USER MANUAL - GMI
Contents
1. XMT RCV XMT XMT Figure 3 Daisy chain wiring for Model 2086 Series host and slaves 9 4 3 CONNECTION TO THE RS 232 INTERFACE The Model 2086 Series is configured as a modem DCE Once you have properly configured the Model 2086 Series and connected the twisted pair wires correctly simply plug the Model 2086 Series directly into the DB 25 DTE port of the RS 232 device Remember to insert and tighten the two captive connector screws Note If you must use a cable to connect the Model 2086 Series to the RS 232 DTE device make sure it is a straight through cable of the shortest possible length we recommend 6 feet or less 4 4 4 Wire Connection Using Terminal Blocks If you purchased the Models 2086M or 2086F you will need to open the case to access the terminal blocks The following instructions will tell you how to open the case connect the bare wires to the termi nal blocks and fasten the strain relief collar in place so that the wires won t pull loose 1 If the case is not already open open it now by twisting it open with a small plastic screwdriver 2 Strip the outer insulation from the twisted pairs about one inch from the end 3 Strip back the insulation on each of the 2 twisted pair wires about 25 inch 4 Place the cable through the end plate and make a small loop in the cable and feed the cable under the tie wrap which is cur rently installed in2. assess XMT RCV XMT GND nuls RCV T anita GND N C Connection to ground is optional RJ 11 RJ 45 In most modular RS 485 applications it is necessary to use cross over cable The diagram below shows how a cross over cable should be constructed for an environment where both the Model 2086 Series and the RS 485 device use a 6 wire RJ 11 connector Similar logic should be followed when using RJ 45 connectors or a combina tion of the two MODEL 2086 Series RS 485 DEVICE SIGNAL PIN RS 485 SIGNAL GND ee N C RCV en 4 XMT B paint Beeches 5 RCV A Pair 2 XMT 2 RCV B RCV nn 3 XMT A GND eT N C 4 1 2 2 WIRE CONNECTION Most RS 485 devices employ a two wire half duplex configuration When using this configuration be sure to first set the Model 2086 Series to two wire mode then use only the transmit XMT pair as shown on the following page 2086 Series SIGNAL RS 485 SIGNAL The above wiring pattern applies regardless of whether you are making the RS 485 connection via RJ 11 or RJ 45 For specific wiring instructions please refer to the previous page of Section 4 4 2 WIRING FOR MULTIPOINT CIRCUITS The Model 2086 Series supports multi point applications using either a star or daisy chain topology Both topologies require special wiring as well as specific DIP switch settings fo
3. each other This can be operated in either HDX or FDX depend ing on the setting of JP4A Switch S1 RTS Control When Switch S1 is in the On position the DTE input signal RTS Pin 4 is used to control the transmitter of the Model 2086 Series In this mode when RTS is high the 2086 Series transmits data from the RS 232 port to the RS 485 port S1 On Off Switch S2 and S4 must be OFF position when Switch S1 is ON Setting RTS Controls the Transmitter RTS Control is OFF 5 Switch S2 DTR Control When Switch S2 is in the ON position the DTE input signal DTR Pin 20 is used to control the transmitter of the Model 2086 Series In this mode when DTR is high the 2086 Series transmits data from the RS 232 port to the RS 485 port Switches 51 and S4 must be OFF position when Switch S2 is ON S2 Setting On DTR Controls the Transmitter Off DTR Control is OFF Switch S3 Reserved Switch S3 is reserved for future use and must remain in the OFF position Switch S4 Transmitter Control When Switch S4 is in the OFF position the input of RTS or DTR controls whether the unit can send data based on the configuration of switch S1 and S2 In this setting and when in the appropriate signal is high the 2086 Series can transmit data from the RS 232 port to the RS 485 port When S4 is ON the 2086 Series transmitter is always enabled 54 Setting On Constant Transmitter Off Transmitter is controlled by RTS or DTR 3 2 JUMPER CO
4. is no ON OFF switch 12 APPENDIX A PATTON ELECTRONICS MODEL 2086 SERIES SPECIFICATIONS Transmission Format Asynchronous Data Rate Up to 115 200 bps Range 4 000 feet RS 232 Interface RS 485 Interface Options Transmit Line Transmit Mode Control Signals Optical Isolation Power Temperature Humidity Size DB 25 female male RJ 11 RJ 45 jack or Terminal Block 2 4 wire unconditioned twisted pair 4 wire full or half duplex 2 wire half duplex DSR turns ON immediately after the terminal raises DTR 2500Vrms Uses 5 regulated power supply provided 0 to 50 C 5 to 95 non condensing 3 8 x 2 1 x 0 8 13 APPENDIX B PATTON ELECTRONICS MODEL 2086 SERIES RS 232 PIN CONFIGURATIONS DIRECTION DCE Female SETTING DIRECTION To Model 2086 DCD Data Carrier Detect SG Signal Ground DSR Data Set Ready CTS Clear to Send RTS Request to Send RD Receive Data TD Transmit Data FG Frame Ground Data Term Ready DTR 20 8 A 6 5 4 3 1 From Model 2086 From Model 2086 From Model 2086 To Model 2086 From Model 2086 To Model 2086 PATTON ELECTRONICS MODEL 2086 Series RS 485 PIN CONFIGURATIONS RJ 11 SIGNAL RJ 45 SIGNAL GND N C RCV GND Sinnen ROV XMT XMT RCV XMT GND RCV Diii GND N C C
5. Model 2086 Series supports asynchronous RS 232 data rates to 115 2 Kbps over one or two unconditioned twisted pair The Model 2086 Series can handle up to 32 terminal drops in a multipoint polling environment Carrier may be set to constantly on or controlled by RTS or controlled by DTR and the unit operates with out echo The Model 2086 Series is equipped with a DB 25 for the RS 232 connection Options for twisted pair connection include RJ 11 RJ 45 or Terminal Block 2500Vrms optical isolators provide isolation between the RS 232 and RS 485 interfaces 3 0 CONFIGURATION The Model 2086 Series is configured using a four position DIP switch and two headers Figure 1 below shows the location of the DIP Switch and the two headers on the board DIP SWITCH JP4 E aes s ex 1234 OFF gt Power E Figure 1 Top View of Model 2086 Series board showing Dip switch and jumpers JP3 3 1 DIP SWITCH CONFIGURATION The DIP switches control the transmit receive signals on the Model 2086 Series The table below shows the default configuration of the switches Following the default table is a chart showing the different switch and jumper combinations that the Model 2086 Series has to offer Also included in this section is a description of the switches DIP SWITCH DEFAULT SETTING TABLE Default Position Function Switch Function S1 RTS Control off no RTS co
6. NFIGURATION Jumper straps JP3 and JP4 are used to control two wire four wire half duplex full duplex operation and receive impedance respectively INTERFACE CARD STRAP SUMMARY TABLE Strap Function ON Off JP3A 2 Wire 4 Wire Mode 2 Wire 4 Wire JP3B 2 Wire 4 Wire Mode 2 Wire 4 Wire JP4A Half Duplex Half Duplex Full Duplex JP4B Impedance 120 Ohm 12K Ohm NOTE Default Settings shown in bold italics 4 0 INSTALLATION Once you have properly set the configuration switches and jumpers you are ready to connect the Model 2086 Series to your system This section tells you how to properly connect the Model 2086 Series to the RS 485 and RS 232 interfaces and how to operate the Model 2086 Series 4 1 CONNECTION TO THE RS 485 INTERFACE To function properly the Model 2086 Series must have one or two twisted pairs of metallic wire These pairs must be dry unconditioned metallic wire between 19 and 26 AWG the higher number gauges may limit distance For your convenience the Model 2086 Series is available with either an RJ 11 jack or RJ 45 jack 4 1 1 4 WIRE CONNECTION USING RJ 11 OR RJ 45 The RJ 11 and RJ 45 connectors on the Model 2086 Series RS 485 side are pre wired for a standard TELCO wiring environment The signal pin rela tionships are shown below RJ 11 SIGNAL RJ 45 SIGNAL GND N C RCV D reped GND M RCV usati XMT
7. USER MANUAL MODEL 2086 Series Optically Isolated RS 232 to RS 485 Interface Converter PATTON Ba FlectronicsTo ISO Parti eee SALES OFFICE Doc 055051U j Revised 05 11 99 301 975 1000 Fabi TECHNICAL SUPPORT 301 975 1007 An ISO 9001 http www patton com Certified Company 1 0 WARRANTY INFORMATION Patton Electronics warrants all Model 2086 Series components to be free from defects and will at our option repair or replace the product should it fail within one year from the first date of shipment This warranty is limited to defects in workmanship or materials and does not cover customer damage abuse or unauthorized modifi cation If this product fails or does not perform as warranted your sole recourse shall be repair or replacement as described above Under no condition shall Patton Electronics be liable for any damages incurred by the use of this product These damages include but are not limited to the following lost profits lost savings and incidental or consequen tial damages arising from the use of or inability to use this product Patton Electronics specifically disclaims all other warranties expressed or implied and the installation or use of this product shall be deemed an acceptance of these terms by the user 1 1 RADIO AND TV INTERFERENCE The Model 2086 Series generates and uses radio frequency ener gy and if not installed and used properly that is in strict accordance wit
8. h the manufacturer s instructions may cause interference to radio and television reception The Model 2086 Series has been tested and found to comply with the limits for a Class A computing device in accor dance with the specifications in Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection from such interfer ence in a commercial installation However there is no guarantee that interference will not occur in a particular installation If the Model 2086 Series does cause interference to radio or television reception which can be determined by disconnecting the RS 232 interface the user is encouraged to try to correct the interference by one or more of the fol lowing measures moving the computing equipment away from the receiver re orienting the receiving antenna and or plugging the receiv ing equipment into a different AC outlet such that the computing equipment and receiver are on different branches 1 2 CE NOTICE The CE symbol on your Patton Electronics equipment indicates that it is in compliance with the Electromagnetic Compatibility EMC directive and the Low Voltage Directive LVD of the Union European EU A Certificate of Compliance is available by contacting Technical Support 1 3 SERVICE All warranty and nonwarranty repairs must be returned freight pre paid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping con
9. ntrol of transmitter S2 DTR Control off no DTR control S3 Reserved off n a S4 Transmitter Control ON Constantly ON Transmission Mode RS 485 FDX Transmitter is always on SWITCH COMBINATION CHART 51 1 51 2 51 3 51 4 JP4A amp JP3B RTS Control DTR Control Reserved always off RS485 TX always ON off RS 485 FDX Transmitter is controlled by ON RS 485 FDX Transmitter is controlled by DTR off HDX 4 Wire controlled by RTS ON HDX 2 Wire controlled by RTS HDX 4 Wire controlled by DTR HDX 2 Wire controlled by DTR ON off off ON off off ON n a ON KEY 51 1 51 2 and 51 4 only one switch can be ON at any time The other two must be off It is recommended that you the user disconnect the model 2086 Series while changing configurations JPAA If this jumper is off only the RS 485 transmitter is controll ed by RTS or DTR If this jumper is ON both the RS 485 transmit ter and receiver are controlled by RST or DTR When the transmit ter is off the receiver will be ON and similarly when the transmit ter is ON the receiver is off JP3A amp JP3B Both jumpers or either On or off When the jumpers are ON the RS 485 transmitter and receiver are connected direct ly together This will only function in HDX When the jumpers are off the RS 485 transmitter and receiver are disconnected from
10. onnection to ground is optional RJ 11 RJ 45 00 4O 14 APPENDIX C PATTON ELECTRONICS MODEL 2086 SERIES LIST OF AVAILABLE MODELS DB25 REMOTE MODEL CONNECTOR CONNECTOR 2086M Male Terminal Block 2086F Female Terminal Block 2086MRJ45 Male RJ45 2086FRJ45 Female RJ45 2086MRJ1 1 Male RJ11 2086FRJ11 Female RJ11 2086M 230 Male Terminal Block 2086F 230 Female Terminal Block 2086MRJ45 230 Male RJ45 2086FRJ45 230 Female RJ45 2086MRJ1 1 230 Male RJ11 2086FRJ11 230 Female RJ11 NOTE The Models Codes that are BOLD are the international versions Copyright 1999 Patton Electronics Company All Rights Reserved 15
11. r units Note Refer to Section 3 0 for DIP switch settings 4 2 1 STAR TOPOLOGY Using a star topology you may connect several Model 2086 Series together in a master slave arrangement Maximum distance between the units will vary based upon the number of drops data rate wire gauge etc Call Technical Support for specific distance estimates Figure 2 below shows how to wire the two pair cables properly for a Model 2086 Series star topology Note that the ground connec tion is not needed HOST FIRST SLAVE SECOND SLAVE XMT 1 RCV EE S S S S ll A S I RCV XMT p RCV RCV RCV p XMT meme mme RCV XMT XMT Figure 2 Star wiring for Model 2086 Series host and slaves 4 2 2 DAISY CHAIN TOPOLOGY Using a daisy chain topology you may connect several Model 2086 Series together in a master slave arrangement Maximum dis tance between the units will vary based upon the number of drops data rate wire gauge etc Figure 3 below shows how to wire the two pair cables properly for a Model 2086 Series daisy chain topology Note that the ground connection is not needed HOST FIRST SLAVE OTHER SLAVE S XMT RCV RCV XMT RCV RCV RCV XMT
12. tain er This number may be obtained from Patton Electronics Technical Services at Tel 301 975 1007 Email support patton com www http www patton com NOTE Packages received without an RMA number will not be accepted Patton Electronics technical staff is also available to answer any questions that might arise concerning the installation or use of your Patton Model 2086 Series Technical Service hours 8AM to 5PM EST Monday through Friday 2 0 GENERAL INFORMATION Thank you for your purchase of this Patton Electronics product This product has been thoroughly inspected and tested and is warrant ed for One Year parts and labor If any questions or problems arise during installation or use of this product please do not hesitate to con tact Patton Electronics Technical Support at 301 975 1007 2 1 FEATURES Operates asynchronously point to point or multipoint over 2 or 4 wires Up to 32 multipoint device drops in a polling environment Data rates to 115 2 Kbps Passes transmit amp receive data Operates off 5V power supply Operates without echo Driver controlled as constantly on controlled by RTS or controlled by DTR Compact size 3 8 x 2 10 x 0 8 Twisted pair connection via strain relief RJ 11 or RJ 45 2500 Vrms Optical Isolation 2 2 DESCRIPTION The Model 2086 Series High Speed RS 232 to RS 485 Interface Converter provides exceptional versatility in a compact package The
13. the board When you have completed this assembly it should resemble figure 4 Connect one pair of wires to and XMT transmit positive and negative on the terminal block making careful note of which color is positive and which color is negative 10 LWX 9 A2u Figure 4 Model 2086M 2086F Terminal Block amp Cable Routing 5 Connect the other pair of wires to RCV and RCV receive positive and negative on both of the terminal blocks again making careful note of which color is positive and which is negative Ultimately you will want to construct a two pair cross over cable that makes a connection with the RS 422 485 device as shown below Models 2086M 2086F RS 422 485 Device SIGNAL TERMINAL BLOCK SIGNAL 5 RCV XMT TB 4 RCV RCV TB 1 XMT RCV TB 2 XMT 4 4 1 2 Wire Connection Using Terminal Blocks Most RS 485 devices employ a two wire half duplex configuration When using this configuration be sure to first set the Models 2086M 2086F to half duplex mode by switching DIP switches and jumpers refer to section 3 0 for this configuration then use only the transmit XMT pair as shown below Model 2086M 2086F RS 485 Device 11 4 5 OPERATING THE MODEL 2086 SERIES Once the Model 2086 Series is properly installed it should operate transparently as if it were a standard cable connection Operating power is derived from the RS 232 data and control signals there
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