881e Programming manual II - MITSUBISHI …

1 Programming manual IITHE FX series OF programmable CONTROLLER(FX1S, FX1N, FX2N, FX2NC)iFX series programmable ControllersProgramming manual 2000 MITSUBISHI Electric CorporationThis 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 number : JY992D88101 manual revision : EDate: April 2015FX series programmable ControllersForeword This manual contains text, diagrams and explanations which will guide the reader inthe correct Programming and operation of the PLC.

2 Before attempting to install or use the PLC this manual should be read andunderstood. If in doubt at any stage of the installation of the PLC always consult a professionalelectrical engineer who is qualified and trained to the local and national standardswhich apply to the installation site. If in doubt about the operation or use of the PLC please consult the nearestMitsubishi Electric distributor. This manual is subject to change without series programmable ControllersiiFX series programmable ControllersiiiGuidelines for the Safety of the User and Protection of the programmable Controller (PLC)This manual provides information for the use of the FX family of PLC s.

3 The manual has beenwritten to be used by trained and competent personnel. The definition of such a person orpersons is as follows;a) Any engineer who is responsible for the planning, design and construction of automaticequipment using the product associated with this manual should be of a competentnature, trained and qualified to the local and national standards required to fulfill thatrole. These engineers should be fully aware of all aspects of safety with regards toautomated ) Any commissioning or service engineer must be of a competent nature, trained andqualified to the local and national standards required to fulfill that job. These engineersshould also be trained in the use and maintenance of the completed product.

4 Thisincludes being completely familiar with all associated documentation for the said maintenance should be carried out in accordance with established safety ) All operators of the completed equipment (see Note) should be trained to use thisproduct in a safe manner in compliance to established safety practices. The operatorsshould also be familiar with documentation which is associated with the operation of thecompleted equipment. Note :Note: the term completed equipment refers to a third party constructed device whichcontains or uses the product associated with this on the Symbols Used in this ManualAt various times throughout this manual certain symbols will be used to highlight points ofinformation which are intended to ensure the users personal safety and protect the integrity ofequipment.

5 Whenever any of the following symbols are encountered its associated note mustbe read and understood. Each of the symbols used will now be listed with a brief description ofits Warnings1) Indicates that the identified danger WILL cause physical and property ) Indicates that the identified danger could POSSIBLY cause physical and ) Indicates a point of further interest or further Warnings4) Indicates special care must be taken when using this element of ) Indicates a special point which the user of the associate software element shouldbe aware ) Indicates a point of interest or further series programmable Controllersiv Under no circumstances will MITSUBISHI Electric be liable responsible for any consequentialdamage that may arise as a result of the installation or use of this equipment.

6 All examples and diagrams shown in this manual are intended only as an aid tounderstanding the text, not to guarantee operation. MITSUBISHI Electric will accept noresponsibility for actual use of the product based on these illustrative examples. Please contact a MITSUBISHI Electric distributor for more information concerning applicationsin life critical situations or high series programmable controllers1. What is a programmable Controller? .. What do You Need to Program a PLC? .. Special considerations for Programming equipment .. Current Generation CPU all versions .. Associated Manuals .. 1-42. Basic Program Instructions .. What is a Program?

7 Outline of Basic Devices Used in Programming .. How to Read Ladder Logic .. Load, Load Inverse .. Out .. Timer and Counter Variations .. Double Coil Designation .. And, And Inverse .. Or, Or Inverse .. Load Pulse, Load Trailing Pulse .. And Pulse, And Trailing Pulse .. Or Pulse, Or Trailing Pulse .. Or Block .. And Block .. MPS, MRD and MPP .. Master Control and Set and Reset .. Timer, Counter (Out & Reset).. Basic Timers, Retentive Timers And Normal 32 bit Counters .. High Speed Counters .. Leading and Trailing Pulse .. Inverse .. No Operation .. End .. 2-23vi3. STL Programming .. What is STL, SFC And IEC1131 Part 3?

8 How STL Operates .. Each step is a program .. How To Start And End An STL Program .. Embedded STL programs .. Activating new Terminating an STL Program .. Moving Between STL Steps .. Using SET to drive an STL coil .. Using OUT to drive an STL coil .. Rules and Techniques For STL Basic Notes On The Behavior Of STL Single Signal Step Control .. Restrictions Of Some Instructions When Used With Using STL To Select The Most Appropriate Program .. Using STL To Activate Multiple General Rules For Successful STL Branching .. General Precautions When UsingFX-PCS/AT-EE Software .. Programming Examples .. A Simple STL Flow.

9 A Selective Branch/ First State Merge Example Advanced STL 3-204. Devices in Inputs .. Outputs .. Auxiliary Relays .. General Stable State Auxiliary Relays .. Battery Backed/ Latched Auxiliary Special Diagnostic Auxiliary Relays .. Special Single Operation Pulse Relays .. State Relays .. General Stable State - State Relays .. Battery Backed/ Latched State Relays .. STL Step Relays .. Annunciator Flags .. Pointers .. Interrupt Pointers .. Input Interrupts .. Timer Interrupts .. Disabling Individual Interrupts .. Counter Interrupts .. Constant K .. Constant General timer Selectable Retentive Timers.

10 Timers Used in Interrupt and CALL Subroutines .. Timer Accuracy .. Counters .. General/ Latched 16bit UP Counters .. General/ Latched 32bit Bi-directional High Speed Counters .. Basic High Speed Counter Operation .. Availability of High Speed Counters .. 1 Phase Counters - User Start and Reset (C235 - C240) .. 1 Phase Counters - Assigned Start and Reset (C241 to C245) .. 2 Phase Bi-directional Counters (C246 to C250) .. A/B Phase Counters (C252 to C255) .. Data Registers .. General Use Registers .. Battery Backed/ Latched Registers .. Special Diagnostic File Registers .. Externally Adjusted Registers .. Index Modifying a Misuse of the Modifiers.