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FX2N-5A Special function block USER`S MANUAL

1. iii 1 Introduction 1 1 2 External Dimensions and Parts 2 1 3 Installation 3 1 4 Connection to PLC 4 1 5 Wiring 5 1 5 1 Caution 5 1 5 2 Input Wiring 5 2 5 3 Output Wiring 5 3 6 Specifications 6 1 7 Buffer Memory BFM 7 1 7 1 Buffer Memories BFM lists 7 2 7 2 Details of buffer memories 7 12 7 2 1 BFM 0 input mode specification READ WRITE
2. 9 4 Associated Manuals List A 1 FX2N 5A Special function block Contents xii Introduction 1 1 1 1 Introduction The FX2N 5A analog special function block has four input channels and one output channel The input channels receive analog signals and converts them to the comparable digital values The output channel takes a digital value and outputs an equivalent analog signal 1 Analog signal inputs can be selected from either voltage or current input The applicable analog signal input is set using the TO instruction supplied by the PLC main unit This PLC instruction is used to select different analog input signal types for each corresponding channel 2 The FX2N 5A can be connect to FX0N FX1N FX2N FX2NC FX3U FX3UC series PLC 3 Up to 2 FX2N 5A units can be connected to FX0N main unit FX0N extension unit FX1N Main unit Up to 8 FX2N 5A units can be connected to FX2N FX3U FX3UC 1 Series PLC Up to 4 FX2N 5A units can be connected to one FX2NC Series PLC For connection to the FX2NC Series PLC an FX2NC CNV IF is required For connection to the FX3UC Series PLC an FX2NC CNV IF or FX3UC 1PS 5V is required Data transfer with the PLC is performed via buffer memories of the FX2N 5A using FROM TO Instructions 1 Up to 7 units can be connected to an FX3UC 32MT LT PLC FX2N 5A Special function block FX2N 5A
3. 7 12 7 2 2 BFM 1 output mode specification READ WRITE 7 14 7 2 3 BFM 2 to BFM 5 Number of averaging times READ WRITE 7 16 7 2 4 BFM 6 to BFM 9 Averaged Input Channel data READ only 7 17 7 2 5 BFM 10 to BFM 13 Immediate Input Channel data READ only 7 17 7 2 6 BFM 14 Analog Output data READ WRITE 7 17 7 2 7 BFM 15 Calculated Analog output data when direct control function is active READ only 7 17 7 2 8 BFM 16 to BFM 17 Reserved 7 17 7 2 9 BFM 18 hold reset analog output when PLC is stopped READ WRITE 7 18 7 2 10 BFM 19 setting change enable disable READ WRITE 7 19 7 2 11 BFM 20 Initialization function reset all values to default READ WRITE 7 20 FX2N 5A Special function block Contents x 7 2 12 BFM 21 Writes I O characteristics offset gain Scaling function setting READ WRITE 7 21 7 2 13 BFM 22 Convenient functions setting READ WRITE 7 22 7 2 14 BFM 23 Set parameter for direct control betwe
4. 10 10 10000 Approx 10 239 Approx 10239 Approx 10240 10000 Approx 10 240 Output Voltage V Digital value Output current mA 0 20 20000 4 4000 Approx 20479 Approx 20 479 Digital value Output current mA 0 20 20000 Approx 20479 Approx 20 479 0 FX2N 5A Special function block Adjustment of I O Characteristics 8 8 8 8 2 Adjustment of I O characteristics Adjust the I O characteristics using the buffer memories in the FX2N 5A At first write the input output mode to BFM 0 and BFM 1 write the offset data to BFM 41 to BFM 45 then write the gain data to BFM 51 to BFM 55 Finally update the offset data and the gain data of each channel using BFM 21 FX2N 5A Special function block Adjustment of I O Characteristics 8 8 9 Figure 8 1 Example program The I O characteristics can be written BFM 21 to one channel at a time or two or more channels at a time M100 K0 K0 H1600 K1 TO K0 K1 H0001 K1 TO K0 K41 K0 K1 TO K0 K51 K6000 K1 TO K0 K44 K0 K1 TO K0 K54 K10000 K1 TO K0 K21 H001B K1 Specifies the input mode of CH1 to CH4 Specifies the output mode Writes the offset value of CH1 Writes the gain value of CH1 Writes the gain value of CH4 Writes the offset value of CH4 Offset value gain value of analog input channel CH1 CH2 CH4 and the analog output channel is write TO TO K0 K45
5. 100 100 10000 Approx 10239 Approx 102 397mV Approx 102 400mV 10000 Approx 10240 Input voltage mV FX2N 5A Special function block Adjustment of I O Characteristics 8 8 5 Output characteristics 0 Voltage output 32000 to 32000 10 to 10V 1 Voltage output 2000 to 2000 10 to 10V Digital value 10 10 32000 Approx 10 240 Approx 32767 Approx 32768 32000 Approx 10 240 Output Voltage V Digital value 10 10 2000 Approx 10 240 Approx 2047 Approx 2048 2000 Approx 10 240 Output Voltage V FX2N 5A Special function block Adjustment of I O Characteristics 8 8 6 2 Current output 0 to 32000 4 to 20mA 3 Current output 0 to 1000 4 to 20mA 4 Current output 0 to 32000 0 to 20mA 5 Current output 0 to 1000 0 to 20mA Digital value Output current mA 0 4 20 32000 Approx 32767 Approx 20 38 Digital value Output current mA 0 4 20 1000 Approx 1023 Approx 20 38 Digital value Output current mA 0 20 32000 Approx 32767 Approx 20 48 0 Digital value Output current mA 0 20 1000 Approx 1023 Approx 20 48 0 FX2N 5A Special function block Adjustment of I O Characteristics 8 8 7 6 Analog value direct output 10 to 10V 7 Analog value direct output 4 to 20mA 8 Analog value direct output 0 to 20mA Digital value
6. b14 CH4 immediate date sudden change error in direction b15 immediate date sudden change error in direction FX2N 5A Special function block Buffer Memory BFM 7 7 32 7 2 19 BFM 28 Scale over status READ WRITE When the analog input value of each channel BFM 10 to BFM 13 is outside the maximum range of the A D converter arange error alarm is written to BFM 28 This will also happen if a sensor is disconnected and 100mV mode has been selected Additionally the alarm is set if the Scaling function is used and the conversion result is outside the specified values for this channel To avoid the alarm being set for unused channels they should be completely disabled in BFM 0 It is also possible to inhibit only the scale over alarm by setting the corresponding bits of BFM22 Once a bit turns ON it remains ON until it is overwritten with the OFF status using a TO instruction to BFM 28 or the power is turned off Single alarm bits can be masked by writing a bit mask code to BFM 28 For example HFFF0 will only clear the lowest 4 bits Even while a scale over error is detected the data BFM 6 to BFM 13 of each channel is continuously updated FX2N 5A Special function block Buffer Memory BFM 7 7 33 Table 7 6 Bit assignment in BFM28 Bit No Channel No Description b0 CH1 Scale over Less than lower limit and disconnection detection b1 Scale over More than upper limit b2 CH2 Scale over Less than lower l
7. 48 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 5 Reserved 51 CH1 gain data mV 10 V or A K5000 at shipment 52 CH2 gain data mV 10 V or A K5000 at shipment 53 CH3 gain data mV 10 V or A K5000 at shipment 54 CH4 gain data mV 10 V or A K5000 at shipment 55 Output CH1 gain data mV or A K5000 at shipment 56 Reserved 57 Reserved 58 Reserved 59 60 Reserved 61 Reserved 62 Reserved 63 Reserved 64 Reserved 65 Reserved 66 Reserved 67 Reserved 68 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 6 Reserved 71 CH1 lower limit value alarm set value valid while BFM 22 b0 or b1 is ON K 32000 72 CH2 lower limit value alarm set value valid while BFM 22 b0 or b1 is ON K 32000 73 CH3 lower limit value alarm set value valid while BFM 22 b0 or b1 is ON K 32000 74 CH4 lower limit value alarm set value valid while BFM 22 b0 or b1 is ON K 32000 75 Reserved 76 Reserved 77 Reserved 78 Res
8. 5V 0V 5V 10V Associated analog value 100 50 0 50 100 Analog scale value 10000 5000 0 5000 10000 analog scale value 100 100 analog value maximum analog value FX2N 5A Special function block Buffer Memory BFM 7 7 52 Setting range of analog input Set BFM 0 to 9 Set BFM 0 to A Analog scale value 10000 to 10000 Analog scale value 2000 to 10000 Digital value 32768 to 32767 Digital value 32768 to 32767 Digital value 32767 10000 10V 32768 10000 10V 0 Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog scale value Unit 1 100 Digital value 32767 10000 20mA 32768 2000 4mA 0 Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog scale value Unit 1 100 FX2N 5A Special function block Buffer Memory BFM 7 7 53 Set BFM 0 to B Analog scale value 10000 to 10000 Digital value 32768 to 32767 Digital value 32767 10000 100mV 32768 10000 100mV 0 Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog scale value Unit 1 100 FX2N 5A Special function block Buffer Memory BFM 7 7 54 Setting range of analog output Set BFM 1 to 9 Set BFM 1 to A Analog scale value 10000 to 10000 Analog scale value 0 to 10000 Digital value 32768 to 32767 Digital v
9. 7 41 7 2 28 BFM 81 to BFM 84 Upper limit alarm set value READ WRITE 7 41 7 2 29 BFM 91 to BFM 94 Sudden change detection set value READ WRITE 7 43 7 2 30 BFM 99 Clears upper lower limit value error and sudden change detection error READ WRITE 7 44 7 2 31 BFM 101 to BFM 108 Peak value minimum value READ only 7 45 7 2 32 BFM 111 to BFM 118 Peak value maximum value READ only 7 45 7 2 33 BFM 109 Peak value reset flag minimum value READ WRITE 7 46 7 2 34 BFM 119 Peak value reset flag maximum value READ WRITE 7 46 7 2 35 BFM 200 to BFM 249 Scaling function READ WRITE 7 47 FX2N 5A Special function block Contents xi 8 Adjustment of I O Characteristics 8 1 8 1 Standard I O characteristics 8 1 8 2 Adjustment of I O characteristics 8 8 9 Example program 9 1 9 1 Program example for analog input output 9 1 9 2 Outline of FROM TO commands
10. Description FX2N 5A Special function block Buffer Memory BFM 7 7 36 The error b1 appears when in voltage mode offset data gt 5000 gain data lt 5000 gain data offset data lt 1000 in current mode offset data gt 10000 gain data lt 10000 gain data offset data lt 1000 All errors except b2 and b3 will be cleared automatically when the error is not existing any more or when the corresponding alarm error bits in other BFMs sudden change scale over upper lower limit are cleared In case of a power error or a hardware error the error bits are latched until K0 or another mask value i e HFFF3 to clear the bits is written to BFM 29 or until the power is turned off FX2N 5A Special function block Buffer Memory BFM 7 7 37 7 2 21 BFM 30 Model ID code READ only BFM 30 stores the fixed value K1010 Write attempts by TO instruction are ignored 7 2 22 BFM 31 to BFM 40 reserved 7 2 23 BFM 41 to BFM 44 Analog input Offset data READ WRITE Input Offset data Analog input value when the digital value is 0 For default values and setting ranges see table below BFM 51 to BFM 54 The values of BFM 41 to 44 are stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to a BFM 7 2 24 BFM 45 Analog output Offset data READ WRITE Output Offset data Analog output vo
11. K0 K1 TO K0 K55 K6000 K1 Offset value of analog output channel Gain value of analog output channel X0 M100 Operation start instruction PLS TO K0 K42 K0 K1 Writes the offset value of CH2 TO K0 K52 K6000 K1 Writes the gain value of CH2 FX2N 5A Special function block Adjustment of I O Characteristics 8 8 10 MEMO Example program 9 9 1 9 Example program 9 1 Program example for analog input output The section introduces an example program to manipulate analog input output using the FX2N 5A Condition System configuration The FX2N 5A unit No 0 is connected as a special function block nearest to the FX0N FX1N FX2N FX2NC Series PLC main unit Input mode CH1 and CH2 Mode 0 voltage input 10 to 10 V 32000 to 32000 CH3 and CH4 Mode 1 current input 4 to 20 mA 0 to 32000 Output mode Analog output channel Mode 0 voltage output 32000 to 32000 10 to 10 V Number of times of averaging 10 in each input channel I O characteristics Standard I O characteristics initial value in each channel Convenient function Not used I O assignment X000 Change of analog output value X001 Clears the scale over error Y000 to Y007 Output scale over status of each channel Y010 to Y027 Output of error status FX2N 5A Special function block FX2N 5A Special function block Example program 9 9 2 Figure 9 1 Example program M8002 K0 K0 H1100 K1
12. K0 K1 H0000 K1 K0 K10 D110 K4 K0 D114 Specifies the input mode of CH1 to CH4 Specification of analog output channel s output mode Average value data reading of CH1 to CH4 CH1 D106 CH2 D107 CH4 D109 Immediate data reading of CH1 to CH4 CH1 D110 CH2 D111 CH4 D113 Analog output value 0V FNC 79 TO FNC 79 TO FNC 78 FROM FNC 12 MOV RUN monitor Analog output value 5V M8000 Initial pulse K0 K2 K10 K4 FNC 79 TO Number of averaging times setting of CH1 to CH4 10 K0 K6 D106 K4 FNC 78 FROM X000 Change of analog output value K16000 D114 FNC 12 MOV X000 K0 K14 D114 K1 M8000 RUN monitor FNC 79 TO Writing of analog output value RUN monitor M8000 K0 K28 K4M100 K1 FNC 78 FROM Reading of the scale over CH1 less than lower bound M100 CH1 upper bound excess M101 CH4 less than lower bound M106 CH4 upper bound excess M107 K2M100 K2Y000 FNC 12 MOV Output of the scale over CH1 less than lower bound Y000 CH1 upper bound excess Y001 CH4 less than lower bound Y006 CH4 upper bound excess Y007 FX2N 5A Special function block Example program 9 9 3 Reading of error status BFM 29 M120 to M135 K0 K28 H0000 K1 K0 K29 K4M120 K1 M200 M8000 RUN monitor Clears the scale over error FNC 79 TO END FNC 78 FROM K4M120 K4Y010 FNC 12 MOV Output of error status b0 Y010 b1
13. channel from BFM 81 to BFM 84 The values of BFM 71 to 74 and BFM 81 to 84 are stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to a BFM The range of setting is different according to setting the input mode Please write a set value in a digital value Input mode BFM 0 Range of setting 0 Voltage input mode 32000 to 32000 1 Current input mode 0 to 32000 2 Current input mode 32000 to 32000 3 Voltage input mode 32000 to 32000 4 Voltage input mode 2000 to 2000 5 Voltmeter display mode 10000 to 10000 6 Amperemeter display mode 2000 to 20000 7 Amperemeter display mode 20000 to 20000 8 Voltmeter display mode 10000 to 10000 9 Scaling function voltage input mode 32768 to 32767 FX2N 5A Special function block Buffer Memory BFM 7 7 42 A Scaling function current input mode 32768 to 32767 B Scaling function voltage input mode 32768 to 32767 C to E It is not possible to set Invalid F No input channel use Invalid Input mode BFM 0 Range of setting FX2N 5A Special function block Buffer Memory BFM 7 7 43 7 2 29 BFM 91 to BFM 94 Sudden change detection set value READ WRITE When using the sudden change detection functions the set value to judge the sudden change is written to BFM 91 to 94 If the value is 0 the function is disabled
14. characteristic Input mode setting Analog input CH1 is set in Scaling function Analog scale value of change point 1 Digital value of change point 1 Digital value of change point 2 Analog scale value of change point 2 Writing of input characteristic M8002 Initial pulse TO K0 K19 K1 K1 TO K0 K0 H9 K1 K 10000 TO K0 K200 K1 K 10000 TO K0 K201 K1 K10000 TO K0 K202 K1 K10000 TO K0 K203 K1 H1 TO K0 K21 K1 FX2N 5A Special function block Buffer Memory BFM 7 7 50 Reading of average value data of analog input CH1 Average value of CH1 D106 Reading of immediate data of analog input CH1 Immediate data of CH1 D110 Reads the scale over status BFM 28 D128 Reads the error status BFM 29 D129 M8000 RUN monitor END D106 FROM K0 K6 K1 D110 FROM K0 K10 K1 D128 FROM K0 K28 K1 D129 FROM K0 K29 K1 FX2N 5A Special function block Buffer Memory BFM 7 7 51 The range in which the analog scale value and digital value can be set varies according to the I O mode selected for BFM0 and BFM1 When setting the analog scale value write the value converted to percentage 1 100 Example When input mode 9 scaling function voltage input mode 10 to 10V is chosen in BFM 0 If the analog scale value and digital value are outside the selected range set in BFM 0 and BFM 1 the offset gain set value errors BFM 29 b1 Analog value 10V
15. 19 7 2 10 BFM 19 setting change enable disable READ WRITE BFM 19 permits or prohibits the change of the I O characteristics for the following functions BFM 0 input channel mode settings BFM 1 output channel mode settings BFM18 hold reset last value output BFM 20 reset all values to default BFM 21 offset gain adjustment settings BFM 22 convenient function settings BFM 25 digital filter mode BFM 41 to 45 offset data settings BFM 51 to 55 gain data settings BFM 200 to 249 Scaling function settings The permitted values are as follows K1 Enables change selected at shipment from factory K2 Disables change On fault input the module will return to the last valid input saved in EEPROM values other than K1 or K2 will be ignored The value of BFM 19 is stored as non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 19 FX2N 5A Special function block Buffer Memory BFM 7 7 20 7 2 11 BFM 20 Initialization function reset all values to default READ WRITE BFM 20 will reset the FX2N 5A to the factory default By initialization the modes average numbers offset gain settings direct output control function lower upper limit settings Scaling function and sudden change function are all reset to factory default voltage input output default offset gain values Permitted values are as
16. 35 to 85 RH during operation Dew condensation shall not be allowed Vibration resistance 1 Frequency 10 to 57 Hz half amplitude 0 075 mm 57 to 150 Hz acceleration 9 8 m s2 10 times in each of X Y and Z directions 80 min in each direction For product installed with DIN rail Frequency 10 to 57 Hz half amplitude 0 035 mm 57 to 150 Hz acceleration 4 9 m s2 Impact resistance 1 147 m s2 for 11 ms 3 times in each of X Y and Z directions with half sine pulses Noise resistance By noise simulator of noise voltage 1 000 Vp p noise width 1 s and frequency 30 to 100 Hz Withstand voltage 500 V AC for 1 min between analog input terminal and each terminal of PLC main unit Insulation resistance 5 M or more by 500 V DC Megger between all terminals as a whole and earth Operating atmosphere Corrosive gas and much dusts shall not be detected Working altitude lt 2000m 2 FX2N 5A Special function block FX2N 5A Special function block Specifications 6 6 2 Table 6 2 Power supply specifications Item Specifications Interface driving power supply 24 V DC 10 90 mA maximum externally supplied CPU driving power supply 5 V DC 70 mA supplied via extension cable from PLC main unit Table 6 3 Performance specifications Item Specifications Conversion speed Channel for voltage current input 1 ms x Number of used channels Channel for voltage current output 2 ms See BFM 25 Insulation method
17. BFM 23 Set parameter for direct control between the input channel and output channel READ WRITE In BFM 23 the user can specify direct control feedback between all 4 analog input channels and the analog output channel The format of BFM 23 is a 4 digit hex value and each digit is represents the operation of one input channel The values of the Hex digits are as follows H0 The corresponding analog input channel has no influence on the analog output value H1 The average input value BFM 6 to BFM 9 of the corresponding analog input channel is added to the analog output value in BFM 14 H2 The immediate input value BFM 10 to BFM 13 of the corresponding analog input channel is added to the analog output value in BFM 14 H3 The average input value BFM 6 to BFM 9 of the corresponding analog input channel is subtracted from the analog output value in BFM 14 H4 The immediate input value BFM 10 to BFM 13 of the corresponding analog input channel is subtracted from the analog output value in BFM 14 H5 to HF The corresponding analog input channel has no influence on the analog output value however the direct output control error bit bit 15 in BFM 29 will be switched on FX2N 5A Special function block Buffer Memory BFM 7 7 24 Example Value in BFM 23 is set to H1234 Output value BFM 15 BFM 14 TO BFM 10 BFM 7 BFM 12 BFM 9 If at least one Hex digit in BFM 23 is set to a Hex number between 1 and 4 after calculating of the
18. Install the FX2N 5A to the right side of a main unit extension unit extension block or special block of the FX0N FX1N FX2N FX2NC FX3U FX3UC Series PLC The FX2N 5A can be installed with DIN rail DIN46277 of 35 mm in width or directly installed with screws M4 For the details refer to the handy manual supplied together with the PLC main unit FX2N 5A Special function block FX2N 5A Special function block Installation 3 3 2 Figure 3 1 Installation with DIN rail The FX2N 5A can be installed on DIN rail DIN46277 of 35 mm in width as it is For removal pull down on the DIN rail mounting hook then remove the FX2N 5A Figure 3 2 Direct installation The FX2N 5A can be installed directly by inserting screws M4 into installation holes For the pitch and the position of installation holes refer to the figure on the left FX 5A POWER 24V AD DA 2N Hook for DIN rail Installation screw M4 51 2 01 80 3 15 Dimensions mm inch Connection to PLC 4 4 1 4 Connection to PLC Connect the FX2N 5A to the right side of a main unit extension unit or extension block of FX0N FX1N FX2N FX2NC FX3U FX3UC Series PLC with an extension cable For connection to a basic unit or extension block of the FX2NC Series PLC use an FX2NC CNV IF For connection to a basic unit or extension block of the FX3UC Series PLC use an FX2NC CNV IF or FX3UC 1PS 5V Please check the power supply availability to determi
19. Photocoupler insulates the analog input output area from PLC DC DC converter insulates the power supply from analog I O Channels are not insulated against each other Number of occupied I O points 8 points including input and output points Applicable PLC FX0N FX1N FX2N FX2NC FX3G FX3U FX3UC Series PLC For connection to the FX2NC Series PLC an FX2NC CNV IF is required For connection to the FX3UC Series PLC an FX2NC CNV IF or FX3UC 1PS 5V is required Built in memory EEPROM FX2N 5A Special function block Specifications 6 6 3 Table 6 4 Voltage current input specifications Item Voltage input Current input Analog input range 10 to 10 V DC input resistance 200 k Adjustment is enabled with the following conditions Offset value 32000 to 5000 mV Gain value 5000 to 32000 mV Gain Offset gt 1000 mV 100 to 100mV DC input resistance 200k Adjustment is enabled with the following conditions Offset value 320000 to 50000 V Gain value 50000 to 320000 V Gain Offset gt 10000 V Resolution is constant Change is disabled while the Voltmeter display mode is used Maximum absolute input 15 V 20 to 20 mA DC 4 to 20 mA DC input resistance 250 Adjustment is enabled with the following conditions Offset value 32000 to 10000 A Gain value 10000 to 32000 A Gain Offset gt 1000 A Resolution is constant Change is disabled while the Ampereme
20. Special function block Introduction 1 1 2 MEMO External Dimensions and Parts 2 2 1 2 External Dimensions and Parts FX 5A POWER 24V AD DA 2N 24 24 VI OUT V I V VI V I VI I VI V I V I VI IN4 IN3 IN2 IN1 5A 4 0 16 87 3 43 9 0 35 55 2 17 90 3 54 1 10 9 2 80 3 15 3 8 7 55 2 17 4 5 6 Dimensions mm inches Mass Weight 0 3kg 0 66lbs 4 0 16 Terminal arrangement 24 24 VI V I V VI V I VI I VI V I V I VI OUT IN4 IN3 IN2 IN1 FX2N 5A Special function block FX2N 5A Special function block External Dimensions and Parts 2 2 2 1 Direct mounting hole 2 4 5 0 18 2 Extension cable 3 Power indicator lamp LED 5V power is supplied from the programmable controller to light this indicator lamp 4 Power supply terminals Screw terminal M3 0 12 5 Analog output terminals Screw terminal M3 0 12 6 Analog input terminals Screw terminal M3 0 12 7 24V power indicator lamp LED 24V DC power is supplied to the terminals of the FX2N 5A to light this indicator lamp 8 AD DA conversion indicator lamp LED Flashes at a high speed if AD DA conversion is performing without a problem 9 DIN rail mounting clip 10 DIN rail mounting slot width of DIN rail 35mm 1 38 Installation 3 3 1 3 Installation
21. The valid setting range is between 0 and 32000 When the immediate or average data BFM 6 to BFM 13 of each channel is updated and the difference between the previous value and the new value is larger than the sudden change detection value BFM 91 to BFM 94 the result is written to the sudden change detection status BFM 27 The range of setting is different according to setting the input mode Please write a set value in a digital value Input mode BFM 0 Range of setting 0 Voltage input mode 0 to 32000 1 Current input mode 0 to 32000 2 Current input mode 0 to 32000 3 Voltage input mode 0 to 32000 4 Voltage input mode 0 to 2000 5 Voltmeter display mode 0 to 10000 6 Amperemeter display mode 0 to 20000 7 Amperemeter display mode 0 to 20000 8 Voltmeter display mode 0 to 10000 9 Scaling function voltage input mode 0 to 32000 A Scaling function current input mode 0 to 32000 FX2N 5A Special function block Buffer Memory BFM 7 7 44 7 2 30 BFM 99 Clears upper lower limit value error and sudden change detection error READ WRITE The commands to clear the lower limit value error upper limit value error and sudden change detection error are assigned to the lower three bits of BFM 99 When a bit is set ON the flag of the corresponding error status BFM 26 BFM 27 is reset for all channels at a time After the reset is finished each bit of BFM 99 automatically sets OFF It is possible t
22. Y011 b15 Y027 X001 M200 Clears the scale over error PLS FX2N 5A Special function block Example program 9 9 4 9 2 Outline of FROM TO commands FX2N 5A reads and writes FROM TO commands of PLC FROM TO commands are outlined as follows When X010 and X011 are OFF the transfer is not executed and the data of the transfer destination does not vary For details refer to the FX Series programming manual FNC78 FROM D P X010 Read command BFM reading FROM K2 K26 D120 K2 m1 m2 D n BFM 26 to 27 of special unit No 2 D120 through D121 m1 Special unit or block No K0 to K7 numbered from the unit nearest to the basic unit Head instructed number m2 K0 to K31 of buffer memory It is the head element No of the transfer destination and can be designated T C D KnM KnY KnS V and Z It can be provided with the modifier of the element No Number of transfer points n K1 to K32 but n K1 to K16 for 32 bit command m2 D n FNC79 TO D P X011 Write command BFM writing TO K2 K0 D0 K16 m1 m2 n D0 through D15 BFM 0 to 15 of Special unit No 2 It is the head element No of the transfer source and can be designated T C D KnX KnM KnY KnS V Z K and H It can be provided with the modifier of the element No by the index S S P m1 m2 n Same as above P An instruction modified to use pulse
23. actual use of the product based on these illustrative examples Please contact a Mitsubishi Electric distributor for more information concerning applications in life critical situations or high reliability FX2N 5A Special function block vi Note Concerning the CE Marking This document does not guarantee that a mechanical system including this product will comply with the following standards Compliance to EMC standards of the entire mechanical system should be checked by the user manufacturer Compliance to LVD standards of the entire mechanical system should be checked by the user manufacturer FX2N 5A Special function block vii EMC The following products have shown compliance through direct testing of the identified standards below and design analysis through the creation of a technical construction file to the European Directive for Electromagnetic Compatibility 2004 108 EC when used as directed by the appropriate documentation Refer to a manual or related material of each product other than the following Attention This product is designed for use in industrial applications Note Manufactured by Mitsubishi Electric Corporation 2 7 3 Marunouchi Chiyoda ku Tokyo 100 8310 Japan Manufactured at Mitsubishi Electric Corporation Himeji Works 840 Chiyoda machi Himeji Hyogo 670 8677 Japan Authorized Representative in the European Community Mitsubishi Electric Europe B V Gothae
24. detection alarm K0 Reserved 101 CH1 average data peak value minimum value valid while BFM 22 b2 is ON 102 CH2 average data peak value minimum value valid while BFM 22 b2 is ON 103 CH3 average data peak value minimum value valid while BFM 22 b2 is ON 104 CH4 average data peak value minimum value valid while BFM 22 b2 is ON 105 CH1 immediate data peak value minimum value valid while BFM 22 b3 is ON 106 CH2 immediate data peak value minimum value valid while BFM 22 b3 is ON 107 CH3 immediate data peak value minimum value valid while BFM 22 b3 is ON 108 CH4 immediate data peak value minimum value valid while BFM 22 b3 is ON 109 Peak value minimum value reset flags K0 110 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 9 111 CH1 average data peak value maximum value valid while BFM 22 b2 is ON 112 CH2 average data peak value maximum value valid while BFM 22 b2 is ON 113 CH3 average data peak value maximum value valid while BFM 22 b2 is ON 114 CH4 average data peak value maximum value valid while BFM 22 b2 is ON 115 CH1 immediate data peak value maximum value valid whi
25. digital output value in BFM 15 the offset gain setting calculation or the Scaling function calculation is applied to these digital data in order to achieve the real analog output If the direct control function is switched off for all channels BFM 14 will be regarded as the analog output value The settings of BFM 25 will also influence the direct control function values 7 2 15 BFM 24 Reserved BFM 0 H CH1 CH2 CH3 CH4 FX2N 5A Special function block Buffer Memory BFM 7 7 25 7 2 16 BFM 25 Filter level selection register READ WRITE The following Table shows the possible values of BFM 25 for using the digital Filter of the FX2N 5A Device Table 7 2 Bit assignment in BFM 25 Bit No Channel No Description b0 CH1 to CH4 Filter 0 off 1 2nd level 2 5th level 3 7th level b1 b2 b3 b4 CH1 to CH4 Cut off frequency factor F1 0 no cut off frequency selected 1 0 1 1 sampling time Hz 2 0 05 1 sampling time Hz 3 0 025 1 sampling time Hz 4 0 01 1 sampling time Hz b5 b6 b7 b8 reserved b9 reserved b10 reserved b11 reserved b12 reserved b13 reserved b14 reserved b15 reserved FX2N 5A Special function block Buffer Memory BFM 7 7 26 Formula for filter cut off frequency fL fL F1 sampling time no of active channels Hz with cut off frequency factor F1 0 1 0 05 0 025 or 0 01 There are two filter parameters that can be chang
26. follows K0 Normal state nothing is performed K1 initialization will be executed After writing K1 the BFM will return automatically to K0 when initialization is completed On fault input the module will ignore other values than K1 and perform nothing except keeping K0 as content of BFM 20 Writing to BFM 20 triggers several data items to be written to the internal EEPROM To protect the internal EEPROM from damage by permanently writing K1 to BFM 20 there is a safety function which will memorize the reset in order to protect the internal EEPROM from being destroyed by accidentally writing K1 continuously to BFM 20 Writing K1 to BFM 20 will set the following BFM to their default values as stated below BFM 0 to 5 BFM 18 BFM 22 BFM 23 BFM 25 BFM 41 to 45 BFM 51 to 55 BFM 71 to 74 BFM 81 to 84 BFM 91 to 94 BFM 200 to 249 FX2N 5A Special function block Buffer Memory BFM 7 7 21 7 2 12 BFM 21 Writes I O characteristics offset gain Scaling function setting READ WRITE The b0 to b4 bits of BFM 21 are assigned to each channel of the FX2N 5A Bit 4 is assingned to the analog output channel bit 3 is assigned to input channel 4 bit 0 is assigned to input channel 1 When a bit is set to ON the offset data BFM 41 to BFM 45 and the gain data BFM 51 to BFM 55 or the Scaling function data BFM 200 to BFM 249 of the assigned channel are written to the built in memory EEPROM It is possible to adjust the settings for two or
27. lower limit average value detection function If the A D averaged conversion data of a channel BFM 6 to BFM 9 is outside the range set between the lower limit value BFM 71 to BFM 74 and the upper limit value BFM 81 to BFM 84 corresponding alarm bits for each channel lower limit alarm or higher limit alarm are set in BFM 26 b1 Upper lower limit immediate value detection function If the A D immediate conversion data of a channel BFM 10 to BFM 13 is outside the range set between the lower limit value BFM 71 to BFM 74 and the upper limit value BFM 81 to BFM 84 corresponding alarm bits for each channel lower limit alarm or higher limit alarm are set in BFM 26 b2 Average data Peak value hold function The minimum value of the average data BFM 6 to BFM 9 of each channel is written to BFM 101 to BFM 104 and the maximum value is written to BFM 111 to BFM 114 b3 Immediate data Peak value hold function The minimum value of the immediate data BFM 10 to BFM 13 of each channel is written to BFM 105 to BFM 108 and the maximum value is written to BFM 115 to BFM 118 FX2N 5A Special function block Buffer Memory BFM 7 7 23 b8 to b11 switch off range over range under alarm for corresponding input channel The value of BFM 22 is stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 22 7 2 14
28. more channels at the same time writing H1F will set the new offset gain data for all channels After writing is completed BFM 21 returns automatically to K0 On fault input the module will ignore other bits than b0 to b4 and perform nothing except keeping K0 as content of BFM21 Scale over status BFM 28 data existing before a change of the I O characteristics will not be automatically cleared by performing a change of the I O characteristics Writing to BFM 21 triggers data to be written to the internal EEPROM To protect the internal EEPROM from being destroyed by permanently writing the same value to BFM 21 there is a safety function which will memorize the value of BFM 21 to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 21 BFM21 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 Invalid 1 Analog input CH1 2 Analog input CH2 3 Analog input CH3 4 Analog input CH4 5 Analog output channel 1 2 3 4 5 FX2N 5A Special function block Buffer Memory BFM 7 7 22 7 2 13 BFM 22 Convenient functions setting READ WRITE The functions described below are assigned to b0 to b3 of BFM 22 When a bit is set ON the assigned functions become valid Other bits not specified by the values below will simply be ignored by the module if they are accidentally set by the user When a bit is set OFF the assigned functions become invalid b0 Upper
29. single operation D An instruction modified to use operate in 32 bit operation Appendix A A 1 Appendix A Associated Manuals List For further information manual about FX Series refer to following table Table A 1 Further Information Manual Manual Name Manual No Description FX0 FX0N Hardware Manual JY992D47501 This manual contains hardware explanations of wiring installation and specifications for FX0 and FX0N Series programmable controllers FX1N Hardware Manual JY992D88201 This manual contains hardware explanations of wiring installation and specifications for FX1N Series programmable controllers FX2N Hardware Manual JY992D66301 This manual contains hardware explanations of wiring installation and specifications for FX2N Series programmable controllers FX2NC Hardware Manual JY992D76401 This manual contains hardware explanations of wiring installation and specifications for FX2NC Series programmable controllers FX3U Series User s Manual Hardware Edition JY997D16501 This manual explains the wiring installation and specification for FX3U Series programmable controllers FX3UC Series User s Manual Hardware Edition JY997D28701 This manual explains the wiring installation and specification for FX3UC Series programmable controllers FX2N 5A Special function block FX2N 5A Special function block Appendix A A 2 FX Programming Manual JY992D48301 This manual contains instruction expl
30. 00 Approx 32768 Input voltage V Digital value Input current mA 0 4 20 32000 Approx 32767 Approx 20 383 2 4000 FX2N 5A Special function block Adjustment of I O Characteristics 8 8 3 2 Current input 20 to 20mA 32000 to 32000 3 Voltage input 100 to 100mV 32000 to 32000 4 Voltage input 100 to 100mV 2000 to 2000 5 Voltmeter mode direct display 10 to 10V Digital value 20 20 32000 Approx 32767 Approx 20 480mA Approx 20 480mA 32000 Approx 32768 Input current mA 0 Digital value 100 100 32000 Approx 32767 Approx 102 397mV Approx 102 400mV 32000 Approx 32768 Input voltage mV Digital value 100 100 2000 Approx 2047 Approx 102 397mV Approx 102 400mV 2000 Approx 2048 Input voltage mV Digital value 10 10 10000 Approx 10239 Approx 10 240V Approx 10 240V 10000 Approx 10240 Input voltage V FX2N 5A Special function block Adjustment of I O Characteristics 8 8 4 6 Direct current input 2 to 20mA 7 Direct current input 20 to 20mA 8 Direct voltage input 100 to 100mV Digital value Input current mA 0 4 20 20000 4000 2000 2 Approx 20478 Approx 20 478mA Digital value 20 20 20000 Approx 20478 Approx 20 478mA Approx 20 478mA 20000 Approx 20478 Input current mA 0 Digital value
31. 108 and BFM 119 clears the peak value maximum value stored in BFM 111 to BFM 118 The channel No to be reset is assigned to each bit of BFM 109 and BFM 119 When a bit is set ON the peak value of the assigned channel is cleared Table 7 12 Bit assignment BFM 109 Bit No b15 to b8 b7 b6 b5 b4 b3 b2 b1 b0 Channel No BFM No Unusable CH4 im 108 CH3 im 107 CH2 im 106 CH1 im 105 CH4 av 104 CH3 av 103 CH2 av 102 CH1 av 101 BFM 119 Bit No b15 to b8 b7 b6 b5 b4 b3 b2 b1 b0 Channel No BFM No Unusable CH4 im 118 CH3 im 117 CH2 im 116 CH1 im 115 CH4 av 114 CH3 av 113 CH2 av 112 CH1 av 111 FX2N 5A Special function block Buffer Memory BFM 7 7 47 7 2 35 BFM 200 to BFM 249 Scaling function READ WRITE The Scaling function enables an analog input or output curve for processes that are not linear over the whole data range The user can specify up to 5 analog digital values that will define an input characteristic curve If the Scaling function is used the offset gain settings will become meaningless for this channel as the input output will be calculated by the Scaling function given by the user Analog scale value and digital value outside the range selected by BFM 0 and 1 is set Offset gain set value becomes error BFM 29 b1 The order of allocating an analog value and a digital value differs for in the input channels and
32. 4 Voltage input mode 100 to 100 mV Display range 2000 to 2000 5 Voltmetor display mode 10V to 10V Display range 10000 to 10000 6 Amperemeter display mode 4mA to 20mA Display range 2000 to 20000 2mA to 20mA if current is less than 2mA a range error alarm will be set in BFM 28 7 Amperemeter display mode 20mA to 20mA Display range 20000 to 20000 BFM 0 H CH1 CH2 CH3 CH4 FX2N 5A Special function block Buffer Memory BFM 7 7 13 8 Voltmeter display mode 100mV to 100mV Display range 10000 to 10000 9 Scaling function Voltage input mode 10 to 10 V maximum Display range 32768 to 32767 default 32640 to 32640 A Scaling function Current input mode 4 to 20 mA maximum Display range 32768 to 32767 default 32640 to 32640 B Scaling function Voltage input mode 100 to 100 mV maximum Display range 32768 to 32767 default 32640 to 32640 F channel disabled channel returns always 0 C to E not valid the module will automatically restore the last valid setting The input characteristics such as the offset and gain settings are automatically changed depending on the settings of BFM 0 A mode change in BFM 0 will also affect the settings of BFM 41 to 44 offset data BFM 51 to 54 gain data and BFM 200 to 239 Scaling function data Before changing offset gain or Scaling function data the appropriate input mode specification must be set in BFM 0 otherwise the offset gai
33. 50 400 450 10000 8000 6000 4000 2000 0 2000 4000 6000 8000 10000 FX2N 5A Special function block Buffer Memory BFM 7 7 58 If the Scaling function is selected the analog module will return the following values in BFM 10 analog input value x lt 10000 y const 50 range error is entered in BFM28 analog input value 10000 lt x lt 4000 y 0 0375 x 425 analog input value 4000 lt x lt 3000 y 0 0143 x 332 15 analog input value 3000 lt x lt 10000 y 0 0071 x 353 85 analog input value x gt 10000 y const 425 range error is entered in BFM28 The same principle applies for the analog output however the first value in BFM 240 must be a digital value and the second value must be the corresponding analog output value The dimension of the values is specified by the mode in BFM 0 and BFM 1 If a mode change is set and a Scaling function setting error appears the default value will be taken If only a Scaling function setting error appears the previous correct value will be take At least the first two analog digital values must be set If the other three analog digital values are set to 0 they will not be used by the Scaling function By setting the first three analog digital value and resetting the last two analog digital values three parameter will be used by the Scaling function etc Table 7 14 Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog
34. Input Scale Value BFM 200 10000 BFM 202 4000 BFM 204 3000 BFM 206 10000 BFM 208 K0 Calculated Digital Value BFM 201 50 BFM 203 275 BFM 205 375 BFM 207 425 BFM 209 K0 Adjustment of I O Characteristics 8 8 1 8 Adjustment of I O Characteristics The factory the FX2N 5A has standard I O characteristics in accordance with each input mode BFM 0 BFM 1 set as the factory default In the voltage input mode and current input mode adjust the standard I O characteristics for each channel The user cannot adjust the standard I O characteristics in the analog value direct input mode and the analog value direct output mode 8 1 Standard I O characteristics Explanation The I O mode of the standard I O characteristics is abbreviated as shown below 0 Voltage input 10 to 10V 32000 to 32000 1 2 3 1 2 3 Input mode set in BFM 0 BFM 1 Input mode or output mode Analog input range or Analog output range In the Voltmeter Amperemeter analog input mode Absolute Voltage Current output mode and the Scaling function 3 Digital value of Analog input range or Analog output range is omitted FX2N 5A Special function block FX2N 5A Special function block Adjustment of I O Characteristics 8 8 2 Input characteristics 0 Voltage input 10 to 10V 32000 to 32000 1 Current input 4 to 20mA 0 to 32000 Digital value 10 10 32000 Approx 32767 Approx 10 240V Approx 10 240V 320
35. USER S MANUAL FX2N 5A Special function block FX2N 5A Special function block Foreword This manual contains text diagrams and explanations which will guide the reader in the correct installation and operation of the FX2N 5A Special function block It should be read and understood before attempting to install or use the unit Further information can be found in the FX0N FX1N FX2N FX2NC FX3U FX3UC Series Hardware Manual for connecting main unit and the FX Series Programming Manual If in doubt at any stage of the installation of FX2N 5A Special function block always consult a professional electrical engineer who is qualified and trained to the local and national standards that applies to the installation site If in doubt about the operation or use of FX2N 5A Special function block please consult the nearest Mitsubishi Electric distributor This manual is subject to change without notice FX2N 5A Special function block USER S MANUAL This manual confers no industrial property rights or any rights of any other kind nor does it confer any patent licenses Mitsubishi Electric Corporation cannot be held responsible for any problems involving industrial property rights which may occur as a result of using the contents noted in this manual FX2N 5A Special function block Manual number JY997D11401 Manual revision E Date June 2010 FX2N 5A Special function block ii FX2N 5A Special fun
36. a third party constructed device which contains or uses the product associated with this manual FX2N 5A Special function block iv Notes on the Symbols Used in this Manual At various times throughout this manual certain symbols will be used to highlight points which are intended to ensure the users personal safety and protect the integrity of equipment Whenever any of the following symbols are encountered its associated note must be read and understood Each of the symbols used will now be listed with a brief description of its meaning Hardware Warnings 1 Indicates that the identified danger WILL cause physical and property damage 2 Indicates that the identified danger could POSSIBLY cause physical and property damage 3 Indicates a point of further interest or further explanation Software Warnings 4 Indicates special care must be taken when using this element of software 5 Indicates a special point which the user of the associate software element should be aware 6 Indicates a point of interest or further explanation FX2N 5A Special function block v Under no circumstances will Mitsubishi Electric be liable responsible for any consequential damage that may arise as a result of the installation or use of this equipment All examples and diagrams shown in this manual are intended only as an aid to understanding the text not to guarantee operation Mitsubishi Electric will accept no responsibility for
37. after initialization is completed K0 21 Writes I O characteristics Returns automatically to K0 after write of offset gain value or Scaling function value is finished K0 22 Sets convenient functions upper lower limit value detection immediate data and average data peak value hold switch off function for range over error for each channel K0 at shipment 23 Set parameter for direct control function between input and output H0000 24 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 4 25 Filter mode selection register K0 26 Upper lower limit value alarm status valid while BFM 22 b0 or b1 is ON K0 27 A D data sudden change detection status valid while BFM 91 to 94 are different to 0 K0 28 Scale over status and disconnection detection K0 29 Error status K0 30 Model code K1010 K1010 31 Reserved 32 Reserved 33 Reserved Reserved 41 CH1 offset data mV 10 V or A K0 at shipment 42 CH2 offset data mV 10 V or A K0 at shipment 43 CH3 offset data mV 10 V or A K0 at shipment 44 CH4 offset data mV 10 V or A K0 at shipment 45 Output CH1 offset data mV or A K0 at shipment 46 Reserved 47 Reserved
38. alue 32768 to 32767 Digital value 32767 10000 10V 32768 10000 10V 0 Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog scale value Unit 1 100 Digital value 32767 32768 10000 20mA 0 0mA Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog scale value Unit 1 100 FX2N 5A Special function block Buffer Memory BFM 7 7 55 The value which can be set depends on the selection of BFM 0 and 1 Analog values and digital values outside the range selected by BFM 0 and 1 are set thus offset gain set value error BFM 29 b1 will occur Please set analog values and digital values in Change point 1 lt Change point 2 lt Change point 3 When The small number change point The large number change point is set offset gain set value error BFM 29 b1 See figure 1 When using less then three change points please specify an analog scale and a digital value for those change points not used as K0 initial value See figure 1 Digital value Analog scale value Change point 1 Change point 3 Change point 2 Digital value Analog scale value Change point 1 Change point 3 Change point 2 Available Not available Figure 1 FX2N 5A Special function block Buffer Memory BFM 7 7 56 When using K0 as a change point setting value th
39. anations for the FX0 FX0S FX0N FX FX2C FX2N and FX2NC Series programmable controllers FX Programming Manual JY992D88101 This manual contains instruction explanations for the FX1S FX1N FX2N and FX2NC Series programmable controllers FX3U FX3UC Series Programming Manual Basic amp Applied Instruction Edition JY997D16601 This manual explains the instructions for FX3U FX3UC Series programmable controller Table A 1 Further Information Manual Manual Name Manual No Description HEAD OFFICE TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN HIMEJI WORKS 840 CHIYODA CHO HIMEJI JAPAN JY997D11401E MEE Effective June 2010 Specifications are subject to change without notice USER S MANUAL FX2N 5A Special function block MODEL FX2N 5A U E MODEL CODE 09R616
40. b9 Input output mode setting error Input output mode BFM 0 BFM 1 is incorrectly set Set it within range from 0 to B or F BFM 0 or 0 to A BFM 1 FX2N 5A Special function block Buffer Memory BFM 7 7 35 b10 Number of averaging times setting error Number of averaging times is incorrectly set Set it within range from 1 to 256 If the no of average data was set to a value outside the range of 1 to 256 the corresponding BFM was set to 1 In this case the direct conversion value will be displayed for the corresponding channel b11 Attempt of setting change while BFM19 was looked Although the value in BFM 19 prohibits to change the setting a write access to a protected BFM was registered No setting changes have been executed b12 Sudden change detection set value error The sudden change detection value is set to an incorrect value valid range 0 to 32000 b13 Upper lower limit value set value error Upper lower limit alarm value is set to an incorrect value valid range 32000 X 32000 b14 Filter mode setting error Filter mode BFM 25 is incorrectly set Set the lowest two digits to a valid range according to the description of BFM 25 b15 Direct output control function setting error The direct output control function is set to an undefined value Set each digit between a range of 0 and 4 The number was reset to the previous value Table 7 7 Bit assignment in BFM 29 Bit No Assignment
41. ck Buffer Memory BFM 7 7 16 7 2 3 BFM 2 to BFM 5 Number of averaging times READ WRITE The number of averaging times of BFM 2 to BFM 5 specify the number of samples that is used to calculate the average values which are displayed in BFM 6 to BFM 9 The setting range of the number of averaging times is 1 to 256 When the number is set to K1 the immediate data current values are stored in BFM 6 to BFM 9 This data is the same as those data displayed in BFM 10 to BFM13 When the number of averaging times is set to K0 the value is automatically changed to K1 If the value is set to K257 or more it is also changed to K1 automatically In either case a number of averaging times setting error BFM 29 b10 occurs The initial value of BFM 2 to BFM 5 is K8 Update of average data The average data of BFM 6 to BFM 9 are updated every time the A D conversion processing is performed BFM 6 to 9 will always contain the most recent average sum of the number of samples specified in BFM 2 to BFM5 divided by this number For example the formula for BFM 6 is as follows If the averaging process has just started or when the number of average samples has been changed during operation the sampling values that have not been converted until that time are not considered for the calculation In that case the number of samples used to calculate the average value is calculated based on the number of available samples at this time FX2N 5A Special function blo
42. ck Buffer Memory BFM 7 7 17 7 2 4 BFM 6 to BFM 9 Averaged Input Channel data READ only The average A D conversion data of each input channel is displayed in BFM 6 to BFM 9 The number of samples to calculate the average data is influenced by the setting in BFM 2 to BFM 5 described above The data displayed is processed data therefore offset and gain calculations and Scaling function calculations and digital filtering if selected are already performed before the average value is calculated 7 2 5 BFM 10 to BFM 13 Immediate Input Channel data READ only The immediate A D conversion data of each channel is displayed BFM 10 to BFM 13 The data displayed processed data therefore offset and gain calculations Scaling function calculations and digital filtering if selected are already performed 7 2 6 BFM 14 Analog Output data READ WRITE BFM 14 receives the analog output data for the DA Digital Analog converter For this data offset gain calculations or the Scaling function calculation will be performed and direct output function calculation Thus processed data will be sent to the DA converter 7 2 7 BFM 15 Calculated Analog output data when direct control function is active READ only If the direct output control function see BFM 23 is enabled the result of the calculation process that is written to the analog output is read back to the PLC via BFM 15 7 2 8 BFM 16 to BFM 17 Reserved FX2N 5A Special
43. ction block iii Guidelines for the Safety of the User and Protection of the FX2N 5A Special function block This manual provides information for the use of the FX2N 5A Special function block The manual has been written to be used by trained and competent personnel The definition of such a person or persons is as follows a Any engineer who is responsible for the planning design and construction of automatic equipment using the product associated with this manual should be of a competent nature trained and qualified to the local and national standards required to fulfill that role These engineers should be fully aware of all aspects of safety with regards to automated equipment b Any commissioning or service engineer must be of a competent nature trained and qualified to the local and national standards required to fulfill that job These engineers should also be trained in the use and maintenance of the completed product This includes being completely familiar with all associated documentation for said product All maintenance should be carried out in accordance with established safety practices c All operators of the completed equipment see Note should be trained to use this product in a safe manner in compliance to established safety practices The operators should also be familiar with documentation which is associated with the actual operation of the completed equipment Note The term completed equipment refers to
44. e for each channel K0 238 CH4 Scaling function Analog Value 5 K0 239 CH4 Scaling function Digital Value 5 K0 240 Output CH1 Scaling function Digital output Value 1 K 32640 241 Output CH1 Scaling function Analog output Value 1 K 10200 242 Output CH1 Scaling function Digital output Value 2 K32640 243 Output CH1 Scaling function Analog output Value 2 K10200 248 Output CH1 Scaling function Digital output Value 5 K0 249 Output CH1 Scaling function Analog output Value 5 K0 Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 12 7 2 Details of buffer memories 7 2 1 BFM 0 input mode specification READ WRITE BFM 0 specifies the input mode of CH1 to CH4 The BFM consists of a 4 digit hexadecimal code where one digit is assigned to each input channel The range for each digit is a Hex value between 0 to F The highest digit corresponds to input ch4 whereas the lowest digit corresponds to input ch1 The meaning of the digits is as follows 0 Voltage input mode 10 to 10 V Display range 32000 to 32000 1 Current input mode 4 to 20 mA Display range 0 to 32000 if current is less than 2mA a range error alarm will be set in BFM 28 2 Current input mode 20 to 20 mA Display range 32000 to 32000 3 Voltage input mode 100 to 100 mV Display range 32000 to 32000
45. e subsequent change point value must the larger in both the Digital value and Analog scale value See figure 2 The I O to be entered for each channel should fall within the range of the analog scale value of Change point 1 minimum value to that of Change point 3 maximum value When an analog value outside this range is entered scale over error BFM 28 occurs As for scale over less than lower limit and disconnection detection a minimum analog value of change point 1 to 3 is stored in analog input value BFM 6 to 9 10 to 13 As for scale over more than upper limit a maximum analog value of change point 1 to 3 is stored in analog input value BFM 6 to 9 10 to 13 Offset data BFM 41 to 45 and gain data BFM 51 to 55 of the channel which uses Scaling function is disregarded Digital value Analog scale value Change point 1 Change point 3 Change point 2 Digital value Analog scale value Change point 1 Change point 3 Change point 2 Available Not available Figure 2 FX2N 5A Special function block Buffer Memory BFM 7 7 57 The figure below shows the example for an analog input BFM 206 10000 BFM 207 425 BFM 200 10000 BFM 201 50 BFM 202 4000 BFM 203 275 BFM 204 3000 BFM 205 375 Calculated Digital Value Analog Input Scale Value of maximum range Example for the Analog Input Non Linearity function 50 100 150 200 250 300 3
46. ed the filter level and the cut off frequency This selection is done in bit0 to bit7 The selected filter values apply to all channels 1 through 4 in the same way Selecting a non existing filter mode or selecting a filter mode without specifying a cut off frequency will lead to an error in BFM 29 In this case the previously valid settings will be kept The filter settings for the module also have a direct influence on the sampling rate and conversion speed of the module The relation between selected filter level and sampling rate is as follows In these cases b4 to b7 must be set to a value between K1 to K4 The value of BFM 25 is stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 25 Table 7 3 Setting range Filter Level value in BFM25 b0 to b3 sampling time per input channel refresh rate of analog output channel filter off K0 1ms ch update every 2 ms 2nd level digital filter K1 3ms ch update every 6 ms 5th level digital filter K2 4ms ch update every 8 ms 7th level digital filter K3 4 5ms ch update every 9 ms FX2N 5A Special function block Buffer Memory BFM 7 7 27 A D conversion value when input filter is used Time Analog value Digital value When input filter is used The change of the A D conversion value becomes smooth It is smooth when n
47. en the input channel and output channel READ WRITE 7 23 7 2 15 BFM 24 Reserved 7 24 7 2 16 BFM 25 Filter level selection register READ WRITE 7 25 7 2 17 BFM 26 Upper lower limit value alarm status READ only 7 28 7 2 18 BFM 27 A D data sudden change detection status READ only 7 30 7 2 19 BFM 28 Scale over status READ WRITE 7 32 7 2 20 BFM 29 Error status 7 34 7 2 21 BFM 30 Model ID code READ only 7 37 7 2 22 BFM 31 to BFM 40 reserved 7 37 7 2 23 BFM 41 to BFM 44 Analog input Offset data READ WRITE 7 37 7 2 24 BFM 45 Analog output Offset data READ WRITE 7 37 7 2 25 BFM 51 to BFM 54 Analog Input Gain data READ WRITE 7 38 7 2 26 BFM 55 Analog output Gain data READ WRITE 7 40 7 2 27 BFM 71 to BFM 74 Lower limit alarm set value READ WRITE
48. eraging times for CH3 Setting range 1 to 256 times 8 5 Number of averaging times for CH4 Setting range 1 to 256 times 8 6 CH1 Data average data 7 CH2 Data average data 8 CH3 Data average data 9 CH4 Data average data 10 CH1 data immediate data 11 CH2 data immediate data 12 CH3 data immediate data 13 CH4 data immediate data 14 CH1 output data 15 Calculated Analog output data if direct output control function is active BFM 14 effective direct output value 16 Reserved 17 Reserved FX2N 5A Special function block Buffer Memory BFM 7 7 3 18 Hold last value reset output to offset value when PLC is stopped K0 19 Disables setting change of I O characteristics and convenient functions The following BFMs are protected BFM 0 input channel mode settings BFM 1 output channel mode settings BFM 18 hold reset last value output BFM 20 reset all values to default BFM 21 offset gain adjustment settings BFM 22 convenient function settings BFM 25 digital filter selection BFM 41 to 45 offset data settings BFM 51 to 55 gain data settings BFM 200 to 249 Scaling function settings Disables change K2 Enables change K1 K1 at shipment 20 Initialize function Initialize function at K1 then returns automatically to K0
49. erved Reserved 81 CH1 upper limit value alarm set value valid while BFM 22 b0 or b1 is ON K32000 82 CH2 upper limit value alarm set value valid while BFM 22 b0 or b1 is ON K32000 83 CH3 upper limit value alarm set value valid while BFM 22 b0 or b1 is ON K32000 Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 7 84 CH4 upper limit value alarm set value valid while BFM 22 b0 or b1 is ON K32000 85 Reserved 86 Reserved 87 Reserved 88 Reserved Reserved 91 CH1 sudden change detection set value Setting range 0 to 32000 0 means function is disabled K0 92 CH2 sudden change detection set value Setting range 0 to 32000 0 means function is disabled K0 93 CH3 sudden change detection set value Setting range 0 to 32000 0 means function is disabled K0 94 CH4 sudden change detection set value Setting range 0 to 32000 0 means function is disabled K0 95 Reserved 96 Reserved 97 Reserved 98 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 8 99 Clear upper and lower limit value alarm and sudden change
50. function block Buffer Memory BFM 7 7 18 7 2 9 BFM 18 hold reset analog output when PLC is stopped READ WRITE If BFM 18 is 0 while the PLC base unit is in Stop mode the value of BFM15 value of BFM14 direct output function will be output If the direct output function is active the output value will be continuously updated when the input channel values are changing If BFM18 is set to K1 and there is no TO instruction access for more than 200 ms from the main unit to the FX2N 5A consequently the output will be stopped In this case the last value of BFM 15 value of BFM14 direct output function will be output If BFM18 is set to K2 and there is no TO instruction access for more than 200 ms from the main unit to the FX2N 5A consequently the output will be reset to the defined offset value If BFM18 is set to K1 or K2 a FROM TO Watchdog Timer will be activated If there is no FROM TO access for longer than 200ms the action described above will be taken FROM TO Watchdog timer has barked bit 8 of BFM18 is set This can be checked by monitoring BFM 18 or reading it by a FROM command The FROM TO Watchdog timer will automatically be reset by a TO access to BFM 14 The value of BFM 18 is stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 18 FX2N 5A Special function block Buffer Memory BFM 7 7
51. ial function block Wiring 5 5 3 5 3 Output Wiring Please refer to 5 2 for the wiring for 24 24 terminals Figure 5 3 Output Wiring 1 Use a twisted pair shielded cable for the analog output This cable should be wired away from power lines or any other lines which could induce noise 2 Apply 1 point grounding at the load side of the output cable grounding 100 or less 3 If electrical noise or a voltage ripple exists at the output connect a smoothing capacitor of 0 1 to 0 47 F 25V Shorting the voltage output terminal or connecting the current output load to the voltage output terminal may damage the FX2N 5A For the terminal arrangement refer to Section 2 Figure 5 4 Crimp Terminals Voltage output V VI I OUT 1 Shielded cable Current output V VI I OUT Inverter etc Recorder etc 2 1 Shielded cable 2 FX2N 5A FX2N 5A 3 N C 6 2 mm 0 24 or less For M3 0 12 6 2 mm 0 24 or less For M3 0 12 FX2N 5A Special function block Wiring 5 5 4 MEMO Specifications 6 6 1 6 Specifications 1 The criterion is shown in IEC61131 2 2 If the pressure is higher than the atmospheric pressure do not use FX2N 5A Malfunctions may occur Table 6 1 General specifications Item Specifications Ambient temperature range 0 to 55 C during operation 20 to 70 C during storage Ambient humidity
52. ile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 55 Note This table is not applicable for modes 9 to A see Scaling function settings In absolute voltage output mode the theoretical value is 16000 however in reality it is not possible to exceed 10V output voltage BFM14 10000 Table 7 10 Initial offset gain value Unit mV for voltage output A for current output BFM 14 value for gain output 16000 1000 16000 500 16000 500 16000 16000 16000 Output mode BFM 1 0 10V to 10V 1 10V to 10V 2 4 to 20mA 3 4 to 20mA 4 0 to 20mA 5 0 to 20mA 6 absolute voltage mode 7 absolute current mode 8 absolute current mode Initial offset value 0 0 4000 4000 0 0 0 fixed 0 fixed 0 fixed Initial gain value 5000 unit mV 5000 unit mV 12000 unit A 12000 unit A 10000 unit A 10000 unit A 16000 fixed unit mV 16000 fixed unit A 16000 fixed unit A FX2N 5A Special function block Buffer Memory BFM 7 7 41 7 2 27 BFM 71 to BFM 74 Lower limit alarm set value READ WRITE 7 2 28 BFM 81 to BFM 84 Upper limit alarm set value READ WRITE The upper lower limit value of the alarm detection function BFM 22 b0 b1 is written to the lower limit value of each channel from BFM 71 to BFM 74 and the upper limit value of each
53. imit and disconnection detection b3 Scale over More than upper limit b4 CH3 Scale over Less than lower limit and disconnection detection b5 Scale over More than upper limit b6 CH4 Scale over Less than lower limit and disconnection detection b7 Scale over More than upper limit b8 output CH Scale over Less than lower limit b9 Scale over More than upper limit b10 reserved b11 reserved b12 reserved b13 reserved b14 reserved b15 reserved FX2N 5A Special function block Buffer Memory BFM 7 7 34 7 2 20 BFM 29 Error status The error information is assigned to each bit of BFM 29 Table 7 7 Bit assignment in BFM 29 Bit No Assignment Description b0 Error detected b0 is ON if at least one output of b1 to b5 is ON b1 Offset gain set value error or Scaling function setting error Offset gain value or Scaling function value is outside setting range Set a correct value Previously valid values or default values are used b2 Power error External 24 V power is not supplied b3 Hardware error FX2N 5A hardware error EEPROM MCU periphery b4 A D conversion value error A D conversion value is out of range wire break See scale over data BFM 28 b5 D A conversion value error D A conversion value is out of range value in BFM 14 BFM 15 is too large b6 reserved b7 reserved b8 Set value error detected This bit is ON while either bit among b9 to b15 is ON
54. le BFM 22 b3 is ON 116 CH2 immediate data peak value maximum value valid while BFM 22 b3 is ON 117 CH3 immediate data peak value maximum value valid while BFM 22 b3 is ON 118 CH4 immediate data peak value maximum value valid while BFM 22 b3 is ON 119 Peak value maximum value reset flags K0 Reserved 198 Reserved 199 Reserved Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 10 200 CH1 Scaling function Analog Value 1 This function defines a Scaling input curve similar to a look up table for each channel K 10200 201 CH1 Scaling function Digital Value 1 K 32640 202 CH1 Scaling function Analog Value 2 K10200 203 CH1 Scaling function Digital Value 2 K32640 208 CH1 Scaling function Analog Value 5 K0 209 CH1 Scaling function Digital Value 5 K0 210 CH2 Scaling function Analog Value 1 K 10200 211 CH2 Scaling function Digital Value 1 K 32640 218 CH2 Scaling function Analog Value 5 K0 Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value FX2N 5A Special function block Buffer Memory BFM 7 7 11 219 CH2 Scaling function Digital Value 5 This function defines a Scaling input curve similar to a look up tabl
55. ltage or current if digital input in BFM 14 is 0 Default offset value for voltage mode 10V 10V is 0V K0 for current mode 4 20mA is 4mA K4000 and for current mode 0 20mA is 0mA K0 The value of BFM 45 is stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to BFM 45 FX2N 5A Special function block Buffer Memory BFM 7 7 38 7 2 25 BFM 51 to BFM 54 Analog Input Gain data READ WRITE Input Gain data Analog input value when the digital value is 16000 or 1000 in mode 4 The offset data and the gain data for each channel can be set independently The set value is written in mV for voltage input 10V 10V in A for current input and in 10 V units for 100mV input The values of BFM 51 to 54 are stored non volatile in the internal EEPROM There is a safety function to protect the internal EEPROM from being destroyed by accidentally writing the same value continuously to a BFM Initial offset gain value Unit mV for voltage input A for current input and 10 V for 100mV input Note This table is not applicable for modes 9 to B see Scaling function settings Table 7 8 Initial offset gain input value Input mode BFM 0 0 10 to 10V 1 4 to 20mA 2 20 to 20mA 3 100 to 100mV 4 100 to 100mV Initial offset value 0 4000 0 0 0 Initial gain value 5000
56. n or Scaling function data will be overwritten by the default data of the selected input mode The scale over status BFM 28 value present before the mode change will not automatically be cleared when performing a mode change Disabling a channel will increase the scanning frequency of the other channels The default value of BFM 0 is H0000 The value of BFM 0 is stored in the internal EEPROM non volatile The module contains a safety function to protect the internal EEPROM from being destroyed when the same value is accidentally written continuously to BFM 0 FX2N 5A Special function block Buffer Memory BFM 7 7 14 7 2 2 BFM 1 output mode specification READ WRITE BFM 1 specifies the output mode of the analog output CH1 The BFM consists of a 4 digit hexadecimal code where only the lowest digit is assigned to the analog output channel The range for the digit is a Hex value between 0 to A The highest 3 digits are simply ignored by the module whereas the lowest digit corresponds to output ch1 The meaning of the digits is as follows 0 Voltage output mode 10 to 10 V output range 32000 to 32000 1 Voltage output mode 10 to 10 V output range 2000 to 2000 2 Current output mode 4 to 20 mA output range 0 to 32000 3 Current output mode 4 to 20 mA output range 0 to 1000 4 Current output mode 0 to 20 mA output range 0 to 32000 5 Current output mode 0 to 20 mA output range 0 to 1000 6 Absolute Voltage ou
57. ne the number of FX2N 5A blocks that can be connected to the FX0N FX1N FX2N FX2NC FX3U FX3UC PLCs A unit No 0 to 7 is automatically assigned to each special unit or special block connected to a PLC basic unit from the one nearest to the basic unit 1 The data is read from and written to the FX2N 5A by FROM TO instructions supplied by the main unit 1 Because the unit No 0 is assigned to the built in CC Link LT master in the FX3UC 32MT LT unit numbers assigned to special extension units blocks begins with No 1 FX2N 5A Special function block FX2N 5A Special function block Connection to PLC 4 4 2 MEMO Wiring 5 5 1 5 Wiring 5 1 Caution 1 Do not lay signal cabling near to high voltage power cabling or house them in the same trunking duct Effects of noise or surge induction may occur Keep signal cables at safe dis tance of more than 100 mm 3 94 from these power cables 2 The terminal screws of the FX2N 5A are M3 0 12 therefore crimp style terminals see drawing suitable for use with these screws should be fitted to the cable for wiring Figure 5 1 Crimp Terminals 3 The terminal screws should be tightened to between 0 5 to 0 8 Nm Terminal screws must be secured to prevent a loose connection thus avoiding a malfunction Failure to do so may cause equipment failures or malfunctions 4 Cut off all phases of power source before installation or performing wiring work in order to avoid electric shock or produc
58. o 10 V DC External load resistance 5 k to 1M Adjustment is enabled with the following conditions Offset value 10000 to 5000 mV Gain value 9000 to 5000 mV Gain Offset gt 1000 mV Resolution is constant Change is disabled while absolute voltage output mode is used 0 to 20 mA DC 4 to 20 mA DC External load resistance 500 or less Adjustment is enabled with the following conditions Offset value 0 to 10000 A Gain value 3000 to 30000 A Gain Offset gt 3000 A Resolution is constant Change is disabled while absolute current output mode is used Digital input Signed 12 bit binary 10 bit binary Resolution 5mV 10 V 1 4000 10 to 10V at output 20 A 20 mA 1 1000 0 to 20 mA at output 4 to 20mA at output Total accuracy Ambient temperature 25 C 5 C 0 5 100mV against full scale 20V Ambient temperature 0 to 55 C 1 0 200mV against full scale 20V Ambient temperature 25 C 5 C 0 5 0 to 20mA at output 200 A against full scale 40 mA 4 to 20mA output is same 200 A Ambient temperature 0 to 55 C 1 0 0 to 20mA at output 400 A against full scale 40 mA 4 to 20mA output is same 400 A FX2N 5A Special function block Specifications 6 6 6 MEMO Buffer Memory BFM 7 7 1 7 Buffer Memory BFM Caution 1 Do not access the Reserved buffer memories Reserved BFM 16 17 24 31 to 40 46 t
59. o 50 56 to 70 75 to 80 85 to 90 95 to 98 100 110 120 to 199 using FROM TO instructions Accessing the reserved buffer memories may cause abnormal behavior in the FX2N 5A module Data transfer between the FX2N 5A and the PLC main unit is performed through buffer memories hereafter referred to as BFM of the FX2N 5A Each BFM consists of 1 word 16 bits The BFM No 0 to 249 and a function are assigned to each BFM Use FROM TO instructions to read and write the data between the BFM and the PLC When the power is turned on the initial value is written to each BFM When you would like to use different contents of the BFM create a program for the PLC so that the desired contents are written to the BFM every time the power of the PLC is turned on The contents stored in BFM 0 1 18 19 22 25 41 to 45 51 to 55 71 to 74 81 to 84 200 to 249 are stored in the built in EEPROM and held against power failure FX2N 5A Special function block FX2N 5A Special function block Buffer Memory BFM 7 7 2 7 1 Buffer Memories BFM lists Table 7 1 BFM Lists BFM No Description Hold against power failure Initial value 0 Specifies input mode of CH1 to CH4 H0000 at shipment 1 Specifies output mode of CH1 H0000 at shipment 2 Number of averaging times for CH1 Setting range 1 to 256 times 8 3 Number of averaging times for CH2 Setting range 1 to 256 times 8 4 Number of av
60. o set two or more clear commands ON at a time B Scaling function voltage input mode 0 to 32000 C to E It is not possible to set Invalid F No input channel use Invalid Table 7 11 Bit assignment in BFM 99 Bit No Description b0 Clears lower limit value error b1 Clears upper limit value error b2 Clears sudden change detection error b3 to b15 Unused Input mode BFM 0 Range of setting FX2N 5A Special function block Buffer Memory BFM 7 7 45 7 2 31 BFM 101 to BFM 108 Peak value minimum value READ only 7 2 32 BFM 111 to BFM 118 Peak value maximum value READ only When the peak value hold function BFM 22 b2 b3 is used the minimum average values of the data BFM 6 to BFM 9 of each channel is written from BFM 101 to BFM 104 the immediate value minimums BFM 10 to BFM 13 are written from BFM 105 to 108 The maximum average values are written from BFM 111 to BFM 114 and the immediate maximum values are written from BFM 115 to 118 Initial value When the peak hold function is not used K0 When the peak hold function is used Digital value when the function is set ON FX2N 5A Special function block Buffer Memory BFM 7 7 46 7 2 33 BFM 109 Peak value reset flag minimum value READ WRITE 7 2 34 BFM 119 Peak value reset flag maximum value READ WRITE When the peak value hold function BFM 22 b2 b3 is used BFM 109 clears the peak value minimum value stored in BFM 101 to BFM
61. r Str 8 40880 Ratingen Germany FX2N 5A Special function block viii Type Programmable Controller Open Type Equipment Models FX2N 5A manufactured from November 1st 2003 to April 30th 2006 are compliant with EN50081 2 and EN61131 2 1994 A11 1996 A12 2000 after May 1st 2006 are compliant with EN61131 2 2003 For more details please contact the local Mitsubishi Electric sales site Note for compliance with EN61131 2 2007 General note on the use of the power supply cable The FX2N 5A unit requies that the cable used for power supply is 30 m or less Standard Remark EN50081 2 1993 Electromagnetic compatibility Generic emission standard Industrial environment Compliance with all relevant aspects of the standard Radiated Emissions and Mains Terminal Voltage Emissions EN61131 2 1994 Programmable controllers A11 1996 Equipment requirements A12 2000 and tests Compliance with all relevant aspects of the standard RF Immunity Fast Transients ESD and Damped oscillatory wave EN61131 2 2007 Programmable controllers Equipment requirements and tests Compliance with all relevant aspects of the standard Radiated Emissions Mains Terminal Voltage Emissions RF immunity Fast Transients ESD Surge Voltage drops and interruptions Conducted and Power magnetic fields FX2N 5A Special function block Contents ix Guideline
62. t damage 5 Remount the provided terminal cover before supplying power and operating the unit after installation or wiring work in order to avoid electric shock 6 2 mm 0 24 or less For M3 0 12 6 2 mm 0 24 or less For M3 0 12 FX2N 5A Special function block FX2N 5A Special function block Wiring 5 5 2 5 2 Input Wiring Figure 5 2 Input Wiring 1 Use a two core shielded twisted pair for the analog input line and separate it from other power lines or a lines easily induced 2 If there is voltage ripple in the input signal or there is noise in the external wiring connect a bipolar capacitor of approximately 0 1 to 0 47 F 25 V 3 For the current input short circuit the V terminal and the I terminal 4 Make sure to connect the terminal to the terminal of the PLC basic unit to which Class D grounding 100 or less is performed 5 The 24 V DC service power supply of the PLC is also available For the terminal arrangement refer to Section 2 FX2N 5A 24 24 5 24V DC Class D grounding 4 Connected to terminal of PLC main unit AG 15V 15V V VI I V I V I VI 250 4 7k 250 4 7k 4 7k 250 200k CH1 CH2 CH4 AG VI 200k 200k IN1 IN2 IN4 3 Current input 2 1 Shielded cable Voltage input DC DC converter FX2N 5A Spec
63. ter display mode is used Maximum absolute input 30 mA Digital output Signed 16 bit binary 10 to 10V at input Signed 12 bit binary 100 to 100mV at input Signed 15 bit binary FX2N 5A Special function block Specifications 6 6 4 Resolution 312 5 V 20 V 1 64000 10 to 10V at input 50 V 200 mV 1 4000 100 to 100mV at input 10 A 40 mA 1 4000 20 to 20 mA at input 1 25 A 40 mA 1 32000 20 to 20 mA at input 10 A 40 mA 1 4000 4 to 20 mA at input 1 25 A 40 mA 1 32000 4 to 20 mA at input Total accuracy Ambient temperature 25 C 5 C 10 to 10V DC 0 3 60 mV against full scale 20V 100 to 100mV DC 0 5 100 mV against full scale 20V Ambient temperature 0 to 55 C 10 to 10V DC 0 5 100 mV against full scale 20V 100 to 100mV DC 1 0 200 mV against full scale 20V Ambient temperature 25 C 5 C 20 to 20mA DC 0 3 120 A against full scale 40 mA 4 to 20mA input is same 120 A Ambient temperature 0 to 55 C 20 to 20mA DC 0 5 200 A against full scale 40 mA 4 to 20mA input is same 200 A Table 6 4 Voltage current input specifications Item Voltage input Current input FX2N 5A Special function block Specifications 6 6 5 Table 6 5 Voltage current output specifications Item Voltage output Current output Analog output range 10 t
64. the output channel Table 7 13 Allocation of BFM 200 to 249 Channel No Set value kind BFM No Change point 1 Change point 2 Change point 3 Change point 4 Change point 5 Analog input channel CH1 Analog scale value 200 202 204 206 208 Digital value 201 203 205 207 209 Analog input channel CH2 Analog scale value 210 212 214 216 218 Digital value 211 213 215 217 219 Analog input channel CH3 Analog scale value 220 222 224 226 228 Digital value 221 223 225 227 229 Analog input channel CH4 Analog scale value 230 232 234 236 238 Digital value 231 233 235 237 239 Analog output channel Digital value 240 242 244 246 248 Analog scale value 241 243 245 247 249 FX2N 5A Special function block Buffer Memory BFM 7 7 48 Scaling function setting procedures The Scaling function is set according to the following procedure 1 Please make a set change in the I O characteristic permission BFM19 K1 2 Please write the mode which uses the Scaling function in BFM0 and BFM1 3 Please write the value of BFM200 to 249 allocated to the analog input output channel 4 Make the value of BFM200 to 249 effective by analog input channel of writes I O characteristics FX2N 5A Special function block Buffer Memory BFM 7 7 49 Program example when Scaling function is used Set change permission of I O
65. tput mode 10 to 10 V output range 10000 to 10000 7 Absolute Current output mode 4 to 20mA output range 4000 to 20000 8 Absolute Current output mode 0 to 20mA output range 0 to 20000 9 Scaling Voltage output mode 10 to 10 V maximum output range 32768 to 32767 A Scaling Current output mode 0 to 20 mA maximum output range 0 to 32767 B to F not valid the module will automatically restore the last valid setting BFM 1 H Specify of output mode Invalid FX2N 5A Special function block Buffer Memory BFM 7 7 15 The output characteristics such as the offset and gain settings are automatically changed depending on the settings of BFM 1 A mode change in BFM 1 will also affect the settings of BFM 45 offset data BFM 55 gain data and BFM 240 to 249 Scaling function data Before changing offset gain or Scaling function data the appropriate output mode specification must be set otherwise the offset gain or Scaling function data will be overwritten by the default data of the selected output mode The scale over status BFM 28 value present before the mode change will not automatically be cleared when performing a mode change The default value of BFM 1 is H0000 The value of BFM 1 is stored in the internal EEPROM non volatile The module contains a safety function to protect the internal EEPROM from being destroyed when the same value is accidentally written continuously to BFM 1 FX2N 5A Special function blo
66. umerical value at level is large Time The change in shorter width than cut off frequency is disregarded Input filter and when cut off frequency is used Analog value Digital value The change of the A D conversion value becomes smooth It is smooth when numerical value at level is large FX2N 5A Special function block Buffer Memory BFM 7 7 28 7 2 17 BFM 26 Upper lower limit value alarm status READ only If the upper lower limit value detection function BFM 22 b0 b1 is used the detection results are written to BFM 26 The lower limit value alarm or the upper limit value alarm of each channel is assigned to each bit of BFM 26 If the A D averaged conversion data of a channel BFM 6 to BFM 9 is outside the range set between the lower limit value BFM 71 to BFM 74 and the upper limit value BFM 81 to BFM 84 the corresponding alarm bits b0 to b7 for each channel lower limit alarm or higher limit alarm are set in BFM 26 If the A D immediate conversion data of a channel BFM 10 to BFM 13 is outside the range set between the lower limit value BFM 71 to BFM 74 and the upper limit value BFM 81 to BFM 84 the corresponding alarm bits b8 to b15 for each channel lower limit alarm or higher limit alarm are set in BFM 26 Once a bit turns ON it remains ON until it is reset by BFM 99 or the power is turned off Even while an upper lower limit value alarm is detected the data BFM 6 to BFM 13 of each channel are continuo
67. unit mV 12000 unit A 10000 unit A 5000 unit 10 V 5000 unit 10 V Input mode BFM 0 5 Voltmeter mode 10 to 10V 6 Amperemeter mode 4 to 20mA 7 Amperemeter mode 20 to 20mA 8 Voltmeter mode 100 to 100mV Initial offset value 0 fixed 0 fixed 0 fixed 0 fixed Initial gain value 16000 fixed unit mV 16000 fixed unit A 16000 fixed unit A 16000 fixed unit 10 V FX2N 5A Special function block Buffer Memory BFM 7 7 39 Setting range However the actual effective input range is 10 to 10 V 20 to 20 mA 4 to 20 mA or 100 to 100mV Table 7 9 Setting range Voltage input 10V Current input Voltage input 100mV Offset data 32000 to 5000 mV 32000 to 10000 A 32000 to 5000 10 V Gain data 5000 to 32000 mV 10000 to 32000 A 5000 to 32000 10 V Gain data offset data Gain value Offset value gt 1000 mV Gain value Offset value gt 1000 A Gain value Offset value gt 1000 10 V FX2N 5A Special function block Buffer Memory BFM 7 7 40 7 2 26 BFM 55 Analog output Gain data READ WRITE Output Gain data Analog output voltage or current if digital input in BFM 14 is 16000 or 1000 as stated in table below default gain value for voltage mode 10V 10V is 5V K5000 for current mode 4 20mA is 12mA K12000 and for current mode 0 20mA is 10mA K10000 The value of BFM 55 is stored non volat
68. usly updated FX2N 5A Special function block Buffer Memory BFM 7 7 29 Table 7 4 Bit assignment in BFM 26 Bit No Channel No Description b0 CH1 average data lower limit value alarm b1 average data upper limit value alarm b2 CH2 average data lower limit value alarm b3 average data upper limit value alarm b4 CH3 average data lower limit value alarm b5 average data upper limit value alarm b6 CH4 average data lower limit value alarm b7 average data upper limit value alarm b8 CH1 immediate data lower limit value alarm b9 immediate data upper limit value alarm b10 CH2 immediate data lower limit value alarm b11 immediate data upper limit value alarm b12 CH3 immediate data lower limit value alarm b13 immediate data upper limit value alarm b14 CH4 immediate data lower limit value alarm b15 immediate data upper limit value alarm FX2N 5A Special function block Buffer Memory BFM 7 7 30 7 2 18 BFM 27 A D data sudden change detection status READ only When the sudden change detection function is used the detection result is written to BFM 27 The sudden change detection is activated if the values in BFM 91 to BFM 94 are bigger than 0 The sudden change detection in direction or the sudden change detection in direction of each channel is assigned to each corresponding bit of BFM 27 When the immediate data BFM 10 to BFM 13 of each channel is updated if the difference bet
69. ween the previous value and the new value is larger than the sudden change detection set value BFM 91 to BFM 94 the corresponding bit turns ON When the new value is larger than the previous value a bit for the direction turns ON If the new value is smaller than the previous value a bit for the direction turns ON Once a bit turns ON it remains ON until it is reset by BFM 99 or the power is turned off Even while a sudden change alarm is detected the data BFM 6 to BFM 13 of each channel is continuously updated FX2N 5A Special function block Buffer Memory BFM 7 7 31 Table 7 5 Bit assignment in BFM27 Bit No Channel No Description b0 CH1 average data sudden change error in direction b1 average data sudden change error in direction b2 CH2 average data sudden change error in direction b3 average data sudden change error in direction b4 CH3 average data sudden change error in direction b5 average data sudden change error in direction b6 CH4 average data sudden change error in direction b7 average data sudden change error in direction b8 CH1 immediate date sudden change error in direction b9 immediate date sudden change error in direction b10 CH2 immediate date sudden change error in direction b11 immediate date sudden change error in direction b12 CH3 immediate date sudden change error in direction b13 immediate date sudden change error in direction

FX2N-5A Special function block USER`S MANUAL

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