FOR AC MEASUREMENT TRANSDUCERS 37 14 MODBUS ADDRESS M
12. Message Starting Register Register Count Address Function Code HI LO HI LO CRC 01 01 02 01 00 08 6D B4 1400 1 EN M F Page 36 46 12 4 1 Exception Response Message Service Manual iSTAT Address Function Code Exception Code CRC 01 81 02 C1 91 Exception codes Code Name 01 ILLEGAL FUNCTION Meaning The function code transmitted is not one of the functions supported by the slave 02 ILLEGAL DATA ADDRESSES The data address received in the request is not an allowable value for the slave Write to password protected registers 03 ILLEGAL DATA VALUE The value referenced in the data field transmitted by the master is not within range for the selected data address The register count is greater than 28 functions 03 and 04 06 SLAVE DEVICE BUSY The slave is engaged in processing a long duration program command The master should re transmit the message later when the slave is free I400 Service Manual I400 EN M F iSTAT 1400 Page 37 46 13 MODBUS ADDRESS MAP FOR AC MEASUREMENT TRANSDUCERS ii e an A PE E COM EE svetim fre rea EEC femea ro Do efe 30014 Modbus Max Register T1 Use 28 if reg 30013 gt 103 Data Read at Once 04 30015 30018 Configuration Time T Time Data Stamp Stamp apra 30025 Hardware I O 4 Analogue Output
13. string in the response message is packed as data bytes The quantity of data bytes depends on the value code Here is an example of a response to the query Slave Function Byte String Data CRC Address Code Count 1 2 3 4 5 6 7 LO Hl 21 4D 07 34 38 2E 30 34 33 6B This reply is the ASCII string 48 043k 82 52 HEX re read output buffer This function should be used after the broadcast reguest The addressed slave transmits the response frame of the previous reguest Reguest Frame Here is an example of a reguest to re read the output buffer of slave device 33 CRC Slave Address Function Code LO HI 21 52 Response Frame The response to the guery depends on the previous function code ERROR RESPONSES When a slave detects an error other than a CRC error a response will be sent to the master The most significant bit of the function code byte will be set to 1 i e the function code sent from the slave will be egual to the function code sent from the master plus 128 The following byte will be an exception code indicating the type of error that occurred The slave will ignore transmissions received from the master with CRC errors An example of an illegal reguest and the corresponding exception response is shown below The request in this example is to read registers 0201H to 0209H If these addresses are not supported in the slave then the following occurs Reguest
14. to read from holding registers 4XXXX memory references 4 04 to read from input registers 3XXXX memory references 6 06 to write to a single holding register 4XXXX memory references 16 10 to write to one or more holding registers 4XXXX memory references 17 11 report slave ID 6 characters 77 4D read measurement string 1 byte value code request 82 52 re read output buffer Use after broadcast request I400 EN M F Service Manual Page 30 46 iSTAT 1400 123 1 03 read from holding registers Reads the content of Holding Registers 4XXXX references in the slave Broadcast is also supported 12 3 1 1 Request Frame The query message specifies the starting register and quantity of registers 1 to 28 to be read Registers are addressed starting at zero Here is an example of a request to read register 40043 Connection Mode from slave device 33 21 16 Starting Register Register Count CRC Slave Address Function Code HI LO HI LO LO HI 21 03 00 2B 00 01 12 3 1 2 Response Frame The register data in the response message is packed as two bytes per register with the binary contents right justified within each byte For each register the first byte contains the high order bits and the second contains the low order bits Data is scanned in the slave at the rate of 28 registers maximum per scan The response is returned when the data is completel
15. whenever possible Alstom Grid strongly recommends that detailed investigations on the electronic circuitry or modification work should be carried out in a Special Handling Area such as described in BS5783 or IEC 60147 0F Service Manual I400 EN M F iSTAT I 1 1 1 2 400 Page 3 46 SAFETY SECTION This Safety Section should be read before commencing any work on the equipment Health and Safety The information in the Safety Section of the product documentation is intended to ensure that products are properly installed and handled in order to maintain them in a safe condition It is assumed that everyone who will be associated with the equipment will be familiar with the contents of the Safety Section Explanation of symbols and labels The meaning of symbols and labels may be used on the equipment or in the product documentation is given below A A Caution refer to product documentation Caution risk of electric shock Protective safety earth terminal Functional earth terminal Note This symbol may also be used for a protective safety earth terminal if that terminal is part of a terminal block or sub assembly e g power supply NOTE The term earth used throughout the product documentation is the direct equivalent of the North American term ground Service Manual 1400 EN M F iSTAT 2 A 1400 Page 4 46 INSTALLING COMMISSIONING AND SERVICING Equipment connections Per
16. 01 Reactive Power var L if gt 0 var C if lt 0 Data Phase L1 Q1 30102 30103 Reactive Power var L if gt 0 var C if lt 0 Data Phase L2 Q2 30104 30105 Reactive Power var L if gt 0 var C if lt 0 Data Phase L3 Q3 a 30106 30107 Apparent Power Total VA Data St Service Manual iSTAT 1400 es A 04 30108 30109 Apparent Power Phase L1 S1 04 30112 30113 Apparent Power T Phase L3 S3 04 30110 30111 Apparent Power Phase L2 S2 30114 115 Power Factor Total T7 PFt Power Factor Phase 1 PF1 Power Factor Phase 2 PF2 Power Factor Phase 3 PF3 Power Angle Total atan2 Pt Qt 2 angle between U2 T and 12 30125 3 angle between U3 T17 and 13 16 Internal Temperature ENERGY 30134 30135 Energy Counter 1 eti al 30136 Energy Counter 2 E o 17530176 n EE 30138 30139 Energy Counter 3 30140 30141 Energy Counter 4 DEMAND VALUES DYNAMIC DEMAND VALUES wsos 3 Apparent Power Total T5 St Active Power Total mali positive 30 3 3 e Power Total negative 1 angle between U1 T Me 11 I400 EN M F Page 41 46 Values Dependencies Mi lt gt E im A NILI EU NI oo N i uli id s told al siad dl s ni adn al om _ pe ee rem 9999999 zali 9999999 pe 9999999 E 1 cesso 1 I400 EN M F Service Manual Page 42 46 iSTAT 1400 Code
17. 1400 14C 14D 14E 14F 14M i4P i4R 14V 14W Manual STAT 1400 Standard Transducer Publication Reference 1400 EN M F 1400 EN M F O 2013 ALSTOM the ALSTOM logo and any alternative version thereof are trademarks and service marks of ALSTOM The other names mentioned registered or not are the property of their respective companies The technical and other data contained in this document is provided for information only Neither ALSTOM its officers or employees accept responsibility for or should be taken as making any representation or warranty whether express or implied as to the G RI D accuracy or completeness of such data or the achievement of any projected performance criteria where these are indicated ALSTOM reserves the right to revise or change this data at any time without further notice Service Manual I400 EN M F iSTAT I400 Page 1 46 HANDLING OF ELECTRONIC EGUIPMENT A person s normal movements can easily generate electrostatic potentials of several thousand volts Discharge of these voltages into semiconductor devices when handling circuits can cause serious damage which often may not be immediately apparent but the reliability of the circuit will have been reduced The electronic circuits of Alstom Grid products are immune to the relevant levels of electrostatic discharge when housed in their cases Do not expose them to the risk of damage by withdrawing modules unnecessarily Each mo
18. 2 13 IO DO O IO O opeen Tp pro PO OO AO OOO AO eps IAS A MO FU PO O A eps ION AO IO FE EME AE AP TP AE A oe COS AS OS O IS os Joo O ro Pee FP Parameter 4 AA fui E O O E A CA Co 13 THD Energy Counter 1 Energy Counter 2 Energy Counter 3 Energy Counter 4 Fo jr arameter 5 JESTE dd je A o A TEO Po po o LI IA Z O IO O CT A O IE dih es o o ENANA SE ei di OOO CO o o o iN MI ts ho Ji lia o b mrjwe I400 EN M F Service Manual Page 40 46 iSTAT 1400 MD Previous Period Doo oro fino since ast Reset ee MEA DO O O CO O IS A SS 30049 30050 Frequency T5 s sev joj fe po fm O e i o EEES ea De ii Ts NES 30064 Uavg phase to T5 vo neutral 30065 12 angle between Data 180 00 179 99 U1 and U2 30066 23 angle between T1 Data 180 00 179 99 0 01 U2 and U3 30067 31 angle between Data 180 00 179 99 0 01 U3 and U1 15 E je B 15 os for 30075 Uavg phase to so vom phase 15 seje me a k oo o froofm o e po fue CCOO froo ae 5 fa fue _ _ CA aa z eo 04 30088 0089 21 A Data aes af 30090 30091 Active Power Total Ho Pt 30092 30093 Active Power Phase L1 P1 30094 30095 Active Power Phase L2 P2 30096 30097 Active Power Phase L3 P3 de 30099 Reactive Power Total zad var L if gt 0 var C if lt 0 RE Qt 30100 301
19. 4 04 FD 00 EO 1F The contents of registers 30036 30037 are FD 00 and EO 1F hex 06 write to a single holding register Pre sets a value into a single holding register 4XXXXX reference When broadcast the function pre sets the same register reference in all attached slaves Reguest Frame The guery message specifies the register reference to be pre set Registers are addressed starting at zero register 1 is addressed as 0 Here is an example of a reguest to pre set register 40010 Active Access Level to 00 02 hex Level 2 access in slave device 33 Register Address Register Data CRC Slave Address Function Code HI LO HI LO LO HI 21 06 00 OA 00 02 Response Frame The normal response is an echo of the query returned after the register contents have been pre set Here is an example of a response to the query Register Address Register Data CRC Slave Address Function Code HI LO HI LO LO HI 21 06 00 OA 00 02 16 10 HEX write to one or more registers Pre sets values into a sequence of holding registers 4XXXX references When broadcast the function pre sets the same register references in all attached slaves 1400 1 EN M F Page 32 46 12 3 4 1 12 3 4 2 12 3 5 12 3 5 1 12 3 5 2 Reguest Frame Service Manual iSTAT I400 The guery message specifies the register references to be pre set Registers a
20. 5 stored as 12345 3039 46 Signed Value 16 bit Example 12345 stored as 12345 CFC7 16 Signed Long Value 32 bit Example 123456789 stored as 123456789 075B CD 15 16 Short Unsigned float 16 bit bits 15 Decade Exponent Unsigned 2 bit bits 13 Binary Unsigned Value 14 bit Example 10000 10 stored as A710 16 Unsigned Measurement 32 bit bits 31 Decade Exponent Signed 8 bit bits 23 Binary Unsigned Value 24 bit Example 123456 10 stored as FDO1 E240 16 Signed Measurement 32 bit bits 31 Decade Exponent Signed 8 bit bits 23 Binary Signed value 24 bit Example 123456 10 stored as FDFE 1DCO 16 Power Factor 32 bit bits 31 Sign Import Export 00 FF bits 23 Sign Inductive Capacitive 00 FF bits 15 Unsigned Value 16 bit 4 decimal places Example 0 9876 CAP stored as OOFF 2694 16 Time stamp 32 bit bits 31 Minutes 00 59 BCD bits 23 Hours 00 23 BCD bits 15 Day of month 01 31 BCD bits 07 Month of year 01 12 BCD Example 15 42 1 SEP stored as 4215 010946 Time 32 bit bits 31 1 100s 00 99 BCD bits 23 Seconds 00 59 BCD bits 15 Minutes 00 59 BCD bits 07 Hours 00 24 BCD Example 15 42 03 75 stored as 7503 421516 Service Manual I400 EN M F iSTAT 1400 Page 45 46 Date 32 bit bits 31 24 Day of month 01 31 BCD bits 23 16 Month of year 01 12 BCD bits
21. AP FOR DC MEASUREMENT TRANSDUCERS 43 15 MODBUS DATA TYPES 44 I400 EN M F Service Manual Page 12 46 iSTAT 1400 BLANK PAGE Service Manual I400 EN M F iSTAT 1 400 Page 13 46 INTRODUCTION STAT 1400 digital transducers provide local and remote indication for precision electrical measurement and control when used with instruments recorders data loggers and SCADA Supervisory Control and Data Acquisition systems The 1400 range contains the following type of devices 1 A C input transducers 14CA Mean Sensing Current single phase I4VA Mean Sensing Voltage single phase 14CD I4CF RMS Current single three phase 14VD I4VF RMS Voltage single three phase 14F Frequency 14P Phase Angle l4w Watts I4R VArs 14M Multi function does not include i4MT i4MC or 4MV 14E Multi function Energy 2 D C input transducers I4DA Tap Position Indicator T P I 14DB D C Voltage 14DC D C Current 14DF Resistance 14DG Temperature RTD input 3 Ancillary Equipment 14X Communications Interfaces separate manual Provision of both analogue outputs pulsed electronic switches I4E only and MODBUS communication allows integration within existing sites and also in new facilities where digital communications can be used The software package QDSP is used to program the 1400 transducers The ease of programmability of digital transducers is an important fea
22. Address Conients Values Dependencies Type E 04 30187 30188 Reactive Power Total T6 Data Qt L ARO Eu E EN A AS E E TE Eee E FER DE a ee CO St 04 30231 30232 bik Power Total positive Be Power Total E E 04 30249 30250 Power Total ES Ea Qt Ha THD HARMONIC E umes E EM EM ESA of m urne ri smes s J 0644 0645 30646 ESSE oe fre pomos ro 3 3 3 306 Service Manual I400 EN M F iSTAT 1400 Page 43 46 MODBUS ADDRESS MAP FOR DC MEASUREMENT TRANSDUCERS MOM EIC A ss COM ESTE ue see perete CO CE ARN EER EC E AO CO aa 30014 Modbus Max Register T1 Use 28 if reg 30013 gt 103 Data Read at Once 04 30015 30018 Configuration Time T Time Data Stamp 04 30019 30022 Calibration Time T_Time Data Stamp COM EE Creer O IO aa ama Vs a a ss EE ECC je CC je Yd ER RI E __ PE Communication Ba mm po E a A RR E R OIR AJ rr AO COMA so reram 1 mo CO o a a ee Se o o o sre EEC re owe fue o os asm po oceva re o fue oe fass ase oeren re CO oe sr fon rene re om CO sr fase frome ro jese e O ET jao EA ER ES CO A A a GSE I400 EN M F Service Manual Page 44 46 iSTAT 1400 15 MODBUS DATA TYPES Unsigned Value 16 bit Example 1234
23. Voltage Directive 2006 95 EC Electrical equipment for measurement control and laboratory use The following generic standards were used to establish conformity EN 61010 1 2002 Environmental Conditions Atmospheric environment Temperature and humidity EN 60688 1992 JVF DIN 40 040 Nominal range of operation Storage and transit Temperature coefficient A C transducers Temperature coefficient D C transducers Annual mean relative humidity Electrical equipment for measurement control and laboratory use Class 2 10 C to 55 C 40 C to 70 C 0 02 C 0 05 C lt 75 1400 EN M F Page 20 46 8 9 2 Construction Material Flammability protection Enclosure protection IEC 60529 1989 Mounting EN 50022 1978 Dimensions 100mm Case 45mm Case Weight AC auxiliary supply units Universal aux supply units Service Manual iSTAT 1400 UL 94 V 0 IP 50 IP 20 for connection terminals DIN rail 35x15 mm 100x75x104 5 mm 45x75x104 5 mm lt 0 6kg lt 0 5kg Service Manual I400 EN M F iSTAT 1400 Page 21 46 9 INSTALLATION 9 1 Dimensions Maximum section of connection wires All dimensions in mm lt 4 0mm for one wire lt 1 5mm2 for two wires 000000000000 0009000006000
24. al power removed before making the change to avoid any risk of electrical shock Where the internal jumper needs to be set the location of the jumpers is as shown in the diagram below Single output transducers will have only Jumper 1 fitted FIGURE 2 1400 JUMPER POSITIONS For information the QDSP setting software displays for each analogue output on the Output graphical display in the Device Settings window the positions to which the jumpers must be set to match the currently selected output type If it is attempted in QDSP to select an output range which is not in the currently selected hardware range QDSP will display an error message to indicate that the jumper positions must be physically changed I400 EN M F Service Manual iSTAT 1400 Page 23 46 10 CONNECTIONS 10 1 Auxiliary Supply Connection An auxiliary power supply is necessary for all 1400 transducers except for the self powered mean sensing current and voltage transducers I4CA and I4VA 10 1 1 A C auxiliary supply If the 1400 transducer is fitted with an A C auxiliary supply the terminal allocations are as follows Terminal Number Terminal Marking Description 13 ei Live 14 Neutral 10 1 2 Universal auxiliary supply If the 1400 transducer is fitted with a universal AC DC auxiliary supply the terminal allocations are as follows Terminal Number Terminal Marking Description 13 Live 14
25. ast address which all slave devices recognise Function code E g 03 asks the slave to read its Holding registers and respond with their contents Data bytes Tells the slave which register to start at and how many registers to read Response This Slave to Master transaction takes the form Device address To let the master know which slave is responding Function code This is an echo of the request function code Data bytes Contains the data collected from the slave Example of Request Response cycle Input to 1400 transducer Van 57 4 V 50Hz Data held in Input Registers 30057 10 amp 3005810 Starting register 30057410 3000040 offset 5740 00 39 16 Request Frame Starting Register Register Count CRC Slave Address Function code HILO HILO LO HI 21 04 00 39 00 02 Service Manual I400 EN M F iSTAT 1400 Page 29 46 121132 Response Frame Register Data CRC Slave Address Function code Byte count HILOHILO LO HI 21 04 FDOO E01F Response register data FD 00 EO 1F is decoded as Exponent 8 m s b signed FD 4 3 10 Value 24 s b unsigned 00 EO 1F 46 57375 10 Complete number decimal 57375 x 10 57 375 V 12 2 FRAMING There are two types of message framing for Modbus serial communications ASCII or RTU The 1400 family of transducers supports RTU framing
26. ction where applicable Supply voltage Service Manual I400 EN M F iSTAT I 2 So md gt sa N gt co to gt w P gt a a gt so a gt 400 Page 5 46 EGUIPMENT OPERATING CONDITIONS The eguipment should be operated within the specified electrical and environmental limits Current transformer circuits Do not open the secondary circuit of a live CT since the high level voltage produced may be lethal to personnel and could damage insulation External resistors Where external resistors are fitted to relays these may present a risk of electric shock or burns if touched Battery Replacement Where internal batteries are fitted they should be replaced with the recommended type and be installed with the correct polarity to avoid possible damage to the eguipment Insulation and dielectric strength testing Insulation testing may leave capacitors charged up to a hazardous voltage At the end of each part of the test the voltage should be gradually reduced to zero to discharge capacitors before the test leads are disconnected Insertion of modules and pcb cards These must not be inserted into or withdrawn from equipment whist it is energised since this may result in damage Fibre optic communication Where fibre optic communication devices are fitted these should not be viewed directly Optical power meters should be used to determine the operation or signal level of
27. dule incorporates the highest practicable protection for its semiconductor devices However if it becomes necessary to withdraw a module the following precautions should be taken to preserve the high reliability and long life for which the eguipment has been designed and manufactured 1 Before removing a module ensure that you are a same electrostatic potential as the eguipment by touching the case 2 Handle the module by its front plate frame or edges of the printed circuit board Avoid touching the electronic components printed circuit track or connectors 3 Do not pass the module to any person without first ensuring that you are both at the same electrostatic potential Shaking hands achieves eguipotential 4 Place the module on an anti static surface or on a conducting surface that is at the same potential as you o Store or transport the module in a conductive bag More information on safe working procedures for all electronic equipment can be found in BS5783 and IEC 60147 0F If you are making measurements on the internal electronic circuitry of eguipment in service it is preferable that you are earthed to the case with a conductive wrist strap Wrist straps should have a resistance to ground between 500k 10M ohms If a wrist strap is not available you should maintain regular contact with the case to prevent the build up of static Instrumentation which may be used for making measurements should be earthed to the case
28. he Master system and on any PC being used with ODSP an external ElA485 2 wire interface is required connected to the PC s USB or ElA232 port The maximum connection length is 1000 metres Conductors A and B should be terminated with a 1200 terminating resistor 10 3 Input Connections 10 3 1 A C input transducers Power 3 wire unbalanced Power 4 wire balanced Service Manual 1400 EN M F iSTAT 1400 Page 25 46 NOTE The diagrams referred to as Power are applicable to Watt VAr Phase Angle and Multifunction transducers I DC Voltage DC Current 10 3 2 D C input transducers Y R Resistance Resistance Resistance Temperature RTD 2 wire Temperature RID 3 wire Temperature RTD 4 wire b o Gobe I400 EN M F Service Manual Page 26 46 iSTAT 1400 10 4 Output Connections The 1400 transducer output terminal allocations are as follows where fitted Terminal Number Terminal Marking Description 15 Output 1 16 Output 1 17 Output 2 18 Output 2 19 Output 3 20 Output 3 21 14M4 only Output 4 22 14M4 only Output 4
29. letely isolating the supplies to the relay both poles of any dc supply the capacitors should be safely discharged via the external terminals prior to decommissioning It is recommended that incineration and disposal to water courses is avoided The product should be disposed of in a safe manner Any products containing batteries should have them removed before disposal taking precautions to avoid short circuits Particular regulations within the country of operation may apply to the disposal of lithium batteries Service Manual 1400 EN M F iSTAT 6 6 1 I400 Page 8 46 TECHNICAL SPECIFICATIONS Protective fuse rating The recommended maximum rating of the external protective fuse for this eguipment is 16A Red Spot type or eguivalent unless otherwise stated in the technical data section of the product documentation Insulation class IEC 61010 1 2002 Class II EN 61010 1 2002 Class Il Insulation Category IEC 61010 1 2002 Over voltage Category II 600V III 300V EN 61010 1 2002 Category II 600V III 300V Environment IEC 61010 1 2002 Compliance is demonstrated by Pollution degree 2 600V 3 reference to generic safety 300V standards EN 61010 1 2002 Pollution degree 2 600V 3 300V Product Safety 2006 95 EC Compliance with the European Commission Low Voltage Directive EN 61010 1 2002 Compliance is demonstrated by reference to generic safety standards
30. ly Po Nominal voltage Ur Operative range AC 80 120 Ur Bwen eva Analogue Output Ratings A C transducers Output Ranges DC Current output Nominal values 0 1mA 1 0 1mA 0 5mA 5 0 5mA 0 10mA 10 0 10mA 0 20mA 4 20mA 20 0 20mA Compliance voltage 15V 10V for i4CA i4VA Response time 0 99 5 lt 300 ms DC Voltage output Nominal values 0 1V 1 0 1V 0 10V 10 0 10V Maximum current 20mA Response time 0 99 5 lt 300 ms Accuracy EN 60688 analogue outputs and via communications of full scale unless otherwise stated Voltage Mean Sensing RMS 10 5 Voltage Suppressed Zero RMS 0 5 Un Phase current 10 5 Neutral current 11 Power 10 5 Phase angle 0 2 Demand values 1 Frequency 0 1 0 01 via communications THD 1 Accuracy of frequency is of centre scale frequency 1400 1 EN M F Page 18 46 8 5 8 5 1 8 5 2 8 6 8 6 1 8 6 2 8 7 8 7 1 Service Manual iSTAT 1400 Analogue Output Ratings D C transducers Output Ranges DC Current output Nominal values Compliance voltage Response time 0 99 5 DC Voltage output Nominal values Maximum current Response time 0 99 5 Accuracy 0 1mA 1 0 1mA 0 5mA 5 0 5mA 0 10mA 10 0 10mA 0 20mA 4 20mA 20 0 20mA 15V 500 ms 0 1V 1 0 1V 0 10V 10 0 10V 20mA 500 ms Analogue outputs and via communications
31. only 12 2 1 RTU framing In RTU mode messages start and end with a silent interval of at least 3 5 character times t1 t2 t3 t4 as shown below The advantage of this mode of framing is that it enables a greater character density and a better data throughput However each message must be transmitted in a continuous stream If a silent interval of more than 1 5 character times occurs before completion of the frame the device flushes the incomplete message and assumes that the next byte will be the address field of a new message Start Address Function Data CRC Check End t1 t2 t3 t4 8 bits 8 bits nx 8 bits 16 bits t1 t2 t3 t4 The Cyclic Redundancy Check CRC field is two bytes containing a 16 bit binary value The CRC value is calculated by the transmitting device which appends the CRC to the message The receiving device recalculates a CRC during receipt of the message and compares the calculated value to the actual value it received in the CRC field If the two values are not equal an error results The CRC 16 calculation is an industry standard method used for error detection One frame is transmitted as 1 start bit 8 data bits and 2 stop bit If parity is selected then the frame is transmitted as 1 start bit 8 data bits and 1 stop bit Where n gt 1 data is transmitted most significant byte first The CRC check is transmitted least significant byte first 12 3 SUPPORTED FUNCTIONS AND USAGE Code Code Function References DEC HEX 3 03
32. re addressed starting at zero register 1 is addressed as 0 Here is an example of a reguest to pre set two registers starting at 40008 to 41 41 and 41 41 hex Enter Level 2 Password AAAA in slave device 33 Starting Register Byte Register Slave Function CRC Address Count Count Data Address Code HI LO HI LO HILOHILO LO HI 21 10 00 08 00 02 04 41 41 41 41 Response Frame The normal response returns the slave address function code starting address and quantity of registers pre set Here is an example of a response to the query shown above Slave Function Starting Address Register Count CRC Address Code HI LO HI LO LO HI 21 10 00 08 00 02 17 11HEX report slave id Returns a description of the type of controller present at the slave address Request Frame Here is an example of a request to report the ID of slave device 33 CRC Slave Address Function Code LO HI 21 11 Response Frame The format of a normal response is shown below Slave Function Byte Register Data CRC Address Code Count HILO HILO LO HI 21 11 10 49 34 4D 20 20 20 54 72 61 6E 73 64 75 63 65 72 The string in the response is 14M Transducer 16 characters Service Manual I400 EN M F iSTAT 1400 Page 33 46 12 3 6 77 4D HEX read measurement string Reads the measurement value as an ASCII string Broadcast is also supported The value code
33. s are listed in the following table Value Byte Example Code HEX Measurement Value Count String Data s A CITE Uavg phase to neutral 7 48 113k Jos iiz tare beveen Vi dg i reno os istierdeseweenusanaun 7 room CN CO CU E or ETT CU mese KE CI CONS E EA ME MEA 17 Active Power Total Pty e metrsko 18 Active Power Phase L1 P1 fe rezar 19 Active Power Phase t2 P3 J8 Juara 1A AcivePowerPhaseL3 P3 J8 Juara C o roma fet PonerFacorprase PR A z PoverFacorPhase era o pomo z PowerFaorPrasesiPra o roma 1400 EN M F Service Manual Page 34 46 iSTAT I400 Value Value Byte Example Power Angle Total atan2 Pt Qt 4045 27 ora semanas 11 79 70 A 12 80 07 A 13 79 91 A Active Power Total Pt positive Pt 8 051MW Active Power Total Pt negative Pt 0 000MW Reactive Power Total Qt C Qt 0 000Mvar C ocn nce sr Reser Active Power Total Pt positive Pt 08 29MW Active Power Total Pt negative Pt 00 00MW Service Manual I400 EN M F iSTAT I 12 3 6 1 400 Page 35 46 Request Frame The query message specifies the value code of the measurement to be read Here is an example of the query to read U1 Van value code 05 from slave device 33 Slave Function Value Code CRC Address Code LO HI 21 4D 05 12 3 6 2 Response Frame 12 3 7 12 3 7 1 12 3 7 2 12 4 The ASCII
34. sonnel undertaking installation commissioning or servicing work on this equipment should be aware of the correct working procedures to ensure safety The product documentation should be consulted before installing commissioning or servicing the equipment Terminals exposed during installation commissioning and maintenance may present a hazardous voltage unless the equipment is electrically isolated If there is unlocked access to the rear of the equipment care should be taken by all personnel to avoid electrical shock or energy hazards Voltage and current connections should be made using insulated crimp terminations to ensure that terminal block insulation requirements are maintained for safety To ensure that wires are correctly terminated the correct crimp terminal and tool for the wire size should be used Before energising the equipment it must be earthed using the protective earth terminal or the appropriate termination of the supply plug in the case of plug connected equipment Omitting or disconnecting the equipment earth may cause a safety hazard The recommended minimum earth wire size is 2 5mmY unless otherwise stated in the technical data section of the product documentation Before energising the equipment the following should be checked Voltage rating freguency and polarity VT ratio and phase sequence CT circuit rating and integrity of connections Protective fuse rating Integrity of earth conne
35. the device Service Manual I400 EN M F iSTAT gt amp o gt gt Do I400 Page 6 46 OLDER PRODUCTS Electrical adjustments Eguipment s that reguire direct physical adjustments to their operating mechanism to change current or voltage settings should have the electrical power removed before making the change to avoid any risk of electrical shock Mechanical adjustments The electrical power to the relay contacts should be removed before checking any mechanical settings to avoid any risk of electric shock Draw out case relays Removal of the cover on equipment incorporating electromechanical operating elements may expose hazardous live parts such as relay contacts Insertion and withdrawal of extender cards When using an extender card this should not be inserted or withdrawn from the equipment whilst it is energised This is to avoid possible shock or damage hazards Hazardous live voltages may be accessible on the extender card Insertion and withdrawal of heavy current test plugs When using a heavy current test plug CT shorting links must be in place before insertion or removal to avoid potentially lethal voltages Service Manual iSTAT 1400 I400 EN M F Page 7 46 5 DECOMMISSIONING AND DISPOSAL ZN Decommissioning Disposal The auxiliary supply circuit in the relay may include capacitors across the supply or to earth To avoid electric shock or energy hazards after comp
36. ture in the provision of cost effective system control Systems can be easily changed or expanded as required Scaling may be programmed on site thereby avoiding costly project delays NOTE When programming a transducer using the ODSP it may additionally be necessary to physically change jumper positions within the transducer case Refer to section 9 3 for further details Applications are found in electrical utilities energy management systems SCADA building management and control systems and process control environments 1400 1 EN M F Page 14 46 8 8 1 8 1 1 TECHNICAL DATA Input Ratings A C transducers Voltage transducers Mean sensing Nominal voltage U Measuring range Burden Overload RMS Nominal voltage Un Measuring range Burden Overload Current transducers Mean sensing Nominal current ln Measuring range Burden Overload RMS Nominal current ln Measuring range Burden Overload Frequency transducers Nominal frequency fn Measuring range Burden voltage circuit Overload voltage circuit Service Manual iSTAT 1400 57 7V 63 5V 69 3V 100V 110V 120V 127V 220V 240V 380V 400V 415V 440V 10 to 120 Un 2 VA 1 2 x Un continuously 2 x Un for 1s 50 500 V 0 to 120 Un 1mA x Un 1 5 x Un continuously 2 x Un for 1s 1A 1 2A 5A 6A 0 to 120 In 2VA 2 X In continuously 20 x In for 1s 0 5A 5A 0 to 120 In 0 5 VA
37. y assembled Here is an example of a response to the query Register Data CRC Slave Address Function Code Byte Count HI LO LO HI 21 03 02 00 05 The contents of register 40043 is 00 05 lt 4u 3 phase 4 wire unbalanced 12 3 2 04 read from input registers Reads the content of Input Registers 3XXXX references in the slave Broadcast is also supported Service Manual iSTAT 12 3 2 1 12 3 2 2 12 3 3 12 3 3 1 12 3 3 2 12 3 4 I400 I400 EN M F Page 31 46 Reguest Frame The guery message specifies the starting register and guantity 1 to 28 of registers to be read Registers are addressed starting at zero Here is an example of a reguest to read registers 30057 30058 U1 lt Van from slave device 33 Starting Register Register Count CRC Slave Address Function Code HI LO HI LO LO HI 21 04 00 39 00 02 Response Frame The register data in the response message is packed as two bytes per register with the binary contents right justified within each byte For each register the first byte contains the high order bits and the second contains the low order bits Data is scanned in the slave at the rate of 28 registers maximum per scan The response is returned when the data is completely assembled Here is an example of a response to the query Register Data Register Data CRC Slave Address Function Code Byte Count HI LO HI LO LO HI 21 0
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