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FX Series Programmable Controlers Applied Instructions 5e) The available operating modes are split into two main groups, manual and automatic. Thereare sub-modes to these groups. Their operation is defined as:ManualManual (selected by device S+0)- Power supply to individual loads is turned ON and OFF byusing a separately provided means, often additional push buttons.Zero Return (selected by device S+1) -Actuators are returned to their initial positions when theZero input (S+5) is given.AutomaticOne Step (selected by device S+2)- The controlled sequence operates automatically but willonly proceed to each new step when the start input (S+6) is given.One Cycle (selected by device S+3) - The controlled actuators are operated for one operationcycle. After the cycle has been completed, the actuators stop at their ‘zero’ positions. Thecycle is started after a ‘start’ input (S+6) has been given.A cycle which is currently being processed can be stopped at any time by activating the ‘stop’input (S+7). To restart the sequence from the currently ‘paused’ position the start input must begiven once more.Automatic (selected by device S+4)-Fully automatic operation is possible in this mode. Theprogrammed cycle is executed repeatedly when the ‘start’ input (S+6) is given. The currentlyoperating cycle will not stop immediately when the ‘stop’ input (S+7)is given.The current operation will proceed to then end of the current cycle and then stop its operation.Note: Start, stop and zero inputs are often given by additional, manually operated pushbuttons.Please note that the ‘stop’ input is only a program stop signal. It cannot be used as areplacement for an ‘Emergency stop’ push button. All safety, ‘Emergency stop’ devices shouldbe hardwired systems which will effectively isolate the machine from operation and externalpower supplies. Please refer to local and national standards for applicable safety practices.5-68
FX Series Programmable Controlers Applied Instructions 55.7.2 SER (FNC 61)FX0(S) FX0N FX FX(2C) FX2N(C)MnemonicSERFNC 61(Search aData Stack)FunctionGenerates a listof statisticsabout a singledata valuelocated/found ina data stackOperandsS1 S2 D nKnX, KnY,KnM, KnS,T, C, DKnX, KnY,KnM, KnS,T, C, DV, ZK, HKnY, KnM,KnST, C, DNote: 5consecutivedevicesare usedK,H, DNote:n= 1~256 for 16bit operationn= 1~128 for32 bitoperationProgram stepsSER, SERP:9 stepsDSER,DSERP:17 stepsFX0(s)PULSE-PFX0N FX FX(2C) FX2N(C)Operation:The SER instruction searches a defined data stackfrom head address S1, with a stack length n. Thedata searched for is specified in parameter S2 andthe results of the search are stored at destinationdevice D for 5 consecutive devices.DestinationdeviceDevice descriptionD Total number of occurrences of the searched value S2 (0 if no occurrences are found)D+1 The position (within the searched data stack) of the first occurrence of the searched value S2D+2 The position (within the searched data stack) of the last occurrence of the searched value S2D+3D+416 BIT OPERATIONFX0(s) FX0N FX FX(2C) FX2N(C) 32 BIT OPERATIONFX0(s) FX0N FX FX(2C) FX2N(C)The position (within the searched data stack) of the smallest value found in the datastack (last occurrence is returned if there are multiple occurrences of the same value)The position (within the searched data stack) of the largest value found in the data stack(last occurrence is returned if there are multiple occurrences of the same value)Points to note:a) Normal rules of algebra are used to determine the largest and smallest values, i.e. -30 issmaller than 6 etc.b) If no occurrence of the searched data can be found then destination devices D, D+1 andD+2will equal 0 (zero).c) When using data register s as the destination device D please remember that 16 bitoperation will occupy 5 consecutive, data registers but 32 bit operation will occupy 10 dataregisters in pairs forming 5 double words.d) When multiple bit devices are used to store the result (regardless of 16 or 32 bit operation),only the specified size of group is written to for 5 consecutive occurrences, i.e. K1Y0 wouldoccupy 20 bit devices from Y0 (K1 = 4 bit devices and there will be 5 groups for the 5results). As the maximum data stack is 256 (0 to 255) entries long, the optimum group of bitdevices required is K2, i.e. 8 bit devices.5-69
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PROGRAMMING MANUALTHE FX SERIES OF
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FX Series Programmable Controllers
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Introduction 11. IntroductionFX0(S)
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Introduction 11.4 CPU version numbe
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Introduction 1Using the new Interru
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