User`s manual
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2 SYSTEM CONFIGURATION
(b) Motion SFC performance specifications
Item Q173DCPU/Q172DCPU
Code total
(Motion SFC chart + Operation control
+ Transition)
543k bytes
Motion SFC program capacity
Text total
(Operation control + Transition)
484k bytes
Number of Motion SFC programs 256 (No.0 to 255)
Motion SFC chart size/program Up to 64k bytes (Included Motion SFC chart comments)
Number of Motion SFC steps/program Up to 4094 steps
Number of selective branches/branch 255
Number of parallel branches/branch 255
Motion SFC program
Parallel branch nesting Up to 4 levels
Number of operation control programs
4096 with F(Once execution type) and FS(Scan execution type)
combined. (F/FS0 to F/FS4095)
Number of transition programs 4096(G0 to G4095)
Code size/program Up to approx. 64k bytes (32766 steps)
Number of blocks(line)/program Up to 8192 blocks (in the case of 4 steps(min)/blocks)
Number of characters/block Up to 128 (comment included)
Number of operand/block Up to 64 (operand: constants, word device, bit devices)
( ) nesting/block Up to 32 levels
Operation control program Calculation expression/bit conditional expression
Operation control program
(F/FS)
/
Transition program
(G)
Descriptive
expression
Transition program
Calculation expression/bit conditional expression/
comparison conditional expression
Number of multi execute programs Up to 256
Number of multi active steps Up to 256 steps/all programs
Normal task Execute in main cycle of Motion CPU
Fixed cycle
Execute in fixed cycle
(0.88ms, 1.77ms, 3.55ms, 7.11ms, 14.2ms)
External
interrupt
Execute when input ON is set among interrupt module QI60
(16 points).
Event task
(Execution
can be
masked.)
PLC interrupt Execute with interrupt instruction (D(P).GINT) from PLC CPU.
Execute specification
Executed
task
NMI task
Execute when input ON is set among interrupt module QI60
(16 points).
(7) Selection of Q172DEX, Q173DPX
Synchronous encoder
Item
Serial absolute Incremental
Manual pulse generator
Q173DCPU 12 modules
Q172DCPU 8 modules
3 modules
Module selection Q172DEX Q173DPX