Omron CJ1M-CPU series Programming Manual

183
SECTION 5
File Memory Functions
This section describes the functions used to manipulate file memory.
5-1 File Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
5-1-1 Types of File Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
5-1-2 File Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
5-1-3 Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
5-1-4 Description of File Operating Procedures . . . . . . . . . . . . . . . . . . . . 196
5-1-5 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
5-2 Manipulating Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
5-2-1 Programming Devices (Including Programming Consoles). . . . . . . 199
5-2-2 FINS Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
5-2-3 FREAD(700), FWRIT(701), and CMND(490) . . . . . . . . . . . . . . . . 203
5-2-4 Replacement of the Entire Program During Operation . . . . . . . . . . 208
5-2-5 Automatic Transfer at Startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
5-2-6 Simple Backup Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
5-3 Using File Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
5-3-1 Initializing Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
5-3-2 Operating Procedures for Memory Cards. . . . . . . . . . . . . . . . . . . . . 228
5-3-3 Operating Procedures for EM File Memory. . . . . . . . . . . . . . . . . . . 230

Omron CJ1M-CPU series Specifications

General

Series	CJ1M
Program Memory	Flash Memory
Power Supply Voltage	24V DC
Operating Temperature	0 to 55°C
Type	Programmable Controller
CPU Type	CPU11, CPU12, CPU13, CPU21, CPU22, CPU23
Data Memory	SRAM
Data Memory Capacity	32K words (CJ1M-CPU11/12/13), 64K words (CJ1M-CPU21/22/23)
Instruction Execution Time (Basic Instructions)	0.1 μs (LD instruction)
Instruction Set	Basic instructions, advanced instructions
Programming Language	Ladder Diagram, Structured Text, Function Block Diagram
Communication Ports	RS-232C
Expansion Slots	Up to 3
Mounting	DIN rail mounting
Storage Temperature	-25 to 70°C
Dimensions	90 x 90 x 70 mm
Weight	Approx. 200g (0.44 lb)
Number of Instructions	Over 400 instructions