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Safety Precautions Observe the following notices to ensure personal safety or to prevent accidents. To ensure that you use this product correctly, read this User’s Manual thoroughly before use. Make sure that you fully understand the product and information on safety. This manual uses two safety flags to indicate different levels of danger. WARNING If critical situations that could lead to user’s death or serious injury is assumed by mishandling of the product. -Always take precautions t
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FP2−CCU Tableof Contents TableofContents Interchangeability with the FP3 and Precautions ............................... iii Chapter1 FunctionsofComputerCommunicationUnit 1.1 Functions and Features ............................................1 −3 1.1.1 Functions and Features ....................................1 −3 1.1.2 Unit Part No...............................................1 −3 1.2 Unit Operation ....................................................1 −4 1.2.1 Operation Overview.............
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Tableof Contents FP2−CCU Chapter4 RS232CPortWiring 4.1 RS232C Port Signals ..............................................4 −3 4.2 Wiring between RS232C Ports ......................................4 −5 4.2.1 Connecting to a Personal Computer .........................4 −5 4.2.2 Connections with Operation Display Panel ....................4 −6 4.2.3 Connections with RS232C Devices ..........................4 −7 4.2.4 Modem Connections .......................................4 −8 Chapter5 Troubleshoo
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FP2−CCU Interchangeabilitywiththe FP3 andPrecautions InterchangeabilitywiththeFP3and Precautions Hardwareinterchangeability The user should be aware that there are some differences between the FP2 and FP3 Computer Communication Units. −TheDIPswitchsettingsaredifferent. With the FP2 Computer Communication Unit, only the transmission speed and the character bit can be set with the DIP switches. The settings for the parity, the stop bit length,andwhetherornottheCSandCDcontrolsignalsareeffectivearef
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Interchangeabilitywiththe FP3 andPrecautions FP2−CCU ComparisonofspecificationsbetweentheFP2andFP3Computer CommunicationUnits Settingitem Setvalue FP2 FP3 No.ofports — 2 ports 1 port Transmissionspeed(Baudrate) 19,200 bits/s φ φ 9,600 bits/s φ φ 4,800 bits/s φ φ 2,400 bits/s — φ 1,200 bits/s — φ 600 bits/s — φ 300 bits/s — φ Transmissionspeed(Baudrate) 9,600 bits/s φ — when whenmodem modemis isconnected connected 2,400 bits/s — φ Characterbit 7 −bit φ φ 8 −bit φ φ Parity None — φ Odd φ φ Even —
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Chapter1 FunctionsofComputerCommunicationUnit 1.1 Functions and Features ..........................1 −3 1.1.1 Functions and Features ..................1 −3 1.1.2 Unit Part No. ............................1 −3 1.2 Unit Operation ..................................1 −4 1.2.1 Operation Overview......................1 −4 1.3 Restrictions on Units Combination .................1 −6 1.3.1 Restrictions on Current Consumption.......1 −6 1.3.2 Restrictions on Installation Position ........1 −6 1.3.3 Restri
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Functionsof ComputerCommunicationUnit FP2−CCU 1 −2
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FP2−CCU Functionsof ComputerCommunicationUnit 1.1 FunctionsandFeatures 1.1 FunctionsandFeatures 1.1.1 FunctionsandFeatures The FP2 Computer Communication Unit is designed for use with the FP2/FP2SH progra,mmablecontroller.Itisusedasacommunicationinterfacethatallowsdatatobe read and written between an RS232C device such as a personal computer or display panel, and a CPU unit. Host computer (Personal computer) Operation display panel RS232C Canbeconnected toadisplaypanelandcomputer. Enables a 1:1
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Functionsof ComputerCommunicationUnit FP2−CCU 1.2 UnitOperation 1.2 UnitOperation 1.2.1 OperationOverview TheComputerCommunicationUnitreadsandwritesdataandcontactsoftheCPUunit by the host computer, through an RS232C interface. When a command is sent from a host side, a response is returned from the PLC side. The formats of commands and responses are determined by the MEWTOCOL, which is the communication protocol for the FP series of PLCs. Programs for host side devices such as computers and disp
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FP2−CCU Functionsof ComputerCommunicationUnit 1.2 UnitOperation Note Thisunitdoesnotsupportextension header(<).UsetheMulti Communication Unit. Tip MEWTOCOLcommunicationprotocolforFPseriesaregenerallyconfigured as shown below. Commandformat (Example showing command for reading data) % 0 1 #R D D0000000001 CR * * Start code End code Destination BCC(Block Check Code) Indicates command Data specification *D 00000 00001 indicates data registers DT0to DT1. Type of command *RDstands for “Read Data”. Re
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Functionsof ComputerCommunicationUnit FP2−CCU 1.3 RestrictionsonUnits Combination 1.3 RestrictionsonUnitsCombination 1.3.1 RestrictionsonCurrentConsumption The power supply (5 V DC) used to drive the internal circuits of the Computer CommunicationUnitandotherunitsisprovidedfromthepowersupplyunit,throughthe backplane. The overall current consumption, including the current used by other units, should not exceed the rated capacity of the power supply unit. Unitname PartNo. Currentconsumption (at5VD
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FP2−CCU Functionsof ComputerCommunicationUnit 1.3 RestrictionsonUnitsCombination 1.3.3 RestrictionsonNumberofUnitsthatcanbeInstalled ThenumberofComputerCommunicationUnitsthatcanbeinstalledisasshowninthe table below. Unittype WhenFP2CPUunitisused WhenFP2SHCPUunitisused ComputerCommunicationUnit Only one. Up to five units, using ComputerCom- Up to three units can be used if they munication Units and Multi −wireLink are used within the range of restric- Unit (MEWNET −Wmode) in combina- tions descri
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Functionsof ComputerCommunicationUnit FP2−CCU 1.4 CommunicationConditionsandRestrictionsRelatingto Functions 1.4 Communication Conditions andRestrictions RelatingtoFunctions 1.4.1 PrecautionswhenUsingtheFP2CPUUnit −1 If the processing of commands and responses sent from a host computer or display panelextendsovermultipleframes,abusyerror(errorcode53)willbereturnedtoother portsifcommunicationiscurrentlybeingcarriedoutononeport,andcommunicationwill be inhibited on those other ports. Combinations t
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FP2−CCU Functionsof ComputerCommunicationUnit 1.4 CommunicationConditionsandRestrictionsRelatingto Functions Tip − “Multiple frames” means that, if a command or response exceeds 118 bytes, the command or response is divided into multiple segments and transmitted or received. For example, this applies in cases such as when a program is read from a tool port, when commands, which continuously read multiple data, are transmitted from a host side. − If using the FP2SH CPU unit, the above restriction
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Functionsof ComputerCommunicationUnit FP2−CCU 1.4 CommunicationConditionsandRestrictionsRelatingto Functions Asimilarrestrictionalsoappliesifaccessisbeingmadefromanotherstationconnected with the link unit. 5 1 5 A3 M ¦ L UnitNo. 1 (sourcestation) UnitNo. 2 (otherstation) Power Power CPU CCU CCU MW CPU MW supply supply B CC D A DD C If remoteprogrammingis usedto changethe monitor- ingdestinationfrom anotherstationconnectedwith the Multi −wireLinkUnit(MW), the mon
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Chapter2 NamesandFunctionsofParts 2.1 Names and Functions of Parts ....................2 −3 2.1.1 Names and Functions of Parts ............2 −3 2.1.2 Operating Status LEDs ...................2 −4 2.1.3 COM.1and COM.2Ports (9 Pins)..........2 −5 2.1.4 Transmission Format Setting Switch .......2 −6
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NamesandFunctionsof Parts FP2−CCU 2 −2
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FP2−CCU NamesandFunctionsof Parts 2.1 NamesandFunctionsof Parts 2.1 NamesandFunctionsofParts 2.1.1 NamesandFunctionsofParts Front Back 1 OperatingstatusLEDs This displays the operating status of the unit, such as communication conditions and error/alarm situations. 2 COM.1port(RS232C)andCOM.2port(RS232C) These ports are used to connect the RS232C connector of an RS232C device such as a personal computer or display panel, using a shielded cable. 3 Transmission formatsettingswitch These switches a
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NamesandFunctionsof Parts FP2−CCU 2.1 NamesandFunctionsof Parts 2.1.2 OperatingStatusLEDs These display the operating status of the unit, such as communication conditions and error/alarm situations. Display Operation ALARM(red) Lighted: Unit error(lights on watchdog timer error) Not lighted: Goes out when there is no error COM.1 SD(green) Flashes while data is being sent Send SendData Datamonitor monitor Goes out when no data is being sent RD(green) Flashes while data is being received Receive R
