Mitsubishi Electric Q26UD(E)HCPU User Manual page 172

(3) Q20UD(E)HCPU, Q26UD(E)HCPU, Q50UDEHCPU, Q100UDEHCPU
Item
Control method
I/O control mode
Sequence control language
Program
language
Process control language
Processing
LD X0
speed
(sequence
MOV D0 D1
instruction)
Processing
speed Tracking execution time
(redundant (increased scan time)
function)
Constant scan
(Function for keeping regular scan time)
*1, *2
Program size
Program memory (drive 0)
Memory card (RAM) (drive 1)
Memory card (ROM) (drive 2)
Standard RAM (drive 3)
Memory
Standard ROM (drive 4)
*1
size
CPU shared
*3
memory
*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)
170
Q20UDHCPU
Q20UDEHCPU
Refresh mode (Direct access I/O is available by specifying direct access I/O (DX, DY).)
0.5 to 2000ms (Setting available in 0.5ms unit) (Setting by parameters)
200K steps
(800K bytes)
800K bytes
Size of the installed memory card (Flash card: 4M bytes max., ATA card: 32M bytes max.)
Multiple CPU
high speed
transmission
area
Universal model QCPU
Q26UDHCPU
Q26UDEHCPU
Stored program cyclic operation
Relay symbol language, logic symbolic language, MELSAP3 (SFC),
MELSAP-L, function block and structured text (ST)
260K steps
(1040K bytes)
1040K bytes
Size of the installed memory card (8M bytes max.)
1280K bytes
4096K steps
32K bytes
Q50UDEHCPU
----
9.5ns
19ns
----
500K steps
(2000K bytes)
2000K bytes
1536K bytes
8192K bytes
8K bytes
Q100UDEHCPU
1000K steps
(4000K bytes)
4000K bytes
1792K bytes
16384K bytes