SCADALink 900-MB RTU / Radio Modem Manual Version 260 Issue
Contents
1. 19 APPENDIX B SYSTEM DRA WINGS 22 Bentek Systems Ltd Issue V1 2 for SCA DA Link 900 MB 260 WARNING WARNING SCADALink 900 MB radios incorporate a 16 bit address code to give 65 535 different ID settings aiding the receiver in identifying the proper transmitter However you should be aware that any other SCADALink 900 MB radio operating in your vicinity set to the same ID code may activate your receiver While the likelihood is small the possibility is real For this reason each customer system a network of SCADALink 900 MBs will have a unique factory programmed ID code which cannot be changed by the user If the customer is using the same ID coded system for different point to point or point to multipoint links they should ensure that the frequency band selection is unique Bentek Systems Ltd 1 Issue V1 2 for SCA DA Link 900 MB 260 COMPLIANCE COMPLIANCE This device complies with the requirements of the Federal Communication Commission as specified in document CFR47 Part 15 247 and Industry and Science Canada ISC as specified in document RSS 210 The device is permitted only on a no interference no protection basis that is it must cease operation when it is determined that it causes harmful interference to the services authorized by the FCC or the I2. erede de eee 8 LOIDI BIERS 0 ETT 9 SCADALINK MODBUS RTU Protocol Compatibility 10 MODBUS Registers uote beet repete ite ett ode et a 11 TERMINAL BLOCK u dede e de e HR PATRE NER ERR RERO tH ends 12 SERIATZPORSLS Sh aO eee poete E 13 RS232 iie 13 RASI ROR T ise EE 13 EED INBIGATORS tete d eo EE RR 14 RED STATUS EED n ende e dee dee eds 14 GREEN RX PUDE 14 GREEN TX LED MEE 14 RECEIVED SIGNAL STRENGTH INDICATOR RSSI a 15 ANTENNA SYSTEM AND CONNECTORS 16 WARRANTY 17 REPRESENTATION 17 SPECIFICATIONS 18 GENERAD Ere petet ne restera cete ees tee eng eee daba eine 18 RADIO SPEGCIBEICATTIONS irte etie hetero einem 18 SERIAL AERE au hua ait aqa P au E E 18 PARALLEL INPUTS OUTPUTS ns an q err S C RR Let Peto 18 APPENDIX A TECHNICAL NOTES CONFIGURATION
3. Up to 32 Devices Four Wire RS 485 Connection SCADALink E Rt RX e e TX e Signal Ground SG TX RX RX SG TX TX RX Device 1 Device Notes Rt 120 Ohms Only required at the ends of an 5 485 bus and when cable lengths exceed 100 feet TITLE 1 7 98 Mods to cable lengths BENTEK SYSTEMS LTD Communication Details 504 42Av e SE DESCRIPTION Calgary AB T26 1Y6 COMPANY DRAWN BY DRAWING N SCADALink JW o Tel 403 243 5135 SCADCOM Fax 403 243 5165 LOCATION 2 CHECKED BY Up to 32 Devices Q 900 1 4 Wave BASE STATION REMOTE SITE Antenna o OMNI Antenna Yagi Antenna N type Female Connector SEAL CONNECTOR gt Sete JOINTS WITH SELF omas VULCANIZING N type Male Connector Antenna clamped to mast N type Female Connector N type Female Connector N type Male Connector x SEAL CONNECTOR N type Male Connector JOINTS WITH SELF VULCANIZING TAPE GUY WIRES GUY WIRES Antenna Mast Details 1 5inch dia or greater recommend 1 5 inch Aluminum sched 40 20 ft Radio Enclosure Details length AMP UNISTRUT Antenna Cable from Mast Enclosure Su
4. BENTEK SYSTEMS LTD makes no representation or warranties with respect to this manual or except as specifically stated in the applicable user agreement or warranty notice with respect to any hardware firmware or software described in this manual BENTEK SYSTEMS LTD specifically disclaims any express or implied warranties of merchantability title or fitness for any particular purpose The information contained in this document is assumed to be correct and current BENTEK SYSTEMS LTD reserves the right to make revisions or changes to any and all parts of the manual hardware firmware or software at any time without obligation to notify any person or entity of the changes Bentek Systems Ltd 17 Issue V1 2 for SCA DA Link 900 MB 260 SPECIFICATIONS GENERAL Power Voltage Current Hx Current Maximum Temperature Range Operating Storage Size Max dimensions Length Width Height Mounting Case Material Weight RADIO SPECIFICATIONS Technique Frequency Hopping Frequency 902 928 MHz Hop Sequence Length 63 Available Sequences 255 Available ID Codes 65535 Frequency Bands 4 Interleaved Hop Dwell Time 65 ms Transmit Power 1 Watt Rx Sensitivity CRC 16 Auto Packet Repeat Error Detection Error Correction Typical Range SPECIFICATIONS 9 26 VDC 60 mA 9 12V 40 mA 24V 250 mA 12 145 mA 924 V assumes Continuous operation in MASTER mode 40 to 60 C 55 to 90 C 5 3 75 1 5 4 x 5 32 Dia mounting holes F
5. Set Stop Bits to 1 11 Set Flow Control to Hardware 12 Click OK 13 Click OK 14 Save settings 15 You now have an icon in Hyperterminal called SCADALINK ht that sets up your Com Port to communicate to the radio 16 Next time just double click on the SCADALINK ht icon you just created Using these settings on Hyperterminal you can access the terminal programming part of the radio If you choose to use a different terminal emulation software package please use the following settings Terminal Emulation VT100 Baud Rate 9600 Data Bits 8 Parity None Stop Bits 1 Bentek Systems Ltd 20 Issue V1 2 for SCA DA Link 900 MB 260 BI TECHNICAL NOTES CONFIGURATION Hardware Setup for Use with SCADALink 900MB Terminal Mode Connect the computer to the radio s RS 232 port Put Switch 8 on 1 in the up position Turn radio on The Tx and Rx LEDs should flash simultaneously You have 15 seconds to hit lt enter gt before the radio returns to regular mode Bentek Systems Ltd 21 Issue V1 2 for SCA DA Link 900 MB 260 CONFIGURE THE 900 MB IN POINT TO MULTIPOINT MODE IF A MASTER IS POLLING A NUMBER OF STANDALONE 900 MB SLAVES DEVICES COMMUNICATING THROUGH RS 485 vasten SCADALink OR RS 232 PORT D MASTER ae E User configuration is all done through Dip Switches CONFIG1 to CONFIG 4 located on the front of the 900 MB Settings are not recognized by the 900 MB until the power supply is
6. is supplied from the factory adjusted to 1 Watt output power This is the maximum transmitter output power allowed under and ISC regulations Regulations limit the effective isotropic radiated power EIRP to 6 dBw The EIRP is dependent on the transmit output power the antenna feeder loss and the antenna gain With 1 Watt output power antenna s with an isotropic gain of 6 dB are allowed assuming no feeder cable losses The total antenna gain minus the cable loss is not to exceed 6 dBw Bentek Systems Ltd 16 Issue V1 2 for SCA DA Link 900 MB 260 WARRANTY WARRANTY All SCADALink 900 MB modules come with a one year limited product warranty to the original purchaser covering defects in materials and workmanship under normal use and service BENTEK SYSTEMS LTD s entire liability and your exclusive remedy shall be at BENTEK option either the a repair or b replacement of the SCADALink 900 MB module which is returned to BENTEK SYSTEMS LTD freight prepaid with a copy of the purchase receipt If failure has resulted from accident abuse or misapplication BENTEK SYSTEMS LTD shall have no obligation to repair or replace In no event shall BENTEK SYSTEMS LTD be responsible for incidental or consequential damage caused by defects in its products whether such damage or is discovered before or after replacement or repair and whether or not such damage is caused by the negligence of BENTEK SYSTEMS LTD REPRESENTATION
7. nter the Modbus Address of the radio in hex 3 Do you wish to exit Terminal Configuration lt y Configuration Complete Exiting Terminal Mode Cycle Power to Enable Entries MODBUS I O The SCADALink 900 MB has 4 input analog or digital and 4 digital output channels that can be read or written using Modbus RTU protocol The SCADALink 900 MB Modbus address can set to values from 1 126 It will respond to commands sent over the radio in SLAVE radio mode or the local communications channel in MASTER radio mode With the address set to 0 the SCADALINK I O is disabled Bentek Systems Ltd 9 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION SCADALINK MODBUS RTU Protocol Compatibility The SCADALink 900 MB supports a subset of the Modbus RTU protocol The following table shows the command codes supported SUPPORTED MODBUS COMMANDS O Wrtesinge400xxregiter O Bentek Systems Ltd 10 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION MODBUS Registers The following tables shows Modbus register mapping for at each SCADALink 900 MB MODBUS MAPPING r C r gt L0 0 0 0 01 WACHWRIE PACKED DOUTI 4 4 4 38 1 SERIALNUMBERL 39 11 SERIAL NUMBER H 2 42 _ d 11 0 0 0 0 1 CONFIGIA 44 0 0 0 0 45 RSSI 16BIT P46 1 VOLTAGE 16BIT 4 9 VOLTAGE 10 90 0 0 0 01 1 PACKEDDIN 1
8. 6 MODBUS I O SCALING Register Scaling Engineering Units 1 1 4 30001 30004 0 32767 0 5 V 40051 40052 RSSI 40045 0 32767 SUPPLY VOLTAGE 40046 0 32767 0 30 V 22 2 C s 49 242 7 PACKED DIN1 16 40050 Bentek Systems Ltd 11 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION VO TERMINAL BLOCK PWR GND The SCADALINK 900 MB will operate at any voltage from 9 to 26V The higher the voltage the lower the current as shown in the following graph 900 MB SUPPLY VOLTAGE vs CURRENT B a o SLAVE CURRENT no transmissions MASTER CURRENT B o e o o o m e o o o CURRENT mA a o o o a o VOLTAGE V OUT1 4 These Outputs are open collector type outputs which are each capable of switching 0 25 but the combined capacity of all 4 outputs cannot exceed 0 5 A The switches have a common ground which is fused at 0 5A See Appendix B for typical output wiring IN1 4 These Inputs are high impedance with 100 K pulldowns to ground See Appendix B for typical input wiring Tie the input to a 9 26 source referenced to GND to provide ON state otherwise input is in OFF state Analog inputs are 0 5V DC inputs referenced to GND LINK This Output indicates that the slave radio is locked onto the master radio and the communications link is good It funct
9. A BENTEK SYSTEMS LTD SCADALink 900 MB gt 7 gt gt SCADA LINK lt gt o lt m Wireless Remote Controller Radiomodem USER MANUAL Issue V1 2 for SCADALink 900 MB Version 260 BENTEK SYSTEMS LTD 504 4274 Avenue S E Calgary Alberta T2G 1Y6 Tel 403 243 5135 Fax 403 243 5165 31175 1089 West Broadway Vancouver BC V6H 1E5 Tel 604 732 7990 Fax 604 732 7771 CANADA TABLE OF CONTENTS WARNING nonse lien S lestie S SS 1 COMPLIANCE LS Mo Hm 2 SCADALINK FEATURES UI S sS au aan estas snoade enses o 3 SS Sy Xe EPI E UR PUR E EN pe ER 3 SCADALINK DATA INTEGRITY 2 1 1 16 1 60 neenon een enano raten pasen ah A aD ea tne nennen nera 3 SCADALINK COMMUNICATIONS iii cs oes l HH eet Erde Ee erre POR ERE PORE 3 4 INITA L SETUP reri 4 NOD TIGNA 5 10 8 are factory preset use i e ep ert eit o tha rete hit e te 5 6 CONFIG 4 dye ste eap ce Uses 7 TERMINAL PROGRAMMING
10. FIG1 up and pressing the ENTER key While in Terminal Mode both the Rx and Tx LEDs flash simultaneously This indicates to the user that the radio may be configured by computer terminal rather than by following the switch settings The radio waits 15 seconds for the ENTER key to be pressed For Instructions on how to connect to the radio using Terminal Mode consult the documents in Appendix A Most features available on with the 4 config switches are available through menus in the terminal programming mode When switch 8 CONFIG1 is up and 15 second startup has elapsed the radio will operate as per the terminal configuration Switches settings are over ridden at this point Setting switch 48 on CONFIG1 down lets the switch settings override the terminal programming NOTE FOR radio to make use of terminal settings in memory CONFIG 1 bit 8 must be ON IF CONFIG1 Bit 8 is down radio will follow settings from switches on radio and ignore settings made in memory Advanced Terminal Configuration This is the highest configuration level available and offers a table of choices to change the hopping code The hopping code that is selected in this menu is stored into memory and is what is used for operation of the radio after Terminal mode is exited regardless of whether switch 8 of 1 is set or not It also allows the user to enter a new value in the table provided there is not already 16 values in the table The user nee
11. IN LAST STATE 3 PRIMARY PORT RS 485 RS 232 RADIO MODE RADIO MASTER RADIO SLAVE 5 BUFFER PACKET TRANSPARENT SS BAUD RATE 0 o P 9 26v DC REFERENCED TO SCADALink GND LINK 2 mz 4 5 7 FUNCTION DRIVING lor o or ore or or wowows INTERPOSING DRIVING OFF OFF OFF OFF OFF OFF OFF OFF NO MODBUS RELAY INTERPOSING or Or Orr or OFF oN MBADDRESS T OUTPUTS CAPABLE OF 250mA MAX INPUTS 1 4 CAN BE EACH EITHER ANALOG OR SHOWS 1 2 WIRED AS ANALOG AND I P 3 amp 4 WIRED AS DIGITAL BENTEK SYSTEMS LTD Switch Settings and I O Layout EE Calgary AB T2G 1Y6 COMPANY DRAWN BY DRAWING No Tel 403 243 5135 DATE Oct 20 98 SCADALIDK ee SCADI O 260 Fax 403 243 5165 SCALE LOCATION CHECKED BY OUTPUT DRIVING 1V LIOIG 1V LIOIG 9O IVNV 9GAS 0 9O IVNV 9GAS 0 RS 485 Connector Pinout RS 232 Connector Pinout SCADALink SCREW TERMINAL SCADALink FRONT VIEW DB9 FEMALE TX TX RX GND PIN FUNCTION 1 DCD 2 RX 3 TX 4 DTR 5 SIGNAL GROUND 6 7 8 DSR RTS CTS Two Wire RS 485 Connection SCADALink RX e Rt RX TX e Signal Ground o SG RX TX RX TX Device 1 Device
12. SB when on board is being used Leave all off to Modbus address TITLE 30 6 98 SP A n ae LTD SCADALink Point to Multipoint Configuration 5 4L REV DA MO YR DESCRIPTION i DATE July 30 98 COMPANY SCADALink DRAWN BY DRAWING No SCAD Fax 403 243 5165 SCALE NTS LOCATION CHECKED BY CONFIGURE THE 900 IN O END TO END TELEMETRY MODE IF AN I O WIRELINE REPLACEMENT IS REQUIRED Analog or Digital inputs on one side become Analog or Digital outputs on the other side SCADALink SCADALink INPUT 900 MB 900 MB User configuration is all done through Dip Switches CONFIG 1 to diri SLAVE OUTPUT CONFIG 4 located on the front of the 900 MB Settings are not recognized by the 900 MB until the power supply is reset Please refer to engineering drawing SCADI O from the SCADALink 900 MB manual for complete description of DIP Switches NOTE Serial Communication is still functional in End to End Telemetry mode CONFIG 1 Switch 1 and 2 select 1 of 4 Frequency Groups 900 MB s will only establish radio communications with other 900 MB s if they have the same frequency group set NOTE Ensure that both 900 MB s being used in End to End Telemetry system set to the same Frequency Group otherwise they will not communicate with each other CONFIG 2 Leave off if unused Currently only used as a channel enable if a SCADALink single channel Analog Adapte
13. SC Changes or modifications not expressly approved by BENTEK SYSTEMS LTD could void the user s authority to operate the equipment Bentek Systems Ltd 2 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION SCADALINK FEATURES SCADALink TECHNOLOGY BENTEK SCADALink 900 MB devices employ frequency hopped spread spectrum technology to provide optimum performance under present FCC and ISC regulations These devices are virtually immune to interference since they provide the interference and range benefits of a narrow band receiver while utilizing the entire 902 928 MHz band The radio frequency hop pattern is pseudo random in nature and each frequency is used for 65 msec before hopping to the next one This hop sequence repeats approximately every 4 sec The SCADALink 900 MB is designed to operate specifically in the 902 928 MHz band Many manufacturers have designed their ISM band equipment to operate in an ideal environment which the unlicensed bands are not The SCADALink 900 MB radios are designed to co exist with all other radios legally allowed in these bands and will generally outperform most other systems currently available Independent frequency groups allow 4 systems to co exist with no overlap in frequencies Many more units can co exist in one location with a slight penalty in response time SCADALink DATA INTEGRITY SCADALink 900 MB products are designed for industrial applications Every effort has been made to ensure that data
14. convention up 1 OFF down 0 Bentek Systems Ltd 4 Issue V1 2 for SCADA Link 900 MB 260 OPERATION CONFIG 1 Bits 1 amp 2 select one of four frequency groups Bits 3 to 7 are factory preset Bit 8 selects Terminal Mode CONFIG 1 DIP SWITCH Bree FACTORY amta TERMINAL Freq ap2 OFE ON SET MODE ACTIVE Heggp3 ON OF FEGULAR ON ON OZOMAOSV MODE ACTIVE ig CONFIG 1 DIP SWITCH Bit 7 is used to select between 0 20mA 0 5V and 4 20mA 1 5V After changing the setting the power must be cycled for the new setting to take effect Bit 8 is used to set the radio in either terminal mode or regular mode This bit must be set ON to access terminal programming functions and must remain set ON in order for those settings to be followed If Bit 8 is set to OFF the radio s operating parameters will only follow the switch settings Bit 8 is set to ON the radio will only follow the parameter settings which are programmed into memory using the terminal CONFIG 2 Bits 1 to 8 are factory preset Bentek Systems Ltd 5 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION CONFIG 3 LINK TIME OUT Selects the amount of time since the last Modbus Poll of the SCADALink 900 MB Modbus enabled before a Link Time out is declared When declared the LINK output on the SCADALink 900 MB will go low and all para
15. ds a seed value in order for this new value to be programmed This value can only be obtained from Bentek Systems Ltd Bentek Systems Ltd Advanced Terminal Configuration Choose one of the following codes default ID CODE gt Current Hopping Code of radio No Change 12EE 23FF 2300 1900 0030 0338 0000 Custom Entry m oU OQ UJ wo 0 Q N EB O Enter Choice 0 H 1 Use 0 to make no changes and leave e Select a listed number letter for choice Use H for Custom Hopping Code entry Bentek Systems Ltd 8 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION Terminal Configuration This is the lowest configuration level available and all existing functionality via switches can be changed here Future functionality features will be made available here Bentek Systems Ltd Terminal Configuration Choose the Number of Data Bits 1 7 Data Bits 2 8 Data Bits 2 Choose the Parity 1 None 2 7 3 099 1 Choose the Number of Stop Bits 1 1 Stop Bit 2 2 Stop Bits 1 Choose the Baud Rate 1 1200 2 2400 3 4800 4 9600 5 19200 4 Choose Handshaking Configuration 3 1 None RTS as DTE Full as DTE Full as DCE 0 20mA 0 5V Counts 4 20mA 1 5V Counts 4 20mA 1 5V Percentage 2 3 4 gt Choose Input Configuration 1 1 2 3 gt
16. er interface baud rates are supported These baud rates do not affect the radio transmission rates CONFIG 3 DIP SWITCH BIT X LNKTMEOU 10 105 RADIOMASTER RADIOSLAVE ES NEM BUFFER PACKET TRANSPARENT 6 BIT PPARITY STOP Bentek Systems Ltd 6 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION CONFIG 4 NO MODBUS In this mode the SCADALINK acts as a standard packetized radio modem The parallel Inputs and Outputs are unused The Link output is still active This configuration permits maximum throughput when used as a serial modem MODBUS ADDRESS Any switch setting for 2 8 other than all 1 s or all 0 s is treated as a MODBUS RTU address 1 126 are allowable MODBUS addresses END TO END The end to end configuration enables inputs on the master radio to be mapped to outputs on the slave radio and inputs on the slave radio to be mapped to outputs on the master radio The end to end will work when the radios are used in a point to point mode ie only 1 slave radio for each master radio FUTURE Reserved for future expansion CONFIG 4 DIP SWITCH 8 FUNCTION LE NOMODBUS NO MODBUS ON MODBUS ADDRESS 1 MODBUS ADDRESS 2 ON MODBUS ADDRESS 126 END TO END I O E se V FUTURE Don t Care Bentek Systems Ltd 7 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION TERMINAL PROGRAMMING Terminal mode is activated by having switch 48 on CON
17. free It does not measure the level of signals in channels which have interference and is therefore a very accurate measurement of signal strength of only the desired signal over the full 26 MHz operating bandwidth To use this output one needs only to connect a dc voltmeter and read the voltage directly It can be seen from the graph below that for signal levels from 100 dBm to 40 dBm the voltage changes almost exactly 20 dB per volt At about 2 0 V the signal strength is approximately 100 dBm One should generally set up a system such that the received signal strength is greater than or equal to this level The system will still remain operational for an additional 10 dB drop in signal level 1 5 V to provide a reasonable fade margin The following graph can be used to give an approximate correlation of Signal Strength readings to Receive Signal Strength RSSI SIGNAL STRENGTH 1 Series1 Signal Strength dbm 1 5 2 2 5 3 3 5 4 Voltage V NOTE The RSSI can be read remotely from the master radio if the SCADALink 900 MB is in Modbus mode Bentek Systems Ltd 15 Issue V1 2 for SCA DA Link 900 MB 260 ANTENNA SYSTEM ANTENNA SYSTEM AND CONNECTORS The SCADALINK 900 MB Transceiver comes with a 2 foot long antenna pigtail that adapts the chassis mount MCX connector to a BNC Male connector The user will connect the antenna feedline via this connector The SCADALINK 900 MB Transceiver
18. ions electrically like OUT 1 4 If slave radio looses communication for more than 20 seconds the output goes high It will return to pull low if communications is restored A pull to good indicates good communications SPECIAL Used for future expansion Bentek Systems Ltd 12 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION SERIAL PORTS RS232 PORT The RS 232 port is a 9 pin DB 9 female connector which conforms to DCE functionality 5 4 3 2 1 Gnd DTR TxD RxD DCD V O O O O O O O Voc 9 8 7 6 NC CTS RTS DSR RS 232 DCE FUNCTIONALITY PIN FUNCTION 1 DOD Folow Link Status NotUsed GROUND 1 22 j ull 8 08 CTS OKtosend e 9 Nouse 1 3 Wire Interface RS 232 port can be used wire mode GND without any handshaking CTS Handshaking CTS handshaking can be used for flow control between the DTE and the SCADALink On power up the CTS signal is active once the buffer is almost full the CTS signal is pulled low to signal the DTE to stop transmitting Generally used for file transfer operation SCADALink buffer is 4K RS485 PORT The RS 485 port is a half duplex port which supports both 2 wire and 4 wire RS 385 communications The port uses a quick disconnect screw terminal connector Tx Rx Gnd 4 d pov 00000 Voooo Bentek Systems L
19. its 8 Screws 06 Anodized Aluminum 2 Pcs 9 2 Oz 960 grams 110 dBm to maintain synchronization 2 km with Omni Directional Antennas 5 km with Yagi antennas SERIAL COMMUNICATIONS RS 232 9 pin DB 9 Female DCE standard RS 485 2 Wire or 4 Wire Half Duplex 1200 2400 4800 9600 19 200 optional 10e 6 BER at 104 dBm without error correction Interface Data Rates Data Format Asynchronous N 8 1 or E 7 1 Flow Control RTS CTS or None Bit Error Rates Protocol Modbus RTU PARALLEL INPUTS OUTPUTS Interface Quick disconnect screw terminal Base Inputs DI AI 4 Analog Discrete inputs Discrete 0 26 V Analog 0 5 V DC Outputs DO 4 Open Collector to GND 0 25 Amp each Link Status Open Collector to GND Special Reserved for future expansion Bentek Systems Ltd 18 Issue V1 2 for SCADA Link 900 MB 260 TECHNICAL NOTES CONFIGURATION APPENDIX A TECHNICAL NOTES CONFIGURATION Bentek Systems Ltd 19 Issue V1 2 for SCA DA Link 900 MB 260 TECHNICAL NOTES CONFIGURATION Hyperterminal Settings for Use with SCADALink 900MB Terminal Mode Select Start gt Programs gt Accessories gt Hyperterminal Run Hypertrm exe Choose an icon and make a name called SCADALINK Click OK Click Connect using Select DIRECTtoCom1 or whichever Com Port you wish to use Click OK Click the Configure Button Set Bits per Second to 9600 Set Data Bits to 8 Set Parity to None 10
20. llel outputs will default to either OFF or MAINTAIN LAST STATE depending on the condition of the FAIL MODE switch setting FAIL MODE On a LINK TIME OUT the parallel outputs can be selected to either MAINTAIN LAST STATE or be turned OFF In either case the LINK output will always turn OFF PRIMARY PORT Both RS 232 and RS 485 ports are available on the SCADALINK 900 MB unit However only one of the two serial ports may be used for serial communications over the radio The remaining port can be used as a local Modbus port RADIO MODE In any system one radio must always set to MASTER mode All other radios in the system will be configured as SLAVES MASTER and SLAVE radios in the same system must have the same hop sequence id and must be set to the same frequency group To synchronize the hopping sequences the SLAVE always derives its timing from the MASTER SLAVE radios can only communicate to the MASTER radio not between themselves BUFFER TRANSPARENT Transmission starts as soon as a character is received and continues until the buffer is clear Used for file transfer or ASCII based communication protocols PACKET Used for Modbus RTU protocol Transmission of characters starts after 4 character pause in the data string occurs and continues until the entire packet has been sent BIT PARITY STOP Determines the characteristics of both the RS 232 and the RS 485 ports Radio transmission characteristics are not affected BAUD 4 us
21. over the link is secure and fail safe In addition to CRC 16 error checking a number of self checking features have been implemented A special output on all SCADALink 900 MB transceivers LINK indicates the status of the radio link and provides a fail safe means of shutting down remote equipment in the event of a failure in the link SCADALink COMMUNICATIONS The SCADALink 900 MB supports serial communications in either RS 485 or RS 232 mode The SCADALink 900 MB has 4 digital or analog inputs and 4 digital outputs for remote control purposes which can be read or written to using Modbus RTU protocol Bentek Systems Ltd 3 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION INITIAL SETUP OPERATION The SCADALink 900 MB can be completely configured using the DIP switches on the front of the unit or by a terminal via the RS 232 port The diagram below shows the switch designations 1 5 485 RS 232 SCADA LINK 900 MB CONFIG1 28888888 STATUS Riv NES lt RX CONFIG2 99988888 O sa Tx lt m CONFIG3 88888888 O as SIGNAL am CONFIG4 85888888 TO 5 g e E oe De The following sections describe how to set up the DIP switches in each of 4 switch banks config 1 config 4 All 4 switch banks comprise of 8 bits labeled bit 1 to 8 starting from the left hand side of the switch bank Switch position
22. r is connected to an input or output CONFIG 3 switches 1 2 3 5 6 7 8 as appropriate for your system requirements one 900 MB to be the master switch 4 on and the other 900 MB as a slave switch 4 off NOTE Ensure one 900 MB is set as a master and the other as a slave 2 masters cannot communicate with each other and 2 slaves cannot communicate with each other Serial communications is still functional in End to End Telemetry mode CONFIG 4 Set all switches on except switch 1 to configure for I O End to End Telemetry mode TITLE 2 30 6 98 SP BENTEK SYSTEMS LTD SCADALink End to End Telemetry Configuration T s EE REV DAMONR DESCRIPTION 2 E DAT July 30 98 COMPANY SCADALink DRAWN BY JW DRAWING No SCAD Fax 403 243 5165 SCALE NTS LOCATION CHECKED BY ee SYSTEM DRAWINGS APPENDIX B SYSTEM DRAWINGS Bentek Systems Ltd 22 Issue V1 2 for SCA DA Link 900 MB 260 TYPICAL WIRING DIP SWITCH SETTINGS CONFIG 1 RS 232 DCE PINOUT 22222 Lope e DCD RXD FREQ OFF OFF RS 232 TXD 4 20 1 5 MODE GND RS 485 900 MB RTS 0 20mA 0 5V MODE CTS FREQ4 ON ON ACTIVE TS Erea on ow LINK CONFIG 2 Q p QO N a STATUS FIG 1 T2545 67 6 ON BITS 1 8 ress SET FIGS CONFIG 3 254567 SIGNAL a FUNCTION on FUNCTION NACE LINK TIMEOUT 120 SEC 10 SEC 2 FAIL MODE DEFAULT OFF MAINTA
23. reset Please refer to engineering drawing SCADI O from the SCADALink 900 MB manual for complete description of DIP Switches CONFIG 1 ME Switch 1 and 2 select 1 of 4 Frequency Groups 900 MB s will SLAVE only establish radio communications with other 900 MB s if they have the same frequency group Program different Frequency groups only when you need to isolate one SCADALink system from another one operating in the same area i e a repeater application SCADALink 900 MB CONFIG 2 Leave all off if unused PEU Currently only used as a channel enable if a SCADALink single channel Analog Adapter is connected to an input or output CONFIG 3 switches 1 2 3 5 6 7 8 as appropriate for your system requirements i e switch 3 in off position if RS 232 port is used as primary port the 900 MB at the host master site as a master switch 4 on and set the 900 MB s at the Remote sites as slaves switch 4 off NOTE Excluding a Repeater configuration there SCADALING vem should only be one master in any system Slave 900 MB s LANE i oe E ME cannot communicate with other slave 900 MB s When configuring a Repeater at the Repeater site two 900 it MB s are connected back to back via RS 232 or RS 485 and 5 one is set as a master and the other as a slave See drawing 2 CONFIG 4 Leave all off if unused REPEATER CONFIGURATION Assign Modbus address to radio switch 8 is L
24. rface Strain Relief Split Hose and To Radio Enclosure Vulcanizing tape to seal ANTENNA CABLE ANTENNA CABLE To Radio Enclosure N MALE CONN Bolted N FEMALE CONN LIGHTNING to ARRESTER panel N FEMALE CONN N MALE CONN 4 SCADALink TITLE ET LTD Antenna Installation Details Typical i REV DA MO YR DESCRIPTION Calgary AB T26 1Y6 DRAWN BY a me DATE June 11 97 COMPANY SCADALink KDR DRAWING No SCADANT Fax 403 243 5165 SCALE LOCATION CHECKED BY 5 Pin Wiring Terminal Block 3 9 16 90 mm 2 1316 5 32 Dia 4 mm To fit 8 Screws 12 Pin Wiring Terminal Block BENTEK SYSTEMS LTD pen SCADALink 900 MB Mounting Dimensions REV DA MO YR DESCRIPTION Calgary AB T2G 1Y6 DATE July 9 97 COMPANY wen JW DRAWING No Tel 403 243 5135 403 243 5165 SCADdim SCALE LOCATION CHECKED BY
25. td 13 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION LED INDICATORS RED STATUS LED MASTER MODE solid light indicates the unit is active and is hopping through its frequency band A slow flashing pattern indicates low power supply voltage SLAVE MODE solid light indicates that the unit is locked and tracking a MASTER A slow flashing light indicates the unit is functioning normally but has not locked onto a MASTER or that the power supply voltage is low Note If SCADALink frequency band is changed the next time the SCADALink is powered up it will have to recalculate its hopping sequence This takes approximately five seconds during which the STATUS LED will be off GREEN RX LED TERMINAL MODE A constantly flashing Rx LED flashing simultaneously with the TX LED indicates the radio is in Terminal Mode REGULAR MODE Indicates that data is being received over the radio link GREEN TX LED TERMINAL MODE A constantly flashing TX LED flashing simultaneously with the RX LED indicates the radio is in Terminal Mode REGULAR MODE Indicates that the unit is transmitting data over the radio link Bentek Systems Ltd 14 Issue V1 2 for SCA DA Link 900 MB 260 OPERATION RECEIVED SIGNAL STRENGTH INDICATOR RSSI SIGNAL STRENGTH This is a voltage output which gives an indication of the received signal strength This indication is derived by measuring the signal strength in the channels which it has received error
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