Mitsubishi Electric MELSEC FX3U - 2.5 Introduction of Devices Constructing PLC

29
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.3 Analog/Positioning Special Control
1
Introduction
2
Overview
3
Instruction List
4
Devices in Detail
5
Specified the Device & Constant
6
Before Programming
7
Basic Instruction
8
FNC00-FNC09 Program Flow
9
FNC10-FNC19 Move & Compare
10
FNC20-FNC29 Arith. & Logic Operation
• ASCII code data input (ASC/FNC 76)
• BFM Read, BFM Write(FNC 78, FNC 79,
FNC278, and FNC279)
• Serial communication (FNC 80 and FNC 87)
• Analog volume (FNC 85 and FNC 86)
• Inverter communication (FNC270 to FNC274)
• Hexadecimal to ASCII conversion
(ASCI/FNC 82)
• ASCII to hexadecimal conversion
(HEX/FNC 83)
• Cyclic redundancy check (CRC/FNC188)
• Random number generation (RND/FNC184)
• Real time clock control (FNC160 to FNC167)
• Hour meter (HOUR/FNC 169)
• Timing pulse generation (DUTY/FNC186)
• Logging R and ER (LOGR/FNC293)
→ Refer to Chapter 14, Chapter 15,
Chapter 16, Chapter 21, Chapter 24, Chapter
30, Chapter 31 and Chapter 33.
8. Complicated control
• Search a data stack (SER/FNC 61)
• Sort tabulated data (FNC 69 and FNC149)
• PID control loop (PID/FNC 88)
→ Refer to Chapter 14, Chapter 16 and
Chapter 19.
9. Positioning control
• Dog search zero return (DSZR/FNC150)
• Interrupt positioning (DVIT/FNC151)
• Batch data positioning mode (TBL/FNC152)
• Absolute present value read (ABS/FNC155)
• Zero return (ZRN/FNC156)
• Variable speed pulse output (PLSV/FNC157)
• Drive to increment (DRVI/FNC158)
• Drive to absolute (DRVA/FNC159)
→ Refer to Chapter 20.
→ Refer to the Positioning Control Manual.
2.3 Analog/Positioning Special Control
For the details, refer to the manual of each product.
1. Analog I/O control
• Analog input
• Analog output
• Pt100 temperature sensor input
• Thermocouple temperature sensor input
• Block dedicated to temperature control
→ Refer to the respective product manual.
2. Positioning control
• SSCNETΙΙΙ - Positioning Block.
• Pulse output block (controlled by sequence
program)
• Positioning unit (controlled by instructions
dedicated to positioning)
• Cam switch (resolver detection)
→ Refer to the respective product manual.
3. High speed counter
• High speed counter (hardware counter
equipped with multiplication function)
→ Refer to the respective product manual.