Mitsubishi Electric FX2N-5A - Manuals

FX2N-5A Special function block iv Notes on the Symbols Used in this Manual At various times throughout this manual cer tain symbols will be used to highlight points whichare intended to ensure the users personal safety and protect the integr ity of equipment.Whenever any of the following symbols are...

FX2N-5A Special function block vi Note Concerning the CE Marking This document does not guarantee that a mechanical system including this product will complywith the following standards. Compliance to EMC standards of the entire mechanical systemshould be checked by the user / manufacturer. Complian...

FX2N-5A Special function block vii EMC The following products have shown compliance thr ough direct testing (of the identifiedstandards below) and design analysis (through the creation of a technical construction file) tothe European Directive for Electromagnetic Compatibility (89/336/EEC) when used...

Introduction 1 1-1 1. Introduction The FX 2N -5A analog special function block has four input channels and one output channel. The input channels receive analog signals and conver ts them to the comparable digital values.The output channel takes a digital value and outputs an equivalent analog signa...

FX2N-5A 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) ...

FX2N-5A Special function block External Dimensions and Parts 2 2-2 1) Direct mounting hole (2- φ 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) A...

Installation 3 3-1 3. Installation Install the FX 2N -5A to the right side of a main unit, extension unit, extension block or special block of the FX 0N /FX 1N /FX 2N /FX 2NC /FX 3U /FX 3UC Series PLC. The FX 2N -5A can be installed with DIN rail (DIN46277 of 35 mm in width) or directly installed wi...

FX2N-5A Special function block Installation 3 3-2 Figure 3.1: Installation with DIN rail • The FX 2N -5A can be installed on DIN rail (DIN46277) of 35 mm in width as it is. Forremoval, pull down on the DIN rail mountinghook, then remove the FX 2N -5A. Figure 3.2: Direct installation • The FX 2N -5A ...

Connection to PLC 4 4-1 4. Connection to PLC Connect the FX 2N -5A to the right side of a main unit, extension unit or extension block of FX 0N / FX 1N /FX 2N /FX 2NC /FX 3U /FX 3UC Series PLC with an extension cable. For connection to a basic unit or extension block of the FX 2NC Series PLC, use an...

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 scr...

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 itfrom other power lines or a lines easilyinduced. *2 If there is voltage ripple in the input signal or there is noise in the exter n...

FX2N-5A Special 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 wiredaway f r o m p owe r l i n e s o r a ny o t h e...

Specifications 6 6-1 6. Specifications *1 If the pressure is higher than the atmospheric pressure, do not use FX 2N -8AD. 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 humid...

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 Ω ) Adjustment is enabled with the following conditions:Offset value: -32000 to +5000 mVGain value: -5000 t...

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 to #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...

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 ...

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 table) for each channel. { K0 • • • #238 CH4 Scaling function Analog Value 5 { K0 #239 CH4 Scaling function Digital Value 5 { K0 #240 ...

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 hexadecimalcode, where one digit is assigned to each input channel. The range for eac...

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-digithexadecimal code, where only the lowest digit is assigned to the analog output channel. Therange for the...

FX2N-5A Special function block 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 usedto calculate the average values which are displayed in BFM 6 to BFM 9.The setting range of t...

FX2N-5A Special function block 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. Thenumber of samples to calculate the average data is influenced by the setting in BFM 2 to BFM...

FX2N-5A Special function block Buffer Memory (BFM) 7 7-19 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 l...

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 FX 2N -5A to the factory default. By initialization, the modes, average numbers, offset/gain settings, direct output controlfunction, lower...

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 FX 2N -5A. (Bit 4 is assingned to the analog output channel, bit 3 is assigned to inp...

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, theassigned functions become valid. Other bits, not specified by the values below, will simply bei...

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 functionto protect the internal EEPROM from being destroyed by accidentall...

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 9If at least one Hex digit in BFM 23 is set to a Hex number between 1 and 4, after calculating ofthe digital output value in BFM 15, t...

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 FX 2N -5A-Device: Table 7.2: Bit assignment in BFM 25 Bit No. Channel No. Description b0 CH...

FX2N-5A Special function block Buffer Memory (BFM) 7 7-26 Formula for filter cut-off frequency f L : f L = F 1 /(sampling time × no. of active channels) [Hz] with cut-off frequency factor F 1 =0.1, 0.05, 0.025 or 0.01. There are two filter parameters that can be changed, the filter-level and the cut...

FX2N-5A Special function block Buffer Memory (BFM) 7 7-27 A/D conversion value when input filter is used. Time Analog valueDigital value When input filter is used The change of the A/D conversion valuebecomes smooth.It is smooth when numerical value at levelis large. Time The change in shorter width...

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 val...

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 th...

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 (+/-100...

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 1000as stated in table below) default gain value for voltage mode (-10V/+10V) is 5V (=K5000), forcur...

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 alar m detection function (BFM 22 b0, b1) is written to thelower limit valu...

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 changeis written to BFM 91 to 94. If the value is 0, the function is disabled. The vali...

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 thed a t a ( B F M 6 t o ...

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 B...

FX2N-5A Special function block Buffer Memory (BFM) 7 7-49 Program example when Scaling function is used Set change permission of I/Ocharacteristic Input mode settingAnalog input CH1 is set inScaling function Analog scale value of changepoint 1 Digital value of change point 1 Digital value of change ...

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 tothe I/O mode selected for BFM0 and BFM1.When setting the analog scale value, write the value conver ted to percentage (1/100). Example: When input mod...

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 1000...

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 value : -32768 to +32767 Digital value 32767 -10000 (-10V) -32768 10000 ...

FX2N-5A Special function block Buffer Memory (BFM) 7 7-57 The figure below shows the example for an analog input. BFM#206:10000BFM#207:425 BFM#200:-10000BFM 201 :50 BFM#202:-4000BFM#203:275 BFM#204:3000BFM#205:375 C a lc ula ted Digita l Value Analog Input Scale Value (% of maximum range) Example fo...

Adjustment of I/O Characteristics 8 8-1 8. Adjustment of I/O Characteristics The factory, the FX 2N -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 characteri...

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 A pprox . 10. 24 0V A pprox . -10. 24 0V -32000Approx.-32768 Input voltage (V)...

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 A pprox .327 67 A pprox .- 327 68 -32000 Approx.-10.240 Output Voltage ...

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 FX 2N -5A. At first, write the input/output mode to BFM #0 and BFM #1, write the offset data to BFM #41 toBFM #45, then write t...

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 FX 2N -5A. Condition System configuration: The FX 2N -5A (unit No. 0) is connected as a special function block nearest to the FX ...

FX2N-5A Special function block Example program 9 9-4 9.2 Outline of FROM/TO commands FX 2N -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 transferdestination does not vary. For det...

Appendix A A-1 Appendix A:Associated Manuals List For fur ther information manual about FX Series, refer to following table: Table A-1: Further Information Manual Manual Name Manual No. Description FX 0 /FX 0N Hardware Manual JY992D47501 This manual contains hardware explanations of wiring, installa...

HEAD OFFICE: TOKYO BUILDING, 2-7-3 MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANHIMEJI WORKS: 840, CHIYODA CHO, HIMEJI, JAPAN JY997D11401D(MEE) Effective September 2008 Specifications are subject to change without notice. USER’S MANUAL FX 2N -5A Special function block MODEL FX2N-5A-U-E MODEL CODE 09...