Mitsubishi FX3G Series Programming Manual

34
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.6 Program Memory and Devices
2) When using an attached memory cassette (does not use the built-in program memory)
CPU System ROM
Built-in program memory
(RAM)
Not used
Memory cassette
(Flash memory)
Parameter
File register (D)
Special setting
Comment
Sequence program
Extension file register (ER)
The PLC automatically recognizes attachment of a
memory cassette (when the power is turned ON),
and disconnects the built-on program memory.
(Priority is given to the memory cassette.)
Built-in device memory (RAM)
[Bit device memory] [Data memory]
Transfer and initialization by
instructions
Contact image memory
• Input relay (X) • Output relay (Y)
• Auxiliary relay (M) • State relay (S)
Timer contact and time counting coil
Counter contact, counting coil, and reset coil
• Data register (D)
• Timer present value register (T)
• Counter present value register (C)
• Index register (V, Z)
• Extension register (R)
Symbolic information
*1. Supported in Ver. 3.00 or later.
*1

Mitsubishi FX3G Series Specifications

General

Model	FX3G Series
Power Supply	AC 100-240V or DC 24V
Program Capacity	32, 000 steps
Execution Speed	0.21 µs/basic instruction
Communication Options	RS-422, USB, Ethernet
Expansion Modules	Analog, digital, communication
Programming Language	Ladder Logic, Instruction List
Built-in Functions	High-speed counters, pulse output
Analog I/O	Available via expansion modules