Mitsubishi Electric Melsec-Q172DCPU User Manual page 70

2 SYSTEM CONFIGURATION
Item
Code total (Motion SFC chart +
Motion SFC
Operation control + Transition)
program
capacity
Text total (Operation control + Transition)
Number of Motion SFC programs
Motion SFC chart size/program
Number of Motion SFC steps/program
Motion SFC
program
Number of selective branches/branch
Number of parallel branches/branch
Parallel branch nesting
Number of operation control programs
Number of transition programs
Operation
Code size/program
control
Number of blocks(line)/program
program
Number of characters/block
(F/FS)
Number of operand/block
/
( ) nesting/block
Transition
program
(G)
Descriptive
expression
Number of multi execute programs
Number of multi active steps
Execute
specification
Executed
task
Number of I/O points (X/Y)
Number of real I/O points (PX/PY)
(b) Motion SFC performance specifications
Operation control program
Transition program
Normal task
Fixed cycle
Event task
(Execution
can be External
masked.) interrupt
PLC interrupt
NMI task
Q173DSCPU/Q172DSCPU
652k bytes
668k bytes
Up to 64k bytes (Included Motion SFC chart comments)
4096 with F(Once execution type) and FS(Scan execution type) combined.
Up to approx. 64k bytes (32766 steps)
Up to 8192 blocks (in the case of 4 steps(min)/blocks)
Up to 128 (comment included)
Up to 64 (operand: constants, word device, bit devices)
Calculation expression,
bit conditional expression,
branch/repetition processing
Calculation expression/bit conditional expression/
comparison conditional expression
Up to 256 steps/all programs
Execute in main cycle of Motion CPU
Execute in fixed cycle
(0.22ms, 0.44ms, 0.88ms, 1.77ms,
3.55ms, 7.11ms, 14.2ms)
Executes when the input set to the event task factor in the input module
controlled by the Motion CPU (16 points) turns ON.
Execute with interrupt instruction (D(P).GINT) from PLC CPU.
Executes when the input set to the NMI task factor in the input module
controlled by the Motion CPU (16 points) turns ON.
256 points
(Built-in interface in Motion CPU (Input
4 points) + I/O module + Intelligent
function module)
2 - 37
Q173DCPU(-S1)/Q172DCPU(-S1)
543k bytes
484k bytes
256 (No.0 to 255)
Up to 4094 steps
255
255
Up to 4 levels
(F/FS0 to F/FS4095)
4096(G0 to G4095)
Up to 32 levels
Calculation expression,
bit conditional expression
Up to 256
Execute in fixed cycle
(0.44ms, 0.88ms, 1.77ms, 3.55ms,
7.11ms, 14.2ms)
8192 points
256 points
(I/O module)