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6.2.5 Universal model QCPU
(1) Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU
*1 The size unit of the files stored in the memory area differs depending on the CPU module.
For details, refer to the following.
QnUCPU User's Manual (Function Explanation, Program Fundamentals)
*2 The maximum number of executable sequence steps is obtained by the following formula.
(Program size) - (File header size (Default: 34 steps))
For details of the program size and files, refer to the following.
QnUCPU User's Manual (Function Explanation, Program Fundamentals)
*3 Data in the CPU shared memory is not latched.
Data in the CPU shared memory is cleared when the programmable controller is powered on or the CPU module is
reset.
QCPU User's Manual (Multiple CPU System)
Item
Universal model QCPU
Q00UJCPU Q00UCPU Q01UCPU Q02UCPU
Control method Stored program cyclic operation
I/O control mode
Refresh mode
(Direct access I/O is available by specifying direct access I/O (DX, DY).)
Program
language
Sequence control language
Relay symbol language, logic symbolic language, MELSAP3 (SFC),
MELSAP-L, function block and structured text (ST)
Process control language ----
Processing
speed
(sequence
instruction)
LD X0 120ns 80ns 60ns 40ns
MOV D0 D1 240ns 160ns 120ns 80ns
Processing
speed
(redundant
function)
Tracking execution time
(increased scan time)
----
Constant scan
(Function for keeping regular scan time)
0.5 to 2000ms
(Setting available in 0.5ms unit) (Setting by parameters)
Program size
*1, *2
10K steps
(40K bytes)
15K steps
(60K bytes)
20K steps
(80K bytes)
Memory size
*1
Program memory (drive 0) 40K bytes 60K bytes 80K bytes
Memory card (RAM) (drive 1) ----
Size of the installed
memory card
(8M bytes max.)
Memory card (ROM) (drive 2) ----
Size of the installed
memory card
(Flash card:
4M bytes max.,
ATA card:
32M bytes max.)
Standard RAM (drive 3) ---- 128K bytes
Standard ROM (drive 4) 256K bytes 512K bytes
CPU
shared
memory
*3
---- 8K bytes
Multiple CPU high
speed
transmission area
----
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