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Mitsubishi Electric FX2N-2AD User Manual

Melsec fx2n series.
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This manual contains text, diagrams and explanations which will guide the reader in the correct installation
and operation of the FX
attempting to install or use the unit.
Further information can be found in the FX SERIES PROGRAMMING MANUAL(ΙΙ), FX
FX
/FX
Programming Manual, FX
3U
3UC
HARDWARE MANUAL of each PLC.
Compliance with EC directive (CE Marking)
This note does not guarantee that an entire mechanical module produced in accordance with the contents
of this note will comply with the following standards.
Compliance to EMC directive and LVD directive for the entire mechanical module should be checked by
the user/manufacturer. For more information please consult with your nearest Mitsubishi product provider.
Regarding the standards that comply with the main unit, please refer to either the FX series product
catalog or consult with your nearest Mitsubishi product provider.
Requirement for Compliance with EMC directive
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 (2014/30/EU) when used as directed by the appropriate documentation.
Attention
This product is designed for use in industrial applications.
Type:
Programmable Controller (Open Type Equipment)
Models:
MELSEC FX
from December 1st, 1998 FX
Standard
EN61131-2: 2007
Programmable controllers
- Equipment requirements and tests
Caution for EC Directive
The FX
-2AD have been found to be compliant to the European standards in the aforesaid manual and
2N
directive. However, for the very best performance from what are in fact delicate measuring and controlled
output device Mitsubishi Electric would like to make the following points;
As analog devices are sensitive by nature, their use should be considered carefully.
For users of proprietary cables (integral with sensors or actuators), these users should follow those
manufacturers installation requirements.
Mitsubishi Electric recommend that shielded cables should be used. If NO other EMC protection is provided,
then users may experience temporary loss or accuracy between ±10% in very heavy industrial areas.
However, Mitsubishi Electric suggest that if adequate EMC precautions are followed for the users
complete control system, users should expect accuracy as specified in this manual.
Sensitive analog cable should not be laid in the same trunking or cable conduit as high voltage
cabling. Where possible users should run analog cables separately.
Good cable shielding should be used. When terminating the shield at Earth - ensure that no earth
loops are accidentally created.
When reading analog values, EMC accuracy can be improved out by averaging the readings. This
can be achieved either through functions on the through a users program in the main unit.
FX
-2AD special function block and should be read and understood before
2N
/FX
0N
series manufactured
2N
-2AD
2N
Compliance with all relevant aspects of the standard.
EMI
• Radiated Emission
• Conducted Emission
EMS
• Radiated electromagnetic field
• Fast transient burst
• Electrostatic discharge
• High-energy surge
• Voltage drops and interruptions
• Conducted RF
• Power frequency magnetic field
-2AD SPECIAL FUNCTION BLOCK
2N
USER'S GUIDE
JY992D74701G
/FX
/FX
/FX
1N
2N
2NC
3S
/FX
/FX
/FX
3G
3GC
3U
Remark
/FX
/FX
/
3G
3GC
SERIES
3UC

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Table of Contents

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   Summary of Contents for Mitsubishi Electric FX2N-2AD

  • Page 1 For users of proprietary cables (integral with sensors or actuators), these users should follow those manufacturers installation requirements. Mitsubishi Electric recommend that shielded cables should be used. If NO other EMC protection is provided, then users may experience temporary loss or accuracy between ±10% in very heavy industrial areas.
  • Page 2 1. Introduction The FX -2AD type analog input block (hereafter referred to as the FX -2AD) is used to convert the analog input of two points (voltage and current input) into a digital value of 12 bits, and to forward the values to the Programmable Controller (hereafter referred to as a PLC).
  • Page 3 5. Specifications 5.1 General specification Item Content Dielectric withstand 500V AC 1min (Between all terminals and case) voltage General specifications other than the above-mentioned are the same as the main unit of the Programmable controller. (Refer to the Hardware manual of the Programmable controller) 5.2 Power supply specification and others Item Content...
  • Page 4 7. Adjustment of offset and gain 7.1 Change in input characteristic At shipment, 0 to 4000 range is selected for 0 to 10V DC input. When using an FX -2AD for current or differing voltage inputs except 0 to 10V DC, it is necessary to adjust the offset and gain.
  • Page 5 8. Program example The following program examples (8.1 and 8.3) are formula circuits. The device numbers that have been underlined can be assigned by the user during programming. 8.1 Example of programming analog input X000 H0000 Selecting A/D input channel 1. H0002 A/D conversion beginning of CH1.
  • Page 6 -2AD please consult your local Mitsubishi Electric representative. • 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.
  • Page 7 #2 to 16 Reserved Main unit and powered extension units of I/O 48 points or more. Consumption current available Mitsubishi Electric recommend that shielded cables should be used. If NO other EMC protection is provided, Analog to digital Analog to digital for undermentioned special function blocks ≤...
  • Page 8 OFFSET volume • Under no circumstances will Mitsubishi Electric be liable or responsible for any consequential data register of main unit.) GAIN damage that may arise as a result of the installation or use of this equipment. *1 Change the circuit of “*1” as follows when using an FX •...

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