Redundant Cpu - Mitsubishi Q00JCPU User Manual

2
PERFORMANCE SPECIFICATION

2.4 Redundant CPU

Item
Control method
I/O control mode
Sequence control
language
Program language
Process control
language
Processing speed LD X0
MOV D0 D1
(sequence instruction)
Tracking execution
Processing speed
time (extended scan
(redundant function)
time)
Constant scan
(Function for keeping regular scan time)
*1, *2
Program capacity
Program memory
(drive 0)
Memory card (RAM)
(drive 1)
Memory card (ROM)
(drive 2)
Standard RAM
*1
Memory capacity
(drive 3)
Standard ROM
(drive 4)
CPU shared
memory
*1 : The unit of the file size stored in the memory area varies depending on the CPU module. For the details, refer to the manual below.
Section 5.4.4
*2 : The maximum number of executable sequence steps is as shown below.(Program capacity) - (File header size (default: 34 steps))
For the details, refer to the manual below.
Refer to CHAPTER 5 for details of the program capacity and file.
2
- 12 2.4 Redundant CPU
Table2.4 Performance Specifications
Q12PRHCPU
Sequence program control method
(Direct access I/O is available by specifying direct access I/O (DX , DY ))
Refresh mode (Programming by PX Developer)
Relay symbol language, logic symbolic language, MELSAP3 (SFC),
MELSAP-L, function block and structured text (ST)
Device memory 48k words: 10ms, Device memory 100k words: 15ms
( QnPRHCPU User's Manual (Redundant System))
0.5 to 2000ms (Setting available in 0.5ms unit.) (Setting by parameters)
124k steps
(496 bytes)
496k bytes
Capacity of the installed memory card (2M bytes max.)
Capacity of the installed memory card
(Flash card: 4M bytes max., ATA card: 32M bytes max.)
Capacity of the installed memory card (2M bytes max.)
496k bytes
Redundant CPU
Q25PRHCPU
FBD for process control
34ns
102ns
----
252k steps
(1008 bytes)
1008k bytes
1008k bytes