Contents

Front Cover
Manual number
Guidelines for the Safety
Table of Contents
1. Introduction
- 1.1 Overview
- 1.2 What is a Programmable Controller?
- 1.3 What do You Need to Program a PLC?
- 1.4 Special considerations for programming equipment
  - 1.4.1 Current Generation CPU all versions
- 1.5 Associated Manuals
2. Basic Program Instructions
- 2.1 What is a Program?
- 2.2 Outline of Basic Devices Used in Programming
- 2.3 How to Read Ladder Logic
- 2.4 Load, Load Inverse
- 2.5 Out
  - 2.5.1 Timer and Counter Variations
  - 2.5.2 Double Coil Designation
- 2.6 And, And Inverse
- 2.7 Or, Or Inverse
- 2.8 Load Pulse, Load Trailing Pulse
- 2.9 And Pulse, And Trailing Pulse
- 2.10 Or Pulse, Or Trailing Pulse
- 2.11 Or Block
- 2.12 And Block
- 2.13 MPS, MRD and MPP
- 2.14 Master Control and Reset
- 2.15 Set and Reset
- 2.16 Timer, Counter (Out & Reset)
  - 2.16.1 Basic Timers, Retentive Timers And Counters
  - 2.16.2 Normal 32 bit Counters
  - 2.16.3 High Speed Counters
- 2.17 Leading and Trailing Pulse
- 2.18 Inverse
- 2.19 No Operation
- 2.20 End
3. STL Programming
- 3.1 What is STL, SFC And IEC1131 Part 3?
- 3.2 How STL Operates
  - 3.2.1 Each step is a program
- 3.3 How To Start And End An STL Program
  - 3.3.1 Embedded STL programs
  - 3.3.2 Activating new states
  - 3.3.3 Terminating an STL Program
- 3.4 Moving Between STL Steps
  - 3.4.1 Using SET to drive an STL coil
  - 3.4.2 Using OUT to drive an STL coil
- 3.5 Rules and Techniques For STL programs
  - 3.5.1 Basic Notes On The Behavior Of STL programs
  - 3.5.2 Single Signal Step Control
- 3.6 Restrictions Of Some Instructions When Used With STL
- 3.7 Using STL To Select The Most Appropriate Program
- 3.8 Using STL To Activate Multiple Flows Simultaneously
- 3.9 General Rules For Successful STL Branching
- 3.10 General Precautions When Using FX-PCS/AT-EE Software
- 3.11 Programming Examples
  - 3.11.1 A Simple STL Flow
  - 3.11.2 A Selective Branch/ First State Merge Example Program
- 3.12 Advanced STL Use
4. Devices in Detail
- 4.1 Inputs
- 4.2 Outputs
- 4.3 Auxiliary Relays
  - 4.3.1 General Stable State Auxiliary Relays
  - 4.3.2 Battery Backed/ Latched Auxiliary Relays
  - 4.3.3 Special Diagnostic Auxiliary Relays
  - 4.3.4 Special Single Operation Pulse Relays
- 4.4 State Relays
  - 4.4.1 General Stable State - State Relays
  - 4.4.2 Battery Backed/ Latched State Relays
  - 4.4.3 STL Step Relays
  - 4.4.4 Annunciator Flags
- 4.5 Pointers
- 4.6 Interrupt Pointers
  - 4.6.1 Input Interrupts
  - 4.6.2 Timer Interrupts
  - 4.6.3 Disabling Individual Interrupts
  - 4.6.4 Counter Interrupts
- 4.7 Constant K
- 4.8 Constant H
- 4.9 Timers
  - 4.9.1 General timer operation
  - 4.9.2 Selectable Timers
  - 4.9.3 Retentive Timers
  - 4.9.4 Timers Used in Interrupt and CALL Subroutines
  - 4.9.5 Timer Accuracy
- 4.10 Counters
  - 4.10.1 General/ Latched 16bit UP Counters
  - 4.10.2 General/ Latched 32bit Bi-directional Counters
- 4.11 High Speed Counters
  - 4.11.1 Basic High Speed Counter Operation
  - 4.11.2 Availability of High Speed Counters
  - 4.11.3 1 Phase Counters - User Start and Reset (C235 - C240)
  - 4.11.4 1 Phase Counters - Assigned Start and Reset (C241 to C245)
  - 4.11.5 2 Phase Bi-directional Counters (C246 to C250)
  - 4.11.6 A/B Phase Counters (C252 to C255)
- 4.12 Data Registers
  - 4.12.1 General Use Registers
  - 4.12.2 Battery Backed/ Latched Registers
  - 4.12.3 Special Diagnostic Registers
  - 4.12.4 File Registers
  - 4.12.5 Externally Adjusted Registers
- 4.13 Index Registers
  - 4.13.1 Modifying a Constant
  - 4.13.2 Misuse of the Modifiers
  - 4.13.3 Using Multiple Index Registers
- 4.14 Bits, Words, BCD and Hexadecimal
  - 4.14.1 Bit Devices, Individual and Grouped
  - 4.14.2 Word Devices
  - 4.14.3 Interpreting Word Data
  - 4.14.4 Twos Compliment
- 4.15 Floating Point And Scientific Notation
  - 4.15.1 Scientific Notation
  - 4.15.2 Floating Point Format
  - 4.15.3 Summary Of The Scientific Notation and Floating Point Numbers
5. Applied Instructions
- 5.1 Program Flow-Functions 00 to 09
  - 5.1.1 CJ (FNC 00)
  - 5.1.2 CALL (FNC 01)
  - 5.1.3 SRET (FNC 02)
  - 5.1.4 IRET, EI, DI (FNC 03, 04, 05)
  - 5.1.5 FEND (FNC 06)
  - 5.1.6 WDT (FNC 07)
  - 5.1.7 FOR, NEXT (FNC 08, 09)
- 5.2 Move And Compare - Functions 10 to 19
  - 5.2.1 CMP (FNC 10)
  - 5.2.2 ZCP (FNC 11)
  - 5.2.3 MOV (FNC 12)
  - 5.2.4 SMOV (FNC 13)
  - 5.2.5 CML (FNC 14)
  - 5.2.6 BMOV (FNC 15)
  - 5.2.7 FMOV (FNC 16)
  - 5.2.8 XCH (FNC 17)
  - 5.2.9 BCD (FNC18)
  - 5.2.10 BIN (FNC 19)
- 5.3 Arithmetic And Logical Operations - Functions 20 to 29
  - 5.3.1 ADD (FNC 20)
  - 5.3.2 SUB (FNC 21)
  - 5.3.3 MUL (FNC 22)
  - 5.3.4 DIV (FNC 23)
  - 5.3.5 INC (FNC 24)
  - 5.3.6 DEC (FNC 24)
  - 5.3.7 WAND (FNC 26)
  - 5.3.8 WOR (FNC 27)
  - 5.3.9 WXOR (FNC 28)
  - 5.3.10 NEG (FNC 29)
- 5.4 Rotation And Shift - Functions 30 to 39
  - 5.4.1 ROR (FNC 30)
  - 5.4.2 ROL (FNC 31)
  - 5.4.3 RCR (FNC 32)
  - 5.4.4 RCL (FNC 33)
  - 5.4.5 SFTR (FNC 34)
  - 5.4.6 SFTL (FNC 35)
  - 5.4.7 WSFR (FNC 36)
  - 5.4.8 WSFL (FNC 37)
  - 5.4.9 SFWR (FNC 38)
  - 5.4.10 SFRD (FNC 39)
- 5.5 Data Operation - Functions 40 to 49
  - 5.5.1 ZRST (FNC 40)
  - 5.5.2 DECO (FNC 41)
  - 5.5.3 ENCO (FNC 42)
  - 5.5.4 SUM (FNC 43)
  - 5.5.5 BON (FNC 44)
  - 5.5.6 MEAN (FNC 45)
  - 5.5.7 ANS (FNC 46)
  - 5.5.8 ANR (FNC 47)
  - 5.5.9 SQR (FNC 48)
  - 5.5.10 FLT (FNC 49)
- 5.6 High Speed Processing - Functions 50 to 59
  - 5.6.1 REF (FNC 50)
  - 5.6.2 REFF (FNC 51)
  - 5.6.3 MTR (FNC 52)
  - 5.6.4 HSCS (FNC 53)
  - 5.6.5 HSCR (FNC 54)
  - 5.6.6 HSZ (FNC 55)
  - 5.6.7 SPD (FNC 56)
  - 5.6.8 PLSY (FNC 57)
  - 5.6.9 PWM (FNC 58)
  - 5.6.10 PLSR (FNC 59)
- 5.7 Handy Instructions - Functions 60 to 69
  - 5.7.1 IST (FNC 60)
  - 5.7.2 SER (FNC 61)
  - 5.7.3 ABSD (FNC 62)
  - 5.7.4 INCD (FNC 63)
  - 5.7.5 TTMR (FNC 64)
  - 5.7.6 STMR (FNC 65)
  - 5.7.7 ALT (FNC 66)
  - 5.7.8 RAMP (FNC 67)
  - 5.7.9 ROTC (FNC 68)
  - 5.7.10 SORT (FNC 69)
- 5.8 External FX I/O Devices - Functions 70 to 79
  - 5.8.1 TKY (FNC 70)
  - 5.8.2 HKY (FNC 71)
  - 5.8.3 DSW (FNC 72)
  - 5.8.4 SEGD (FNC 73)
  - 5.8.5 SEGL (FNC 74)
  - 5.8.6 ARWS (FNC 75)
  - 5.8.7 ASC (FNC 76)
  - 5.8.8 PR (FNC 77)
  - 5.8.9 FROM (FNC 78)
  - 5.8.10 TO (FNC 79)
- 5.9 External FX Serial Devices - Functions 80 to 89
  - 5.9.1 RS (FNC 80)
  - 5.9.2 RUN (FNC 81)
  - 5.9.3 ASCI (FNC 82)
  - 5.9.4 HEX (FNC 83)
  - 5.9.5 CCD (FNC 84)
  - 5.9.6 VRRD (FNC 85)
  - 5.9.7 VRSD (FNC 86)
  - 5.9.8 PID (FNC 88)
- 5.10 Floating Point 1 & 2 - Functions 110 to 129
  - 5.10.1 ECMP (FNC 110)
  - 5.10.2 EZCP (FNC 111)
  - 5.10.3 EBCD (FNC 118)
  - 5.10.4 EBIN (FNC 119)
  - 5.10.5 EADD (FNC 120)
  - 5.10.6 EAUB (FNC 121)
  - 5.10.7 EMUL (FNC 122)
  - 5.10.8 EDIV (FNC 123)
  - 5.10.9 ESQR (FNC 127)
  - 5.10.10 INT (FNC 129)
- 5.11 Trigonometry - FNC 130 to FNC 139
  - 5.11.1 SIN (FNC 130)
  - 5.11.2 COS (FNC 131)
  - 5.11.3 TAN (FNC 132)
- 5.12 Data Operations 2 - FNC 140 to FNC 149
  - 5.12.1 SWAP (FNC 147)
- 5.13 Positioning Control - FNC 150 to FNC 159
  - 5.13.1 Cautions when using Positioning Instructions
  - 5.13.2 Pulse train settings
  - 5.13.3 Devices related to positioning
  - 5.13.4 Servo Wiring Example
  - 5.13.5 Example Program
  - 5.13.6 ABS (FNC 155)
  - 5.13.7 ZRN (FNC 156)
  - 5.13.8 PLSV (FNC157)
  - 5.13.9 DRVI (FNC 158)
  - 5.13.10 DRVA (FNC 159)
- 5.14 Real Time Clock Control - FNC 160 to FNC 169
  - 5.14.1 TCMP (FNC 160)
  - 5.14.2 TZCP (FNC 161)
  - 5.14.3 TADD (FNC 162)
  - 5.14.4 TSUB (FNC 163)
  - 5.14.5 TRD (FNC 166)
  - 5.14.6 TWR (FNC 167)
  - 5.14.7 Hour (FNC 169)
- 5.15 Gray Codes - FNC 170 to FNC 179
  - 5.15.1 GRY (FNC 170)
  - 5.15.2 GBIN (FNC 171)
  - 5.15.3 RD3A (FNC 176)
  - 5.15.4 WR3A (FNC 177)
- 5.16 Additional Functions - FNC 180 to FNC 189
  - 5.16.1 EXTR (FNC 180)
- 5.17 Inline Comparisons - FNC 220 to FNC 249
  - 5.17.1 LD compare (FNC 224 to 230)
  - 5.17.2 AND compare (FNC 232 to 238)
  - 5.17.3 OR compare (FNC 240 to 246)
6. Diagnostic Devices
- 6.1 Device Lists
- 6.2 PLC Status (M8000 to M8009 and D8000 to D8009)
- 6.3 Clock Devices (M8010 to M8019 and D8010 to D8019)
- 6.4 Operation Flags (M8020 to M8029 and D8020 to D8029)
- 6.5 PLC Operation Mode (M8030 to M8039 and D8030 to D8039)
- 6.6 Step Ladder (STL) Flags (M8040 to M8049 and D8040 to D8049)
- 6.7 Interrupt Control Flags (M8050 to M8059 and D8050 to D8059)
- 6.8 Error Detection Devices (M8060 to M8069 and D8060 to D6069)
- 6.9 Link and Special Operation Devices (M8070 to M8099 and D8070 to D8099)
- 6.10 Miscellaneous Devices (M8100 to M8119 and D8100 to D8119)
- 6.11 Communication Adapter Devices, i.e. 232ADP, 485ADP (M8120 to M8129 and D8120 to D8129)
- 6.12 High Speed Zone Compare Table Comparison Flags (M8130 to M8148 and D8130 to D8148)
- 6.13 Miscellaneous Devices (M8160 to M8199)
- 6.14 Miscellaneous devices (D8158 to D8164) and Index Registers (D8182 to D8199)
- 6.15 N:N Network Related Flags and Data Registers
- 6.16 Up/Down Counter Control (M8200 to M8234 and D8219 to D8234)
- 6.17 High Speed Counter Control (M8235 to M8255 and D8235 to D8255)
- 6.18 Error Code Tables
7. Execution Times And Instructional Hierarchy
- 7.1 Basic Instructions
- 7.2 Applied Instructions
- 7.3 Hierarchical Relationships Of Basic Program Instructions
- 7.4 Batch Processing
- 7.5 Summary of Device Memory Allocations
- 7.6 Limits Of Instruction Usage
  - 7.6.1 Instructions Which Can Only Be Used Once In The Main Program Area
  - 7.6.2 Instructions Which Are Not Suitable For Use With 110V AC Input Units
8. PLC Device Tables
- 8.1 Performance Specification Of The FX1S
- 8.2 Performance Specification Of The FX1N
- 8.3 Performance Specification Of The FX2N and the FX2NC PLCs
9. Assigning System Devices
- 9.1 Addressing Extension Modules
- 9.2 Real Time Clock Function
  - 9.2.1 Setting the real time clock
- 9.3 Analog Expansion Boards
  - 9.3.1 FX1N-1DA-BD
  - 9.3.2 FX1N-2AD-BD
10. Points Of Technique
- 10.1 Advanced Programming Points
- 10.2 Users of DC Powered FX2N Units
- 10.3 Using The Forced RUN/STOP Flags
  - 10.3.1 A RUN/STOP push button configuration
  - 10.3.2 Remote RUN/STOP control
- 10.4 Constant Scan Mode
- 10.5 Alternating ON/OFF States
- 10.6 Using Battery Backed Devices For Maximum Advantage
- 10.7 Indexing Through Multiple Display Data Values
- 10.8 Reading And Manipulating Thumbwheel Data
- 10.9 Measuring a High Speed Pulse Input
  - 10.9.1 A 1 msec timer pulse measurement
  - 10.9.2 A 0.1 msec timer pulse measurement
- 10.10 Using The Execution Complete Flag, M8029
- 10.11 Creating a User Defined MTR Instruction
- 10.12 An Example System Application Using STL And IST Program Control
- 10.13 Using The PWM Instruction For Motor Control
- 10.14 Communication Format
  - 10.14.1 Specification of the communication parameters:
  - 10.14.2 Header and Terminator Characters
  - 10.14.3 Timing diagrams for communications:
  - 10.14.4 8 bit or 16 bit communications.
- 10.15 PID Programming Techniques
  - 10.15.1 Keeping MV within a set range
  - 10.15.2 Manual/Automatic change over
  - 10.15.3 Using the PID alarm signals
  - 10.15.4 Other tips for PID programming
- 10.16 Additional PID functions
  - 10.16.1 Output Value range control (S3+1 b5)
- 10.17 Pre-tuning operation
  - 10.17.1 Variable Constants
- 10.18 Example Autotuning Program
- 10.19 Using the FX1N-5DM Display module.
  - 10.19.1 Outline of functions.
  - 10.19.2 Control devices for 5DM
  - 10.19.3 Display screen protect function
  - 10.19.4 Specified device monitor
  - 10.19.5 Specified device edit
  - 10.19.6 Automatic Backlight OFF
  - 10.19.7 Error display enable / disable
11. Index
- 11.1 Index
- 11.2 ASCII Character Codes
- 11.3 Applied Instruction List
Back Cover

Mitsubishi Electric FX Series v2 Programming Manual

Mitsubishi Electric FX Series manual cover

Pages 466

Year 2015

Language(s)

of 466

Mitsubishi Electric FX Series Specification

The Mitsubishi Electric FX Series is a range of compact, versatile programmable logic controllers (PLCs) designed for a wide array of industrial automation tasks. These controllers are engineered to deliver high performance and reliability, making them suitable for both small-scale and complex applications. The FX Series features a modular design that allows for easy expansion and customization, enabling users to tailor the system to specific requirements. Each unit is equipped with an integrated CPU, power supply, and input/output (I/O) interfaces, ensuring seamless operation and connectivity.

The FX Series supports various communication protocols, including Ethernet, RS-232, RS-485, and CC-Link, facilitating efficient data exchange and integration into existing automation networks. The controllers are compatible with Mitsubishi's GX Works2 and GX Developer programming software, providing a user-friendly interface for programming and system configuration. Advanced features such as high-speed counters, positioning control, and pulse output capabilities are incorporated to enhance operational precision.

The series is designed with a focus on energy efficiency and compactness, allowing for installation in space-constrained environments without compromising functionality. The FX Series also includes robust diagnostic and troubleshooting tools, aiding in quick identification and resolution of potential issues. Built to withstand harsh industrial conditions, these controllers offer a wide operating temperature range and are resistant to vibration and electrical noise.

Overall, the Mitsubishi Electric FX Series represents a comprehensive solution for industrial automation, delivering flexibility, scalability, and performance. Its rich set of features and adaptability make it an ideal choice for industries looking to optimize their control systems and improve operational efficiency.

Mitsubishi Electric FX Series F.A.Q.

How do I connect the Mitsubishi FX Series PLC to a HMI device?

To connect the Mitsubishi FX Series PLC to a HMI device, use the RS-232 or RS-485 communication ports. Ensure that the communication parameters (baud rate, parity, data bits, and stop bits) on both devices match. Use compatible communication cables and configure the HMI with the correct PLC model and address settings.

What steps should I follow to update the firmware on a Mitsubishi FX Series PLC?

To update the firmware on a Mitsubishi FX Series PLC, download the latest firmware version from the Mitsubishi Electric website. Connect your PC to the PLC using a USB or serial cable. Open the programming software, navigate to the firmware update tool, select the downloaded firmware file, and follow the on-screen instructions to complete the update.

How can I troubleshoot communication errors between my Mitsubishi FX PLC and other devices?

First, verify that all physical connections are secure and that cables are not damaged. Check that the communication settings on both the PLC and connected devices are correctly configured. Use diagnostic tools in the programming software to identify error codes and refer to the manual for troubleshooting steps. Ensure firmware and software are up-to-date.

What maintenance procedures should be regularly performed on the Mitsubishi FX Series PLC?

Regular maintenance procedures for the Mitsubishi FX Series PLC include inspecting and cleaning the device to remove dust and debris, checking connections for tightness, verifying that there are no loose wires, updating firmware and software, and performing routine backups of the PLC program.

Is it possible to expand the I/O capacity of a Mitsubishi FX PLC?

Yes, you can expand the I/O capacity of a Mitsubishi FX PLC using expansion modules. These modules connect to the main PLC unit and provide additional input and output points. Ensure the total I/O count does not exceed the maximum capacity specified by the PLC model.

How do I perform a factory reset on a Mitsubishi FX Series PLC?

To perform a factory reset, power off the PLC, remove the battery, and short the reset pin on the CPU board if available. Alternatively, use the programming software to execute a memory clear operation. Refer to the user manual for model-specific instructions.

What are common causes of power supply issues in the FX Series PLC and how can they be addressed?

Common causes of power supply issues include overloaded circuits, faulty power supply units, and unstable input power. Address these by verifying the power supply rating, replacing faulty units, and ensuring stable power input. Consider using an uninterruptible power supply (UPS) for protection.

Can I use Mitsubishi FX PLCs in high-temperature environments?

Mitsubishi FX PLCs are designed to operate within specific temperature ranges. For high-temperature environments, ensure adequate ventilation and consider using cooling systems or enclosures designed to dissipate heat. Check the PLC’s operating temperature specifications in the manual.

How do I configure the Mitsubishi FX PLC for remote access and monitoring?

To configure remote access, connect the PLC to a network using Ethernet modules. Set up a VPN or port forwarding on the network for secure access. Use Mitsubishi’s remote monitoring software to access the PLC over the network, ensuring all security protocols are followed.

What should I do if the Mitsubishi FX PLC does not start up properly?

If the PLC does not start up, check the power supply and ensure all connections are secure. Inspect for any visible damage on the PLC. Use the programming software to check for error codes and perform diagnostics. If necessary, consult the manual or contact Mitsubishi support for further assistance.