ETHERNET PEER-TO-PEER COMMUNICATION
Contents
1. Acromag in the Site Explorer box and click Search 1 Connect the module to a PC using either a Cat 5 crossover cable or an Ethernet HUB and standard Cat 5 cable 2 Open a web browser and enter the default address of the module http 128 1 1 100 in the browser address window 3 The module Home Page will be displayed See Figure 4 Select Network Configuration Page See Figure 5 The default user name and password is User and password00 4 Enter the network parameters A static IP address must be used with the 353 since Ethernet blocks in the 353 will be configured with a fixed address Check Use Static Address Enter the IP address and the Subnet Mask 5 Select the Submit button to write the configuration into the module 1 EN eM Home Page S8JEN 4012 Network Configuration Page icine oan Wanber of Sockets fi DHE Semm EE Sitha an Garau preies Bal foe O Test Pagpe Aime TF Aa 12 LEE EL MAC Adie 01 CIO 01 DF i Pr Um m F Abg Ta UACHE Com SHOOT Wa Te ya Pept Sga AAP ST ea PT ee ii CT mim tame Binara ano i Test Page Password Configuration Page D es face er eel Cai a Tiem E U Aia Dee A a airen zj L See I xj ipj hng AFAR a ie Tj ow f A imam CESEN Cmipaaa firmei Fei A wit FIGURE 4 Home Page FIGURE 5 Configuration Page CONFIGURE AN ANALOG INPUT MODULE Models 961EN 962EN 963EN 964EN 965EN 966EN 1 Select Test Page from the modul2. Figure 11 O INPUT x loop tag block tag output enter all inputs as required a IP ADRES XXX XXX XXX XXX enter IP address of I O module O MBADRES 1 a START CL enter starting Modbus register e g 1 in Model 983EN 4012 a NOOFCL 12 enter number of discrete values to be written O UDTYPE Peer2Peer P2P rate is configured in the Station block Configuration ComLabReactorl1 Reactor 11 D0seq 1 1 aD File Edit View Communications Tools Window Help l x oem S lle 2 ere elt ad al rfolololalal e 2 9 To Sa Bl Al as elif ef tof Talta Ch Cos oc ell tt om Station Resources T CWE Fn Blocks Loop DOseq Block CWE1 Parameter List Unconfigured 192 168 1 81 1 2 CycleT ime Information Input Source For Help press F1 NUM M Start Configuration ComL Test Page Microsoft Inter Test Page Microsoft Inter Ff untitled Paint fh 2134M FIGURE 11 CWE Block Item Attributes Page SWITCHES More information on Ethernet networking components such as switches can be found in AD353 113 In the applications described earlier in this paper the switches used include O Figure 1 Simple Ethernet I O Example Model 900EN 5005 Ethernet Switch 5 port This switch has the same form factor as the I O modules and can be DIN rail mounted with the modules For most applications this switch requires no set up However detailed technical informatio
3. Siemens Industry Inc Application Data AD353 114 Rev 3 August 2011 Model 353 Controllers Extending I O Capability with Ethernet INTRODUCTION Ethernet has gained wide acceptance in the industrial process control world as a viable local area network LAN solution Today Ethernet is also finding use on the sensor and data acquisition side of the controller Manufactures have developed I O devices that put thermocouple RTD current voltage and discrete I O signals directly on Ethernet Ethernet then can be used to acquire sensor information from remote locations extending the I O capability of controllers This paper describes the Ethernet I O that is available from Siemens and provides an overview on the use of this I O with Siemens Model 353 Process Automation Controllers References to detailed information on the various products mentioned are also provided A detailed discussion of the use of Ethernet and its use as a peer to peer network with Model 353 controllers is provided in AD353 113 The current revision of this paper along with others addressing related topics can be found on the Siemens Website www usa siemens com ia then click Process Instrumentation and then Process Controllers and Recorders for this publication type AD353 114 in the Site Explorer box and click Search TYPICAL INSTALLATIONS There are a number of ways Ethernet I O is used In a simple implementation it extends the I O of a single panelboard c
4. UT MODULE Models 972EN 973EN 1 Select Test Page from the module Home Page Select the desired range configuration See Figure 8 Q Voltage Inputs 973EN 0 1 V 0 5 V 0 10 V Q Current Outputs 972EN 0 20 mA 4 20mA 0 1 mA 3 Select the write range and button to write the configuration into the module D w fe RUR Agresa 2 hr 1132 1603 Enestam ieee ye Hiiurosoli Inleinol MeN eet 7 T Epi E el pakiy SS ee en p 1 5 p i x f i Lat a K t 7 7 day n i t FIGURE 8 Analog Output Modules Test Page AD353 114 Configuration of the AWE_ Block in 353 The AWE block is used to write a value connected to Input S of the AWE block to an Analog Output module e g 972EN The configuration example uses the i config software See Figure 9 1 Select an AWE_ block and enter it on the graphical page for the loop 2 Open the AWE_ block and enter the configuration parameters a IP ADRES XXX XXX XXX XXX enter IP address of I O module O RGPTR loop tag block tag output enter all inputs as required O INPUTS loop tag block tag output enter all inputs as required OQ INPUTT loop tag block tag output enter all inputs as required a MBADRES 1 O MB REG xx enter Modbus register e g 19 for CHO in Model 972EN 4006 R W Holding register 4xxxx which for this example is 40019 a DATA TYPE SIGNED a BYTEORD 1 a UD RATE Peer2Peer P2P rate is configured in the S
5. ck MIN INT 0 Zero of range e g 4 mA MAX INT 20000 Full scale of range e g 20 mA RANGE MANUAL MINSCALE 0 enter a different value if required by application MAXSCALE 100 enter a different value if required by application DPP 0 00 enter a different value if required by application ENGUNITS PRCT enter a different value if required by application The ilconfig software may not display these parameters when the DATA TYPE of SIGNED is selected Therefore first select UNSIGNED and configure the desired settings of all these parameters Set the DATA TYPE to SIGNED then set UD RATE MIN INT and MAX INT in order The parameters even though not visible are still in the database and will be downloaded to the controller 3 Download the configuration to the controller when configuration is complete Examples of other Analog Input scaling configurations are listed below 961EN 4 20mA O 4mA 20000 20mA 0 00 100 00 PRCT 961EN 4 20mA O 4mA 20000 20mA 0 0 800 0 f degF 961EN 0 11 17mA O OmA 20000 11 17mA 0 00 10 00 AMPS 962EN 0 OmV 7692 30mV 000 700 pH 965EN JTC C 178 17 8 C 4267 426 7 C 0 0 800 0 966EN PT3853W 378 37 8 C 1489 148 9 C 100 0 300 0 The underscore following a function block name indicates a re useable block it will be replaced by an incrementing number with each use of the block AD353 114 CONFIGURE AN ANALOG OUTP
6. e Home Page See Figure 6 ites Portes paaa Sye tom er oor FIGURE 6 Analog Input Module Test Page The Acromag Inc models listed are examples of Ethernet capable I O modules from many manufacturers 3 AD353 114 2 Select the desired range configuration for the module selected E E E E Current Inputs 961EN 963EN 0 20 mA 4 20mA 0 11 17 mA use with 5020 350 AC current sensor 0 1 mA Voltage Inputs 962EN 964EN 10V 5V 2 5V 1 25V 625mV 313mV 156mV 78mV Thermocouple Inputs 965EN J K T R S E B N 100MV 1V RTD 966EN 3W Pt 100 Q a 1 3850 Pt 100 Q a 1 3911 Pt 100 Q a 1 3850 Ni 120 Q Cu 10 Q Resistance 2W 3 Select the Submit button to write the configuration into the module Configuration of the AIE_ Block in 353 The AIE block is used to request a value from an Analog Input module e g 961EN The configuration example uses the Siemens i config Graphical Configuration software See Figure 7 1 Select an AIE block and enter it on the graphical page for the loop 2 Open the AIE block and enter the configuration parameters E DOCO OO O ODODO IP ADRES XXX XXX XXX XXX enter IP address of I O module MB ADRES 1 MB REG xx enter Modbus register e g 10 for CHOO in Model 961EN 4006 REG TYPE INPUT 3xxxx Input Registers e g 30010 in this example DATA TYPE SIGNED UD RATE Peer2Peer P2P rate is configured in the Station blo
7. ments and are considered sound practice Neither Siemens Industry Inc nor these agencies are responsible for product uses not included in the approval certification s or for repairs or modifications made by the user
8. n can be found in the User Manual Figure 2 Advanced Ethernet I O Example N TRON offers a large variety of switches that include Cat 5 wire and fiber optic media options More information on these products can be found on the N TRON web site n tron com Figure 3 Critical Ethernet I O Example N TRON offers a large variety of switches that include Cat 5 and fiber optic media which can be configured in redundant ring topologies for critical applications More information on these products can be found on the N TRON web site n tron com AD353 114 REFERENCES e Model 353 Process Automation Controller User s Manual UM353 1 Rev 9 or higher Design Level A controllers discontinued e Model 353 Process Automation Controller User s Manual UM353 1B Design Level B controllers e BusWorks 900EN series Ethernet Modules User Manuals e ilconfig Graphical Configuration Software Guide SG15939 64 Copyright 2011 Siemens Industry Inc All product designations may be trademarks or product names of Siemens Industry Inc or other supplier companies whose use by third parties for their own purposes could violate the rights of the owners Siemens Industry Inc assumes no liability for errors or omissions in this document or for the application and use of information in this document The information herein is subject to change without notice Procedures in this document have been reviewed for compliance with applicable approval agency require
9. ontroller see Figure 1 A more advanced application might be to network multiple controllers located in various locations within a plant see Figure 2 In critical applications various fault tolerant network configurations can be used to minimize the system affected by a failure of a network component or a network cable see Figure 3 Refer to the section on Switches for more information Cat 5 Cable Model 353 FIGURE 1 Simple Ethernet I O Example AD353 114 VO VO VO VO VO WO VWO VO WO Fiber Optic Cable Fiber Optic Cable Fiber Optic Cable Switch Switch Switch Switch Cat 5 Cable Cat 5 Cable Cat 5 Cable Cat 5 Cable Model 353 Model 353 Model 353 Plant Operator Workstation Process Area A Process Area B Process Area C FIGURE 2 Advanced Ethernet I O Example Fiber Optic Cable Ring Manager Switch Fiber Optic Cable Fiber Optic Cable Switch Switch Switch Cat 5 Cable REACTOR CONTROLS Model 353 Model 353 Model 353 Plant Operator Workstation Process Area A Process Area B Process Area C FIGURE 3 Critical Ethernet I O Example AD353 114 CONFIGURE MODULE NETWORK PARAMETERS An overview of the steps needed to configure an I O module for use in applications with a Model 353 loop controller follows Detailed information on Ethernet I O Modules can be found on the Siemens Website At the site given on page 1 type
10. s The configuration example uses the ilconfig software 1 Select a CIE block and enter it on the graphical page for the loop 2 Open the CIE block and enter the configuration parameters a IP ADRES XXX XXX XXX XXX enter IP address of I O module O MBADRES 1 a DATA TYPE INPUT Ixxxx discrete input e g 10001 in this example a UD RATE Peer2Peer P2P rate is configured in the Station block a START CL enter starting Modbus register e g 1 in Model 983EN 4012 a NOOFCL 12 enter number of discrete values to be requested Disia a iele 2 lei a lflsieleisicls a ae Sf a vl as ea o l E ij mjg e ELEC FECARARE DIET Friiske Lep Lepil AAG List FE o mension ev arr name con oo T a 4 Fer Heli preis FI Wistar 3 o a 5 rbe microsoft Outlook Ey conin dP Confaparations 4 00 nE eS ee FIGURE 10 CIE Block Item Attributes Page Configuration of the CWE_ Block in 353 The CWE block is used to write discrete values connected to the various inputs 0 1 2 etc to a discrete output module e g 982EN 983EN The block will write up to 16 contiguous discrete values to a single IP address The discrete values are ON OFF 1 0 inputs to the block from other blocks within the controller The configuration example uses the ijconfig software AD353 114 1 Selecta CWE_ block and enter it on the graphical page for the loop 2 Open the CWE_ block and enter the configuration parameters See
11. tation block a TRIG DB 0 2 a MININT 0 Zero of range e g 100 0 for a range of 100 0 400 0 OQ MAX INT 20000 Full scale of range e g 400 0 for a range of 100 0 400 0 3 Download the configuration to the controller when configuration is complete Configuration ComLabReactor10 Reactor 10 PC101 1 1 aP File Edit View Communications Tools Window Help e x Dise 8 11e 2 el Alt ada lolclola a el all I5 SaR Al S 8 at EB TA Tal Tal Ca l sla ma eesi H Station Resources eA ji Se oaa Item Attributes x AWET l Fn Blocks Loop PC101 Block AWE L Bhenet or AI l Parameter List as ES 192 168 1 76 RG PTR PC101 PID 0R INPUT S PC101 LL3 01 INPUT T Unconfigured 1 Reference Name a 19 SIGNED k ef im Information New Value IP Address Range 192 168 1 76 Min 000 000 000 000 Max 255 255 255 255 OK Cancel fae gt For Help press F1 Now A Start A Configuration ComL 1007PM FIGURE 9 AWE Block Item Attributes Page AD353 114 CONFIGURE A DISCRETE INPUT OUTPUT MODULE 1 Configure the network parameters as previously described 2 Select the Test Page and test the discrete channels Configuration of the CIE_ Block in 353 The CIE block is used to request values from a discrete input module e g 98 1EN 983EN The block will request up to 16 contiguous discrete values from a single IP addres
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