SCADALink User Manual
Contents
1. COM 3 RS 485 RS 485 DEVICES User Manual 4 WIRE MULTIDROP WIRING RS 485 4 MRE MULTIDROP BUS Tx Tx Rx Rx GND SCADAS witch 5510 COM 3 RS 485 OTHER RS 485 DEVICES Figure 3 COM 3 RS 485 Wiring Feb 15 2012 Hardware Overview 5 of 13 SCADASwitch SS10 User Manual 3 CONFIGURATION The SCADAS witch is configured with a terminal program such as Hyperterminal and connected with a standard straight thru RS 232 cable DB9 Female to DB9 Male to SS10 COM 1 3 1 SETTING UP HYPERTERMINAL 1 Connect the PC COM Port to the SCADASwitch COMI via straight thru cable and run Hyperterminal 2 Start up Hyperterminal and set to 9600 N 8 1 9600 Baud No Parity 8 Data Bit 1 Stop Bit No Handshaking 3 Cycle power to the SCADASwitch 4 After the SCADASwitch is rebooted type lt ESC gt twice within 8 seconds to enter CONFIGURE mode If successful the SCADASwitch Configuration Menu will appear If not re cycle the power and try again NOTE If no keys are pressed SCADASwitch will automatically enter RUN mode after 8 seconds 3 2 SETTING SCADASwitch CONFIGURATION SETTING 3 2 1 General Once you have successfully entered CONFIGURE mode the Configuration Screen will appear Feb 15 2012 Configuration 6 of 13 SCADASwitch SS10 User Manual File Edit View Call Transfer Help Da 53 DA COM1_9600_N_8_1 HyperTerminal x SCADASwitch 510 Configuration Settings Firmware Ver 1 20 Main Menu Type Baudr2. the configuration mode and automatically reboots the SS10 Feb 15 2012 Configuration 9 of 13 SCADASwitch SS10 4 TYPICAL OPERATING MODES User Manual These are examples of some common modes that the SCADASwitch can be used in 4 1 Mux MODE ALLOWS 2 SCADA HOSTS TO SIMULTANOUSLY POLL THE SAME RTU EFM DEVICE WORKS FOR OTHER REQUEST RESPONSE PROTOCOLS ie Fisher ROC F1 SCADASWITCH 5510 COMT SCADA HOST 1 POLLING EGRE MB ADDRESS 50 COM2 RADIO F2 iro R5232 SCADA HOST 2 POLLING MB ADDRESS 50 Figure 5 Modbus Multiplex Mode 4 2 LOI RS 232 SWITCH MODE LOCAL OPERATOR INTERFACE LOI PC CONFIGURATION MODE RS 232 RTU EFM MODBUS SLAVE ADDRESS 50 ALLOWS CONFIGURATION PC TO CONNECT TO RTU EFM YVMTHOUT HAVING TO PHYISCALLY DISCONNECT SCADA HOST NORMAL NOTHING CONNECTED TO COM1 CONFIGURATION CONFIGURATION PC IS PLUGGED INT PROGRAMMING LAPTOP SCADASWITCH 5510 TO COMI SCADA LOCAL HOST CONI RADIO HOST C R SCADASMITCH DETECTS P ACTIVE PATHIS COM COM3 ACTIVE PATH COM O COM1 SCADASWITCH 5510 COMI SCADA LOCAL Fal OM3 5232 COMS3 RS485 OWERED PC amp RS232 CABLE ON COM1 AND SWITCHES COM3 COMMUNICATIONS TO COM2 IS BLOCKED Feb 15 2012 Typical Operating Modes 10 of 13 SCADASwitch SS10 User Manual Figure 6 Local Operator Interface Mode 4 3 Modbus ADDRESS TRANSLATI
3. BENTEK SYSTEMS LTD SCADA amp Telemetry Control Systems Calgary Alberta T2B 0L1 Operator Interfaces ph 403 243 5135 fax 403 243 5165 Data Communications SCADALink SCADASwitch SS10 Multiplexer RS 232 Switch User Manual Feb 15 2012 www scadalink com TABLE OF CONTENTS 1 GENERAL OVERVIEW anth te De Sa ete a Bak sl st efte eoe 1 2 2 2 Ax gt HARDWARE dpt aat 2 2 2 SPECIFICATION S n 3 3 CONFIGURBA PION oec cece sete tdeo eosam ti ed iat che 6 3 1 SETTING UP enne 6 3 2 SETTING SCADASwitch CONFIGURATION SETTING 6 eleral ss seb ne ee RR uie toda ED Re tuit b SoC 6 3 2 2 adip C ec m 7 4 TYPICAL OPERATING MODES a nee dcbet tee tuit eeets 10 ZI WMUDPMOLDE a se p tueri fce 10 4 2 LOI RS 232 SWITCH ea eoe pates ei teow 10 4 3 Modbus ADDRESS TRANSLATION 11 4 4 Modbus WRITE BLOCKING MODE creen 11 4 5 RS 232 RADIO KEYING MODE creen enne 12 4 6 RS232 RS485 CONVERSION MODE 12 APPENDIX A UPGRADE FIRMWARE iet uoti ded ees SG 13 SCADASwitch SS10 User Manual 1 GENERAL OVERVIEW This document summarizes the operation and configuration of the SCADASwitch SS10 A soft copy of this manu
4. ON MODE ENABLES SCADA HOSTS POLLING 2 DIFFERENT ADDRESSES ASSOCATED WITH THE SAME PHYSICAL SLAVE DEVICE TO ACCESS IT MODBUS SCADASWITCH TRANSLATION ON F1 5510 COM2 64 to 50 COMI SCADA HOST 1 prai POLLING LOCAL MB ADDRESS 50 ZORA F2 RADIO COM3 RS232 MODBUS SLAVE SCADA HOST 2 POLLING MB ADDRESS 64 Figure 7 Modbus Address Translation Mode 4 4 Modbus WRITE BLOCKING MODE GRANT 3rd PARTY SCADA HOST TO HAVE READ ONLY ACCESS EE RD SCADASWITCH MODBUS VYRITE F1 5510 BLOCKING ON COM2 SCADA HOST 1 FULL ACCESS F2 MODBUS SLAVE SCADA HOST 2 READ ONLY ACCESS Figure 8 Modbus Write Blocking Mode Feb 15 2012 Typical Operating Modes 11 of 13 SCADASwitch SS10 User Manual 4 5 RS 232 RADIO KEYING MODE ALLOWS RTU WITH NO HANDSHAKING SIGNALS TO KEY RADIO SCADASWITCH 5510 COM1 LOCAL COM2 WITH RTS or RADIO RTSICTS TOMS RS232 KEYING RS 485 RTU EFM Figure 9 RS 232 Radio Keying Mode 4 6 RS232 RS485 CONVERSION MODE SCADASVVITCH 5510 COMT LOCAL Figure 10 RS 232 RS 485 Conversion Mode Feb 15 2012 Typical Operating Modes 12 of 13 SCADASwitch SS10 APPENDIX A UPGRADE FIRMWARE User Manual The SS10 factory ships with the latest firmware Under normal conditions the firmware does not need to be upgraded In the event that Bentek System issues a critical update to the firmware or customizes it
5. al can be found at www scadalink com The SCADASwitch is a low cost compact data communications interface device designed for a range of SCADA amp Industrial control applications The SCADASwitch has two RS 232 input ports and an output port that simultaneously supports both RS 232 and RS 485 connections to give it a flexible range of functions It can be configured via terminal software to do the following e Multiplexing Allows 2 Master devices to share a single communication channel Note only works for Poll Response type protocols such as Modbus or ROC LOI RS 232 Switch Local Operator Interface Mode Allows a configuration computer to connect to RTU EFM device s without the need to physically disconnect the SCADA Host e Modbus Address Translation 5510 can translate the address of an incoming Modbus message to any other valid Modbus address Address translation can be configured on both input ports independently This allows 2 different networks to connect to the same slave device on two different addresses Modbus Register Write Blocking By blocking Modbus Writes to PLC RTU EFM from a specific Input Port this feature can be used to grant Read Only access to one SCADA host while allowing full access to a second host e RS 232 Radio Keying Allows RTU with no handshaking signals to key a radio that requires RTS RS 485 Conversion Converts RS 232 to RS 485 e Custom Protocol Conversion Upon spe
6. ate Format Timeout Configure Com 1 Mux 9600 8 N 1 Configure Com 2 9600 8 N Configure Com 3 Output 96001 8 N Configure Timer Options Configure Com 1 Modbus Write Protection Configure Com 2 Modbus Write Protection Configure Com 1 Modbus Address Translation Blocking Configure Com 2 Modbus Address Translation Blocking Configure Advanced Settings Return to Factory Defaults Upgrade Firmware Save and Exit esc 1 120001 Choose Option Connected 0 00 08 Auto detect 9600 8 N 1 Figure 4 Configuration Screen 3 2 2 Settings 1 3 Serial Port Parameters Multiplex Mux Mode default mode Both Input ports COM1 amp COM2 are able to communicate to devices connected to the Output Port COM3 Requests from the input ports are sent on a first come first served basis and messages waiting to be sent are buffered internally until output port is available Mux mode is used to transparently share a single serial port between two master devices Local Operator Interface LOT Mode is used as normal communications port to end devices connected to COM3 Output port COMI is left unconnected and is used for Local interfacing to end devices The 5510 automatically detects the connection of a RS232 device eg Laptop on COM1 and blocks all traffic from COM2 until the cable is disconnected from the device on COMI This mode is used to allow the operator to connect directly to the end dev
7. cial request Bentek Systems can develop custom protocol conversion firmware for SCADASwitch i e to enable Modbus protocol for specialized devices With low power draw small size DIN rail mounting and Class I Div 2 rating the SS10 is ideal for use in remote EFM RTU applications Feb 15 2012 General Overview 1 of 13 SCADASwitch SS10 User Manual 2 HARDWARE OVERVIEW 2 1 HARDWARE The SS10 is shown in Figure 1 below COM 1 COM 2 COM 3 RS 232 COM 3 RS 485 Input Switched LEDs Power Power Output Figure 1 SS10 Hardware Table 1 Connectors CONNECTOR PINS DESCRIPTION Input Power PWR GND 9 30VDC Reverse Polarity Protection Switched Power SWP GND Vin 0 5V 2 5A peak or 1 5A Output continuous COM1 Tx Rx GND RS 232 DB9F DCE Used for Configuration and LOI or second Host for Multiplexing COM2 Tx Rx GND RTS CTS RS 232 5 Pin Terminal Block usually used for Primary Modem or SCADA input COM3 RS 232 Tx Rx GND RTS CTS RS 232 Output 5 Pin Terminal Block usually used for slave connection or radio network COMs3 RS 485 Tx Rx Rx GND RS 485 Output 5 Pin Terminal Block usually used to connect to slave devices or multidrop networks Feb 15 2012 Hardware Overview 2 of 13 SCADASwitch SS10 User Manual Table 2 LEDs LEDS DESCRIPTION STATUS 1 Flashes every second while waiting for Entry to Configure Mode 2 Off in Run Mode when Switched Power is off 3 So
8. driven low No Response Timeout default 2000ms COM3 Output Port configuration requires a No Response Timeout value This value is the amount of time the SS10 will wait for a response from a device connected to COMG before giving up and allowing the next request to be sent This value should be set longer than the maximum expected response time from the end devices connected to COM3 NOTE In Mux mode the no response timeout values on both hosts should be set to at least twice the value set on the SS10 4 Timer Options The SS10 has a built in general purpose timer which controls the switched power output SWP on the two terminal block next to the power input The timer can be programmed to turn on at a specified interval for a specified amount of time in minutes The SWP output sources power and can provide up to 2 5A peak or 1 5A continuous The Timer can be used to turn on a sensor or device for a limited amount of time in otder to save powet 5 6 Modbus Write Protection Both Input ports COM1 amp COM2 can be independently configured to block modbus write commands When Enabled the 5510 will block all write commands to both holding registers and coil registers incoming on that port When write protection is enabled user can configure up to six ranges of register addresses 6 holding ranges and 6 coil ranges in which write commands can be allowed if required all other writes to any other registers except those range
9. for your application follow these instructions to upgrade If you have problems upgrading contact Bentek Systems at www scadalink com or support scadalink com 1 Open Hyperterminal set to COM1 9600 Baud No Parity One Stop Bit Hardware Flow Control 2 Connect a standard straight thru serial cable at least 5 wire Tx Rx RTS CTS GND from computer to DB9 port 3 Connect 10 30VDC to SCADASwitch Input Power terminals Cycle power on Nm A steps 4 amp 5 7 Wait for prompt Erase complete press any Rey 8 Press any key ONCE While status light is flashing hit ESC twice within 8 seconds If main menu appears select Option 11 Upgrade Firmware otherwise repeat 9 When prompted with the message waiting for program Click transfer from the top menu bar and select Send Text File 9 Browse for the SCADASwitch Firmware file and select it 10 Spade characters will appear until file is finished loading If no Spade characters appear cycle power and start process again 11 Cycle power Table 4 Programming Cable Pinout Signal Name DB9F Pin DB9M Pin Rx 2 2 Tx 3 3 Gnd 5 5 RTS 7 7 CTS 8 8 Feb 15 2012 Appendix A 13 of 13
10. ices on COMG for local configuration calibration etc without being disrupted by traffic from 2 Baud Rate and Data Format All three com ports can be configured to have independent baud rates from 1200 115200 baud SS10 will automatically handle baud rate conversion between ports set to different rates default baud rate 9600 Feb 15 2012 Configuration 7 of 13 SCADASwitch SS10 User Manual All three com ports can also be configured with independent data formats 5510 will automatically handle data format conversion between ports set to different data formats default N 8 1 Supported settings are None even or odd Parity 8 ot 9 Data bits 1 or 2 stop bits Handshaking default none RTS or RTS CTS handshaking are available on COM2 and COM3 When handshaking is enabled user will be prompted to enter a RTS Delay value Handshaking operation is as follows RTS When data is ready to be sent out via port in which RTS handshaking is enabled RTS line is driven high After the time specified by RTS Delay value Message data is sent After message has completed RTS line is driven low RTS CTS When data is ready to be sent out via port in which RTS CTS handshaking is enabled RTS line is driven high SS10 waits for CTS to be asserted by the connected device Once CTS signal is received the SS10 waits for the value of RTS Delay before sending message data After message has completed RTS line is
11. lidly lit when Switched Power Output is active 4 Solidly lit when in Configure Mode Tx Flashes when there is data coming from COM3 Rx Flashes when there is data going to COM3 2 2 SPECIFICATIONS Table 3 Hardware Specifications General Power Requirements 9 30Vdc 5 8mA min 9 0m typ 54 max 12Vdc ESD Reverse Polarity Protected Switched Power OP Vin 0 5 de 1 5 amp max continuous 2 54 max peak ESD Protected Physical Size 2 75 x 3 15 x 1 5 x 80mm x38mm Environmental Operating Temperature 40 Deq C to 70 Deg C Relative Humidity Up to 90 RH Non Condensin Mounting 35mm DIN Railmount Status LEDs Power Status Indicator Rx Tx Terminal Block TB Wire Guage 2441 6 Min 12AWG Max Weight 3 Oz 84 Grams Communications Serial Ports ll b bi i cid bits COM 1 Input RS 232 Tx Rx GND No ze Serio DBOF DCE COM 2 Input RS 232 TX RX RTS CTS GND 5 Pin TB Flow Control None RTS RTS amp CTS COM 3 RS 232 Output RS 232 TX RX RTS CTS GND Spin TB COM 3 RS 485 Output 2 wire or 4 wire Half duplex RS 485 TX TX RX RX 5 Pin TB Agency Approvals CSA Class I Div 2 Group C D T3C Feb 15 2012 Hardware Overview 3 of 13 SCADASwitch SS10 User Manual SCADASwitch 5510 DB9F DCE Figure 2 Serial Port Signal Flow Direction Feb 15 2012 Hardware Overview 4 of 13 SCADASwitch SS10 2 WIRE MULTIDROP WIRING RS 485 2 WIRE MULTIDROP BUS A GND SCADAS witch 5510
12. s specified are blocked In some cases a wtite might be necessary in order to populate an index for Feb 15 2012 Configuration 8 of 13 SCADASwitch SS10 User Manual historical data polling eg Enron Modbus This feature allows the user to configure the device so that the host device can still poll historical data but does not have write access to the rest of the device registers 7 8 Modbus Address Translation Blocking Both Input ports COM1 amp COM2 can be independently configured to Translate Pass or Block any message containing a user specified modbus addresses within the valid range of 1 256 When translating the SS10 can convert incoming messages for one address and send them out for another address then convert the response back to the original address The SS10 can also block or pass specific addresses The user can choose to either block or pass all other addresses not specified in the table 9 Advanced Settings These settings are for specific applications Consult with Bentek Systems Ltd before adjusting these settings 10 Return to Factory Defaults This option resets all configuration parameters to Factory Defaults All current configuration settings are cleared 11 Firmware upgrade This Option is used to upgrade the current firmware running on SS10 All current configuration settings are cleared See Appendix 12 Save and Exit Entering this option or pressing esc from the main menu screen exits
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