Mitsubishi Electric FR-A8NC Specifications

FR-A800 INVRERTER PLC FUNCTION PROGRAMMING MANUALBPLC Function1CC-Link communication2Sequence program3Error code list4INVERTERPLC FUNCTIONPROGRAMMING

Operation panel indicationPLC Function911.3 Operation panel indicationWhen a sequence program is running, the following indicators are displayed on th

Output (Y) status settings when STOP status → RUN statusSequence program9933.18 Output (Y) status settings when STOP status → RUN statusWhen changing

100Sequence programStructure of instructions3.19 Structure of instructionsMost of the instructions can be divided between the instruction section and

Bit device processing methodSequence program10133.20 Bit device processing methodProcessing methods available for when a bit device (X, Y, M) is speci

102Sequence programBit device processing method • When there is a digit specification on the destination (D) side, the number of points from the digit

Bit device processing methodSequence program1033 • When there is a digit specification on the destination (D) side, the number of points from the digi

104Sequence programHandling of numerical values3.21 Handling of numerical valuesThe PLC function has an instruction for handling values indicated in 1

Operation errorSequence program10533.22 Operation errorAn operation error occurs in the basic instruction in the following cases.When an error listed

106Sequence programSequence instructions list3.23 Sequence instructions list3.23.1 How to view the instruction list table1): Instructions are classifi

Sequence instructions listSequence program10734): Indicates the process description of each instruction.5): Details of the execution conditions for ea

108Sequence programSequence instructions list3.23.2 Sequence instructions listClassificationInstructionsymbolSymbol Process descriptionExecutionCondit

10PLC FunctionPLC function specifications1.4 PLC function specificationsThe following table shows the program capacity and devices of the PLC function

Sequence instructions listSequence program1093Non-processing-Non-processing.For program erasure or spacing.136Non-processing.New line instruction for

110Sequence programSequence instructions list3.23.3 Basic instructionsClassificationInstructionsymbolSymbol Process descriptionExecutionconditionRefer

Sequence instructions listSequence program111332-bitdata comparisonWhen (S1+1, S1)  (S2+1, S2), conductive.When (S1+1, S1) = (S2+1, S2),non-conductiv

112Sequence programSequence instructions listBIN 32-bitaddition/subtraction(D+1, D) + (S+1, S)(D+1, D)158(S1+1, S1) + (S2+1, S2)(D+1, D)(D+1, D) - (

Sequence instructions listSequence program113316-bittransfer(S)(D) 15032-bittransfer(S+1, S)(D+1, D) 165BIN 16-bit2's complement0 - (D)(D) 151

114Sequence programSequence instructions list3.23.4 Application instructionsClassificationInstruction symbolSymbol Process descriptionExecution condit

Sequence instructions listSequence program11533.23.5 Display instructionBIN 16-bit exclusive NOR(D) XOR (S)(D)178(S1) XOR (S2)(D)BIN 32-bit exclusiv

116Sequence programHow to view instructions3.24 How to view instructionsThe subsequent descriptions shall be in the following format.Description1) In

Sequence instructionsSequence program11733.25 Sequence instructionsSequence instructions are used in relay control circuits, etc.3.25.1 Contact instru

118Sequence programSequence instructionsExecution conditionThe instructions explained in this section are executed every scan irrespective of the dev

System configurationPLC Function1111.5 System configurationFor writing sequence programs to the inverter, use FR Configurator2 (Developer) on the pers

Sequence instructionsSequence program11933.25.2 Association instruction: ladder block series connection, parallel connection ... ANB, ORBFunction • T

120Sequence programSequence instructionsProgram exampleThe following two types of program coding are available for continuous series connection of la

Sequence instructionsSequence program12133.25.3 Association instruction: operation results, push, read, pop ... MPS, MRD, MPPFunction • The operation

122Sequence programSequence instructionsPOINTPOINT • The ladder is as shown below when MPS, MRD and MPP are used and when they are not used. • Be sure

Sequence instructionsSequence program1233Program example, , • Program using MPS, MRD and MPPMPSMRDMPP1)1)2)2) 3) 3)4)4)5)5)6)6)7)7)8)8)9)9)10)10)Cod

124Sequence programSequence instructions3.25.4 Output instruction: bit device, timer, counter ... OUTFunction • Operation results up to the OUT instr

Sequence instructionsSequence program1253 • When the operation result up to the OUT instruction is ON, the timer coil turns ON and counts up the value

126Sequence programSequence instructions3.25.5 Output instruction: device set, reset ... SET, RSTFunction • When SET input is turned ON, the specifie

Sequence instructionsSequence program1273Execution conditionThe SET and RST instructions are executed for each scan.NOTE • The number of steps is thr

128Sequence programSequence instructions3.25.6 Output instruction: rising, falling differential output ... PLS, PLFFunction • The specified device is

12PLC FunctionOperations of PLC function (Pr.414, Pr.415, Pr.498, Pr.1150 to Pr.1199)1.6 Operations of PLC function (Pr.414, Pr.415, Pr.498, Pr.1150 t

Sequence instructionsSequence program1293Program exampleProgram that executes the PLS instruction when X9 is turned ON.Program that executes the PLF

130Sequence programSequence instructions3.25.7 Shift instruction: bit device shift ... SFT, SFTPFunction • The ON/OFF status is shifted to the device

Sequence instructionsSequence program1313Program example • Program that shifts Y7 to YB when X8 turns ON. SFTExecutes shifts when X8 turns ON.Program

132Sequence programSequence instructions3.25.8 Master control instruction: master control set, reset ... MC, MCRFunction • This instruction is for cr

Sequence instructionsSequence program1333 • The master control release instruction that indicates the end of the master control range. • Do not add a

134Sequence programSequence instructionsTake note of the following points when using a nesting structure. • A maximum of 15 nests (N0 to 14) can be us

Sequence instructionsSequence program13533.25.9 Termination instruction: termination of main program ... FENDFunction • Execution of the FEND instruc

136Sequence programSequence instructions3.25.11Other instructions: non-processing ... NOP, NOPLF, PAGE nFunctionNon-processing instructions do not ha

Sequence instructionsSequence program1373Program example • Contact short-circuit (AND, ANI) • Contact short-circuit (LD, LDI)Caution is required beca

138Sequence programSequence instructions • Printing the ladder will result in the following: • Printing an instruction list with the NOPLF instruction

Prior to creating sequence programsPLC Function1311.7 Prior to creating sequence programs1.7.1 Precautions for creating sequence programsPOINTPOINT •

Basic instruction (16-bit)Sequence program13933.26 Basic instruction (16-bit)The basic instruction (16-bit) can handle 16 bits of numeric data.3.26.1

140Sequence programBasic instruction (16-bit)3.26.2 Comparison operation instruction: 16-bit data comparison ... =, <>, >, <=, <, >=

Basic instruction (16-bit)Sequence program1413Program exampleProgram that compares the X0 to F data with D3 data.Program that compares the BCD value

142Sequence programBasic instruction (16-bit)3.26.3 Arithmetic operation instructionAn arithmetic operation instruction instructs the addition, subtra

Basic instruction (16-bit)Sequence program14333.26.4 Arithmetic operation instruction: BIN 16-bit addition/subtraction ... +, +P, -, -PApplicable devi

144Sequence programBasic instruction (16-bit)Function • Executes addition of the BIN data specified with and BIN data specified with , and stores

Basic instruction (16-bit)Sequence program1453Execution conditionAddition/subtraction instructionProgram exampleProgram that adds the content of D3

146Sequence programBasic instruction (16-bit)3.26.5 Arithmetic operation instruction: BIN 16-bit multiplication/division ... *, *P, /, /PApplicable de

Basic instruction (16-bit)Sequence program1473Function • Executes multiplication of the BIN data specified with and BIN data specified with , and

148Sequence programBasic instruction (16-bit)Execution conditionThe execution conditions for multiplication/division instructions are as follows.Ope

14PLC FunctionPrior to creating sequence programs1.7.3 Sequence program execution Reset the inverter after configuring settings to enable the PLC fu

Basic instruction (16-bit)Sequence program14933.26.6 Arithmetic operation instruction: BIN 16-bit data increment/decrement ... INC, INCP, DEC, DECPFu

150Sequence programBasic instruction (16-bit)3.26.7 Data transfer instructionThe data transfer instruction is an instruction that executes the transfe

Basic instruction (16-bit)Sequence program15133.26.9 Data conversion instruction: 2’s complements of BIN 16-bit data ... NEG, NEGPFunction • Invert t

152Sequence programBasic instruction (16-bit)Program example • Program that calculates D10 to D20 when XA is turned ON, and calculates the absolute v

Basic instruction (16-bit)Sequence program15333.26.10Data conversion instructions: BIN 16-bit data BCD conversions ... BCD, BCDPFunction • Converts B

154Sequence programBasic instruction (16-bit)3.26.11Data conversion instructions: BIN 16-bit data BIN conversions ... BIN, BINPFunction • Converts BC

Basic instruction (32-bit)Sequence program15533.27 Basic instruction (32-bit)The basic instruction (32-bit) is an instruction that can handle numeric

156Sequence programBasic instruction (32-bit)3.27.2 Comparison operation instruction: 32-bit data comparison ... D=, D<>, D>, D<=, D<,

Basic instruction (32-bit)Sequence program1573Program exampleProgram that compares the M0 to 31 data with D3 and D4 data.Program that compares the BC

158Sequence programBasic instruction (32-bit)3.27.3 Arithmetic operation instructionAn arithmetic operation instruction instructs the addition, subtra

Prior to creating sequence programsPLC Function1511.7.4 Setting the communication parameterPOINTPOINT • For RS-485 communication between the inverter

Basic instruction (32-bit)Sequence program1593Function • Executes addition of the BIN data specified with and BIN data specified with , and stores

160Sequence programBasic instruction (32-bit)Execution conditionAddition/subtraction instructionProgram exampleProgram that adds the X10 to X2B 28-b

Basic instruction (32-bit)Sequence program16133.27.5 Arithmetic operation instruction: BIN 32-bit multiplication/division ... D*, D*P, D/, D/PFunctio

162Sequence programBasic instruction (32-bit) • Executes division of the BIN data specified with and BIN data specified with , and stores the resul

Basic instruction (32-bit)Sequence program1633Operation errorAn operation error occurs in the following cases, and the error flag turns ON. • When A1

164Sequence programBasic instruction (32-bit)3.27.6 Arithmetic operation instruction: BIN 32-bit data increment/decrement ... DINC, DINCP, DDEC, DDECP

Basic instruction (32-bit)Sequence program16533.27.7 Data transfer instructionThe data transfer instruction is an instruction that executes the transf

166Sequence programBasic instruction (32-bit)Program example • Program that stores the input D2 to D3 data in D0 and D1. • Program that stores M0 to

Basic instruction (32-bit)Sequence program16733.27.9 Data conversion instruction: 2's complements of BIN 32-bit data ... DNEG, DNEGPFunction • I

168Sequence programBasic instruction (32-bit)3.27.10Data conversion instructions: BIN 32-bit data BCD conversions ... DBCD, DBCDPFunction • Converts

16PLC FunctionPrior to creating sequence programs1.7.5 Writing sequences programsPOINTPOINT • Sequence programs can be written in any operation mode (

Basic instruction (32-bit)Sequence program16933.27.11Data conversion instructions: BIN 32-bit data BIN conversions ... DBIN, DBINPFunction • Converts

170Sequence programApplication instructions (16-bit)3.28 Application instructions (16-bit)Application instructions (16-bit) are used when special proc

Application instructions (16-bit)Sequence program17133.28.2 Logical operation instruction: BIN 16-bit logical AND ... WAND, WANDPApplicable deviceDigi

172Sequence programApplication instructions (16-bit)Function • Logical AND is executed for each bit of the 16-bit data of the device specified with

Application instructions (16-bit)Sequence program1733 • Program that executes logical AND for X10 to 1B data and D33 data when XA turns ON, and output

174Sequence programApplication instructions (16-bit)3.28.3 Logical operation instruction: BIN 16-bit logical OR ... WOR, WORPFunction • Logical OR is

Application instructions (16-bit)Sequence program1753Execution condition • The execution conditions for logical OR instructions are as follows.Progr

176Sequence programApplication instructions (16-bit)3.28.4 Logical operation instruction: BIN 16-bit data exclusive OR ... WXOR, WXORPFunction • Excl

Application instructions (16-bit)Sequence program1773Execution conditionThe execution conditions for exclusive OR instructions are as follows.Progra

178Sequence programApplication instructions (16-bit)3.28.5 Logical operation instruction: BIN 16-bit data exclusive NOR ... WXNR, WXNRPFunction • Exc

Device mapPLC Function1711.8 Device map1.8.1 I/O device mapDevice numberName RemarksDevice numberName RemarksExternal input/outputX00 Terminal STFExte

Application instructions (16-bit)Sequence program1793Execution conditionThe execution conditions for exclusive NOR instructions are as follows.Progr

180Sequence programApplication instructions (32-bit)3.29 Application instructions (32-bit)Application instructions (32-bit) are used when special proc

Application instructions (32-bit)Sequence program18133.29.2 Logical operation instruction: BIN 32-bit logical AND ... DAND, DANDPApplicable deviceDigi

182Sequence programApplication instructions (32-bit)Function • Logical AND is executed for each bit of the 32-bit data of the device specified with

Application instructions (32-bit)Sequence program1833Program example • The following program performs a logical product operation on the data at D99

184Sequence programApplication instructions (32-bit)3.29.3 Logical operation instruction: BIN 32-bit logical OR ... DOR, DORPApplicable deviceDigit sp

Application instructions (32-bit)Sequence program1853Function • Logical OR is executed for each bit of the 32-bit data of the device specified with

186Sequence programApplication instructions (32-bit)Program example • The following program performs a logical sum operation on the 32-bit data from

Application instructions (32-bit)Sequence program18733.29.4 Logical operation instruction: BIN 32-bit data exclusive OR ... DXOR, DXORPApplicable devi

188Sequence programApplication instructions (32-bit)Function • Exclusive OR is executed for each bit of the 32-bit data of the device specified with

18PLC FunctionDevice mapSystem I/OX20Operation mode setting read completeSD1140 Y20Operation mode setting read commandSD1140X21Set frequency read comp

Application instructions (32-bit)Sequence program1893Program example • The following program conducts an exclusive OR operation on the data at D20 an

190Sequence programApplication instructions (32-bit)3.29.5 Logical operation instruction: BIN 32-bit data exclusive NOR ... DXNR, DXNRPFunction • Exc

Application instructions (32-bit)Sequence program1913 • Exclusive NOR is executed for the 32-bit data of the device specified with and 32-bit data o

192Sequence programDisplay instruction3.30 Display instruction3.30.1 Character string data transfer ... $MOV, $MOVPFunction • The character string da

Display instructionSequence program19333.30.2 Character string output ... G. PRR, GP.PRR, UMSGFunctionn is not used, but specify U.Register the data

194Sequence programDisplay instruction Setting data: For user monitor nameSet the monitor name as shown below when SD1216 to 1218 are monitored by th

Display instructionSequence program1953 Setting data: For user parameter nameSet the parameter name as shown below to display the read user parameter

196Sequence programDisplay instruction Setting data: For unit namesThis function sets up the increment for the user monitors SD1216 to SD1218 or the

4Error code list1974 Error code list4.1 How to read error codes... 198

198Error code listHow to read error codesIf an error occurs when PLC function is RUN or during RUN, an error indication is generated by the self-diagn

CONTENTSCONTENTS11 PLC Function 71.1 Applicable inverter model ...

Device mapPLC Function1911.8.2 Internal relay (M) device map1.8.3 Data register (D) device map1.8.4 Special relaySpecial relay is an internal relay wh

How to read error codesError code list19945001 WDT ERROR• The program scan time exceeded the watchdog timer value set in the PLC RAS setting of the PL

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201APPENDIXAppendix 1 Instruction processing time... 202

202Instruction processing timeAppendix 1 Instruction processing timeBasic instructions Sequence instructions  Comparison operation instructionsClas

Instruction processing time203 Arithmetic operation instructions Data transfer instructions Data conversion instructions When all the devices use

204Instruction processing timeApplication instructions Logical operation instructions  Instructions regarding the message display on PU When all

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206REVISIONS*The manual number is given on the bottom left of the back cover.Print date *Manual number RevisionAug. 2013 IB(NA)-0600492ENG-A First edi

FR-A800 INVRERTER PLC FUNCTION PROGRAMMING MANUALBPLC Function1CC-Link communication2Sequence program3Error code list4INVERTERPLC FUNCTIONPROGRAMMING

20PLC FunctionDevice mapSM1205Inverter operating status control flag (JOG)Flag used for controlling the inverter terminal JOG.SM1206Inverter operating

Device mapPLC Function211 Even if the FR-A8AY or FR-A8AR is not installed, Pr.313 to Pr.322 are accessible during PLC function operation, and the op

22PLC FunctionDevice map1.8.5 Special registerSpecial register is a data register in which the application is already determined in the PLC function.

Device mapPLC Function231Special registerSD5 to SD15 Common error informationWhen the common information category code is 4, the program error locatio

24PLC FunctionDevice mapSpecial registerSD210 Clock dataYear (the last two digits of the year) is stored in BCD code.-SD211 Clock dataDate and hour ar

Device mapPLC Function251Special register for controlSD1136 Faults history 1, 2Faults in the inverter are stored in the order of occurrence. 31SD1137

26PLC FunctionDevice mapSpecial register for controlSD1151 Inverter statusOperating status of the inverter is stored.42SD1152 Frequency setting value

Device mapPLC Function271Special register for controlSD1174Position command (upper 16 bits)Stores the position command setting value (upper 16 bits).

28PLC FunctionDevice map Settings differ according to the inverter capacity. (FR-A820-03160(55K) or lower and FR-A840-01800(55K) or lower, FR-A820-0

2CONTENTS1.14 PID control ... 491.15 Cleari

Device mapPLC Function291Device number Name Description PageSpecial register for controlSD1236Pulse train input sampling pulseThe number of pulses cou

30PLC FunctionSpecial registers to monitor and control inverter status1.9 Special registers to monitor and control inverter statusRead from and write

Special registers to monitor and control inverter statusPLC Function311Faults history (error code and error definition)When the inverter fails, it st

32PLC FunctionSpecial registers to monitor and control inverter statusFault clear signal (X51 signal)When an inverter fault occurs, X51 signal clears

Special registers to monitor and control inverter statusPLC Function331Self-diagnostic error, error number and detailsWhen an operation error occurs

34PLC FunctionSpecial registers to monitor and control inverter status1.9.2 Data read by controlling read command (from OFF to ON)The operation mode a

Special registers to monitor and control inverter statusPLC Function351Set frequency read (RAM) (SD1141)The frequency set in RAM can be read out from

36PLC FunctionSpecial registers to monitor and control inverter status1.9.3 Data writing method by controlling write command (from OFF to ON)Writing o

Special registers to monitor and control inverter statusPLC Function371Writing operation mode settings (SD1143)Data content:The method for changing o

38PLC FunctionSpecial registers to monitor and control inverter statusPOINTPOINT • This can be set in PU operation mode and NET operation mode. Refer

CONTENTSCONTENTS33.8 Values that can be used in sequence programs... 803.8.1 BIN (binary) ...

Special registers to monitor and control inverter statusPLC Function391Batch clear of fault records (SD1146)When H9696 is written to SD1146, fault re

40PLC FunctionSpecial registers to monitor and control inverter status<Program example of clearing all parameters>The following description is o

Special registers to monitor and control inverter statusPLC Function411Inverter operating status control enable/disable setting (SD1149)The inverter

42PLC FunctionSpecial registers to monitor and control inverter status1.9.5 Inverter parameter access error (SD1150)When an out-of-range setting value

Special registers to monitor and control inverter statusPLC Function4311.9.7 User-defined error (SD1214)By setting the values "16 to 20" in

44PLC FunctionRead/Write method of inverter parameters1.10 Read/Write method of inverter parameters1.10.1 Reading inverter parametersTo read a paramet

Read/Write method of inverter parametersPLC Function4511.10.2 Writing inverter parametersTo write to a parameter, store the parameter number in SD1241

46PLC FunctionUser area reading/writing1.11 User area reading/writingInverter parameters Pr.1150 to Pr.1199 can be used as user parameters.Since this

Analog I/O functionPLC Function4711.12 Analog I/O function1.12.1 Analog inputAnalog input values from terminals 1, 2, and 4 can be read from SD1245 to

48PLC FunctionPulse train input function1.13 Pulse train input functionPulse train input values from terminal JOG can be read with the PLC function.To

4CONTENTS3.25 Sequence instructions... 1173.25.1 Contact instruc

PID controlPLC Function4911.14 PID controlSet Pr.128 (Pr.753) to enable setting of set point/ deviation and measured value for PID control with PLC fu

50PLC FunctionClearing the flash memory of the PLC functionNOTE • Depending on the setting value of Pr.128 (Pr.753), SD1248 (SD1308) automatically swi

Constant scanPLC Function5111.16 Constant scanA constant scan time can be maintained for the sequence programs.Configure the setting using FR Configur

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2CC-Link communication532 CC-Link communication2.1 System configuration ...

54CC-Link communicationSystem configuration2.1 System configuration2.1.1 System configuration example • Programmable controller sideMount the "CC

System configurationCC-Link communication5522.1.2 Function block diagramThe following function blocks explain the I/O information flow to and from the

56CC-Link communicationCC-Link parameter2.2 CC-Link parameter2.2.1 CC-Link extended setting (Pr.544)The functions of the remote register can be extend

CC-Link I/O specificationsCC-Link communication5722.3 CC-Link I/O specifications2.3.1 I/O signals when one station in the CC-Link Ver.1 is occupied (P

58CC-Link communicationCC-Link I/O specifications("n" indicates a value determined by the station number setting.) These signal names are

CONTENTSCONTENTS53.27.7 Data transfer instruction ...

CC-Link I/O specificationsCC-Link communication5922.3.2 I/O signals when the double setting is set in CC-Link Ver.2 (Pr.544 = "112")The numb

60CC-Link communicationCC-Link I/O specifications("n" indicates a value determined by the station number setting.) These signal names are

CC-Link I/O specificationsCC-Link communication6122.3.3 I/O signals when the quadruple setting is set in CC-Link Ver.2 (Pr. 544 = "114")The

62CC-Link communicationCC-Link I/O specifications2.3.4 I/O signals when the octuple setting is set in CC-Link Ver.2 (Pr. 544 = "118")The num

CC-Link I/O specificationsCC-Link communication632("n" indicates a value determined by the station number setting.)PLC functiondevice number

64CC-Link communicationBuffer memory2.4 Buffer memory2.4.1 Remote output signals (master station to inverter (FR-A8NC)) • Input statuses to the remote

Buffer memoryCC-Link communication6522.4.2 Remote input signals Pr.544 = "100" (inverter (FR-A8NC) to master station) • Input statuses from

66CC-Link communicationBuffer memory2.4.3 Remote registers Pr.544 = "100" (master station to inverter (FR-A8NC)) • Data to be sent to remote

Buffer memoryCC-Link communication6722.4.4 Remote registers Pr.544 = "100" (inverter (FR-A8NC) to master station) • Data sent from the remot

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6CONTENTSAbout the related manualsThe manuals related to A800 PLC function are shown below. The download of the latest manuals is free at the Mitsubi

3Sequence program693 Sequence program3.1 Overview ...

70Sequence programOverview3.1 Overview3.1.1 Overview of operationThe following description is of the overview of processing performed after the invert

OverviewSequence program713·I/O initialization·Data memory initialization·Self-diagnostic checksStep 0toUntil execution of END instructionEND processi

72Sequence programRUN/STOP operation3.2 RUN/STOP operationThe PLC function has two operating statuses, a RUN state and a STOP state.The following desc

Programming languageSequence program7333.4 Programming languageProgramming the PLC function can be performed through two methods. One uses figures and

74Sequence programProgramming languageSequence program operation methodThe sequence program is operated repeatedly from the ladder block at step 0 th

Programming languageSequence program7533.4.2 Function block (FB)A function block (FB) is a repeatedly used ladder blocks that is treated as a componen

76Sequence programOperation processing method of the PLC function3.5 Operation processing method of the PLC function The PLC function uses the repetit

I/O processing methodSequence program7733.6 I/O processing methodThe control method is a refresh method.3.6.1 Refresh methodThe refresh method stores

78Sequence programI/O processing method3.6.2 Response delay in refresh modeThe following description is about the output delay for the varied inputs.A

1PLC Function71 PLC FunctionThis instruction manual explains the functions and devices required for programming. 1.1 Applicable inverter model ...

Scan timeSequence program7933.7 Scan timeScan timeScan time is the time period from operation execution of a sequence program from step 0 until execu

80Sequence programValues that can be used in sequence programs3.8 Values that can be used in sequence programsFor the PLC function, data such as value

Values that can be used in sequence programsSequence program8133.8.1 BIN (binary)BinaryBIN represents a value with 0 (OFF) and 1 (ON).In decimal nota

82Sequence programValues that can be used in sequence programs3.8.2 HEX (hexadecimal)HEXHEX represents four bits of binary data with one digit.BIN us

Explanation of devicesSequence program8333.9 Explanation of devices3.9.1 Device listThe following list shows device names and ranges that can be used

84Sequence programExplanation of devices3.9.2 I/O X and YThe input and output are devices that are used for communication between the inverter and ext

Explanation of devicesSequence program853Output Y • The output performs output of program control results to external devices (signal lights, digital

86Sequence programExplanation of devices3.9.4 Timer TThe PLC function uses up-timing timers.The up-timing timer starts measuring a present value when

Explanation of devicesSequence program873100 ms retentive timer • The 100 ms retentive timer is a timer that measures the time period during which it

88Sequence programExplanation of devicesAccuracyThe value obtained by the END instruction is added to the current value when the OUT T instruction i

8PLC FunctionApplicable inverter model1.1 Applicable inverter modelThis manual explains the PLC function of the FR-A800 series.1.2 Function block diag

Counter CSequence program8933.10 Counter CThe PLC function uses up-timing counters.The up-timing counter turns its contact ON when the count value rea

90Sequence programCounter C3.10.1 Count process in refresh modeThe counter counts at the rise of the counter's input conditions stored at input r

Data register DSequence program9133.11 Data register D • Data registers are memories that can store numerical data (from -32768 to 32767 or from H0000

92Sequence programSpecial relays and special registers3.12 Special relays and special registersSpecial relays and special registers are internal relay

Function listSequence program9333.13 Function listNOTE • The following functions cannot be used.Constant scan, latch (retention at power failure), PAU

94Sequence programRUN/STOP method of PLC function from an external source (remote RUN/STOP)3.14 RUN/STOP method of PLC function from an external sourc

RUN/STOP method of PLC function from an external source (remote RUN/STOP)Sequence program953 • Using FR Configurator2 (Developer)RUN/STOP can be perfo

96Sequence programWatchdog timer (watchdog error supervision timer)3.15 Watchdog timer (watchdog error supervision timer)Watchdog timerThe watchdog t

Self-diagnostic functionSequence program9733.16 Self-diagnostic functionThe self-diagnostic function diagnoses the presence of an error within the PLC

98Sequence programRegistering file password3.17 Registering file passwordThis function sets write password and read password for each file stored in t