Quick Links. Download this manual. This manual contains text, diagrams and explanations which will guide the reader in the correct installation. This note does not guarantee that an entire mechanical module produced in accordance with the contents.
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This manual contains text, diagrams and explanations which will guide the reader in the correct installation and operation of the FX2N-2AD special function block and should be read and understood before attempting to install or use the unit.
At this time, assume setting to be two channels common analog input voltage input or current input. The total of 5V of the special function block connected with the main unit of the PLC consumption current must not exceed 5V voltage source capacity of the main unit and the powered extension unit.
Make the input characteristic common with two channels. At shipping, the unit is adjusted to a digital range of 0 to for an analog voltage input of 0 to 10V DC. However the following limitation exists when undermentiond special function blocks are connected. Environmental specifications other than the above-mentioned are the same as the main unit of the Programmable controller. Refer to the manual of the Programmable controller. Photo-coupler isolation between analog and digital circuits.
No isolation between analog channels. The blocks occupy either 8 input or output points can be either inputs or outputs. The FX2N-2AD cannot have 1 channel as an analog voltage input and one channel as a current input because both channels use the same offset and gain values.
Connect a 0. BFM 0 :The current value of the input data of the channel specified with BFM 17 subordinate position 8bit data is stored. The current value data is stored by binary. BFM 1:The current value of input data high rank 4bit data is stored. Program example". The following program examples 8. The device numbers that have been underlined can be assigned by the user during programming.
Connection with programmable controller" condition is satisfied. The offset value and the gain value when from shipped the factory is adjusted for a digital value of 0 to for the voltage input 0 to 10V. It is necessary to readjust the offset value and the gain value when FX2N-2AD is used by current input, the 0 to 5V DC voltage input, or with an input characteristic the factory setting.
The adjustment of the offset value and the gain value sets a digital value to the analogue value actually input by using the voltage generator and the current generator according to the volume of FX2N2AD. The gain value can be set to an arbitrary digital value. However, to demonstrate the resolution of 12bit to its maximum, a digital range of 0 to is available. K 4M D ] d T he high rank 4 bits of C H 1 are m oved to the subordinate position 8 bits, and it is stored in D The offset value can be set to an arbitrary digital value.
However, it is advisable to set the analog value when the digital value is set at the following. Add the undermentioned program after "8. For instance, when a digital range of 0 to is used with the analog range of 0 to 10V, a digital value of 40 is equal to an analog input of mV. There are the few differences between channels. However, check each channel individually for maximum accuracy. Lit :The extension cable is correctly connected. Turn off or blinks :Confirm the proper connection of the extension cable.
Confirm the analog to digital conversion from the input characteristic. This manual has been written to be used by trained and competent personnel. This is defined by the European directives for machinery, low voltage and EMC.
If in doubt at any stage during the installation of the FX2N-2AD always consult a professional electrical engineer who is qualified and trained to the local and national standards. Under no circumstances will Mitsubishi Electric be liable or 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 actual use of the product based on these illustrative examples. Owing to the very great variety in possible application of this equipment, you must satisfy yourself as to its suitability for your specific application.
The input characteristic when shipped from the factory is 0 to 10V DC. A digital value is adjusted to at 10V in the analog input value when the voltage is input. A digital value is adjusted to at 20mA in the analog input value when the current is input.
If a different input characteristic is desired, please adjust as required. When the input characteristic is adjusted, the input characteristics of CH1 and CH2 are changed. Assign these numbers only one time. Processing time: Time from turning on X and X to storage of analog to digital conversion value in data register of main unit.
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Allocation of buffer memory BFM 6. Adjustment of offset and gain 8. Program example 9. Notes in drive 7. Error check 5 Readjust the offset and gain by "Adjustment of offset and gain" when the analog to digital conversion is not suitable for the input characteristic.
V o ltage inpu t cha racte ristic 0 to 1 0V A t fa ctory is ship ped 4 The coexistence use for the current input and the voltage input cannot be done with two channels. Blake Payrice.
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FX2N-2AD | Mitsubishi Electric | Analog Input Modules
Mitsubishi Electric FX2N-2AD User Manual
Fx2n 2ad User s Guide 2ch i