Ethernet Module Data
Contents
1. Mx maxz Mx HD Figure 3 1 b Press P key or E key move cursor to Setting Press V A key go to the meter parameter setting mode Device address page is the first page of Setting mode It shows the Modbus address of the device for several seconds and then the screen goes to Access Code page Press V A key go to the parameter setting page Press P key or E key move cursor to NET press V A key go to Ethernet module setting page Moe aap Pe oe Ma i n pa Tl wit Loi ul 50 0 Load h nn nm T SLAA LOL Wx Bx Bx FE Figure 3 2 Jonpoyy gameyQ Ethernet Modual a OE e ol Ps T Tr ag lE Li ia nic W VUL 1 ch on VAL IA a x2 M2 x2 MBx2 ee Figure 3 3 Lv Re o a i j Li Ti MET VUL 1 a Ot w VOL II a mx Max MAx2 p Figure 3 4 c Set configuration mode in the first setting page AUTO means that users configure module settings with DHCP protocol while MANU means that users configure module settings with manual setting Press V A key go to setting state and the pointed area will flash Press P key or E key to select configuration mode press V A key to affirm Again press P key go to the second setting page for IP Address PORE ps Note If you select the AUTO mode please go to step k directly and reset module Wait until the2. Acuvim Il Ethernet Modules User s Manual ALUE VERGY Copyright 2007 V1 0 This manual may not be reproduced in whole or in part by any means without written permission of Accuenergy JOU POY IOWO The information contained in this document is believed to be accurate at the time of publication however Accuenergy assumes no responsibility for any errors which may appear here and reserves the right to make changes without notice Please ask the local representative for latest product specifications before ordering Ethernet Modaal Please read this manual carefully before dong installation operation and maintenance of Acuvim Il meter Following symbols are used in this user s manual and on Acuvim Il meter to alert the dangerous or to prompt in the operating or set process Dangerous symbol Failure to observe the information may result in 4 injury or death Alert symbol Alert the potential dangerous Observe the information after the symbol to avoid possible injury or death Focus symbol avoid inadvertent operations which may lead to abnormal working of instrument even damage to the instrument or physical harm c s This mark is on product for UL Listed product LISTED Installation and maintenance of the Acuvim II meter should only be performed by qualified competent personnel that have appropriate training and experience with high voltage and current device This document is not fit for
3. OEH OOH OFH OOH 14H Fun Table 3 10 Read Time Response Message 4 Control Relay Function Code 05 Query The message forces a single Relay either on or off Any Relay that exists within the Acuvim Il can be forced to be either status on or off The address of Relay starts at 0000H and Acuvim II has eight Relay The data value FFOOH will set the Relay on and the value 0000H will turn it off all other values are illegal and will not affect that relay The example below is a request to Acuvim Il address 1 to turn on Relay 1 Transaction Transaction Protocol Protocol Length hilLeneth lo Unit identifier hi identifier lo identifier hi identifier lo nu s identifier OOH OOH OOH OOH OOH 06H 01H Fun Data start reg hi Data start reg lo Value hi Value lo 05H 00H 00H FFH 00H Table 3 11 Control Relay Query Message Response The normal response to the command request is to retransmit the message as received after the Relay status has been altered Transaction Transaction Protocol Protocol Length hil Leneth to Unit identifier hi identifier lo identifier hi identifier lo eee 8 identifier 00H 00H 00H 00H 00H 06H 01H Fun Data start reg hi Data start reg lo Value hi Value lo 05H 00H 00H FFH 00H Table 3 12 Control Relay Response Message 5 Preset Reset Multi Registe
4. Your Power and Automation Partner ALCU V HGY
5. for timing mode is a timing manner according to Mail Sending Interval which sends mail content to Mail to mail box The mail content includes Real Time Metering Energy and Harmonics Max and Min Send mail for event mode is a manner of event triggered according to event type Alarm type SOE type which sends mail content to Mail to mail box and remind users The mail content includes Alarm Event SOE Event Set mail settings completely module will start work according to set mode Appendix Appendix A Technical Data and Specifications Appendix B Ordering Information Appendix C Revision History 47 Ethernet Modaal Appendix 1 Technical data and specification Protocol Standards MODBUS Messaging Implementation Guide V1 0a RFC793 RFC821 RFC2616 Environmental IEC 60068 2 30 Safety IEC 61010 1 Physical Layer Standard RJ45 socket Protocol Modbus TCP SMTP HTTP Baud Rate 10M 100M auto adapted Dimensions 90X55 6X22 mm Weight 65g Operating Temperature 25 C 70 C Storage Temperature 40 C 85 C Humidity 5 95 non condensing Power Supply DC 5V supplied by Acuvim Il meter Power Consumption 1W Appendix 2 Ordering Information Type AXM NET POE oes Ethernet Modaal Appendix C Revision History 20070915
6. line standard 568A to connect to computes Users may refer to the third chapter Function description of Ethernet module for using Ethernet module Module supports Modbus TCP and HTTP functions for direct connect 2 Indirect Connect Ethernet module use straight line standard 568B access Ethernet through router or hub Users may refer to the third chapter Function description of Ethernet module for using Ethernet module N f Chapter 3 Function Description Initializing Ethernet Module Searching IP Address of Ethernet Module Description of Modbus TCP protocol Browse Webpage and Set Parameters Mail Function Detail of Ethernet module will be described in this chapter It includes how to set parameters of module how to get IP address and Mac address of module content about Modbus TCP protocol how to visit webs and how to use mail function Ethernet Modaal 3 1 Initializing Ethernet Module AXM Net default settings are IP Address 192 168 1 254 Subnet Mask 255 255 255 0 Gateway 192 168 1 1 Primary DNS Server 202 106 0 20 If you don t know the settings of module when power on for the fist time you may use the panel of Acuvim II to get them and to configure them This procedure shows how to configure Ethernet module settings by panel a Press H key and V A key simultaneously on Acuvim Il will go to the menu selecting mode Cursor Meter flashes in this mode
7. oooooooo oooocoooo Bottom View 2 2 Installation Method Ethernet module is linked to Acuvim Il meter by communication plug It can also be linked to other extended modules like IO modules 1 Insert the installation clips to the counterpart of Acuvim II meter and then press the Ethernet module lightly so linking is established 2 Tighten the installation screw Note Ethernet Modual 1 lightly in installation or it may cause damage to the IO modules 2 Installation with power is forbidden 2 3 Definition of RJ45 Interface The Ethernet module uses standard RJ45 connector access Ethernet network The mechanical and electrical characteristics of connector are consistent with the requirements of IEC 603 7 LED L ED R Top View Script ID Content 1 TX Tranceive Data 2 TX Tranceive Data 3 RX Receive Data 4 n c Not connected 5 n c Not connected 6 RX Receive Data F n c Not connected 8 n c Not connected LED_L yellow display speed status LED on indicates 100Mbps while LED off indicates 10Mbps LED_R green display link and activity status combined LED on indicates link status while LED flash indicates activity 2 4 Cable Shielded twisted pair cable standard 568A or standard 568B is usually recommended as reference to the EIA TIA standard PORE ps 2 5 Connection Method 1 Direct Connect Ethernet module use cross
8. reset is finished and find the new IP address in the following step Cetin nt TLN moet AFIL oe Ma 50 0 Load s a na inet ptr D a Mx mx mx Fe Figure 3 5 d Set IP Address in the second setting page such as 192 169 1 100 as shown below Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting IP Address completely press V A key to affirm Again press P key go to the third setting page for Subnet Mask Ethernet Medual Betting nung AD I EE fiat ec eo eee Ltt a I J ie gt li Z pan L pb a x2 MAx2 M3 x2 Le Figure 3 6 e Set Subnet Mask in the third setting page such as 255 255 255 0 Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting Subnet Mask completely press V A key to affirm Again press P key go to the fourth setting page for Gateway Setting I NLT oo wo ICC T Cia id IEC A x2 MAx2 Be Ee Figure 3 7 f Set Gateway in the fourth setting page such as 192 169 1 1 Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting Gateway completely press V A key to affirm Again press P key get into
9. two network setting mode Manual or Auto Except network setting mode there are two port settings in Webpage One is HTTP port and the other is Modbus TCP port The default value of Modbus TCP port is 502 and the user defined range is 2000 5999 The default value of HTTP port is 80 and the user defined range is 6000 9999 After new network settings go into effect users may enter webpage according to new IP address ve le kle EE a e Jee Dd oo Je Jo Ja mn mn mn cn 502 Figure 3 22 Figure 3 23 Configure network settings completely for Manual mode webpage ALLUEVERGY Ethernet Module Figure 3 23 Figure 3 24 configure network settings completely for Auto mode webpage 37 genog vomopg Ethernet Modual ALCU VEAGY Ethernet Module Figure 3 24 3 Mail Settings Webpage Figure 3 25 Mail Settings webpage Users should not set Mail From the same as Mail to Because some SMTP servers may reject the connection for these settings and the module may not send mail The value of Mail Sending Interval is interval time between two mails under Send mail for timing mode the default value is 1 hour the range is 1 168 hours The Select mode of mail mode includes Send mail for timing mode Send mail for event mode None mode Users could select single mode and the default mode is None mode Figure 3 25 Figure 3 26 select mail cont
10. I3 bit2 DI4 bit3 Transaction Transaction Protocol Protocol Length hi Length to Unit identifier hi identifier lo identifier hi identifier lo 8 s identifier 00H 00H 00H 00H 00H 04H 01H Fun Byte count Data 02H 01H OFH The content of the data is 7 6 5 4 3 2 1 0 0 0 0 0 1 1 1 1 MSB LSB Table 3 8 Read 4 Dis Response Message 3 Read Data Function Code 03 Query This function allows the users to obtain the measurement results of Acuvim II Table 3 9 is an example to read the 6 measured data Time from server device address 1 the data start address is 1040H Unit identifier Transaction Transaction Protocol Protocol identifier hi identifier lo identifier hi identifier lo Pe es Ethernet Modaal Fun Data start reg hi Data start reg lo Data of regs hi Data of regs lo 03H 10H 40H 00H 06H Table 3 9 Read Time Query Message Response An example response to read Time 2006 12 18 14 15 20 is shown as Table 3 10 Transaction Transaction Protocol Protocol Length hil Leneth lo Unit identifier hi identifier lo identifier hi identifier lo dais 8 identifier 00H 00H OOH OOH OOH OFH 01H Byte Data1 Data1 Data2 Data2 Data3 Data3 Data4 Data4 Data5 Data5 Data6 Data count hi lo hi lo hi lo hi lo hi lo hi lo 03H OCH 07H D6H OOH OCH OOH 12H OOH
11. PWOP Ethernet Medual 20 i Set Modbus TCP port in the seventh setting page such as 502 Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting Modbus TCP port completely press V A key to affirm Again press P key go to the eighth setting page for HTTP port Modbus TCP port s default value is 502 and the user defined range of port is 2000 5999 If the set port is not in the range the set port will return default value nat Ml AI Vult I DN xo Ort Tr uae VLA 1 50 Load e b 502 a x2 MAx2 MAx2 EE Figure 3 11 j Set HTTP port in the eighth setting page such as 80 Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting HTTP port completely press V A key to affirm Again press P key go to the ninth setting page for resetting mode HTTP port s default value is 80 and the user defined range of port is 6000 9999 If the set port is not in range the set port will return default value mmo LITT Oe Vut Pt tj PNT UI a 3 a a mx MAx2 MAx2 gp fm l Ptal T Figure 3 12 k Set resetting mode in the ninth setting page Select RESET to reset module Select NO means not to reset module Select DEFAULT means load module with default settings and reset modul
12. ange is 5 30S The select of Language supports English and Simplified Chinese ACLUEVERGV Ethernet Module genog vomopg Ethernet Modual 42 Figure 3 30 Figure 3 31 webpage settings set completely webpage ACTUEV AGY Ethernet Module Webpage Settings Figure 3 31 5 Load Default Webpage Figure 3 32 Load Default webpage ACTU VZAGY Ethernet Module Figure 3 32 Figure 3 33 Load default successful webpage The network settings of module will renewed default value ACTUE V AGY Ethernet Module Load Default Figure 3 33 6 Password Setting Webpage Figure 3 34 Password Setting webpage ALTUEVERGY Ethernet Module Figure 3 34 43 JOPO vomopg Figure 3 35 set password successful webpage Ethernet Modual ALL y Ethernet Module Figure 3 35 4 Data Webpage Press Data Link to Visit Data webpage Figure 3 36 is flow chart of data webpage There are six kinds of data webpage They are Metering webpage Energy and Harmonics webpage and Max and Min 1 Max and Min 2 webpage Alarm Record webpage and SOE Record Energy and Harmonics Press link to get into these webpage Max and Min 1 Data Webpage Max and Min 2 Alarm Record SOE Record oodo 44 webpage Each webpage may refresh according to Data Page Refresh Interval and show work status o
13. any untrained people Accuenergy is not responsible for any problem happens under proper operation Chapter 1 Introduction 2 222222220 1 1 Ethernet Introduction 1 2 Function Description of Ethernet module Chapter 2 Wiring and Connection 2 1 Appearance and Dimensions 2 2 Installation Method 2 2 5 Connection Method Chapter 3 Function Description of Ethernet MODULE 3 1 Initializing Ethernet Module 3 2 Searching IP Address of Ethernet Module 3 3 Description of Modbus TCP protocol 3 4 Browse Webpage and Set Parameters 3 5 Mail Function 2 0 2222 eee eee eee eee eee Appendix rer eenen neneneneneenenenennenenenrenensnneneneneenenenrenenenennenenennenn Appendix A Technical Data and Specifications Appendix B Ordering Information Appendix C Revision History Congratulations You have gotten an advanced v
14. assword is 12345678 There are five kinds of setting webpages They are Network Settings webpage Mail Settings webpage Webpage Settings webpage Load Default webpage and Password Setting webpage Select Network Setting Mode and Press Affirm Network Button Settings Webpage Complete Webpage Select a Content and il Setti o Press Affirm Set Mail Settings Mode En Press link to Select Mail Mode Compete enter settings and Press Affirm gt pa webpage Button PAN Mode Mail Settings Webpage ue Password Webpage check Complete Webpage Content and Press Affirm Button None Mode Set Webpage Settings and Press Affirm Button Complete Webpage Select Load Default Manner and Press Affirm Button Load Default Webpage Complete Webpage Set New Password and Press Affirm Password Setting Webpage Button Complete Webpage Figure 3 20 Jompoyy vm Ethernet Modual 36 1 Password Webpage Figure 3 21 Password webpage If the password is valid IE Browser will enter Network Settings webpage or else IE Browser will return to Password webpage ALLUEVEREN Ethernet Module Figure 3 21 2 Network Settings Webpage Figure 3 22 Network Settings webpage It supports
15. ding to the last 2 bit of the data Relay 1 bitO Relay 2 bit1 Transaction Transaction Protocol Protocol tenathhilienaihio Unit identifier hi identifier lo identifier hi identifier lo 8 5 identifier 00H 00H 00H 00H 00H 04H 01H Ethernet Modaal Fun Byte count Data 01H 01H 02H The content of the data is 7 6 5 4 3 2 1 0 0 0 0 0 0 0 1 0 MSB LSB Relay 1 OFF Relay 2 ON Table 3 6 Read 2 Relays Status Response Message 2 Read Status of DI Function Code 02 Function Code 02 1 On 0 Off There are 38 Dis in Acuvim II and the start address is OOOOH The following query is to read the 4 Dis Status of address 1 of Acuvim Il Query Transaction Transaction Protocol Protocol Length hi Length lo Unit i identifier hi identifier lo identifier hi identifier lo 5 s identifier 00H 00H 00H OOH OOH 06H 01H Fun Data start reg hi Data start reg lo Data of regs hi Data of regs lo 02H 00H 00H 00H 04H Table 3 7 Read 4 Dis Query Message Response The response includes MBAP Header function code quantity of data characters the data characters An example response to read the status of 4 Dis DI1 On DI2 On DI3 On Dl4 On is shown as Table 3 8 The status of each is responding to the last 4 bit of the data DI1 bit0 DI2 bit1 D
16. e Press V A key go to setting state and the pointed area flashes Press P key or E key to select configuration mode press V A key to affirm Note When configuring Ethernet module settings completely users must select RESET to restart module and new settings will take effect 21 PORE ps ett Ethernet Modual ag NET 50 0 CNET a x2 Axe M3x2 mn Figure 3 13 1 After configuring AXM Net settings completely press H key and V A key simultaneously to return menu selecting mode Users can do other operation 3 2 Searching IP Address of Ethernet Module Acuvim Il tool software supports search function and Users use it to get IP address and MAC address of Ethernet module Operation step 1 Press Start menu of tool software 2 Press Search Device menu AcuvimII Test Software Accuenergy Technology Co Ltd Connection Settings Figure 3 14 3 Tool software pop up Search Device s window and window display IP address and MAC address of module IP Address EEEN Copy IP Address Figure 3 15 23 JOU POY IWOZ 3 3 Description of Modbus TCP protocol The Modbus TCP protocol is used for communication in Ethernet module The protocol sets up master slave link in Ethernet First master device client sets up TCP link with slave device server Second ma
17. ent for Send mail for timing mode webpage Send mail for timing mode is a timing manner according to Mail Sending Interval which sends mail content to Mail to mail box Under this mode mail content includes Real Time Metering Energy and Harmonics Max and Min and users may select either or all of them ACCUEVEREY Ethernet Module Figure 3 26 JOPO vomopg Ethernet Modual Figure 3 27 select mail content for Send mail for event mode webpage Send mail for event mode is a manner of event triggered according to event type Alarm type SOE type which sends mail content to Mail to mail box Under this mode mail content includes Alarm Event SOE Event and users may select either or all of them ACTUEVEREY Ethernet Module Figure 3 27 Figure 3 28 set None mode completely webpage Mail function is unable ALLUEVEREN Ethernet Module Mail Settings Figure 3 28 40 Figure 3 29 configure Mail Settings completely webpage ACCU VERGY Ethernet Module Figure 3 29 The value of Mail From and Mail To and Mail Subject and Mail Sending Interval needn t be set repeatedly 4 Webpage Settings Webpage Figure 3 30 Webpage Settings webpage Users set the value of Device s Description according to meter type The default value of Data Page Refresh Interval is 5S and the r
18. ersatile multifunction power meter You can call it Remote terminal unit RTU and it will benefit your power system This manual is about Ethernet module of Acuvim II meter With Ethernet module Acuvim Il meter can be linked to Ethernet network easily and it can realize distribution automation based on Ethernet Please read this manual carefully before operating and setting the Acuvim II meter to avoid unnecessary trouble Chapter 1 helps you to understand the fundamental concept of Ethernet and application points of Ethernet module Chapter 2 describes in detail hardware features of Ethernet module Chapter 3 describes in detail function application of Ethernet module Appendix lists technical data and specifications and ordering information of Ethernet module r Chapter 1 Introduction Ethernet Introduction Function Description Ethernet module is an extended communication module of Acuvim II meter With Ethernet module Acuvim II meter can be linked to Ethernet easily Ethernet Modaal 1 1 Ethernet Introduction Ethernet was originally developed by Xerox and then developed further by Xerox DEC and Intel Ethernet uses a Carrier Sense Multiple Access with Collision Detection CSMA CD protocol and provides transmission speeds up to 10 Mbps Now Ethernet stands for LAN with CSMA CD protocol Ethernet is not a material network and it is the technology standard Ethernet is the most current communicatio
19. f Acuvim Il then Figure 3 36 Metering webpage includes the data of real time parameters for Acuvim II There are thirty six parameters such as Volts AN A Watt A PORE ps Energy and Harmonics webpage includes the data of energy and harmonics parameters for Acuvim Il There are seventeen parameters such as Delivered kWh kVAh and THD Volts Average Max and Min 1 webpage includes the max and min data of parameters for Acuvim Il There are thirteen parameters such as Volts AN A and Watt Total Demand Max and Min 2 webpage includes the max and min data of parameters for Acuvim Il There are twelve parameters such as Frequency Imbalance V and THD IA Alarm Record webpage includes alarm records for Acuvim II There are sixteen groups record Each record includes Time Stamp Limit ID Status Alarm Channel and Value SOE Record webpage includes SOE record for Acuvim Il There are twenty groups record Each record includes Time Stamp DI Status 3 5 Mail Function Because Ethernet module supports SMTP protocol it has mail function Before sending mail users must set the parameters of DNS Server Users may refer to the fourth section Browse Webs and Set Parameters and set the parameters of DNS Server Ethernet Modaal 46 There are two mail modes according as function One is Send mail for timing mode the other is Send mail for event mode Send mail
20. n standard in LAN This standard defines the used type of cable and the used method of Signal processing in LAN 1 2 Function Description of Ethernet module Please read appendix of technical data and specifications of Ethernet module before using it The Ethernet module supports Modbus TCP protocol It is used as server and the default value of protocol port is 502 and the user defined range of protocol port is 2000 5999 Device address is the same as Acuvim II meter The Ethernet module supports SMTP protocol It has Mail Function and supports Send mail for timing mode and Send mail for event mode and the default value of protocol port is 80 and the scope of protocol M The Ethernet module supports HTTP protocol It is used as HTTP server l port is 6000 9999 _ ye Chapter 2 Wiring and Connection Appearance and Dimensions Installation Method Definition of RJ45 Interface Cable Connection Method Ethernet module must be linked __ NOTE to Acuvim Il meter when it is to The environment temperature and be used In addition Ethernet humidity should fulfill the requirement module must be the first extended of Acuvim Il meter Otherwise it may module linked to Acuvim II meter cause the meter damage Ethernet Modaal 2 1 Appearance and Dimensions N 22mm Side View 90mm 55 6mm Top View O id Amar Am
21. of each abbreviated word is Transaction identifier hi Transaction Identifier high byte Transaction identifier lo Transaction Identifier low byte Protocol identifier hi Protocol Identifier high byte Protocol identifier lo Protocol Identifier low byte Length hi length high byte Length lo length low byte Unit identifier slave address Fun function code Data start reg hi start register address high byte Data start reg lo start register address low byte Data of regs hi number of register high byte Data of regs lo number of register low byte 1 Read Status Relay Function Code 01 Function Code 01 This function code is used to read relay status in Acuvim Il ide Amar An 1 On 0 Off There are 8 Relays in Acuvim Il and the start address is OOOOH The following query is to read 2 Relays Status of Acuvim II Address 1 Query Transaction Transaction Protocol Protocol Leneth hil Length lo Unit i identifier hi identifier lo identifier hi identifier lo 8 identifier 00H 00H 00H 00H 00H 06H 01H Fun Data start reg hi Data start reg lo Data of regs hi Data of regs lo 01H 00H 00H 00H 02H Table 3 5 Read 2 Relays Status Query Message Response The Acuvim Il response includes MBAP Header function code quantity of data byte the data An example response to read the status of Relay 1 and Relay 2 is shown as Table 3 6 The status of Relay 1 and Relay 2 is respon
22. r Function Code 16 T Query _ NOTE Function code 16 allows the user to modify the Prohibit writing zone which have no attribute of write contents of a Multi Register The example below is a request to an Acuvim Il address 1 to Preset CT1 500 and CT2 5 CT1 data address is 1008H and CT2 data address is 1009H Transaction Transaction Protocol Protocol i netn fil end Unit i identifier hi identifier lo identifier hi identifier lo s 3 identifier 00H 00H 00H 00H 00H OBH 01H Data start Data start Data of Data of Byte Value1 Value Value2 Value2 Fun 8 5 reg hi reglo regshi regs lo count hi lo hi lo 10H 10H 08H 00H 02H 04H 01H F4H OOH 05H Table 3 13 Preset CT Value Query Message genpo 100003 Response The normal response to a preset Multi Register request includes MBAP Header function code data start register the number of registers Ethernet Modual Transaction Transaction Protocol Protocol Lenath hi Lensth lo Unit identifier hi identifier lo identifier hi identifier lo gunn s identifier 00H 00H 00H 00H 00H 06H 01H Fun Data start reg hi Data start reg lo Data of regs hi Data of regs lo 10H 10H 08H 00H 02H Table 3 14 Preset Multi Registers Response Message Users may refer to the fifth chapter Communication and get the details of Ac
23. ster device sends request frame to slave device and slave device receives request frame and returns response frame to master device Figure 3 16 displays working mode of Modbus TCP protocol Ethernet Modaal Request Indication Del Modbus Client Modbus Server Confirmation Response Figure 3 16 1 Protocol 1 Data Frame Format MBAP Header Function Data 7x8 Bits 8 Bits Nx8 Bits Table 3 1 2 Modbus Application Header MBAP Header Field Modbus application Header field is start of data frame and it is consist of seven bytes Transaction 2 Bytes Identification of a Modbus Request Response Identifier transaction Protocol Identifier 2 Bytes Modbus protocol 0 Length 2 Bytes Number of following bytes Unit Identifier 1 Byte Slave address in the range of 0 247 decimal Table 3 2 24 3 Function Field The function code field of a message frame contains eight bits Valid codes are in the range of 1 255 decimal When a message is sent from a client to a server device the function code field tells the server what kind of action to perform 01 Read Relay Output Status Obtain current status of Relay Output 02 Read Digital Input DI Status Obtain current status of Digital Input Obtain current binary value in one or more registers 05 Control Single Relay Output Force Relay to a state of on or off Place specific value into a series of consecutive mul
24. the fifth setting page for DNS Primary Server o Css Wirt 1g ja Vult A IC A o a I 5 Dm ERI d a f g a LS A BAT EWA x2 MAx2 MAx2 g Figure 3 8 POR os Ethernet Modaal g Set DNS Primary Server in the fifth setting page such as 202 106 0 20 Press V A key go to setting state Users may set parameters in the pointed area and cursor starts at the first digit bit After setting DNS Primary Server completely press V A key to affirm Again press P key go to the sixth setting page for DNS Secondary Server Note if you want to use SMTP function DNS parameters must be set correctly 5 Y z Lm tk J BIE ae b s Z T 5 g0 ae J Vann coma a sae x Pu Cal SS p ka a Li g xe MAx2 M3x2 i Figure 3 9 h Set DNS Secondary Server in the sixth setting page such as 202 106 196 115 Press V A key go to setting state Users may set parameter in the pointed area and cursor starts at the first digit bit After setting DNS Secondary Server completely press V A key to affirm Again press P key go to the seventh setting page for Modbus TCP port Note if you want to use SMTP function DNS parameters must be set correctly a m o mm ric ns IHO so 0 s P an Ln E L om 727 x K z Li Mu i mx maxz MAx2 Figure 3 10 PORE
25. tiple registers Table 3 3 03 Read Data 16 Write Multiple registers 4 Data Field The data field is constructed using sets of two hexadecimal digits in the range of 00 to FF hexadecimal The data field of messages sent from a master to slave devices contains additional information which the slave must use to take the action defined by the function code This can include items like discrete and register addresses the quantity of items to be handled and the count of actual data bytes in the field For example if the master requests a slave to read a group of holding registers function code 03 and the data field specifies the starting register and how many registers are to be read If the master writes to a group of registers in the slave function code 10 hexadecimal the data field specifies the starting register how many registers to write the count of data bytes to follow in the data field and the data to be written into the registers JOU PYY POWO 2 Format of communication Explanation of frame Ethernet Modaal Transaction Transaction Protocol Protocol Lensth hilLensth lo Unit identifier hi identifier lo identifier hi identifier lo 2 s identifier 00H 00H 00H 00H 00H 06H 01H Fun Data start reg hi Data start reg lo Data of regs hi Data of regs lo 03H 40H 00H 00H 48H Table 3 4 As shown in table 3 4 the meaning
26. uvim Il When users use Moubus Tcp function you set best the Scan Interval of tool soft under 1000ms and set best the Frame Interval of the third soft under 1000ms 3 4 Browse Webpage and Set Parameters Ethernet module supports HTTP protocol has Web Sever function Users may visit Acuvim II through Ethernet whenever and wherever Ethernet module supports IE Browser 5 0 and above editions and Webpage Settings only supports ASCII character We assume 192 169 1 200 as IP address of module Figure 3 17 is flow chart for entering webpage Index Webpage Press link to get into webpage gerpoyy vomopg Y Data ettings Webp Module Webpage age Status Webpage Figure 3 17 1 Index Webpage Users put IP address of module in Address of IE Browser and enter Index webpage Index webpage supplies three links to enter Data webpage or Settings Webpage or Module Status webpage ALCU VERGY Ethernet Module Figure 3 18 Ethernet Modual 34 2 Module Status Webpage Press Module Status link to enter module status webpage Webpage shows the state of module and the settings of module ALLUEVERGY Ethernet Module Figure 3 19 3 Settings Webpage Press Settings link to enter settings webpage Figure 3 20 is flow chart for settings webpage First IE Browser enters Password webpage and it need check module password Initial p
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