Omron C-series User's Manual
Contents
1. I Nomenclature eee ead eb ea Ma be eS 1522 Link Adapters E ESSERE AARNE RSE 1 3 Repeater Units se ESSERE Ss Os ERE A RENE Des 1 4 General Specifications isses Re eg o e eb qr eR Re SECTION 2 Wiring and Power Supply 2 1 Power Supply and Cable Lengths 2 2 RS 422 and RS232C Cable ooeec ecoin E a a I eee 2 3 Optical Fiber Cable APF PCF ssseeseeeeeeee a 2 4 Crystal Optical Fiber Cable AGF 0 e 2 5 Backup Power Supply 0 eee eee cee ee I m t 2 6 Link Adapter Repeater Input sisser eioan eee be ie RR E ees SECTION 3 Repeater Units SECTION 4 System Configuration Aat PC Vink Systems Lernen baad be Ie ee cae E eH 4 2 Host Link SYStems gt i ote nti E Sip SEMEL ede 4 3 Optical Remote I O Systems e 4 4 Wired Remote I O Systems assassins e SECTION 5 Dimensions and Internal Configuration 5 1 Tank Adapter ALOOL dsl dee e eR a Ug p ERE OE RC aes 5 2 Link Adapter ALOO2 B E ees eves IIl 5 3 Link Adapter ALOO4 B E E III 5 4 Link Adapter ALOOS B E III e 5 5 Link Adapter ALO06 D E sessed III e 5 6 Link Adapter ALOOT P I eee Appendix Standard Models2. _ J fiber cable PCF AGF AL007 P Used exclusively for 100 to 200 VAC 85 to 264 VAC 10 VA max 1kg Wired Remote I O Sys ical fi max tems Converts between PERE RS 485 optical fiber APF PCF and wire RS 485 cable APF All plastic optical fiber cable PCF Plastic clad optical fiber cable AGF Crystal optical fiber cable GI 50 or 125 General Specifications ection 14 Repeater Units Function Supply voltage Operating Power Weight voltage range consumption 1 Used when more than 32 Optical Transmit 100 to 120 200 to 85 to 264 VAC 8 VA max 600 g max RPTO1 ting I O Units Slave Racks etc are con 240 VAC or 12 to nected in series 24 VAC DC 2 2 2 3 2 4 2 5 2 6 Power Supply and Cable Lengths RS 422 and RS 232C Cable Optical Fiber Cable APF PCF Crystal Optical Fiber Cable AGF Backup Power Supply Link Adapter Repeater Input SECTION 2 Wiring and Power Supply RS 422 and RS 232C Cable Section 2 2 2 1 Power Supply and Cable Lengths Power Supply For all but ALOO1 Link Adapters connect the AC hot line to the common terminal of the Link Adapter A fuse is internally connected to the common line Cable Lengths Maximum length for RS 232C cable is 15 m For RS 422 it is 500 m with a maxi mum of 10 m for any given branch line For RS 485 cable it is 200 m Maximum lengths for optical fiber cables connected to Link Adapter
3. SYSMAC C series Link Adapters INSTALLATION GUIDE OMRON SYSMAC C series Link Adapters Installation Guide Revised June 1999 Notice OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual The following conventions are used to indicate and classify precautions in this manual Always heed the information provided with them Failure to heed precautions can result in injury to people or dam age to property N DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Z N WARNING Indicates a potentially hazardous situation which if not avoided could result in death or serious injury N Caution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury or property damage OMRON Product References All OMRON products are capitalized in this manual The word Unit is also capitalized when it refers to an OMRON product regardless of whether or not it appears in the proper name of the product The abbreviation Ch which appears in some displays and on some OMRON products often means word and is abbreviated Wd in documentation in this sense The abbreviation PC means Programmable Controller and is not used as an abbreviation for any thing else Visual Aids The following headi
4. If an optical fiber cable is disconnected while power is on in the Link Adapters and CPU data may be retained in the Slave 21 Wired Remote I O Systems Section 4 4 4 4 Wired Remote I O Systems Wired Remote I O Master Units Remote I O Slave Units and Remote Terminals can be directly connected with RS 485 cable which has a maximum transmis sion distance of 200 m In order to extend the transmission distance and or to reduce noise interference a pair of ALOO7 P Link Adapters can be used to insert an optical link between any two Remote I O Units Remote Terminals The follow ing example shows two Wired Remote I O Units connected by optical fiber cable by using a pair of ALOO7 P Link Adapters Link Adapter Link Adapter AL007 P AL007 P Optical fiber APF PCF 4 RS 485 cable RS 485 cable Master Slave or Master Slave or Remote Terminal Remote Terminal The Link Adapters must always be used in pairs as they convert between wire and optical signals thereby allowing optical transmission between Units which cannot themselves be connected directly to optical fiber cable The entire Sub system from Master to terminator must be connected in series with no branch ing Up to 8 Link Adapters 4 pairs can be used for each Master The following diagram illustrates an acceptable configuration for a Wired Remote Master Sub system using the maximum of 8 Link Adapte
5. Power Input Terminal on a low voltage 12 24 VAC DC power supply in place of their normal power supply of 100 200 VAC When it is necessary to have a backup power supply connect a 12V battery to this terminal If the battery is left unused for a long peri od it will discharge It must either be periodically charged or connected to a float ing charging device To avoid overcharging set the output voltage at 13V Do not use a 24V battery 10 Backup Power Supply Section 2 5 The following diagram illustrates a situation in which a 12V battery is used as a backup power supply connected to the Link Adapter in Plant B If there were no backup power supply in this case then a power failure in Plant B would cut off signal transmission between Plant A and Plant C By connecting the backup bat tery in Plant B this is avoided and continued transmission is assured Plant A Plant B Plant C Link Adapter Link Adapter Link Adapter ALO05 PE ALO06 PE ALO05 PE Crystal optical TT Crystal optical fiber cable AGF MEN fiber cable AGF All plastic optical All plastic optical fiber cable APF All plastic optical fiber cable APF fiber cable APF System A System B 11 Link Adapter Repeater Input Section 2 6 2 6 Link Adapter Repeater Input 12 Link Adapters 002 and 006 have repeater input terminals They are used when it is necessary to be sure that power has already been turned on in a s
6. 2 5 Backup Power Supply Link Adapters ALO02 P E and 006 have repeater input terminals See 2 6 Link Adapter Repeater Input The following diagram illustrates how Link Adapters can be used to connect sev eral Units in a simple configuration Link Link Link Adapter Adapter Adapter Rack with Rack with Rack with Rack with linkable Unit linkable Unit linkable Unit linkable Unit General Specifications Section 1 4 1 3 Repeater Units Repeater Units are used when the number of Optical Transmitting I O Units Op tical Slave Racks etc connected in series exceeds 32 Insertion of a Repeater Unit after the 32nd Unit allows the connection of additional Units The following Repeater Units are used with the cables shown here Model Applicable Cables 3G2A9 RPT01 P APF PCF 3G2A9 RPT01 PCF APF All plastic optical fiber cable PCF Plastic clad optical fiber cable 1 4 General Specifications Basic specifications for the Link Adapters and Repeater Units are shown in the following table Link Adapters Model Function Connection Supply voltage Operating Power Weight voltage range consumption ALO001 Branching RS 422 cable RS 422 cable Not necessary ors 250g RS 422 1 1 RS 422 cab e cable AL002 PE Branching optical fiber Optical fiber APF PCF 100 to
7. E Ground terminals LG FG Repeater input terminals Power suppl ilia i Fuse 0 1 A pply Auxiliary power terminals Mounting holes I 45 10 dia 63 Approx 140 Main line Main line Main line Main line reception transmission reception transmission AGF AGF AGF Branch line APF PCF AC AC 200v power supply Repeater Circuit switching input Os AC DC Auxiliary 12 24v power supply 4 d Line and frame FG grounds Transmit Receive 4 Xx Sx a Main line AGF pr line APF PCF Main line AGF in D v t H Use FC connecters for AGF cable AGF connecters have fixed positions for re ception and transmission so be careful to connect them correctly This Link Adapter can operate on either 100 200 VAC or 12 24 VAC DC The repeater input terminals should be shorted across when not being used For de tails on how to use the repeater input see 2 6 Link Adapter Repeater Input For details on auxiliary power supplies see 2 5 Backup Power Supply 28 Link Adapter AL007 P Section 5 6 5 6 Link Adapter AL007 P Power supply Ground terminals Power indicator terminals LG FG En Fuse Mounting holes 4 57 10 dia 140 RS 485 connectors AC power supply 100 240 VAC A H E G Line and frame grounds Electrical optical converter S ENTM To othe
8. E RS 422 RS 422 RS 422 RS 422 Link Adapter Link Adapter ALO001 CPU Rack with Host Link Unit RS 422 branch line 10 m max ALO001 CPU Rack with Host Link Unit Link Adapter ALO001 RS 422 branch line 10 m max RS 422 branch line 10 m max CPU Rack with Host Link Unit CPU Rack with Host Link Unit Example 2 Optical Host Link Systems can be connected in series using Link Adapter AL004 P E as shown below Host computer RS 422 or RS 232C Link Adapter AL004 P E Optical fiber APF PCF Optical fiber APF PCF C Series PC C Series PC C Series PC C Series PC C Series PC with with with with with Optical Host Optical Host Optical Host Optical Host Optical Host Link Unit Link Unit Link Unit Link Unit Link Unit 19 Optical Remote I O Systems Section 4 3 Example 3 As shown in Example 3 more than one Optical Host Link Unit can be connected in series using optical fiber cables However if any failure power failure discon nection etc occurs in one of the Units all the subsequent Host Link Units will also cease to operate This can be prevented by using Link Adapters such as the ALO002 P E as shown below These Link Adapters bypass any malfunctioning Host Link Unit thereby
9. Optical Slave Rack C120 CPU Rack Optical fiber APF PCF C120 I O Link Rack Optical Remote I O Systems Section 4 3 Example 2 An Optical System with Optical Transmitting I O Units can be connected with crystal optical fiber cable AGF by using Link Adapter ALO05 P E as shown be low Link Adapter Link Adapter ALO05 P E ALO05 P E Lo qot joe gem CERA Crystal optical fiber AGF CPU Rack with Optical Master Optical Slave Rack Optical fiber APF PCF Optical Transmitting Units Example 3 An Optical System with an I O Link Unit can be connected with crystal optical fiber cable by using Link Adapters ALO05 P E and 006 as shown be low Link Adapter Link Adapter Link Adapter ALO05 P E ALO06 P E ALO05 P E Crystal optical fiber AGF E Crystal optical fiber AGF fi pict b AUD CPU Rack with I O Link Rack Optical Slave Rack Optical Master V Optical fiber APF PCF Cable Length A maximum of 8 Link Adapters can be used in this configuration Maximum total cable length is 10 km Follow the instructions contained in 2 4 Crystal Optical Fiber Cable AGF for calculating the length of AGF cable Be sure to turn power off before disconnecting a cable
10. allowing the rest of the system to operate normally In other words even if a power failure occurs in a Host Link Unit connected to a branch line of a Link Adapter signals are still transmitted to the other Host Link Units Host computer RS 422 or RS 232C Link A dapter AL004 P E Optical fiber APF PCF C Series PC with Optical Host Link Unit Link Adapter Link Adapter Link Adapter Link Adapter AL002 P E AL002 P E AL002 P E AL002 P E Optical fiber APF PCF C Series PC C Series PC C Series PC C Series PC with with with with Optical Host Optical Host Optical Host Optical Host Link Unit Link Unit Link Unit Link Unit 4 3 Optical Remote I O Systems Example 1 20 Example 1 In an Optical System Units can be connected in series However if any failure power failure disconnection etc occurs in one of the Units all of the subsequent Units will also cease to operate This can be prevented by using Link Adapters such as the ALO02 P E as shown below These Link Adapters bypass any malfunctioning Unit connected to a branch line thereby allowing the rest of the system to operate normally Link Adapter ALO002 P E Link Adapter ALO002 P E 4 BS AS CPU Rack with Optical Master Optical Link Rack
11. mm Four 3 5 dia holes RS 422 cable connectors 24 Link Adapter AL002 P E Section 5 2 5 2 Link Adapter AL002 P E Power Power supply Ground terminals LG FG indicator Fuse 0 1 A Repeater input terminals Auxilia wer terminals zl ell Mounting holes 45 101 i 10 dia mm pem 63 Approx 140 Main line APF PCF Main line APF PCF Branch line Branch line Main line Main line Optical Optical Optical electrical electrical electrical converter converter converter AC DC Auxiliary 12 24v power supply Switching circuit AC power supply Line and frame grounds L 1 Repeater input The Link Adapter can run on either 100 200 VAC or 12 24 VAC DC The repeater input terminals should be shorted across when not being used For details on the usage of the repeater input refer to 2 6 Link Adapter Repeater Input For backup power supplies see 2 5 Backup Power Supply 25 Link Adapter AL004 P E Section 5 3 5 3 Link Adapter AL004 P E Power Fuse Power supply Ground terminals indicator A terminals ieee CTS selector switch Mounting holes EE amp 45r 120 PEro 10 dia Terminating resistance APF PCF connector RS 232C connector RS 422 connector A selector switch main or branch line main line main or branch line Interfacing pin I
12. under conditions which are not described in the manual or applying the product to nuclear control systems railroad systems aviation systems vehicles combustion systems medical equipment amusement ma chines safety equipment and other systems machines and equipment that may have a serious influence on lives and property if used improperly consult your OMRON representative Make sure that the ratings and performance characteristics of the product are sufficient for the systems machines and equipment and be sure to provide the systems machines and equipment with double safety mechanisms Be sure to read this manual before attempting to use the Link Adapter and keep this manual close at hand for reference during operation It is extremely important that the Link Adapter be used for the specified purpose and under the specified conditions especially in applications that can directly or indirectly affect human life You must consult with your OMRON representative before applying the Link Adapter system to the above mentioned applications 3 Safety Precautions N WARNING Z N WARNING N WARNING Do not attempt to take any Unit apart while the power is being supplied Doing so may result in electric shock Do not touch any of the terminals or terminal blocks while the power is being supplied Doing so may result in electric shock Provide safety measures in external circuits i e not in the Programmable Controller includ
13. 120 200 85 to 132 170 to 10 VA max 900 g APF PCF cable to 240 or 246 VAC or 10 2 max 12 to 24 VAC to 26 4 VAC DC Optical fiber _ _ Optical fiber DC APP PCF APF PCF AL002 E Branching optical fiber Optical fiber PCF PCF cable Optical fiber _ _ _ _ 1 Optical fiber PCF PCF AL004 PE Converting between opti RS 422 cable 110 to 120 94 to 132 10 VA max 1 kg cal fiber APC PCF and 1 220 to 240 187 to 264 VAC max wire RS 232C RS 422 OX x ptical fiber _ 2 table APF PCF cable AL004 E Converting between opti RS 422 cable cal fiber PCF and wire RS 232C RS 422 cable Optical fiber _ _ RS 232 PCF cable ALOO5 PE Converting between opti Optical fiber APF PCF 100 to 120 200 85 to 132 170 to 10 VA max 1 5 kg cal fiber APF PCF and to 240 or 254 VAC or 10 2 max crystal optical fiber aa 12 to 24 VAC to 26 4 VAC DC ptical fiber _ AGF cabe ea o6 005 Converting between opti Optical fiber PCF cal fiber PCF and crys tal optical fiber AGF cable Optical fiber _ AGF ALOO6 PE Converting between opti Optical fiber AGF 100 to 120 200 85 to 132 170 to 10 VA max 1 5 kg cal fiber APF PCF and to 240 or 264 VAC or 10 2 max crystal optical fiber dcs 12 to 24 VAC to 26 4 VAC DC ptical fibber _ Optical fiber AGF cable APF PCF AGF DO AL006 E Converting between opti cal fiber PCF and crys 1 tal optical fiber AGF i auae
14. 5A2 0F 411 3G5A2 0F511 Optical fiber cable PCF for indoors or outdoors 10 to 500 m Ambient temperature Order in units of 10 m 10 to 70 C 501 to 800 m Ambient temperature Order in units of 10 m 0 to 55 C Must not be ex posed to direct sunlight 3G5A2 0F501 3G5A2 OF 002 Optical fiber cable APF Cable only for 5 m to 100 m order in multiples of 5 m or in multiples of 200 m or 500 m 3G5A2 PF002 Optical fiber cable set APF 1 m cable with connector at each end connector A 3G5A2 PF101 Optical connector A 2 optical connectors brown for APF cable 10 m max 3G5A2 CO001 Optical connector B 2 optical connectors black for APF cable 8 to 20 m long 3G5A2 CO002 Repeater Unit To use more than 32 Optical Transmitting I O Units in se ries 85 to 250 VAC 3G5A2 RPTO1 P APC PCF 3G5A2 RPTO1 PCF Note Optical fiber cable is not easily connected Figure in extra length when determining cable lengths for making connections and extensions E Length L m Crystal Optical Fiber Cable Crystal optical fiber cable is not available from OMRON Order it directly from the manufacturer Applicable fiber GI 50 25 connector FC 31 Standard Models Appendix A Wire Cable We recommend the following cables for RS 422 RS 232C and RS 485 connections Cable type Recommended Cable CO DS IREVV SX 10P x 0 18 mm2 Hitachi Cab
15. ces laying optical fiber cables basically does not differ from laying wire cables All OMRON PCF and the PF10 APF length 1 m cables come with con nectors attached Connectors for all other APF cables must be assembled by the customer Note the following precautions when handling optical fiber cables 1 2 3 1 Always turn the power off to the Link Adapter when connecting or discon necting an optical fiber cable 2 Always hold the connector when disconnecting an optical fiber cable never pull on the cable 3 APF and PCF connectors are designed to be inserted only in one direction do not try to force them in the wrong way 4 Insert APF and PCF connectors until they lock into position 5 Always place the protective caps on unused Link Adapter modules 6 If dirty clean connectors gently with a tissue or sanitary cotton using ethyl alcohol if necessary Do not use any solvent other than ethyl alcohol Crystal Optical Fiber Cable AGF Section 2 4 7 Do not allow heavy objects to fall on optical cable or otherwise subject it to excessive shock or strain All plastic optical fiber cable APF Optical fiber cord Connector Plastic clad optical fiber cable PCF Optical fiber cord h Wwe Protective cover Connector Crystal optical fiber cable AGF Optical fiber cord Protective cover Connector FC 2 4 Crystal Optical Fiber Cable AGF Link Adapters AL005 P E and ALOO6 P E can be con
16. ci ERE DEOR SUR bin week TOUR Index 00 0909 0900 090 0969 069 09 069 0690 09 909 09 096 09 0909 00 0 0 009 009 909 09 09 090 6 Revision vii PRECAUTIONS This section provides general precautions for using the SYSMAC C series Link Adapters and related devices The information contained in this section is important for the safe and reliable application of the Link Adapters You must read this section and understand the information contained before attempting to set up or operate the Link Adapters 1 Intended Audience en ee ees 2 General Precautions ck adel toh wa pias ond bea xn ean ea a eee aia Aga 3 Safety Precautions xa Sh Cale Lee ee Ree ha eta edis 4 Operating Environment Precautions 0 0 cee eee eee eee 5 Application Precautions ss saat eee cent e ix Safety Precautions 1 Intended Audience This manual is intended for the following personnel who must also have knowl edge of electrical systems an electrical engineer or the equivalent e Personnel in charge of installing FA systems e Personnel in charge of designing FA systems e Personnel in charge of managing FA systems and facilities 2 General Precautions NWARNING The user must operate the product according to the performance specifications described in the relevant manuals Before using the product
17. e Locations subject to temperatures or humidity outside the range specified in the specifications Locations subject to condensation as the result of severe changes in tempera ture Locations subject to corrosive or flammable gases e Locations subject to dust especially iron dust or salts Locations subject to exposure to water oil or chemicals Locations subject to shock or vibration Caution Take appropriate and sufficient countermeasures when installing systems in the following locations Locations subject to static electricity or other forms of noise Locations subject to strong electromagnetic fields Locations subject to possible exposure to radioactivity Locations close to power supplies Caution The operating environment of the Link Adapter system can have a large effect on the longevity and reliability of the system Improper operating environments can lead to malfunction failure and other unforeseeable problems with the Link Adapter system Be sure that the operating environment is within the specified conditions at installation and remains within the specified conditions during the life of the system 5 Application Precautions NWARNING Always heed these precautions Failure to abide by the following precautions could lead to serious or possibly fatal injury e Always ground the system to 100 Q or less when installing the Units Not con necting to a ground of 100 O or less may result i
18. e end of the cable through a boot at least 50 mm up the cable 3 Being careful not to damage the braiding underneath use a razor blade to cut away 25 mm of sheath for an RS 442 cable or 40 mm for an RS 232C cable 4 Using scissors cut away all but 10 mm of the exposed braiding 5 Using wire strippers remove the covering from the last 5 mm of all wires 6 Move the boot to the cut edge of the sheath and fold the braiding back over the end of it 7 Wrap aluminum foil tape 1 1 2 turns over the top of the braiding on top of the boot 1 2 3 4 5 6 Aluminum foil tape 12 mm Optical Fiber Cable APF PCF Section 2 3 Soldering Observe the following when soldering wires onto the connector 1 2 3 1 Place heat shrink tubing onto all wires far enough from the end so as to not interfere with soldering 2 Pre solder all wires and connector terminals 3 Solder all wires inserting 4 mm of the exposed 5 mm of wire into the connec tor terminal 4 Slide the heat shrink tubing onto the soldered area and shrink into place Hood Assembly Assemble the connector hood as shown in the following diagram e E Boot ep aN 7 Aluminum foil tape 2 3 Optical Fiber Cable APF PCF Although the special characteristics of optical fiber call for care in connecting op tical devi
19. function Install external breakers and take other safety measures against short circuit ing in external wiring Insufficient safety measures against short circuiting may result in burning Disconnect the functional ground terminal when performing withstand voltage tests Not disconnecting the functional ground terminal may result in burning Be sure that all the mounting screws terminal screws and cable connector screws are tightened to the torque specified in the relevant manuals Incorrect tightening torque may result in malfunction Use crimp terminals for wiring Do not connect bare stranded wires directly to terminals Connection of bare stranded wires may result in burning Double check all wiring and switch settings before turning ON the power sup ply Incorrect wiring may result in burning Be sure that the terminal blocks cables and other items with locking devices are properly locked into place Improper locking may result in malfunction Do not pull on the cables or bend the cables beyond their natural limit Doing either of these may break the cables Do not place objects on top of the cables or other wiring lines Doing so may break the cables e When replacing parts be sure to confirm that the rating of a new part is correct Not doing so may result in malfunction or burning Before touching a Unit be sure to first touch a grounded metallic object in order to discharge any static built up Not doi
20. ing the following items in order to ensure safety in the system if an abnormality occurs due to malfunction of the PC or another external factor affecting the PC operation Not doing so may result in serious accidents e Emergency stop circuits interlock circuits limit circuits and similar safety measures must be provided in external control circuits e The PC will turn OFF all outputs when its self diagnosis function detects any error or when a severe failure alarm FALS instruction is executed As a coun termeasure for such errors external safety measures must be provided to en sure safety in the system e The PC outputs may remain ON or OFF due to deposition or burning of the output relays or destruction of the output transistors As a countermeasure for such problems external safety measures must be provided to ensure safety in the system Application Precautions 5 e When the 24 VDC output service power supply to the PC is overloaded or short circuited the voltage may drop and result in the outputs being turned OFF As a countermeasure for such problems external safety measures must be provided to ensure safety in the system N WARNING Do not attempt to disassemble repair or modify any Units Any attempt to do so may result in malfunction fire or electric shock 4 Operating Environment Precautions N Caution Do not operate the control system in the following locations e Locations subject to direct sunlight
21. k Unit 4 1 RS 422 branch line 18 10 m max 10 m max RS 422 Link Adapter RS 422 Link Adapter RS 422 ALO001 ALO01 Link Adapters ALO02 P E and ALOO4 P E can be used to insert optical links between PC Link Units to extend transmission distance and provide superior re sistance to noise Optical links connect only Link Adapters they do not directly connect to the PC Link Units themselves In the diagram below the straight lines represent wire cables and the jagged lines represent optical fiber cables Link Adapter Link Adapter Link Adapter Link Adapter AL004 P E A AL004 P E 4 AL004 P E 4 AL004 P E Link Adapter Link Adapter AL004 P E AL004 P E C Series PC with PC Link Unit C Series PC with PC Link Unit C Series PC with PC Link Unit V Optical fiber APF PCF Host Link Systems Section 4 2 4 2 Host Link Systems Example 1 Link Adapters are used in Host Link Systems for branching and for converting to the type of cable required by the host computer A Wired Host Link System can be connected using Link Adapters ALOO4 P E and 001 as shown below Link Adapter ALO04 P E is used to convert be tween RS 232C and RS 422 cable Link Adapter ALO01 is used for branching Host computer RS 232C 15 m max Link A dapter AL004 P
22. le CO HC ESV 8P x 7 0 2 Hirakawa Cable VCTF 0 75 x 2C JIS 32 A application precautions cable connectors optical fiber cable soldering wire cable wiring CTS selector H host computers connecting to Host Link Systems optical wired T O Link Units installation precautions O operating environment precautions optical fiber cable applicable Link Adapters branching cable length converting to wire cable crystal optical fiber calculating transmission distance connectors specifications handling Repeater Units types Optical Host Link Units optical links between Units Optical Remote I O Systems Optical Slave Racks Optical Transmitting I O Units Index P PC Link Systems power interruption backup power supply bypassing malfunctioning Unit power supply specifications precautions applications general operating environment safety R Remote I O Master Units Remote I O Slave Units Remote Terminals repeater input Repeater Units S safety precautions See precautions specifications switch settings n termination resistance W wire cable branching cable length converting to optical fiber cable RS 422 or RS 232C RS 485 specifications Wired Remote I O Systems 33 Revision History A manual revision code a
23. means Remote I O Slave Unit 1 2 Link Adapters Link Adapters are used to interconnect system devices such as host computers PC Link Units Host Link Units and Remote I O Units and or to convert between wire cable and optical fiber cable Using optical links between Units provides greater transmission distance and noise resistance In addition Link Adapters provide inputs to bypass a Unit which is improperly connected or which suffers a power interruption thereby al lowing other Units connected in series to continue operating normally Some Link Adapters can ensure that a System will not begin operating until for example a particular Subsystem has started up There are various models of Link Adapters to perform a variety of functions For example the Link Adapter generally used for connecting PC Link Systems is the 001 but when optical cable is used it is replaced by combinations of the ALO002 P E and ALOO4 P E Link Adapter ALOO2 P E is used to branch optical cables the ALOO4 P E is used to convert between optical and wire cables and the ALOO5 P E and ALOO06 P E are used for branching and or converting between different types of optical fiber cables Link Adapter ALO07 P is used exclusively in Wired Remote Systems Link Adapters ALO02 P E ALO05 P E and ALO06 P E have auxiliary power input terminals which can be connected to a battery to ensure continued opera tion even when the AC power supply is cut off See
24. n a Host Link Unit is connected one to one to a host computer with no Link Adapter and RS 232C cable is being used connect the SD send data terminal of the host computer to the RD receive data terminal of the Host Link Unit Like wise connect the RD terminal of the host computer to the SD terminal of the Host Link Unit When using RS 422 cable the SDA and RDA terminals and the SDB and RDB terminals should be connected in a similar way The following dia gram illustrates the proper connections when using RS 232C cable Host computer Host Link Unit 1 FG FG 1 7 SG SG 7 2 SD SD 2 3 RD RD 3 Pin No Symbol Symbol Pin No RS 422 and RS 232C Cable Section 2 2 Connecting Link Adapter When using a Link Adapter connect both RS 232C and RS 422 cable straight AL004 P E across as shown in the following diagram Here the SD terminal of the host com puter for example is connected to the SD terminal of the Link Adapter See 5 4 Link Adapter ALOO4 P E for the internal configuration of the Link Adapter Host computer ALOE Host Link Unit 1 FG 071 FG 1 7 FG EG 57 7 SG SG 7 SG SG 3 2 sD i SD 2 9 SDA SDA 9 3 RD V RD 3 5 SDB SDB 5 6 RDA RDA 6 1 d U RDB 1 Wiring RS 232C and RS 422 Cable Connectors Cable Preparation Prepare cables as follows before soldering 1 2 3 1 Cut the cable to the required length 2 Thread th
25. n electric shock e Always turn OFF the power supply to the Link Adapter system before attempt ing any of the following Not turning OFF the power supply may result in mal function or electric shock Mounting or dismounting the Units e Assembling the Units Setting DIP switches or rotary switches Connecting cables or wiring the system Connecting or disconnecting the connectors xi Application Precautions 5 xii N Caution Failure to abide by the following precautions could lead to faulty operation of the Link Adapters or the system or could damage the Link Adapters or the system Always heed these precautions Observe the following precautions when using the Link Adapter system Tighten the screws on the terminal block of the AC Power Supply Unit to the torque specified in the operation manual The loose screws may result in burn ing or malfunction e Fail safe measures must be taken by the customer to ensure safety in the event of incorrect missing or abnormal signals caused by broken signal lines momentary power interruptions or other causes e Always use the power supply voltages specified in this manual An incorrect voltage may result in malfunction or burning Take appropriate measures to ensure that the specified power with the rated voltage and frequency is supplied Be particularly careful in places where the power supply is unstable An incorrect power supply may result in mal
26. nected with crystal opti cal fiber cable in accordance with the following specifications Item Specifications Conforming optical fiber Graded index 50 125 Applicable wavelength 800 900 nm Transmit receive differential 13 dB min The transmission distance between Link Adapters ALO05 P E and ALOO6 P E is basically determined by the difference between the transmitting and receiving levels of the Link Adapters and by the transmission loss over the crystal optical fiber cable It is also affected however by the number of connecting points and the method of connection as well as by the particular type of cable which is used Use the calculation method shown below to determine whether a given cable length will fall within tolerable limits Backup Power Supply Section 2 5 When total transmission loss from the system is subtracted from the transmit re ceive differential of the Link Adapters the margin must be at least 4 dB To deter mine total transmission loss first calculate the loss over the cable by multiplying the loss km by the total length of the cable Then calculate the loss at the con nections by multiplying the loss connection by the number of connections Final ly add the cable loss and the connector loss Subtract this figure the total trans mission loss from the transmit receive differential If the difference is greater than 4 dB then the cable length is acceptable Example 1 Distance 2 5 km Connec
27. ng so may result in malfunction or dam age e Install the Units properly as specified in the operation manuals Improper installation of the Units may result in malfunction SECTION 1 Introduction This document is designed to introduce the reader to the principles of Link Adapters and Repeater Units Link Adapters and Repeater Units are connecting devices for SYSMAC C Series Programmable Controllers Link Adapters are used to interconnect system devices such as host computers PC Link Units Host Link Units and Remote I O Units and or to convert back and forth between wire cable and optical fiber cable 1 1 Nomenclature 1 2 Link Adapters I3 Repeater Units OE RA Se GRA SOY Eee hE Soe een CR UE 1 4 General Specifications Link Adapters Section 1 2 1 1 Nomenclature Names of specific OMRON products as well as generic names for groups of OMRON products are capitalized in this manual Unit is also capitalized when it refers either specifically or generically to an OMRON product For convenience prefixes are omitted from model numbers of Link Adapters and Repeater Units P in a model number indicates two Units one with the P and one without See the Appendix for a complete list of all products covered in this manual along with their full model numbers In addition abbreviations are used for certain Units In this manual PC always means Programmable Controller Master means Re mote I O Master Unit and Slave
28. ngs appear in the left column of the manual to help you locate different types of information Note Indicates information of particular interest for efficient and convenient operation of the product 1 2 3 1 Indicates lists of one sort or another such as procedures checklists etc OMRON 1990 All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means mechanical electronic photocopying recording or otherwise without the prior written permis sion of OMRON No patent liability is assumed with respect to the use of the information contained herein Moreover because OMRON is constantly striving to improve its high quality products the information contained in this manual is subject to change without notice Every precaution has been taken in the preparation of this manual Nevertheless OMRON assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the informa tion contained in this publication TABLE OF CONTENTS PRECAUTIONS ita e ea ca TR ene saad I Intended Audience err S RE I Ea ee ER MENOS UU EAMUS e 2 General Precautions Re E toh D BR nities exe RP a eae RE 3 Safety Precautions i i d RC aE S REDE NECS ue RR CR 4 Operating Environment Precautions 0 0 0 e 5 Application Precautions 0 0 EE e t SECTION 1 Introduction
29. nterfacing pin number number H s H Main line GOOO Main or branch line AC power sup Switch Settings CTS Selector Set to 0 V to have the clear to send CTS signal always ON Set to external to receive an external CTS signal Termination Resistance When set to ON connects the built in termination resistance 220 Q when set to OFF disconnects it Turn ON the termination resistance of the last Link Adapt er at each end of each Subsystem 26 Link Adapter AL005 P E Section 5 4 5 4 Link Adapter ALOO5 P E 110 Power supply Ground terminals terminals FUSE 0 14 Rex Power Branch line APF PCF LG FG is 0 1 A ejes Y Auxiliary power terminals Ba Mounting holes ESTIS 145 AUX PWR IL 18 24 70 7 an a 10 dia 63 Approx 140 Main line Main line reception transmission AGF AGF AC AC 200v power supply internal circuitry AC DC Auxiliary 12 24v power supply Line and frame grounds Main line Branch line AGF APF PCF Use FC connecters for AGF crystal optical fiber cable AGF connecters have fixed positions for reception and transmission so be careful to connect them cor rectly The Link Adapter can operate on either 100 200 VAC or 12 24 VAC DC For de tails on auxiliary power supplies see 2 5 Backup Power Supply 27 Link Adapter AL006 P E Section 5 5 5 5 Link Adapter ALOO6 P
30. odule receives signals from either side The transmission indicator flashes when signals are sent to either side from the optical bidirectional module Repeater Units Section 3 Connections NC o NC NC 2 NC 3 NC 4 NC 5 NC 6 NC NC 8 NC 9 NC NC 11 NC 100 120 200 240VAC Dimensions Mounting holes 230 240 0 5 Two M4 holes 15 SECTION 4 System Configuration Various system configurations call for the use of particular Link Adapters This section presents a number of examples which illustrate the usage of Link Adapters in PC Link Systems Host Link Systems Optical Remote I O Systems and Wired Re mote I O Systems See 1 4 General Specifications for details on the functions and specifications of particular Link Adapters 4 1 Link Systems 4 2 Hostlank Systems un seek ease oe Be oA Re eee HEARS PIE UI DEP ee 4 3 Optical Remote I O Systems 4 4 Wired Remote I O Systems 17 PC Link Systems 4 1 Example 1 PC Link Systems It is necessary to use Link Adapters when 3 or more PC Link Units are connected a System A PC Link System can be connected using Link Adapter AL001 as shown in the diagram below CPU Rack with PC Link Unit CPU Rack with PC Link Unit Example 2 RS 422 branch line C Series PC with PC Link Unit Section CPU Rack with PC Link Unit CPU Rack with PC Lin
31. ppears as a suffix to the catalog number on the front cover of the manual Cat No W123 E1 3 Revision code The following table outlines the changes made to the manual during each revision Page numbers refer to previous version Revision code Date Revised content 1 1990 Original production 2 September 1990 First production in Interleaf Put into current manual format Changes Added 3G2A9 AL003 E to Standard Model list Minor prose changes for readability 2A September 1995 Page 3 The table row containing ALOO4 PE corrected 3 June 1999 Manual format changed Precautions section added before Section 1 Page 3 Supply voltage and operating voltage range information changed for ALO004 PE E Page 24 Grounding information added to the pin number diagram Page 26 Switch information added to the upper left diagram 35 omron Authorized Distributor X S Cat No W123 E1 3 Note Specifications subject to change without notice Printed in Japan
32. r ALOO7 P To Wired Remote Unit Link Adapter or Remote Terminal rr The 007 is used exclusively for Wired Remote I O Systems It cannot be used in Optical Remote I O Systems nor can it be used in combination with an ALO002 P E 29 Link Adapter Appendix A Standard Models Specifications Optical APF PCF 3 connectors Model Number 3G2A9 AL002 PE RS 422 2 connectors RS 232C 1 connector 3G2A9 AL003 E Optical APF PCF RS 422 RS 232C 1 conn each 3G2A9 AL004 PE Optical APF PCF AGF 1 connector each 3G2A9 AL005 PE Optical APF PCF 1 connector AGF 2 connectors 3G2A9 AL006 PE RS 422 3 connectors 3G2A9 AL001 Optical PCF 3 connectors 3G2A9 AL002 E Optical PCF RS 422 RS 232C 1 connector each 3G2A9 AL004 E Optical PCF AGF 1 connector each 3G2A9 AL005 E Optical PCF 1 connector AGF 2 connectors 3G2A9 AL006 E Optical APF PCF 1 connector AGF 2 connectors B500 AL007 P Optical fiber cable indoor PCF 0 1 m w connector 1 m w connector 2 m w connector 3 m w connector 5 m w connector Ambient temperature 10 m w connector 10 to 70 C 20 m w connector 30 m w connector 40 m w connector 50 m w connector 3G5A2 0F011 3G5A2 0F 101 3G5A2 0F201 3G5A2 0F301 3G5A2 0F 111 3G5A2 0F211 3G5A2 0F311 3G
33. rned on in the branch system thereby preventing the entire system from starting Once the branch system is operating normally however signals will continue to be transmitted along the main line even if the repeater input turns OFF SECTION 3 Repeater Units Repeater Units Section 3 Repeater Unit RPT01 P must be used when the number of Optical Slave Racks Optical Transmitting I O Units I O Link Units and Link Adapters con nected in series exceeds 32 Insert a Repeater Unit between the 32nd and 33rd Units The example below shows an Optical Slave Rack and Optical Transmit ting I O Units connected in series Note that a Repeater Unit is inserted after the total of these Units reaches 32 When I O Link Units or Link Adapters ALO002 P E ALO05 P E or ALOO6 P E are used each of them must also be counted as one of the 32 Units L7 qud TIM CPU Rack with Optical Master Optical Slave Rack Optical Transmitting Optical Transmitting Units Units eX 32 Units total 1 32 Units Repeat er Unit Nomenclature and Indicator Lights 14 On off indicator Reception indicator Transmission indicator Optical bidirectional module APF PCF Do not connect Power terminal 100 120 or 200 240 VAC The on off indicator stays lit while power is turned on The reception indicator flashes when the optical bidirectional m
34. rs for one Master Note that all Units are connected in series and all Link Adapters are used in pairs i Link Adapter Link Adapter Link Adapter Wired Master Wired Slave ALOO7 P ALOO7 P ALOO7 P RS 485 cable Optical fiber xg i APF PCF Wired Slave Wired Slave Wired Slave Link Adapter Link Adapter Link Adapter Link Adapter AL007 P AL007 P Wired Slave AL007 P 4 AL007 P Terminator 22 Maximum cable length for any single section of optical cable is 20 m for all plas tic optical fiber cable APF and 200 m for plastic clad optical fiber cable PCF To take full advantage of an optical link shorten wire links as much as possible even to the point of placing the Link Adapter on the same control panel as the Remote I O Unit Remote Terminal 5 1 5 2 5 3 5 4 5 5 5 6 Link Adapter AL001 SECTION 5 Dimensions and Internal Configuration Link Adapter ALOO2 P E iio sos ck Rp RR eee SERERE E ERE Link Adapter ALO04 PJE Seeds ees RR Link Adapter AL005 B E teo ae Lb Adee oe re ee xU eee Link Adapter ALO06 PJE Saeed RR Link Adapter 007 23 5 1 Section Link Adapter AL001 Link Adapter 001 5 1 Note Unit of measurement
35. s are deter mined by the type of cable and the particular model of Link Adapter employed Link Adapters whose model numbers are followed by P can be connected to either APF all plastic optical fiber or PCF plastic clad optical fiber cable Those without P can be connected only to PCF cable The model numbers cable types and transmission distances are related as follows Cable Model No With P Model No Without P APF 20m Not connectable PCF 200 m 800 m If transmission distances over 800 meters are required it is necessary to use AGF crystal optical fiber cable which calls for the use of specific Link Adapters see 1 4 General Specifications For calculating maximum length for AGF cable see 2 4 Crystal Optical Fiber Cable AGF N Caution Never use a Link Adapter with its terminal cover removed Keep the cover se curely attached If the Link Adapter is installed in an office or on a desk take ex tra care to avoid electrical shock 2 2 RS 422 and RS 232C Cable When using optical fiber or RS 422 cable it is possible to connect several Host Link Units to one host computer When RS 232C cable is used however the connection must either be on a one to one basis or a Link Adapter must be used to convert to optical or RS 422 cable As described below wiring will vary de pending on whether a Host Link Unit is connected directly to a host computer or whether it is connected indirectly through a Link Adapter Whe
36. ting points 4 Connecting method permanent Link Adapter 5 lengths of 500 m cable Link Adapter Transmission loss over the cable is 3 dB km Cable loss 3 dB km x 2 5 km 7 5 dB Connection loss 0 1 dB connection x 4 connections 0 4 dB Total loss 7 9 dB When this total transmission loss of 7 9 dB is subtracted from the 13 dB transmit receive differential of the Link Adapters it leaves a margin of 5 1 dB The 13 dB includes all loss at the Link Adapter connectors Example 2 Distance 2 km Connecting points 3 Connecting method connectors 4 F o o o vo Link Adapter 4 lengths of 500 m cable Link Adapter Transmission loss over the cable is 3 dB km Cable loss 3 dB km x 2 km 6 dB Connection loss 0 7 dB connector x 3 connectors 2 1 dB Total loss 8 1 dB When this total transmission loss of 8 1 dB is subtracted from the 13 dB transmit receive differential of the Link Adapters it leaves a margin of 4 9 dB safely above the minimum margin of 4 dB 2 5 Backup Power Supply Link Adapters which depend on a power supply i e all except the ALOO1 are unable to transmit signals when power is cut off Link Adapters ALOO2 P E ALO005 P E and ALOO6 P E however have auxiliary power input terminals which can be connected to a battery to ensure continued operation even when the AC power supply is cut off Using the Auxiliary Only the three Link Adapters listed above have this terminal They can operate
37. ystem connected to a branch line of the Link Adapter before signals are transmitted along the main line They should be kept connected ON when not needed When they are connected across signals are relayed along the Link Adapter s main line Once main line transmission has started signals will contin ue to be relayed even if the repeater input terminals are opened OFF Main li Link Adapter Main li ain line AL002 P E or ain line Link Adapter Link Adapter g input Master Branch system Units which may be connected to a branch line as is branch system above Units with repeat input Units without repeater input terminals terminals I O Link Units Units other than I O Link Units Branch To the repeater input Branch line L Relay Power source Repeater output Connect the Link Adapter s Connect so that the repeater input sill be ON when repeat input to the I O Link power is turned on in the Unit connected to the Unit s repeater output branch line in this case a Remote I O Slave If the repeater input is connected across directly not used in the above exam ple control system operation will begin when the Master detects the terminator even if power to the branch system is off In other words the branch system is ignored The repeater input is used to prevent this from happening When the repeater input is connected as shown above then the Link Adapter s main line will not transmit data as long as power is not tu
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