Mitsubishi Q170MCPU User Manual page 26

1 OVERVIEW
Item
PLC CPU area
Control method
I/O control mode
Sequence control language
Processing speed
(sequence instruction)
Total number of instructions
Operation (floating point operation) instruction
Character string processing instruction
PID instruction
Special function instruction (Trigonometric function,
square root, exponential operation, etc.)
Constant scan
Program capacity
CPU shared memory
No. of I/O device points (X/Y)
No. of I/O points (X/Y)
Internal relay (M)
Latch relay (L)
Link relay (B)
Timer (T)
Retentive timer (ST)
Counter (C)
Data register (D)
Link register (W)
Annunciator (F)
Edge relay (V)
Link special relay (SB)
Link special register (SW)
File register (R, ZR)
Step relay (S)
Index register/Standard devise register (Z)
Index register (Z)
(32-bit modification specification of ZR device)
Pointer (P)
Interrupt pointer (I)
Special relay (SM)
Special register (SD)
Function input (FX)
Function output (FY)
Function register (FD)
Local device
Device initial values
(5) Comparison of PLC CPU area control and performance
LD instruction
MOV instruction
PC MIX value (instruction/μs)
Floating point addition
QCPU standard memory
Multiple CPU high speed
transmission area
Points by default
(changeable by parameters)
Q170MCPU
Q03UDCPU or equivalent (20k steps)
Sequence program control method
Relay symbol language (ladder), logic symbolic language (list),
MELSAP3 (SFC), MELSAP-L, Structured text (ST)
0.02 μs
0.04 μs
28
0.12 μs
0.5 to 2000ms (Setting available in 0.5ms unit.)
20k steps
512 points
98304 points
Up to 10 points (Z0 to Z18)
(Index register (Z) is used in double words.)
1 - 7
Q173DCPU/Q172DCPU
QnUD(E)(H)CPU
Refresh mode
0.0095 to 0.02 μs
0.019 to 0.04 μs
28 to 60
0.057 to 0.12 μs
858
Yes
Yes
Yes
Yes
30k to 260k steps
8k bytes
32k bytes
8192 points
4096 points
8192 points
8192 points
8192 points
2048 points
0 points
1024 points
12288 points
8192 points
2048 points
2048 points
2048 points
2048 points
98304 to 655360 points
8192 points
20 points
4096 points
256 points
2048 points
2048 points
16 points
16 points
5 points
Yes
Yes