SNV Engineering SNV018EC.XX Скачать руководство пользователя страница 36 | Manualshive

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S N V 0 1 8 E C . X X

U S E R & I N S T A L L A T I O N M A N U A L

V 3 . 1

© SNV Engineering Ltd

33

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List of drawings:

No

Reference No

Description

1

SNV018EC.0001

SNV018EC.XX – Board general dimensions

2

SNV018.0020

SNV018EC.XX – Common Bar

3

SNV018.0021

SNV018EC.XX – Mounting Current Bar

4

SNV018.0022

SNV018EC.XX – Mounting Common Bar

5

SNV018.0023

SNV018EC.XX – Bolt holding bar

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Содержание SNV018EC.XX

Страница 1: ... XX Current Measurement Card family User and Installation Manual SNV Engineering LTD 24B Papadiamantopoulou Street 1 st floor Ilissia Athens Greece 11528 Phone 30 2107779260 Fax 30 2107703223 Site www snveng gr ...

Страница 2: ...ified by Indices Date Modification V1 0 18 07 2011 Initial Draft Version V2 0 02 11 2011 New sections added V3 0 09 01 2012 New template format and minor adds V3 1 18 01 2012 Card power consumption This document and the information it contains are the sole property of SNV They shall not be disclosed nor reproduced without the prior written approval of SNV as originator ...

Страница 3: ...ard Description 5 Ordering Information 7 Card Installation 8 System overview 8 Inspection and handling 10 Preparation 10 Card mounting and support 10 Housing preparation 11 Current measurement channel protection 11 Connectors plug preparation 11 Installation 12 Safety 17 Safety instructions 17 Safety Symbols 18 Card Operation 19 Modbus Memory Map 19 MODBUS Functions 26 Technical Assistance 32 Anne...

Страница 4: ... or 24 channels of DC current measurement The SNV018EC offers the following 8 12 16 24 isolated channels of dc current measurement common low side 0 13 5A measurement ranges other ranges are available on demand Very Low Sensing resistance on measurement channels 10mΩ Measurement channels voltage up to 1000Vdc 1kHz sampling per channel 1 contact input Board temperature measurement On board long tim...

Страница 5: ...ram The microcontroller can deliver measurements through a serial RS485 transceiver using Modbus protocol It can also hold values in order to perform simultaneous measurements through all the cards in a bus and then retrieve all the measurements The microcontroller is also calculating the average of the currents and of their square with 1kHz sampling for each channel The averaging period is indica...

Страница 6: ...C Note 4 For software version 2 1 values lower than 35mA are pulled down to zero Physical Environmental Characteristics Details Operating Temperature 20 C to 60 C Storage Temperature 40 C to 100 C Board Dimensions 08 channels 165x100 mm 12 channels 201x100 mm 16 channels 237x100 mm 24 channels 309x100 mm See mechanical Specifications in ANNEX A EMC Emissions Meets EN 61326 1 EN 61000 6 3 EN 50081 ...

Страница 7: ...or averaged values is performed before value transmission using actual board temperature measured by the on board temperature sensor Long time averaging with large temperature variations could produce thermal drifts on the transmitted values respectively Communications and bus Characteristics Hardware layer RS485 Communication Protocol Modbus RTU Default baudrate 9600 bps Max number of nodes 128 M...

Страница 8: ...n in figure 3 to the current channels common terminal The other area right is the low voltage area The Modbus interface and card power supply are connected to this area The low voltage area is protected through a F1 1A fuse P N SF 1206F100 2 The low voltage and high voltage areas are separated by an isolation area Figure 3 CMC SNV018EC Topology Diagram The CMC SNV018EC uses the connectors CON1 CON...

Страница 9: ...6 Pin 1 Pin1 Dry contact input Pin 2 Pin2 CON3 CON4 Pin 4 BUS A TxD RxD Pin 3 BUS B TxD RxD Pin 2 VCC 24Vdc Pin 1 GND Ground CON1 CON2 Pin 4 BUS A TxD RxD Pin 3 BUS B TxD RxD Pin 2 VCC 24Vdc Pin 1 GND Ground Table 1 CMC Connectors Description The connector plugs used are equivalent to the ones listed in the following table Connector Ref Manufacturer Manufacturer P N For CON1 CON2 Weidmüller BL 5 0...

Страница 10: ...ing to drawings see ANNEX A SNV018 XX 0020 Mounting bar current terminals according to drawings see ANNEX A SNV018 XX 0021 Mounting bar common terminals according to drawings see ANNEX A SNV018 XX 0022 Bolt Holding Bar according to drawings see ANNEX A SNV018 XX 0023 Table 3 CMC ordering information Where XX should be filled according to the table below XX Channels Number 08 8 Channels 12 12 Chann...

Страница 11: ...not responsible from any caused damages or injury Figure 4 System Overview SNV018EC card has up to 24 DC current measurement channels with current output terminal common terminal holes in the center of the card CAUTION To the card will be connected to high voltage signals up to 1000Vdc The installation is considered to be done from qualified personnel The card should be installed in such a way tha...

Страница 12: ... suggested to connect all cards in series in a line preferable with the master controller in the middle If not convenient a star topology with the master controller in the center may work depending of the cable length the number of the lines and their relative lengths In any case all the terminal nodes must be terminated with the appropriate resistor see Annex B Bias resistors also must be install...

Страница 13: ...ductor and two spacers using the two holes at the plug connector side If mounting bars are not used it is suggested to use bolt holding bar see ordering information and drawings in order to be able to tide the nuts or change a ring terminal once the card installed If other material is applied than those supplied by SNV the following specifications should at least comply ensure following gap define...

Страница 14: ...ifications Voltage must not exceed 1000VDC A fuse must be installed for each current measurement channel separately with rated current up to 16A CAUTION Voltage must not exceed 1000VDC A fuse must be installed for each current measurement channel separately with rated current up to 16A For the preparation of the cables connected to the current channels the IPC 620 have to be followed by the instal...

Страница 15: ... the card on the fixing bars as shown in figure 7 Mount the card on the plug connectors side using M5x10 DIN912 or DIN933 bolts 3 Mount the common bar SNV018 24 0020 on the CMC SNV018EC using M5x10 DIN912 or DIN933 bolt and star washers DIN6798A as shown in figure 8 4 Mount the current measurement cables on the CMC SNV018EC using M5x10 DIN912 or DIN933 bolt and star washers DIN6798A as illustrated...

Страница 16: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 13 Figure 7 Placing the card on the mounting bars Figure 8 Mounting the common bar on the CMC SNV018EC ...

Страница 17: ... V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 14 Figure 9 Mounting of the current measurement cables Figure 10 Mounting the common current cable on the CMC SNV018EC ...

Страница 18: ... M A N U A L V 3 1 SNV Engineering Ltd 15 Figure 11 Plug the connectors on the card For the other boards of the family SNV018EC the steps are identical and the mechanical parts for the mounting of the board are in accordance with the drawings in ANNEX A ...

Страница 19: ...ring Ltd 16 The illustration of the bolt holding bar use follows Figure 12 Alternative mounting figure with bolt holding bars Figure 13 Detail view of bolt holding bar mounting Ensure spacer length 20mm for grounded mount plate Ensure spacer length 30mm for non grounded mount plate ...

Страница 20: ...ied personnel The card should be installed in such a way that there is no access to it by hand neither from the cables part nor from any other place CAUTION The card must be installed following the below restrictions 8mm gap from grounded plates 15mm gap from non grounded plates Note The gap is defined as the distance between relevant plate or other element and the card routes or components pins o...

Страница 21: ...cally live and the opening of covers or removal of parts is likely to expose live parts The card must be disconnected from all voltage sources before it is disassembled for any adjustment replacement maintenance or repair The following symbols appear in various places on the card to call your attention to hazards or to indicate that you should consult the manuals for further information Double ins...

Страница 22: ...th a broadcast write acquiring a snapshot of all the currents from all the cards in the bus Mark command initiates averaging and at the same time terminates previous averaging and transfers the result to the relevant registers It is suggested to broadcast periodically the mark command with the desired period as for example 10 mins and during each period read and store the averaged data The memory ...

Страница 23: ...eres 12 23 0x 017 24 0x 018 float Amperes 13 25 0x 019 26 0x 01A float Amperes 14 27 0x 01B 28 0x 01C float Amperes 15 29 0x 01D 30 0x 01E float Amperes 16 31 0x 01F 32 0x 020 float Amperes 17 33 0x 021 34 0x 022 float Amperes 18 35 0x 023 36 0x 024 float Amperes 19 37 0x 025 38 0x 026 float Amperes 20 39 0x 027 40 0x 028 float Amperes 21 41 0x 029 42 0x 02A float Amperes 22 43 0x 02B 44 0x 02C fl...

Страница 24: ...0x 044 float Amperes 3 69 0x 045 70 0x 046 float Amperes 4 71 0x 047 72 0x 048 float Amperes 5 73 0x 049 74 0x 04A float Amperes 6 75 0x 04B 76 0x 04C float Amperes 7 77 0x 04D 78 0x 04E float Amperes 8 79 0x 04F 80 0x 050 float Amperes 9 81 0x 051 82 0x 052 float Amperes 10 83 0x 053 84 0x 054 float Amperes 11 85 0x 055 86 0x 056 float Amperes 12 87 0x 057 88 0x 058 float Amperes 13 89 0x 059 90 ...

Страница 25: ... Amperes 24 111 0x 06F 112 0x 070 float not used returns zero 113 0x 071 114 0x 072 float 115 0x 073 116 0x 074 float 117 0x 075 118 0x 076 float 119 0x 077 120 0x 078 float 121 0x 079 122 0x 07A float 123 0x 07B 124 0x 07C float 125 0x 07D 126 0x 07E float 127 0x 07F 128 0x 080 float Amperes current squared averaged 1 129 0x 081 130 0x 082 float Amperes 2 131 0x 083 132 0x 084 float Amperes 3 133...

Страница 26: ...peres 14 155 0x 09B 156 0x 09C float Amperes 15 157 0x 09D 158 0x 09E float Amperes 16 159 0x 09F 160 0x 0A0 float Amperes 17 161 0x 0A1 162 0x 0A2 float Amperes 18 163 0x 0A3 164 0x 0A4 float Amperes 19 165 0x 0A5 166 0x 0A6 float Amperes 20 167 0x 0A7 168 0x 0A8 float Amperes 21 169 0x 0A9 170 0x 0AA float Amperes 22 171 0x 0AB 172 0x 0AC float Amperes 23 173 0x 0AD 174 0x 0AE float Amperes 24 1...

Страница 27: ...00 0x 0C8 float Amperes 5 201 0x 0C9 202 0x 0CA float Amperes 6 203 0x 0CB 204 0x 0CC float Amperes 7 205 0x 0CD 206 0x 0CE float Amperes 8 207 0x 0CF 208 0x 0D0 float Amperes 9 209 0x 0D1 210 0x 0D2 float Amperes 10 211 0x 0D3 212 0x 0D4 float Amperes 11 213 0x 0D5 214 0x 0D6 float Amperes 12 215 0x 0D7 216 0x 0D8 float Amperes 13 217 0x 0D9 218 0x 0DA float Amperes 14 219 0x 0DB 220 0x 0DC float...

Страница 28: ...at Amperes 23 237 0x 0ED 238 0x 0EE float Amperes 24 239 0x 0EF 240 0x 0F0 float not used returns zero 241 0x 0F1 242 0x 0F2 float 243 0x 0F3 244 0x 0F4 float 245 0x 0F5 246 0x 0F6 float 247 0x 0F7 248 0x 0F8 float 249 0x 0F9 250 0x 0FA float 251 0x 0FB 252 0x 0FC float 253 0x 0FD 254 0x 0FE float 255 0x 0FF 256 0x 100 float Celsius temperature 257 0x 101 coils use MODBUS function 1 Address Type U...

Страница 29: ...ess then set new target address Lo byte if command is change address then set new target address Modbus package structure Implemented Modbus functions are described in the following tables CAUTION Do not use functions 20 and 21 SNV012EC B MODBUS Function 1 Function SubFunction Data Length Values Description 1 0x01 Read Coils SA_H 1 Byte 0x00 0xFF Starting Address Hi SA_L 1 Byte 0x00 0xFF Starting ...

Страница 30: ...Function SubFunction Data Length Values Description 4 0x04 Read Input Registers SA_H 1 Byte 0x00 0xFF Starting Address Hi SA_L 1 Byte 0x00 0xFF Starting Address Lo QI_H 1 Byte 0x00 0x00 Quantity of Input Registers Hi QI_L 1 Byte 0x01 0x7D Quantity of Input Registers Lo Response 0x04 2 Byte N 2 Byte BCN 1 Byte 2xN Byte count RG_H 1 Byte 0x00 0xFF Register value Hi RG_L 1 Byte 0x00 0xFF Register val...

Страница 31: ... Length Values Description 16 0x10 Write Multiple registers SA_H 1 Byte 0x00 0xFF Starting Address Hi SA_L 1 Byte 0x00 0xFF Starting Address Lo QR_H 1 Byte 0x00 0x00 Quantity of Registers Hi QR_L 1 Byte 0x01 0x7B Quantity of Registers Lo BQ 1 Byte 0x00 0xFF Byte Count 2 x N 0x0000 data N x 2 Byte Echo data Send received data Response 0x10 SA_H 1 Byte 0x00 0xFF Starting Address Hi SA_L 1 Byte 0x00 ...

Страница 32: ... MODBUS Function 20 Function SubFunction Data Length Values Description 20 0x14 Read File Record BQ 1 Byte 0x07 0xF5 Byte Count RT 1 Byte 0x06 Sub Req x Reference Type FN 2 Byte 0x0001 0xFFFF Sub Req x File Number RN 2 Byte 0x0001 0x270F Sub Req x Record Number RL N 0x0000 0xFFFF Sub Req x Record Length Sub Req x 1 Response 0x14 RDL 1 Byte 0x07 0xF5 Resp data Length RFL 1 Byte 0x07 0xF5 Sub Req x ...

Страница 33: ...umber RL N Sub Req x Record Length RD N x 2 Byte Sub Req x Record data Sub Req x 1 Response 0x15 RDL 1 Byte 0x09 0xF5B Resp data Length RRT 1 Byte 0x06 Sub Req x Reference Type RFN 2 Byte 0x0001 to 0xFFFF Sub Req x File Number RRN 2 Byte 0x0001 0x270F Sub Req x Record Number RRL N Sub Req x Record length RRD N x 2 Byte Sub Req x Record Data Sub Req x 1 Error Report 0x95 2 Byte Error x01 Function u...

Страница 34: ...2B x0E RDID 1 Byte 0x01 to 0x04 Read Device ID code 1 Byte 0x01 to 0x03 0x81 to 0x83 Conformity level 1 Byte 0x00 or 0xFF More Follows 1 Byte 0x00 to 0xFF Next Object Id 1 Byte 0x00 to 0xFF Number of objects List Of 1 Byte 0x00 to 0xFF Object ID 1 Byte 0x00 to 0xFF Object length Length Object Value Error Report 0xAB 2 Byte Error x01 Function unsupported x02 Address error x03 Error in register quan...

Страница 35: ...td 32 If you need technical assistance or should it be necessary to return your product for repair or calibration use the contact details below SNV Engineering Ltd Papadiamantopoulou 24 B 11528 Athens Greece web site www snveng gr email info snveng gr tel 30 210 7779260 fax 30 210 7703223 ...

Страница 36: ...ring Ltd 33 List of drawings No Reference No Description 1 SNV018EC 0001 SNV018EC XX Board general dimensions 2 SNV018 0020 SNV018EC XX Common Bar 3 SNV018 0021 SNV018EC XX Mounting Current Bar 4 SNV018 0022 SNV018EC XX Mounting Common Bar 5 SNV018 0023 SNV018EC XX Bolt holding bar ...

Страница 37: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 34 ...

Страница 38: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 35 ...

Страница 39: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 36 ...

Страница 40: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 37 ...

Страница 41: ...S N V 0 1 8 E C X X U S E R I N S T A L L A T I O N M A N U A L V 3 1 SNV Engineering Ltd 38 ...

Страница 42: ...r to match the impedance of an end node as a card to the impedance of the transmission line When impedance is mismatched the signal transmitted is not completely absorbed and a portion is reflected back into the transmission line Figure 14 General Bus connection diagram When the RS 485 network is in an idle state all nodes are in receive mode and transmition line is not driven External noise could...

Страница 43: ...ne B maintaining a voltage difference between them greater than 200mV in order to have a defined state These resistors should be calculated depending the terminal resistors and placed on the transmission line as illustrated in figure 15 for line topology having two terminal resistors Resistors is suggested to be metal film 0 5W For example using cable RE 2Y St Yv 04X2X0 5 2 terminal resistors of 8...

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