IFC-FDC User Manual - Datainterfaces.com
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1. wae Me i an 5 eh p 5 N Ei hi Ih a N er alignment en gt hole 2 to al h 5 2 1 2 Rail Mounting Place the IFC FCD s bracket over the top rail of DIN rail Swing the unit into position 1 and snap the unit in place by placing a slight downward pressure 2 until the bottom of the bracket locks with the lower rail 4 Rail mounting the IFC FDC 11 Chapter 2 Installation 2 1 3 Rail Dismounting To remove the IFC FDC unit use a slight downward pressure 1 and release the lower rail from the IFC FDC s bracket Swing the unit out 2 and lift off and away from the DIN rail Rail dismounting the IFC FDC 2 2 Wall mounting To support wall mounting the IFC FDC must first have the wall mount bracket installed You may use the bracket as a template for locating and drilling if necessary the wall mounting holes prior to assembly After preparing the wall mount location attach the wall mount bracket to the IFC FDC as shown below Use the two provided flathead screws to attach the bracket to the outer two mounting holes The wall mount bracket is attached with two screws 12 Chapter 2 Installation 2 3 Electrical Installation The electrical signal and optical connections will be explained here The DC power alarm and RS 485 connections all use te2. IFC FDC IFC FDC E Industrial Fiber Converter union CTC UNION TECHNOLOGIES CO LTD LEGAL The information in this publication has been carefully checked and 1s believed to be entirely accurate at the time of publication CTC Union Technologies assumes no responsibility however for possible errors or omissions or for any consequences resulting from the use of the information contained herein CTC Union Technologies reserves the right to make changes n its products or product specifications with the intent to improve function or design at any time and without notice and is not required to update this documentation to reflect such changes CTC Union Technologies makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does CTC Union assume any liability arising out of the application or use of any product and specifically disclaims any and all liability including without limitation any consequential or incidental damages CTC Union products are not designed intended or authorized for use in systems or applications intended to support or sustain life or for any other application in which the failure of the product could create a situation where personal injury or death may occur Should the Buyer purchase or use a CTC Union product for any such unintended or unauthorized application the Buyer shall indemnify and hold CTC Union Technologies and its officers employees
3. subsidiaries affiliates and distributors harmless against all claims costs damages expenses and reasonable attorney fees arising out of either directly or indirectly any claim of personal injury or death that may be associated with such unintended or unauthorized use even if such claim alleges that CTC Union Technologies was negligent regarding the design or manufacture of said product TRADEMARKS Microsoft is a registered trademark of Microsoft Corp HyperTerminal 15 a registered trademark of Hilgraeve Inc WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference in which case the user will be required to correct the interference at his own expense NOTICE 1 The changes or modifications not expressively approved by the party responsible for compliance could void the user s authority to operate the equipment 2 Shielded interface cables and AC power cord if any must be used in order to comply with the emission limits CISPR PUB 22 Class A COMPLIANCE This device complies with EMC directive of the European Community and meets or
4. no DC power at PWR2 input DC power normal at PWR2 input There is no DC power at PWR1 input Configured in Slave mode Configured in Master mode Green Ring failure Ring OK i Fiber 2 has no link i Fiber 1 has no link Depends on the settings of DIP switch 1 2 amp 5 for alarm reporting 16 Chapter 3 Configuration and Operation 3 2 Operation The following examples are for reference and as an aid in understanding the operating modes and DIP switch selections of the IFC FDC converter 3 2 1 Two Unit Point to Point without fiber protection In the very simplest application a duplex fiber connects two IFC FDC units One unit is set as Master the other as Slave The RS 485 and RS 232 are completely isolated electrically A receive signal can only be connected to either the RS 485 terminal block or to the RS 232 DB9 not both at the same time That received signal will be transmitted simultaneously on every transmit connection both RS 485 and RS 232 In the example below the Master unit is receiving RS 485 serial signal The signal is repeated out of every other transmit pin RS 485 in RS 485 out 3 2 2 Two Unit Point to Point with fiber protection In the application with fiber protection two duplex fibers connect the two IFC FDC units One unit 15 set as Master the other as Slave The RS 485 and RS 232 are completely isolated electrically A receive signal can only be connected to
5. Chapter 2 Installation 2 4 RS 485 422 Connections The IFC FDC provides terminal connections for the twisted pair RS 485 interface wiring When using 4 wire RS 485 or RS 422 connect transmit and receive pairs as indicated in the table under 4 Wire Mode When using 2 wire RS 485 connect the single wire pair with the polarity indicated in the table under 2 Wire Mode 2 5 RS 232 Connections The IFC FDC uses a 9 pin D Sub female connector for RS 232 connections This D Sub connects to one RS 232 channel using only 3 wire by the standard pins 2 TD 3 RD amp 5 SG A second RS 232 channel uses non standard pin assignment utilizing the pins normally used for handshaking 7 RD 8 TD amp 5 SG 2 6 Fiber Connections The IFC FDC is available with fiber connectors for SC or ST and for multi mode or single mode fiber The fiber connections require duplex cables and proper adherence to connections for RX and TX The following table describes the attributes of the various transceivers available for the IFC FDC Type Power Sensitivity Budget SCorST 1310nm 0 5dBm 35dBm 30dB 60KM RS 232 LJ oe Co FIBER 1 FIBER 2 O Va r x x x SSF u BO 14 Chapter 3 Configuration and Operation Chapter 3 Configuration and Operation 3 1 Configuration 3 1 1 DIP Switch The IFC FDC uses a 6 pole DIP dual inline pac
6. either the RS 485 terminal block or to the RS 232 DB9 not both at the same time That received signal will be transmitted simultaneously on every transmit connection both RS 485 and RS 232 In the example below the Master unit is receiving RS 485 serial signal The signal is repeated out of every other transmit pin RS 485 in RS 485 out Master 17 Chapter 3 Configuration and Operation 3 2 3 Three or more units Daisy Chain In the application with three or more units in a daisy chain duplex fibers connect the IFC FDC units One unit is set as Master the others as Slave The RS 485 and RS 232 are completely isolated electrically A receive signal can only be connected to either the RS 485 terminal block or to the RS 232 DB9 not both at the same time That received signal will be transmitted simultaneously on every transmit connection both RS 485 and RS 232 In the example below Master unit is receiving RS 232 serial signal The signal 15 repeated out of every other transmit pin of every other interface RS 485 out Master 3 2 4 Three or more units Ring Topology RS 485 out 18 union www ctcu com T 886 2 2659 1021 F 886 2 2659 0237 E sales ctcu com RoHS
7. emperature ranges a standard 0 to 60 C commercial temperature range or an extended 40 to 75 C range IFC FDC E 1 2 1 Features Extends serial transmissions up to 2km 30km or 60km Supports fiber daisy chain or ring connections Redundant dual power inputs 12 24 48VDC Supports dual fiber link redundancy Supports RS 422 RS 485 2 4 wire and RS 232 transmission to dual fiber connections Enhanced serial baud rate up to 1024kpbs RS 422 485 or 230 4kbps RS 232 2 5K V isolation for serial signals Supports relay output for power or fiber link failure warning Hardened housing with IP30 protection Fan less and DIN Rail design for harsh industrial environments Adjustable pull high low resistor and terminator for RS 422 485 transmission 1 2 2 Specifications Optical Interface Connector SC or ST Fiber Optical data rate 50 000Mbps Fiber Optical line coding 4B5B NRZI Fiber Port Two fiber ports Fiber Type MM 2km or SM 30km 60km duplex fiber Wavelength MM 1310nm SM 1310 1550nm Point to Point Transmission Half or Full duplex Ring Transmission Half Full duplex self healing Electrical Interface Serial Connectors RS 422 RS 485 5 pin terminal RS 232 DB9 Female RS 485 4 2 wires RS 422 4 wires RS 232 3 wires RS 485 direction Automatic detection Copper Baud rate 50 up to 1024Kbps RS 422 485 230 4Kbps RS 232 CH1 115 2Kbps RS 232 CH2 Serial Isolation 2 5K V for serial signals Surge Protect
8. exceeds the following technical standard EN 55022 Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment This device complies with CISPR Class A WARNING This is a Class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures CE NOTICE Marking by the symbol CE indicates compliance of this equipment to the EMC directive of the European Community Such marking 15 indicative that this equipment meets or exceeds the following technical standards EN55022 Class A EN61000 4 2 ESD Level 3 EN61000 4 3 RS Level 3 EN61000 4 4 EFT Level 3 EN61000 4 5 Surge Level 3 EN61000 4 6 CS Level 3 CTC Union Technologies Co Ltd Far Eastern Vienna Technology Center Neihu Technology Park 8F No 60 Zhouzi St Neihu Taipei 114 Taiwan Phone 886 2 2659 1021 FAX 886 2 2799 1355 IFC FDC IFC FDC E Industrial Grade RS 485 RS 422 RS 232 Fiber Media Converter User Manual Version 1 0 November 16 2012 First Release This manual supports the following models IFC FDC IFC FDC E This document is the current official release manual Please check CTC Union s website for any updated manual or contact us by E mail at sales ctcu com Please address any comments for improving this manual or to point out omissions or errors to marketing ctcu com Thank you 2012 CTC Union Technologies Co Ltd All R
9. ights Reserved The contents of this document are subject to change without any prior notice Table of Contents CHAPTER INTRODUCTION seksere 7 MM 7 ERE 7 PITT 7 PENN fi 1 22 BD 8 1 27 TONO OPA eee 9 De AD DNS REE RE GEER 9 STN NNN NE 9 EL TRIST TAI DN GE 9 AI PN TN FU COW ens 10 CHAPTER 2 INSTALLA TION eee 11 2JI DINRALNONNGG a Panties eee nai iat dete canst uae aac state 11 BOT Vee 11 TM 11 1 DONNA Ne 12 ZN MENN 2 29 BERGTRICHT INS TALENT OE EEE EE EE EE EE tices 13 TD PN 13 AT GOLA RE EE EE EEE ET EE eae 13 2ERS 418 9 422 CONNECTION Sea ee ee ae EINE 14 D SONE ON ne EEE EEE EE EE een ace toon ea 14 216 FBRRC ONE NINE 14 CHAPTER 3 CONFIGURATION AND OPERATION ccccccsssssssccccccscccsccscscscsscccssscccccccscssscssssccssscscccssssssssscsscecs 15 PETE OE EE EEE EE RE EEE EEE 15 LIDE PP 15 PUTE Ne NE 16 9 19 EDDA Se E 16 92 OPERATION ren EE ee EE RE essen cae EE oe 3 2 1 Two Unit Point to Point without fiber 17 3 22 1W0 ONE Fom tor ori ST fiber POOR ee 17 525 Terne 18 Tree or more UNIS TINS Top 18 Table of Contents This page left blank intentionally li Chapter 1 Introduct
10. ion Chapter 1 Introduction 1 1 Welcome Thank you for purchasing our IFC FDC dual fiber port serial media converter This media converter is an industrial strength product that employs rugged mechanical materials and construction component selection for wide temperature highly reliable and long life operation and an electrical design that prevents internal damage or data disruption from surges power spikes or other electromagnetic interference 1 2 Product Description The IFC FDC Series are industrial grade fiber media converters that provide dual fiber connections to extend asynchronous RS 232 RS 485 or RS 422 serial transmissions over a distance of up to 2km using multimode fiber or up to 60km using single mode fiber The dual fiber inputs allow connecting multiple devices in a cascade or daisy chain fashion as well as creating ring architecture for fiber redundancy The converter s capable of selecting interface modes for connection to RS 232 3 wire RS 485 2 wire half duplex or RS 422 485 4 wire full duplex The IFC FDC Series secures asynchronous serial data transmissions over EMI resistant fiber at speeds up to 1024kbps IFC FDC Series media converters feature an alarm relay contact and two redundant DC power inputs The IFC FDC Series reliable industrial design is perfect for keeping your industrial automation applications running smoothly and continuously The IFC FCD Series media converters are available in two operating t
11. ion 8K V ESD for serial signals Pull High Pull Low selected by 10 position rotary switches 120 ohm terminator Option by Dip switch Chapter 1 Introduction Alarm Contact One relay output with current carrying capacity of 0 5A 2 125VAC or 30 VDC resistive Power Power Input 12 24 48 VDC 9 6 58VDC absolute Power Consumption 5W Power Reversal Protection Yes Over Current Protection Signal Short Together Protected Terminal Block for Power and Alarm Yes Physical Characteristics Metal Housing Water amp Dust IP30 Protection Rating Dimensions 106 x 39 x 142mm D x W x H Net Weight 720g Mounting DIN Rail mounting Wall Mounting kits included Environmental Limits Operating Temperature Standard IFC FDC Model 0 C 60 C 32 to 140 F Wide Temp IFC FDC E Model 40 C 75 C 40 to 167 F Storage Temperature 40 to 85 C 40 to 185 F Relative Humidity 5 95 Certifications Safety UL508 Pending EMC CE FCC EMI EN55022 Class A EMS EN61000 4 2 ESD Level 3 EN61000 4 3 RS Level 3 EN61000 4 4 EFT Level 3 EN61000 4 5 Surge Level 3 EN61000 4 6 CS Level 3 Free Fall IEC 60068 2 32 Vibration IEC 60068 2 6 Shock 60068 2 27 Green RoHS MTBF 797 101 Hrs 1 2 3 Block Diagram The IFC FDC has a configurable 2 wire 4 wire RS 485 422 interface and two RS 232 3 wire interfaces The two RS 232 interfaces share a common ground but are isolated from power ground and fro
12. istor 15 ideally the same value as the characteristic impedance of cable In the IFC FDC this value is fixed at 120Q When no termination resistance is applied to the wiring reflections will occur as the signal travels down the cable Although some reflections are inevitable due to cable and resistor tolerances large enough mismatches can cause reflections big enough to cause errors in the data Knowing this it is important to match the terminating resistance and the characteristic impedance as closely as possible The position of the terminating resistors is also very important As a general rule termination resistors should be placed at both far ends of the cable Although properly terminating both ends is absolutely critical for most system designs it can be argued that in one special case only one termination resistor is needed This case occurs in a system when there 15 a single transmitter and that single transmitter is located at the far end of cable In this case there is no need to place a termination resistor at the end of the cable with the transmitter because the signal is intended to always travel away from this end of the cable 1 2 8 RS 485 Pull High Pull Low Somewhere along the set of wires pull up or pull down resistors are established to fail safe bias of each data line wire when the lines are not being driven by any device This way the lines will be biased to known voltages and nodes will not interpret the noise f
13. kage switch and two 10 position rotary switches for all configuration settings There is no provision for any software configuration PWR1 PWR2 Alarm The DIP switch sets the operational mode configures alarm and interface operation while the rotary switches are used exclusively for the pull high pull low bias resistors in the RS 422 RS 485 receive circuits Function Loss either input power no alarm Loss either input power alarm active Loss either fiber link no alarm Loss either fiber link alarm active Operation Mode RS 485 Mode Ring Alarm Termination RS 485 1200 Switch 1 When connecting the IFC FDC to only a single power source leave this switch OFF or the alarm will be constantly on When connecting to two separate power sources turn this switch ON and alarm will occur if either power source fails Switch 2 When connecting the IFC FDC to only a single optical connection leave this switch OFF or the alarm will be constantly on When connecting both fiber ports turn this switch ON and alarm will occur if either fiber link fails Switch 3 In any application using two or more IFC FDC one unit should be set to Master mode and all other units must be set to Slave Switch 4 This switch sets the RS 485 to either 2 wire or 4 wire operation In 2 wire operation connect the wire pair to only the RX and RX connections Switch 5 This switch should only be enabled when the IFC FDC has its fibe
14. m the RS 485 422 interface by 2 5K V isolation The RS 485 422 interface is also isolated from power ground and from the RS 232 signals by 2 5KV isolation An interface converter with isolation 15 created between the RS 422 485 and Channel 1 RS 232 The second RS 232 channel is independent and can carry data separately from the first channel Isolation RS 422 485 TX RX TD CH1 RD SG common TD CH2 RD CH2 Basic block diagram of IFC FDC for reference only Chapter 1 Introduction 1 2 4 Theory of Operation The IFC FDC uses control logic to connect an RS 485 422 interface two RS 232 3 wire interfaces and two optical fiber channels IFC FDC units are interconnected by the fiber channels and can form point to point cascaded linear or ring topologies The IFC FDC uses Master Slave hierarchy where only one master unit exists and all other units are slave in the application In an idle condition all interfaces are in a listening state When any one receive interface receives data transmission IFC FDC will broadcast and transmit out across all units and transmit interfaces The IFC FDC operates completely at the physical layer transparent to communication protocols The communication protocols are required to handle bi directional data flow control and device addressing 1 2 5 Applications RS 485 signals are used in a wide range of computer and automation systems RS 485 is used for low speed data communications and
15. r connected in a ring topology Then when enabled if any break occurs in the fiber ring the alarm is become active For point to point or linear topology disable this switch or alarm will be constantly active Switch 6 This switch enables the internal signal termination by placing a 120 ohm resistance across the RX complimentary pair Refer to Chapter 1 Section 1 2 7 for more detailed description of termination 15 Chapter 3 Configuration and Operation 3 1 2 Pull High Low The pull high pull low bias s explained in more detail in Chapter 1 Section 1 2 8 The bias resistance should be set to position setting no 4 for 1KQ from the factory It 1s highly recommended to set both high and low rotary switches to the same setting Using different settings will put an unequal bias on the circuit and could cause more noise by unbalancing the common mode rejection capability of the balanced transmission wire pair The following graphic shows the two Pull High Pull Low rotary switches in the no 0 position The table lists the bias resistor values for the rotary switch positions Resistance Ohms 0 100K 9 9K 3 3K 1K default 3 1 3 LED Definitions The front panel has a 3 x 3 matrix of 2 5mm LEDs The LEDs are used to quickly diagnose the link and alarm condition of the IFC FDC Definition am FOR Normal operation with no alarms Alarm exists for power fiber link or ring protection There is
16. rminal blocks A flat blade screwdriver with blade width of 2 mm is required to secure the wiring in the terminal blocks 2 3 1 DC Power There are input connectors for two power sources Only one power source is required for normal operation The second power source input may be provided for redundancy When operating in a critical environment connecting to two separate power sources will ensure non stop operation even in the event that one power source fails The power inputs are protected against reverse polarity connections in fact they will actually work if power is reverse connected However we highly recommend following the proper polarity connection for power Not all devices are designed with such protection features as the IFC FDC PWR1 PWR2 ee F TN Physical connections for two power inputs 2 3 2 Alarm Contact The IFC FDC has a single normally open normally closed alarm relay contact Depending on some DIP switch settings th s alarm contact can create a closed or open circuit when conditions such as power failure or fiber disconnect occurs The alarm contact is capable of carrying up to 1A 24VDC and can be used to complete or break a circuit for a visible or audible alarm F EA ee SS Sr Physical connections for relay contacts 13
17. rom un driven lines as actual data Without biasing resistors the data lines may float in such a way that electrical noise sensitivity is greater when all device stations are silent or unpowered The IFC FDC uses rotary switches to select from ten different bias resistor values The factory default setting is at position 4 The factory default provides bias resistors of 1KQ in the pull high and pull low positions When changing the rotary switches it is important to maintain the same setting on both switches The following electrical circuit shows the locations of the pull high pull low bias resistors the terminating resistor and the relationship of transmitter and receiver in a 2 wire half duplex RS 485 application VCC Pull High default terminator 120Q Pull Low 1KQ default Pull High Pull Low Bias Resistors and Termination 10 Chapter 2 Installation Chapter 2 Installation The IFC FDC offers two mounting options DIN Rail mounting or Wall mounting For each a different mounting bracket 1s required Both mounting option brackets are included with the IFC FDC 2 1 DIN Rail mounting 2 1 1 Bracket Mounting To support DIN Rail mounting the IFC FDC must first have the DIN Rail bracket installed Position the bracket as shown below and use the two provided flathead screws to attach the bracket to the center two mounting holes Note the alignment pin of the bracket must align with hole in the IFC FDC
18. the physical layer underlying many standard and proprietary automation protocols used to implement Industrial Control Systems including the most common versions of Modbus and Profibus The Profibus Process Field Bus protocol uses RS 485 physical medium when deploying field bus solutions in factory and process automation environments Since RS 485 signals are differential they resist external electromagnetic interference from motors and welding equipment In theatre and performance venues RS 485 networks are used to control lighting and other systems using the DMXS512 protocol In surveillance RS 485 is used to control pan tilt zoom PTZ cameras via Panasonic Pelco D P Samsung and Sony protocols RS 485 15 also used n building automation as the simple bus wiring where long cable length 15 ideal for joining remote devices RS 485 may be used to control video surveillance systems or to interconnect security control panels and devices such as alarm sensors intrusion devices or access control card readers The IFC FDC uses a complete galvanically isolated full duplex RS485 RS422 transceiver Coupled inductors and isolation power transformer provide 2500VRMS of isolation between the line transceiver and the logic interface This converter is ideal for systems where the ground loop needs to be broken to allow for large common mode voltage variation 1 2 6 RS 485 4 wire vs 2 wire RS 485 is a multipoint specification and uses a half duple
19. x 2 wire communication connection RS 485 drivers need to be put in transmit mode explicitly by asserting a signal to the driver When not transmitting the drivers present a high impedance on the wire pair The protocol layer must handle transmission to avoid two devices talking at once When switching the RS 485 to 4 wire mode we actually are making an RS 422 interface which 1s full duplex and with separate TX and RX wire pairs In 4 wire mode the transmit drivers are always enabled This means that 4 wire mode is only applicable for point to point applications and cannot be used in multipoint applications 1 2 7 RS 485 Termination Depending on the wire gauge of the cable and the materials used in the insulation twisted pair wire has characteristic impedance associated with it that 15 usually specified by the cable manufacturer The RS 485 specification recommends but does not specifically dictate that this characteristic impedance be 120Q Because of the high frequencies and the distances involved proper attention must be paid to transmission line effects A detailed discussion of transmission line effects and proper termination techniques is well beyond the scope of this user manual With this in mind terminations will be briefly discussed in their simplest form as they relate to RS 485 Chapter 1 Introduction A terminating resistor is simply resistor placed at the extreme end or ends of a cable The value of the terminating res
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