Highway Addressable Remote Transducer
Contents
1. 8 2 2 2 RS 232 Interface To a Single HDI Board esee nennen enne nne 10 2 2 3 Configuring Multiple HDI Assemblies into a Single 33XX Master esee 11 2 2 3 1 Multiple HDI Boards Configured for RS 485 Operation essen 11 2 2 3 2 Multiple HDI Boards Configured for RS 232 13 Section 3 SPECIFICATIONS 3 1 HART COMMUNICATION PROTOCOL PARAMETERS FOR PHYSICAL LINK ry P Er er er E GR ID FR ER LOU RT VIR eaters 15 3 2 HART DEVICE IMPEDANCE SPECIFICATION sess 15 3 3 HART DEVICE POWER SUPPLY REQUIREMENTS essere 15 3 4 PHASE SHIFT SPECIFICATION 1 isti etet E Ee ESSERE O E EES E 15 3 5 PERFORMANCE SPECIFICATION enne nennen nennt entren nennen enne tenens 15 3 6 ENVIRONMENTAL SPECIFICATION 16 SUPPLEMENTS Special Instructions for Class I Division 2 Hazardous Locations Appendix A REFERENCE DOCUMENTS Note These documents are not provided in this manual BBI HART MASTER PROTOCOL MANUAL ie Frais tirer REA EE B D4068 BBI ACCOL REFERENCE MANUAL peter SIR D4044 HART FSK PHYSICAL LAYER SPECIFICATION HART Communication Foundation Document Number eee HCF S2. TITLE Highway Addressable Remote Transducer Device Interface for Instruction Manuals CI 3305 CI 3310 CI 3330 amp CI 3335 Product Information Package ISSUE DATE JAN 2003 COMMENT COMPLAINT Mail this page to Bristol Babcock Inc 1100 Buckingham Street Watertown CT 06795 Attn Technical Publications Group Dept 315 U S A Locations Northern Region Bristol Babcock Inc 1100 Buckingham Street Watertown CT 06795 Phone 860 945 2381 Fax 860 945 2525 NorthernUS Q bristolbabcock com Helicoid Instruments 1100 Buckingham Street Watertown CT 06795 Phone 860 945 2218 Fax 860 945 2213 jmcgrail bristolbabcock com International Affiliates Canada Bristol Babcock Canada 234 Attwell Drive Toronto Ont M9W 5B3 Canada PH 416 675 3820 FAX 416 674 5129 info bristolbabcock ca Calgary Office Bristol Babcock Canada 3812 Edmonton Trail N E Calgary Alberta T2E 5T6 Canada PH 403 265 4808 FAX 403 233 2914 janetI bristolbabcock ca Southwest Region Bristol Babcock Inc 2000 Governor s Circle Suite F Houston TX 77092 8731 Phone 713 685 6200 Fax 713 681 7331 SouthwestUS bristolbabcock com Dallas District Office Bristol Babcock Inc 777 South Central Expressway Suite 1 C Richardson TX 75080 Phone 972 238 8197 Fax 972 238 8198 dallas bristolbabcock com Mexico BBI S A de C V
3. 3 3 HART DEVICE POWER SUPPLY REQUIREMENTS DESCRIPTION VALUE Maximum Ripple 47 to 125 Hz Maximum Noise 500 Hz to 10 KHz Maximum Series Impedance 500 Hz to 10 KHz 3 4 PHASE SHIFT SPECIFICATION The maximum phase shift for the master or slave at 1200 and 2200 Hz input frequencies is 45 degrees 3dB 0 707 attenuation Each device in the loop and the loop wire must be considered for capacitance and resistance 3 5 PERFORMANCE SPECIFICATION HDI Communications Interface RS 232 485 Interface switch selectable HART Device Interface Current Input Device PIP HART33XX Page 13 HART Device Interface 3 5 PERFORMANCE SPECIFICATION Continued FSK Modem Bell 202 Compatibility 1200 Hz 2200 Hz Modulation Power Consumption RS 232 9V 35 57mA 28V 17 9mA RS 485 9V 42 66mA when receiving 28V 20 09mA when receiving 3 6 ENVIRONMENTAL SPECIFICATIONS Temperature Operating 40 to 70 40 to 152 Storage 40 to 85 C 40 to 185 F Relative Humidity 15 9596 non condensing Vibration 1G for 10 150 Hz 0 5G for 150 2000 Hz RFI Susceptibility 10V Meter 20M Hz to 500MHz PIP HART33XX Page 14 HART Device Interface HART Device Interface Special Instructions for Class I Division 2 Hazardous Locations 1 The BBI Highway Addressable Remote Transducer HART Device Interface HDI is listed by Underwriters Laboratories UL as nonincendive and is suitable for use in Cl
4. i Energy Technology HIGHWAY ADDRESSABLE REMOTE TRANSDUCER HARTG DEVICE INTERFACE Part No 392930 01 3 For Models 33XX For The Following BBI Instruction Manuals 3305 3310 1 3330 amp CI3335 5 1 ET e ius EIE ii EH EN ait iens 8 i 9 mi v EN mH mmi RT g 4 Bristol Babcock Product Information Package P P HART33XX January 2003 NOTICE Copyright Notice The information in this document is subject to change without notice Every effort has been made to supply complete and accurate information However Bristol Babcock assumes no responsibility for any errors that may appear in this document Request for Additional Instructions Additional copies of instruction manuals may be ordered from the address below per at tention of the Sales Order Processing Department List the instruction book numbers or give complete model number serial or software version number Furnish a return address that includes the name of the person who will receive the material Billing for extra copies will be according to current pricing schedules HARTS is a registered trademark of the HART Communication Foundation Austin Texas USA ACCOL is a trademark of Bristol Babcock Other trademarks or copyrighted products
5. 44 0 1562 746721 enquiries bristol babcock com Communications Technology Group Bristol Babcock Inc 317 S North Lake Blvd Suite 1016 Altamonte Springs FL 32701 Phone 407 629 9464 Fax 407 629 2106 orlandoRFgroup bristolbabcock com Australia Bristol Babcock Inc 22 Hastie St PO Box 1987 Banbury Western Australia 6230 PH 61 0 8 9791 3654 FAX 61 0 8 9791 3173 dtrench bdsa com au This page provides links that allow you to return to a manual s Table of Content T O C or return to the first page of the Main Menu Links are provided by selecting the appropriate Link Text Box Select the Appropriate Link Text Box Return to the T O C Return to the Main Menu
6. most distant HDI board End Node and placed in position 2 3 Disabled for all other nodes RS 485 Receiver Positive Bias position 1 2 Enabled position 2 3 Disabled Jumper W4 should be placed in position 1 2 for the most distant HDI board End Node and placed in position 2 3 Disabled for all other nodes RS 485 Receiver Negative Bias position 1 2 Enabled position 2 3 Disabled Jumper W5 should be placed in position 1 2 for the most distant HDI board End Node and placed in position 2 3 Disabled for all other nodes Page 11 HART Device Interface Jumper W6 In position 1 2 Enabled places a 120 ohm termination resistor across the RS 485 transmit lines Jumper W6 should be placed in position 1 2 for the most distant HDI board End Node otherwise in position 2 3 Disabled Jumper W7 In position 1 2 to Enable the Status LEDs or in position 2 3 to disable them Jumper W8 In position 1 2 Connected places a 249 ohm loop resistor into the Power Supply loop for 4 20 mA Current Loop Transmitters In position 2 3 for a HART voltage output slave device 2 2 3 2 Multiple HDI Boards Configured for RS 232 Operation When configured for RS 232 operation no more than one HDI board may be used in conjunction with a single 33XX Port Each 33XX Port can support a group of up to fifteen 15 HART or five 5 3508 slave devices If a single 33XX device must communicate with multiple groups the HDI board associated
7. Ejercito Nacional No 718 4 Piso Colonia Polanco Mexico D F 11560 Mexico PH 52 555 254 5281 FAX 52 555 254 3408 Mexico bristolbabcock com Villahermosa Office BBI S A de C V Av Plomo No 2 Bodega No 1 Ciudad Industrial Villahermosa Tabasco 86010 Mexico PH 52 993 353 3142 FAX 52 993 353 3145 bbivsa prodigy net mx Bristol Babcock PART OF THE K FKI GROUP OF COMPANIES 1100 Buckingham Street Watertown CT 06795 Phone 860 945 2200 Fax 860 945 2213 Website www bristolbabcock com Western Region Bristol Babcock Inc 1609 South Grove Avenue Suites 106 amp 107 Ontario CA 91761 Phone 909 923 8488 Fax 909 923 8988 WesternUS bristolbabcock com Southeast Region Bristol Babcock Inc 317 S North Lake Blvd Suite 1016 Altamonte Springs FL 32701 Phone 407 740 7084 Fax 407 629 2106 SoutheastUS Q bristolbabcock com Sales Office New Mexico Bristol Babcock Inc 906 San Juan Blvd Suite A Farmington NM 87401 Phone 505 320 5046 Fax 505 327 3273 NewMexUS bristolbabcock com United Kingdom Bristol Babcock Ltd Vale Industrial Estate Stourport Road Kidderminster Worcestershire DY11 7QU United Kingdom PH 44 0 1562 820001 FAX 44 0 1562 746721 enquiries bristol babcock com Middle East Bristol Babcock Ltd Vale Industrial Estate Stourport Road Kidderminster Worcestershire DY11 7QU United Kingdom PH 44 0 1562 820001 FAX
8. damages resulting from breach of any agreement relating to items included in this quotation from use of the information herein or from the purchase or use by Buyer its employees or other parties of goods sold under said agreement How to return material for Repair or Exchange Before a product can be returned to Bristol Babcock for repair upgrade exchange or to verify proper operation form GBU 13 01 must be completed in order to obtain a RA Return Authorization number and thus ensure an optimal lead time Completing the form is very important since the information permits the Bristol Babcock Repair Dept to effecti vely and efficiently process the repair order Y ou can easily obtain a RA number by A FAX Completing the form GBU 13 01 and faxing it to 860 945 3875 A BBI Repair Dept representative will return call or other requested method with a RA number B E MAIL Accessing the form 13 01 via the Bristol Babcock Web site www bristolbabcock com and sending it via E Mail to brepair bristolbabcock com A BBI Repair Dept representative will return E Mail or other requested method with a RA number C Mail Mail the form GBU 13 01 to Bristol Babcock Inc Repair Dept 1100 Buckingham Street Watertown CT 06795 A BBI Repair Dept representative will return call or other requested method with a RA number D Phone Calling the Repair Department at 860 945 2442 A BBI Repair Department repre
9. mentioned in this document are for information only and belong to their respective companies or trademark holders Copyright c 2003 Bristol Babcock 1100 Buckingham St Watertown CT 06795 No part of this manual may be reproduced in any form without the express written permission of Bristol Babcock IMPORTANT READ INSTRUCTIONS BEFORE STARTING Be sure that these instructions are carefully read and understood before any operation is attempted Improper use of this device in some applications may result in damage or injury The user is urged to keep this book filed in a convenient location for future reference These instructions may not cover all details or variations in equipment or cover every possible situation to be met in connection with installation operation or maintenance Should problems arise that are not covered sufficiently in the text the purchaser is advised to contact Bristol Babcock for further information EQUIPMENT APPLICATION WARNING The customer should note that a failure of this instrument or system for whatever reason may leave an operating process without protection Depending upon the application this could result in possible damage to property or injury to persons It is suggested that the purchaser review the need for additional backup equipment or provide alternate means of protection such as alarm devices output limiting fail safe valves relief valves emergency shutoffs emergency switches etc If
10. 0 years Bristol has been providing innovative solutions for the measurement and control industry Our product lines range from simple analog chart recorders to sophisticated digital remote process controllers and flow computers all the way to turnkey SCADA systems Over the years we have become a leading supplier to the electronic gas measurement water purification and wastewater treatment industries On off shore oil platforms on natural gas pipelines and maybe even at your local water company there are Bristol Babcock instruments controllers and systems running year in and year out to provide accurate and timely data to our customers Getting Additional Information In addition to the information contained in this manual you may receive additional assis tance in using this product from the following sources Contacting Bristol Babcock Directly Bristol Babcock s world headquarters are located at 1100 Buckingham Street Watertown Connecticut 06795 U S A Our main phone numbers are 860 945 2200 860 945 2213 FAX Regular office hours are Monday through Friday 8 00AM to 4 30PM Eastern Time excluding holidays and scheduled factory shutdowns During other hours callers may leave messages using Bristol s voice mail system Telephone Support Technical Questions During regular business hours Bristol Babcock s Application Support Group can provide telephone support for your technical questions For technical qu
11. 0mA current sourced transmitters or to a single HART voltage output slave device as shown in Figure 8 3 Configure the 33XX Port in question for RS 232 operation see the HART Master Protocol Manual Document D4068 if HART operation is required or the ACCOL II Reference Manual Document D4044 when interfacing to a 3508 transmitter Connect the port in question to J1 of the HDI board see Table 1 for HDI J1 designations see Figure 6 for 33XX RS 232 cable designations HART Device 33XX g 5 GND RTS 5 GND RTS o RXD CTS 6 TXD g CTS Figure 6 33XX RS 232 Cable POWER m HARTSLAVE SUPPLY _ a 1 21 2 ES 33XX HDI leap HARTSLAVE RS 232 INRS 232 RE 42 14 A J NC Loop Resistor 249 ohm X _ 4 N HARTSLAVE 15 Figure 7 Hart Slaves Transmitters with 4 20 mA Current Source Connected to 33XX via HDI Board in RS 232 Mode PIP HART33XX Page 9 HART Device Interface 4 Set the HDI board Jumpers as follows Jumper W1 RS 232 Mode stored in position 1 or 2 Enabled Jumper W2 In position 2 3 Enabled for 3508 Mode 10 millisecond delay In position 1 2 Disabled for all except 3508 Mode Jumper W3 In position 2 3 Disabled Jumper W4 In position 2 3 Disabled Jumper W5 In position 2 3 Disabled Jumper W6 In position 2 3 Disabled Jumper W7 In positio
12. 232 SIGNAL SIGNAL DESCRIPTION DCE Transmit Data NOT 5 GND Gowd 9 9 6 CTS CleartoSend Output Table 2 Power amp RS 485 Interface Connector TB1 Signal Identification PIN NAME DESCRIPTION 6 TXD RXDatato33XX_ Table 3 Slave Device Field Connector TB2 Signal Identification PIN FIELD CONNECT Field Loop no polarity Field Loop no polarity Table 4 HDI Board Jumper Identification and Assignment JUMPER DESCRIPTION POS 1 2 POS 2 3 Install on RS 485 End Node W1 is a 2 position Jumper Installed RS 232 Disabled RS 485 Enabled Removed RS 232 Enabled RS 485 Disabled 1 4 2 HDI Board Status LEDs There are four status LEDs on the HDI Board LEDs CR14 through CR17 reflect the status of the active states of Transmit Data NOT TXD Receive Data NOT RXD Data Carrier Detect NOT DCD and Request to Send NOT RTS A logic 0 state of TXD or RXD will PIP HART33XX Page 8 HART Device Interface light CR14 or CR15 respectively The four LEDs can be disabled by placing jumper W7 in position 2 3 CR14 TXD Transmit Data NOT CR15 RXD Receive Data NOT CR16 DCD Data Carrier Detect NOT CR17 RTS Request to Send NOT 1 4 8 HDI Board Circuitry The HDI board has a built in 5V DC Switching Power Supply that is fused and operates from a bulk 9V to 30V DC A blocking diode protects the power supply circuitry from reversed
13. Calibration S N Reasonforreturn Failure Upgrade Verify Operation O Other 1 Describe the conditions of the failure Frequency Intermittent Physical Damage Environmental Conditions Communication CPU watchdog etc Attach a separate sheet if necessary 2 Comm interface used 0 Standalone RS 485 Ethernet Modem PLM 2W 4W SNW Other 3 What is the Firmware revision What is the Software amp version Part III If checking replaced for any question below check an alternate option if replacement is not available A If product is within the warranty time period but is excluded due to BBI s warranty clause would you like the product repaired returned replaced scrapped B If product were found to exceed the warranty period would you like the product returned replaced scrapped C If product is deemed not repairable would you like your product O returned replaced 0 scrapped D If BBI is unable to verify the discrepancy would you like the product returned replaced see below Continue investigating by contacting the customer to learn more about the problem experienced The person to contact that has the most knowledge of the problem is phone If we are unable to contact this person the backup person is phone Special Requests Ship prepaid to Bristol Babcock Inc Repair Dept 1100 Buckingham S
14. EORY The BBI HART Device Interface HDI provides for master slave communications with the master originating each transaction and slaves only generating replies when prompted by the master HART allows for 2 masters on a single link The Primary Master is the normal control system master and when required a hand held communicator can be used as the Secondary Master for maintenance purposes Primary and secondary masters must be configured to use separate addresses The BBI HDI board provides an RS 485 232 interface to a BBI 33XX DPC RTU Com munications Port and a two wire voltage sourced or current sourced connection to a HART device or to a BBI 3508 Twisted pair copper cable is used as the medium The HART Device Interface operates from 9 to 30 VDC bulk supply The assembly supports RS 232 or RS 485 interfaces to the host BBI 33XX DPC RTU The signals are TXD RXD CTS RTS and CD for RS 232 operations and TXD TXD RXD and RXD for RS 485 operation Interface to the field device is composed of a jumper selectable 249 ohm resistor in parallel with an AC coupled transformer FSK signal amplitude during transmission is between 400 to 600 mV with the average value of the FSK signal at 0 V The HDI board PIP HART33XX Page 1 HART Device Interface receiver input requires a signal that must be in the range of 120 mV to 1 5 V Peak to Peak FSK signals from the field devices below 80 mV Peak to Peak will be ignored by
15. I Assembly in a suitable location DIN Rail mounted Connect the power supply 9V to 30 DC to TB1 as follows Pin 1 Voltage Pin 2 Ground PIP HART33XX Page 10 HART Device Interface 2 Connect each HDI board to the HART slaves as shown in Figure 4 for 4 20mA current sourced transmitters or to a single HART slave device as shown in Figure 5 for a 12 to 45 VDC voltage output transmitter 3 Install a BBI NIB assembly at the 33XX in question Refer to the appropriate 33XX product manual for information on installing the NIB assembly 4 Configure the 33XX Port in question for RS 485 operation see the HART Master Protocol Manual Document D4068 and connect the port in question to TB1 of the HDI board see Table 2 for HDI TB1 designations see Figure 3 for 33XX D Type RS 485 desig nations 33XX RS485 with NIB POWER SUPPLY HDI HARTSLAVE IN RS485 x E 2 1 15 1 16 GROUPS OF SLAVEDEVICES HDI HARTSLAVE IN RS485 2j 1 15 Figure 9 Multiple HDI Assemblies Connected to Multiple Groups of HART Slaves 5 Set the HDI board Jumpers as follows Jumper W1 Jumper W2 Jumper W3 Jumper W4 Jumper W5 PIP HART33XX Installed RS 485 Mode Enabled In position 1 2 In position 1 2 Enabled places a 120 ohm termination resistor across the RS 485 receive lines Jumper W3 should be placed in position 1 2 for the
16. PEC 54 PIP HART33XX Page 0 1 Table Of Contents Section 1 INTRODUCTION 1 1 GENERAL INTRODUCTION Note HART is a registered trademark of the HART Communication Foundation of Austin Texas USA Any time the term HART is used hereafter in this document the term implies the registered trademark Highway Addressable Remote Transducer HART Device Interfaces HDI allows HART slave devices or BBI 3508 transmitters to communicate with a BBI Series 33XX DPC RTU 1 e 3305s 3310s 3330s and 3335s The HDI supports RS 232 and RS 485 interfaces The interface to the field devices is composed of a jumper selectable 249 ohm resistor in parallel with an AC coupled transformer An HART TIB ACCOL Custom Module and the con figuration of a host 33XX communications port as a custom port in HART mode are required to support the protocol Data Link Layer for HART devices The ACCOL Master Module is used to support RS 232 configured HDIs for communication with BBI 3508 trans mitters Each HDI can interface with up to 15 HART slave devices 1 2 FEATURES Selectable RS 232 or RS 485 Interface to DPC RTU Transformer Coupled Comm Interface to HART devices Operates from external 9 to 30 VDC power source Usable with both HART slave devices and BBI 3508 transmitters RS 232 RS 485 mode of communications is valid for HART slave devices RS 232 mode is valid for BBI 3508s e Conforms to HART FSK Physical Layer Specification 1 3 TH
17. PROMISES OR STATEMENTS HAVE BEEN MADE BY BRISTOL UNLESS ENDORSED HEREIN IN WRITING FURTHER THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THE FACE HEREOF No agent of Bristol is authorized to assume any liability for it or to make any written or oral warranties beyond those set forth herein REMEDIES Buyer s sole remedy for breach of any warranty is limited exclusively to repair or replacement without cost to Buyer of any goods or parts found by Seller to be defective if Buyer notifies Bristol in writing of the alleged defect within ten 10 days of discovery of the alleged defect and within the warranty period stated above and if the Buyer returns such goods to Bristol s Watertown office unless Bristol s Water town office designates a different location transportation prepaid within thirty 30 days of the sending of such notification and which upon examination by Bristol proves to be defective in material and workmanship Bristol is not responsible for any costs of removal dismantling or reinstallation of allegedly defective or defective goods If a Buyer does not wish to ship the product back to Bristol the Buyer can arrange to have a Bristol service person come to the site The Service person s transportation time and expenses will be for the account of the Buyer However labor for warranty work during normal working hours is not chargeable Under no circumstances will Bristol be liable for incidental or consequential
18. additional information is required the purchaser is advised to contact Bristol Babcock RETURNED EQUIPMENT WARNING When returning any equipment to Bristol Babcock for repairs or evaluation please note the following The party sending such materials is responsible to ensure that the materials returned to Bristol Babcock are clean to safe levels as such levels are defined and or determined by applicable federal state and or local law regulations or codes Such party agrees to indemnify Bristol Babcock and save Bristol Babcock harmless from any liability or damage which Bristol Babcock may incur or suffer due to such party s failure to so act ELECTRICAL GROUNDING Metal enclosures and exposed metal parts of electrical instruments must be grounded in accordance with OSHA rules and regulations pertaining to Design Safety Standards for Electrical Systems 29 CFR Part 1910 Subpart S dated April 16 1981 OSHA rulings are in agreement with the National Electrical Code The grounding requirement is also applicable to mechanical or pneumatic instruments that include electrically operated devices such as lights switches relays alarms or chart drives EQUIPMENT DAMAGE FROM ELECTROSTATIC DISCHARGE VOLTAGE This product contains sensitive electronic components that can be damaged by exposure to an electrostatic discharge ESD voltage Depending on the magnitude and duration of the ESD this can result in erratic operation or complete failur
19. ass I Division 2 Groups A B C and D hazardous locations or nonhazardous locations only Read this document carefully before installing a nonincendive BBI HART Device Interface In the event of a conflict between the HART Device Interface User Manual PIP HART33XX and this document always follow the instructions this document 2 Wiring must be performed in accordance with Class I Division 2 wiring methods as defined in Article 501 4 b of the National Electrical Code NFPA 70 for installations within the United States or as specified in Section 18 152 of the Canadian Electrical Code for installation in Canada 3 WARNING EXPLOSION HAZARD Substitution of components may impair suitability for use in Class I Division 2 environments 4 WARNING EXPLOSION HAZARD When situated in a hazardous location turn off power before servicing replacing the unit and before installing or removing I O wiring 5 WARNING EXPLOSION HAZARD Do Not disconnect equipment unless the power has been switched off or the area is known to be nonhazardous 07 21 2000 Appendix of PIP HART33XX HDI Page 1 of 1 READER RESPONSE FORM Please help us make our documentation more useful to you If you have a complaint a suggestion or a correction regarding this manual please tell us by mailing this page with your comments It s the only way we know we re doing our job by giving you correct complete and useful documentation DOCUMENT NUMBER
20. ce 4mA x 249 x Field Devices 4m A x Field devices x Wire Resistance 2Vloop 20V This calculation implies that the maximum number of trans mitters which require a minimum of 12V to operate in a loop is 10 when the wire resistance 1s not included The power supply voltage must exceed 24V if more than 10 trans mitters are to be connected in parallel Note The maximum number of transmitters that can be connected in parallel is not to exceed 15 Field devices with a maximum ID number of 15 cannot be mixed with field devices with a maximum ID number of 2 4 2 1 1 HART Slave Devices The Carrier On Delay and Carrier Off Delay as specified in the HART Foundation Data Link Layer specification states that the delay from an idle line to from an acceptable signal level is 5 bit times maximum For HDIs configured for RS 232 communications mode the carrier On delay will be met but the off delay may exceed the 5 bit time requirement but the delay will be less than 12 bit times HART slave devices are required to send a minimum of 5 preambles The 20C12 FSK Modem located on the HDI board will output receive data within 9 to 15 milliseconds after the transmit cycle is completed At 1200 baud one character time is 11 x 0 833 milliseconds or 10 milliseconds The slave device will start to transmit the preamble one character time after the end of the last character sent from the master device The total delay from the end of the last characte
21. cuitry enables the CMOS switch to the transformer and disconnects the receive signal to the FSK modem s receiver The 20C12 FSK modem operates at Bell 202 standards with a 460 8 KHz clock The modulated CMOS digital signal from the 20C12 is scaled to a constant 0 6V level via a transformer drive circuit that provides a constant output signal with varying loads The transformer drive circuit is isolated from the output transformer with a CMOS switch This switch 1s only closed during transmission cycles The received FSK signal is routed through a doubler and bandpass filter to the FSK modem A CMOS switch disconnects the filtered signal from the input of the FSK receiver during transmit cycles The field side of the transformer is AC coupled with a 2 2 uF capacitor to the field devices and to a jumper selectable 249 ohm load resistor RS 232 and RS 485 signals are transorb protected from surge transients and electo static discharge ESD PIP HART33XX Page 5 HART Device Interface Section 2 CONFIGURATION amp CONNECTIONS 2 1 RESTRICTIONS amp ASSUMPTIONS For multidrop configurations the field devices are placed in a digital mode of operation with the loop current for the device set at 4mA or less The input impedance of the master in receive mode is 249 ohms The maximum number of field devices that can be placed in parallel with a 24V supply is determined by the following equation Max of Field devices 24V V Field devi
22. e of the equipment Read BBI supplemental document 514006 for proper care and handling of ESD sensitive components Bristol Babcock 1100 Buckingham Street Watertown CT 06795 Telephone 860 945 2200 WARRANTY Bristol warrants that goods described herein and manufactured by Bristol are free from defects in material and workmanship for one year from the date of shipment unless otherwise agreed to by Bristol in writing Bristol warrants that goods repaired by it pursuant to the warranty are free from defects in material and workmanship for a period to the end of the original warranty or ninety 90 days from the date of delivery of repaired goods whichever is longer Warranties on goods sold by but not manufactured by Bristol are expressly limited to the terms of the warranties given by the manufacturer of such goods warranties are terminated in the event that the goods or systems or any part thereof are i misused abused or otherwise damaged ii repaired altered or modified without Bristol s consent iii not installed maintained and operated in strict compliance with instructions furnished by Bristol or iv worn injured or damaged from abnormal or abusive use in service time THESE WARRANTIES ARE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION WARRANTIES AS TO MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND NO WARRANTIES EXPRESS OR IMPLIED NOR ANY REPRESENTATIONS
23. estions about TeleFlow products call 860 945 8604 For technical questions about ControlWave call 860 945 2244 or 860 945 2286 For technical questions regarding Bristol s OpenEnterprise product call 860 945 2501 or e mail openenterprise bristolbabcock com For technical questions regarding ACCOL products Open BSI Utilities as well as Bristol s Enterprise Server Enterprise Workstation products call 860 945 2286 For technical questions about Network 3000 hardware call 860 945 2502 You can e mail the Application Support Group at bsupport bristolbabcock com The Application Support Group maintains an area on our web site for software updates and technical information Go to www bristolbabcock com services techsupport For assistance in interfacing Bristol Babcock hardware to radios contact Bristol Babcock s Communication Technology Group in Orlando FL at 407 629 9463 or 407 629 9464 Telephone Support Non Technical Questions Product Orders etc Questions of a non technical nature product orders literature requests price and delivery information etc should be directed to the nearest sales office listed on the rear cover or to your Bristol authorized sales representative A list of Please call the main Bristol Babcock number 860 945 2200 if you are unsure which office covers your particular area Visit our Site on the World Wide Web For general information about Bristol Babcock and its prod
24. input power conditions Except for the Power Supply the major components of the HART Device Interface board are shown in the block diagram Figure 2 There are independent RS 232 and RS 485 transceivers which are jumper selectable A 120 ohm biasing resistor is jumper selectable for the RS 485 transmit lines A 120 ohm terminator and biasing resistors are jumper selectable for the RS 485 receive lines D 15485 232 RTS TXD ED P 20C 12 RCVR X DCD DCD IERM RX BANDPASS RS485 FILTER Be aC Roos RS232 SWITCH SELECT RTS232 3508 DRIVE RTS CTS CTS 85232 iid SC 10MSEC XCENVER DELAY DCD DCD 3508 HART XFO RM ER 249 OHM J UMPER Figure 2 Block Diagram of BBI HDI Board PIP HART33XX Page 4 HART Device Interface When the HDI 1s configured to communicate with slave devices which support the HART protocol and the communication mode between the HDI and the 33XX device is RS 232 CTS NOT is asserted 100 microseconds after RTS NOT becomes valid In the RS 485 mode RTS NOT is generated by a 1 to transition of TXD For BBI 3508 applications in RS 232 mode a 10 millisecond RTS NOT to CTS NOT delay is selected to emulate the existing TIB design The added combination of RTS232 NOT and RTS485 NOT enables the 20C12 FSK modem s transmit cir
25. n 1 2 to Enable the Status LEDs or position 2 3 to disable them Jumper W8 In position 1 2 Connected places a 249 ohm loop resistor into the Power Supply loop for 4 20 mA Current Loop Transmitters In position 2 3 for a HART voltage output slave device POWER SUPPLY Md b 33XX HDI ft RS 232 INRS 232 TB2 i ae Ba Loop Resistor Out bw Figure 8 Hart Slaves Transmitters with 12 to 45 VDC Voltage Source Connected to 33XX via HDI Board in RS 232 Mode 2 2 3 Configuring Multiple HDI Assemblies into a Single 33XX Master 2 2 3 1 Multiple HDI Boards Configured for RS 485 Operation When configured for RS 485 operation more than one HDI board may be used in conjunction with a single 33XX Port to support multiple groups 1 to 15 slave devices interfaced to a single HDI board of HART slave devices When so configured the 33XX port as well as the HDI boards must be configured for RS 485 communications Figure 9 shows an example of such a network configured for RS 485 operation Depending on the type of transmitter the HDI board will be configured for Current Source or Voltage Source as described earlier This configuration requires the use of a BBI Network Interface Box at the 33XX Note The maximum length of an RS 485 cable should not exceed 4000 feet Follow steps 1 through 5 below to configure multiple HDI assemblies for RS 485 HART inter face operation 1 Install each HD
26. ngle HDI assembly for RS 485 HART inter face operation 1 Install the HDI Assembly in a suitable location DIN Rail mounted Connect the power supply 9V to 30 DC to TB1 as follows Pin 1 Voltage Pin 2 Ground 2 Connect the HDI board to the HART slaves as shown in Figure 4 for 4 20mA current sourced transmitters or to a single HART slave device as shown in Figure 5 for a 12 to 45 VDC voltage sourced transmitter 3 Configure the 33XX Port in question for RS 485 operation see the HART Master Protocol Manual Document D4068 and connect the port in question to TB1 of the HDI board see Table 2 for HDI TB1 designations see Figure 3 for 33XX D Type RS 485 designations Note With existing 33XX firmware the HDI board will not communicate with a 8508 TELETRANS when configured for RS 485 operation RXD RXD TXD TXD Figure 3 33XX RS 485 D Type Port Assignment 4 Set the HDI board Jumpers as follows Jumper W1 RS 232 Mode in position 1 2 Disabled Jumper W2 In position 1 2 Disabled for all except 3508 Mode Jumper W3 In position 1 2 Enabled places a 120 ohm termination resistor across the RS 485 receive lines Jumper W4 RS 485 Receiver Positive Bias position 1 2 Enabled Jumper W5 RS 485 Receiver Negative Bias position 1 2 Enabled Jumper W6 In position 1 2 Enabled places a 120 ohm termination resistor across the RS 485 transmit lines Jumper W7 In position 1 2 to Enable
27. r sent from the master to valid receive data is 25 milliseconds Since there is a 1 character delay from the HART module the receive communications driver will synchronize on the third preamble at the latest The receive communications driver for the HART ACCOL module requires one preamble before the start of data For the RS 485 mode the off delay will be between 12 to 18 milliseconds This is equivalent to 2 characters The 20C12 FSK Modem takes 9 to 15 milliseconds to assert Carrier Detect CD and valid data The total delay is 33 milliseconds The slave device will delay 1 character time which is 9 milliseconds The difference is 33 9 2 23 8 milliseconds This is about 2 6 characters Two valid preambles will be seen by the receive communications driver for the HART ACCOL module which is sufficient before the start of data 2 1 2 3508 Smart Transmitters In the RS 232 communications mode the HDI can operate properly with 3508 transmitters The 10 millisecond RTS CTS delay must be selected PIP HART33XX Page 6 HART Device Interface With existing 33XX firmware the HDI will not communicate with 3508 TELETRANS when configured in the RS 485 communications mode A programmable length preamble is required 2 2 CONFIGURING A SINGLE HDI BOARD 2 2 1 RS 485 Interface To a Single HDI Board see Figures 3 4 amp 5 Note The maximum length of an RS 485 cable should not exceed 4000 feet Follow steps 1 through 4 below to configure a si
28. sentative will record RA number on the form and complete Part then send the form to the Customer via fax or other requested method for Customer completion of Parts 11 amp 111 A copy of the completed Repair Authorization Form with issued RA number should be in duded with the product being returned This will allow us to quickly track repair and return your product to you Bristol Babcock Inc Repair Authorization Form Providing this information will permit BBI to effectively and efficiently process your return Completion is required to receive optimal lead time Lack of information may result in increased lead times Date RA SH Line No Standard Repair Practice is as follows Variations to thisis Please be aware of the Non warranty standard charge practice may be requested in the Special Requests section e There is a 100 minimum evaluation charge which is e Evaluate Test Verify Discrepancy applied to the repair if applicable V in returned e Repair Replace etc in accordance with this form B C or D of part III below e Return to Customer Part I Please complete the following information for single unit or multiple unit returns Address No office use only Address No office use only Bill to Ship to Purchase Order Contact Name Phone Fax E Mail Part II Please complete Parts II amp for each unit returned Model No Part No Description Range
29. the Status LEDs or position 2 3 to disable them PIP HART33XX Page 7 HART Device Interface Jumper W8 In position 1 2 Connected places a 249 ohm loop resistor into the Power Supply loop for 4 20 mA Current Loop Transmitters In position 2 3 for a voltage output slave device POWER TT HARTSLAVE SUPPLY NE EE 1 NL 33XX HDI 5 7 HARTSLAVE RS 485 INRS 485 182 8 2 14 A N Loop Resistor 249 ohm Pd P HARTSLAVE 15 Ng E Figure 4 Hart Slaves Transmitters with 4 20 mA Current Source Connected to 33XX via HDI Board in RS 485 Mode POWER SUPPLY Hs d M SNC 33XX HDI Bu ME TB2 HARTSLAVE RS 485 INRS 485 Loop Resistor Out Dn Figure 5 Hart Slave Transmitter with 12 to 45 VDC Voltage Source Connected to 33XX via HDI Board in RS 485 Mode PIP HART33XX 8 HART Device Interface 2 2 2 RS 232 Interface To a Single HDI Board see Figures 6 7 amp 8 Follow steps 1 through 4 below to configure a single HDI assembly for RS 232 interface operation Note The maximum length of an RS 232 cable should not exceed 25 feet 1 Install the HDI Assembly in a suitable location DIN Rail mounted Connect the power supply 9V to 30 DC to 1 as follows Pin 1 Voltage Pin 2 Ground 2 Connect the HDI board to the HART slaves as shown in Figure 7 for 4 2
30. the inter face board 1 4 HDI DESCRIPTION The HART Adapter Interface Board is assembled in a DIN Rail Mounting Assembly This assembly measures 5 56 long by 4 37 in high by 1 06 deep In addition to 8 selectable jumpers and 4 status LEDs the HDI Board contains three connectors see Figures 1 amp 10 1 4 1 HDI Board Connectors J1 a9 Pin D Type Connector for the RS 232 Interface see Table 1 TB1 a 6 Point Term Block for the RS 485 Interface and the Input Power see Table 2 TB2 a 2 Point Terminal Block for Slave Device Field Connections see Table 3 Figure 1 HART Device Interface Assembly PIP HART33XX Page 2 HART Device Interface Table 1 RS 232 Interface Connector J1 Signal Identification PIN RS
31. treet Watertown CT 06795 Phone 860 945 2442 Fax 860 945 3875 Form GBU 13 01 Rev A Bristol Babcock Training GET THE MOST FROM YOUR BRISTOL BABCOCK INSTRUMENT OR SYSTEM e Avoid Delays and problems in getting your system on line e Minimize installation start up and maintenance costs e Make the most effective use of our hardware and software e Know your system Transducer to Manifold Dielectric Isolation Kit Multivariable Transducer Dielectric Gasket amp Flange Seals 2 m Valve Block X Manifold T SH S Top Washers 4 ce 7 2 V Dielectric Bolt Sleeves 4 4 Bottom Washers 4 Mounting Bolts 4 As you know a well trained staff is essential to your operation Bristol Babcock offers a full schedule of classes conducted by full time professional instructors Classes are offered throughout the year at four locations Houston Birmingham Orlando and our Watertown CT headquarters By participating in our training your personnel can learn how to install calibrate configure program and maintain any and all Bristol Babcock products and realize the full potential of your system For information or to enroll in any class contact our training department in Watertown at 860 945 2269 For Houston classes you can also contact our Houston office at 713 685 6200 A Few Words About Bristol Babcock For over 10
32. ucts please visit our site on the World Wide Web at www bristolbabcock com Training Courses Bristol Babcock s Training Department offers a wide variety of courses in Bristol hardware and software at our Watertown Connecticut headquarters and at selected Bristol regional offices throughout the year Contact our Training Department at 860 945 2269 for course information enrollment pricing and scheduling PIP HART33XX HIGHWAY ADDRESSABLE REMOTE TRANSDUCER HART DEVICE INTERFACE TABLE OF CONTENTS SECTION TITLE PAGE Section 1 INTRODUCTION 1 1 GENERAL INTRODUCTION tret E iet e EE RUE FRE 1 1 2 FEATURES 1 1 3 THEORY PEE 1 14 HIDE DESCRIPTION Paru IP Eee E 2 1 4 1 HDI Board Connectors 5 niece edet HE CIR HE RE RENS 2 1 4 2 HDI Board Status LEDS 2 nere terre dri e e uh Tee edges 3 1 4 3 HDI enr Equine nnan Eero aa eA OE aA AS ERER ONS ES ERS 4 Section 2 CONFIGURATION amp CONNECTIONS 2 1 RESTRICTIONS amp ASSUMPTIONS 7 2 1 1 HART Slave Devices 1 ric erint eise t pueda dba pee ese Seg E pues eese Puce dapes se tende edet eee dyes ds 7 2 1 2 3508 Smart Transmitters sterii nini NAN dui EN ein 7 2 2 CONFIGURAING A SINGLE HDI BOARD eere 8 2 2 1 RS 485 Interface To a Single HDI
33. with each group must be wired to a discrete 33XX Port i e a Port dedicated to the HDI board and group in question Depending on the type of transmitters each HDI board will be configured for Current Source or Voltage Source as described earlier 4 370 uiti mm o come EN mmm Tuer gal 5 1 a 9 6 ipei 8 Mage ABS a mii J moit TB2 Figure 10 HART Device Interface Assembly Dimensions PIP HART33XX Page 12 HART Device Interface Section 3 SPECIFICATIONS 3 1 HART COMM PROTOCOL PARAMETERS FOR PHYSICAL LINK DESCRIPTION VALUE Min 400 mV Master Transmitted Signal Max 600 mV p p Min 0 8 m p p Slave Transmitted Signal Max 1 2 mA p p Maximum Slave Signal Converted by a 1100 ohm load 1320 mV p p Receiver Sensitivity must receive correctly 120 mV to 2 0 V p p Receiver Sensitivity must ignore 80 mV p p 3 2 HART DEVICE IMPEDANCE SPECIFICATION DEVICE DESIGNATION VALUE Primary Master Including Shunt Impedance Rx 230 1100 ohms Load Resistor Max Source Impedance Tx 700 ohms Re ee Master Min Shunt Impedance Rx 5 Kohms x Max Source Impedance Tx 100 ohms Slave Device Min Shunt Resistance 100 Kohms Maximum Shunt Capacitance 5000 pF Min Shunt Impedance 10 Kohms Miscellaneous Devices Total Max
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