Technical Insights Convergence of Automation and IT networking
Contents
1. EN Compile Abort Add Remove Help anx r8 mib l l advantech eki proview mib2 mib ada E PE DOV RW D D Figure 11 Add Private MIB into MIB library of NMS software AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 16 Fast Ethemet Industial Location Proview SW Demobox 01 KI 5526 F d e Information from Standard RFC 1213 MIB geVerion 100 C 00 2c Information from Advantech Private MIB tapSiP 192168253104 i Figure 12 Device information provided by Public MIB and Private MIB As well as device monitoring the ProView series of switches allow IT to control or perform certain configuration through SNMP The setting of the device location device IP mode device IP device netmask default gateway and read write community name can be configured directly through the NMS software For the statistical port information ProView switches are able to provide statistical information including count on unicast multicast and broadcast packet for each individual Ethernet port BH ProViewS WPort EKI 5526 n x xx jb B 4 e SJ id 2 0 H e Index Name HCInOctets HCOnvtOctets InhMulticastPkts InBroadcastPkts utMulticastPkts utBroadcastPkts 40402881 200657870 2222 94321 320028251 481865727 37918 82151 56883 204436306 353172362 62604 4 port4 277097594 _ 341085396 30800 652. E Bl Local amp d ArchestrA FSGateway 3 ArchestrA DASMBTCP 3 Configuration New TCPIP PORT 000 E ProViewS WEKI5526 A EKI5526 Node Type ModbusPLCRS Delimiter EKI5526 Parameters Device Groups Device Items PLC unit ID fi Reply timeout sec fzo v Use Concept data structures Longs v Use Concept data structures Reals A ADAMOO50 Iv p Longs Iv p Reals A ADAMO017 v Support multiple coil write v Support multiple register write m E Log Viewer amp Platform Manager Use Zero Based Addressing Jv Swap string bytes Bit order format Bl B2 B16 v Register size digits s V Register Order R1 R2 R3 R4 String variable style Register type Fulllength C Cstyle Pascal style Binary C BCD r Block O size Discrete input coil read fi 976 Coil write 800 Register read 122 Register write 100 Figure 6 Config node with correct parameter AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 Next we add one device ProVewSW in the device group with a suitable update interval time in this case we chose 1000 ms SMC ArchestrA System Management Console WIN AFU014VAG88 DAServer Manager Default Group Local Ara fase PUTA fey RAH gt zig X ArchestrA System Management Console WIN AFUO aT E Galaxy Database Manager att a E DAServer Manager z am
3. 88 49751 6784 B o LEES Ss Bu ol oF oF oF 6 porto 7960 oF 7632 O oF be oF et oF Cn Cn Cn 8 pong 8616 9 oono OO oF oF oF a oe oO oF 150162003 o 10 0 oF 62853328 Table 13 ProView Switch port status and statistic using SNMPc AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 ProView switches support SNMP traps which will automatically notify the SNMP server when there are events such as port link down up cold start and warm start occurs This information allows IT engineers to be notified of a network status change not just on the ProView switch but also on the devices connected to it imminently and act quickly In figure 14 below it shows the trap message example in the SNMPc Figure 14 ProView Switch send out SNMP trap to server to notify the server the occurrence of events AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 For the complete SNMP function list refer to table 3 below sysLocation iflnMulticastPkts ifOperStatus ifHCOutUcastPkts finNUcastPkts iflnDiscards LinkDown ifOutOctets system ifOutUcastPkts ifOutNUcastPkts SNMPv2 Advantech writeCommunity trapServerlpaddr Table 3 SNMP MIB table AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 Port Based QoS for deterministic data transmission There are a maximum of two VIP po
4. AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 Convergence of Automation and IT networking management with ProView Switches In a modern industrial environment sensors control nodes PLCs and SCADA servers are connected via switches and wireless Apps to create a complex network As the number of devices increase management and issue diagnostics are a challenging job for both IT and automation professionals As a global leader of industrial networking Advantech introduces the world s very first series of switches that will lead the convergence management in the worlds of IT and automation The ProView series of switches ProView switches combine the advantages of both managed and unmanaged switches to introduce a simple and cost effective solution with information for central network management and diagnostics Integrated to SCADA Server porran NMS Industrial IT Integrated to Industrial Automation i V ew SOANA lont i n WebAccess Figure 1 ProView Switch in an Industrial network AD ANTECH Nov 2014 Enabling an Intelligent Planet Technical Insights In order to allow both automation software and IT software to monitor the switch status the ProView series switches support both Modbus TCP and SNMP protocols This allows SCADA software such as Wonderware InTouch Advantech WebAccess WinCC iFix and IT Network Management System NMS software such as SNMPc an
5. ADAM 6017 and one digital I O Modbus TCP module ADA 6050 to the ProView switch EKI 5526 The topology is shown below AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 SCADA Server TPC 651H a L 1 SNMP Server TPC 651H i r Lj E ProView d EKI 5526 Analog I O Digital 1 O ADAM 6017 ADAM 6050 y Emergency Button Voltage measurement and adjustment Figure 2 Typical Industrial Application Topology We use the SCADA software to access the memory address in the ProView Switch through Modbus TCP This allows us to obtain the device information such as the device name FW version MAC and IP address and also the port status information such as port link up down link up counter and port speed This information further helps the engineer diagnose any issue When a signal is lost by the end device by having both the network information and the device information displayed on the SCADA we are able to conclude that the signal lost is caused by either the network or the end device itself For example in figures 2 and 3 below by reading the status of port 4 at memory location 34100 on the ProView switch through Modbus TCP we are able to know that the port has been disconnected and combined with SCADA HMI the status indicator of port 4 turns red This allows on site engineers to easily identify that the lost signal is caused by a disconnected network ca
6. ble or by malfunction of the voltmeter or the Modbus TCP module This helps to quickly narrow down the root cause of an issue AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 4 6 P e 8 10 EKI 5526 IP 192 168 253 133 MAC Add Wee T MUR LATUM Q0 OF 38 05 B1 13 oltage Figure 3 Switch device information switch port status and I O device reading in one SCADA system The red rectangle indicates that the port 4 has been disconnected EKI 5526 IP 192 168 253 133 Port Speed Port Link Up Down Status MAC Add Link Up Down Counter 00 OF 38 05 gi 13 Figure 4 Wonderware InTouch SCADA Port Information Sample using EKI 5726 AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 As well as basic device information and the port link up down status the ProView switch provides detailed statistical port information on each port including speed linkup counter count on the multicast packet count on unicast packet and count on error This allows engineers to observe the network status and statistic in detail from any HMI SCADA software which supports Modbus TCP The detailed information provided by the ProView switch is listed in the table below Product Code Product Name Ethernet MAC address Table 1 Modbus Information table In a HMI SCADA system such as InTouch address mapping and Modbus TCP connection is the init
7. d OpenNMS to monitor the switch device status in real time The devices come with Port based QoS for deterministic data transmission that allows data from the VIP port to have a higher priority compared to data from a normal port ProView switches use the highest quality components to achieve a wide range of operating temperature from 40 to 75 C along with Level 3 EMS protection from electromagnetic interference System Highlight Communication with HMI SCADA software via Modbus TCP Communication with NMS Networking management system via SNMP Port based QoS for deterministic data transmission Wide Operating temperature range from 40 to 70 C EMS level 3 protection for extreme outdoor environments Power saving with Energy Efficient Ethernet Standard IEEE 802 3az Jumbo Frames up to maximum of 9 216 Byte Power source redundancy with two 12 48V DC power inputs and P Fail relay Loop detection Communication with HMI SCADA software via Modbus TCP The Modbus TCP protocol has been built into Advantech ProView switches which allow a majority of popular SCADA system such as InTouch InduSoft WinCC and iFIX to obtain device status and information This allows all devices including ProView switches and I O control devices to be controlled and monitored through one HMI SCADA system In the following SCADA software example by using InTouch from Wonderware we connect the SCADA server TPC 651H one analog I O Modbus TCP module
8. etwork Management System Station software such as SNMPc SusuAccess NMS and OpenNMS to perform device management including status monitoring configuration and even events notification This allow IT engineers to have better monitoring and control on the network and easier troubleshooting when something went wrong on the network AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 In an industrial environment such as manufacturing nothing is more important than keeping the network which is formed by thousands of sensor devices running smoothly without any downtime SNMP has been widely used by engineers to monitor the network device status and an NMS is able to provide an intuitive network topology with a real time device status similar to the topology example shown in Figure 10 below Intuitive network topology with real time device status through SNMP Li ADAM 6017 Figure 10 Network Management System using SNMPc For information that is not supported by a standard SNMP MIB library Advantech provides a private MIB file that allow NMS software have the method of obtaining this information To add a private MIB into your NMS software we need to compile the Advantech private MIB file into the library as the example using SNMPc shown in figures 11 and 12 for private and public device information Compile Mibs j x Mibs To Compile Compile Status Entries Do Warnings Do Errors Do Compiling
9. ial step to setup the InTouch Using ProView switch with Wonderware InTouch For InTouch being able to connect to the ProView switch we need to have the InTouch know where our ProView switch is on the network Thus we first need to create a new node with an IP of the ProView switch in the System Management Console AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 SMC ArchestrA System Management Console WIN AFU014 VAG88 DAServer Manager Default Group Local ArchestrA D O BTA BRC RIH e i z X ArchestrA System Management Console WIN AFUOI E Galaxy Database Manager a E DAServer Manager Default Group ProViewSWEKI5526 Parameters E B Local B ArchestrA FSGateway 3 a ArchestrA DASMBTCP 3 E Configuration R A New_TCPIP_PORT_000 Bridge Type Modbus Brid ge c ProViewS WEK 15526 A EKI5526 A ADAM6017 iz Log Viewer Platform Manager 4 Node Type ModbusBridge Delimiter Maximum outstanding messages f Close Ethernet connection when no activity Figure 5 Create a node in the InTouch SCHADA Then we set the node with the correct parameters SMC ArchestrA System Management Console WIN AFU014VAG88 DAServer Manager Default Group Local ArchestrA DASMBTCP 3 Configuration BEF RTA BRV RAH gt 5i ArchestrA System Management Console WIN AFUO a m E Galaxy Database Manager o f DAServer Manager amp Default Group
10. p Default Group E amp Local A ArchestrA FSGateway 3 a E Configuration New TCPIP PORT 000 E ProViewSWEKI5526 A EKI5526 A ADAM6050 A ADAM6017 Log Viewer Platform Manager Node Type ModbusPLCRS Delimiter EKI5526 Parameters Device Groups Device Items Figure 7 Add the device in device groups and set update interval After the connection setting is finished right click on the node and select activate the server to start the server Another initial configuration is the tags Tags have been used in InTouch as the points of data Tags can be defined and modified by using the Tagname dictionary InTouch needs tags which are points of data and uses the Tagname dictionary to define these data points You can modify or create new tags using the Tagname dictionary Tagname Dictionary x C Main Details C Alarms Details amp Alarms Members New Restore Delete Save lt lt Select gt gt Cancel Close Tagname Port 01 Status Type 0 Integer Group System C Readonly Read Write EME ev LogDeta LogEvents Retentive Value Retentive Parameters Initial Value o Min EU 0 MaxEU 165535 Deadband o Min Raw 0 Max Raw 55535 Eng Units EE Conversion Lio Log Deadbend le Linear C Square Root Item 134097 Use Tagname as Item Name Figure 8 Tagname Dictionary AD ANTECH Enabling an Intelligent Planet Technical Insigh
11. rts with high transmission priority which can be used for deterministic data transmission The priority ratio between the VIP port and the normal port is 1 5 to 1 For example when there are two traffic flows on a ProView switch at the same time When traffic flow 1 is transmitting data from VIP port 1 to port 5 and also traffic flow 2 is forwarding data from port 3 to port 5 traffic flow 1 can have 50 more throughput than traffic flow 2 The port base QoS is useful to ensure high priority on important data to be transmitted in a busy network Data flow 1 High Priority Data I O signal data Video ex Port 1 VIP port to port 5 Surveillance data Data Flow 2 General Data Port 3 to port 5 Figure 8 Port Based QoS Wide operating temperature range from 40 to 70 C ProView series switches are designed to work in any harsh industrial environment They are able to function in wide operating temperatures ranging from 40 to 70 C These wide operating temperature unmanaged switches provide rock solid worry free stability and industrial grade performance Jumbo Frame up to maximum of 9 216 Bytes All ProView series switch support jumbo frames up to 9 216 bytes Jumbo frames can significantly increase your network s throughput while consuming fewer CPU cycles AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 Power saving with Energy Efficient Ethernet Standard IEEE 802 3az The ProView series swi
12. tch fully meets the Energy Efficient Ethernet IEEE 802 3az standard By supporting IEEE 802 3az standard the Ethernet port on the ProView series can switch between higher power state data mode lower power state LPI mode in response to whether data is flowing through them This allows power saving up to 60 in average ProView series switches saves you energy costs and provide unquestionable industrial grade performance and stability Industrial Switch EKI 3X25 Series _ i 3 E Industrial Switch EKI 3X25 Series Figure 9 IEEE802 3az allow ProView switch to save power up to 60 AD ANTECH Enabling an Intelligent Planet Technical Insights Nov 2014 Loop Detection All ProView switches come with built in loop detection and LED indicator This can help prevent careless network deployment During a complex network deployment system installation staff may accidentally connect the device with the wrong cable and cause a loop back on the network which can eventually create a broadcast storm and in the worst case melt the network Figure 10 Loop Detection LED for easy diagnostic On the ProView switch in the case of a loop detection the Loop Detection LED indicator on the device switch will instantly light to notify the installer and remove the connection just installed Conclusion With the communication capability using both Modbus TCP and SNMP protocol the ProView series of switches are the
13. ts Nov 2014 In this example we created a new tag to obtain the Ethernet port 1 status from the ProView switch We created PortOO1 Status as the tag name and I O Integer as the tag type Refer to the Modbus TCP address mapping table in the user manual we know the port status data stored on the switch is represented by four HEX characters which is 65 536 bits in data length Thus we entered Min EU and Max EU from 0 to 65535 Then we selected the pre configured device name ProViewDemo as the access name Finally we referred to the Modbus TCP address mapping table that comes with user manual we can find the address for the Ethernet Port 01 status data is stored at memory location 34097 thus we enter 34097 in the item field After the tag and connection have been setup correctly the HMI SCADA software is now able to obtain the specific data from the ProView switch With minor modification to the interface you will be able to display the data on the SCADA screen in the way you preferred For example you can have the connected port in green and disconnected port in red as in the example below The SCADA will obtain the information from the ProView switch and display the port status for all 16 Ethernet ports in real P uin Figure 9 SCADA display interface example port status for EKI 5526 time Communication with NMS software via SNMP ProView switches support SNMP Simple Network Management Protocol which allows IT NMS N
14. very first networking switches in the world that provides management convergence between industrial control and IT networking management The ProView series of switches are positioned in between unmanaged and managed switch to introduce a simple and cost effective solution for increasingly complex industrial networking
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