Specifications

4
QnA Series CPUs
■ Specifications of QnA/Q4ARCPU
Item Q4ARCPU Q4ACPU Q3ACPU Q2ACPU-S1 Q2ACPU
Control method Repeated operation using stored programs
I/O control method Refresh (direct access command provided)
Program language List. Ladder, SFC
Max. I/O capacity
Local I/O 4096 2048 1024 512
Incl. remote 8192
Program size
Capacity 124 92 60 28
No. of modules 124 92 60 28
No. of commands additional 47 Sequence: 39, Other: 722
Processing speed
LD (µs) 0.075 0.15 0.20 0.20
MOV (µs) 0.225 0.45 0.60 0.60
Total Total approx. 30k words (Each device range listed below can be changed)
X: 8k (Input) F: 2k (Annunicator)
Y: 8k (Output) B: 8k (Link relay)
Bit devices M: 8k (Internal relay) V: 2k (Edge relay)
L: 8k (Latch relay) SM: 2k (Special relay)
S: 8k (Step relay) SB: 2k (Special link relay)
T: 2k (Timer)
St: 0k in default (retentive timer)
Timers counters
C: 1k in default (counter)
Size of fast/slow timers are assigned in the parameter
Fast timers: Timer unit range 1 to 100ms, Slow timers: Time unit range 10 to 1000ms
Up to 48 interrupt counters can be assigned among 1k total counters
D: 12k (Data register)
Word devices
W: 8k (Link register)
SD: 2k (Special register)
SW: 2k (Special link register)
File register 1,018k words
Pointers (point)
P: 4k (Program pointer)
I: 48 (Interrupt pointer)
Index register (point) 16
FX: 16 (Subroutine input)
Devices for subroutine call
FY: 16 (Subroutine output)
with arguments
FD: 5 (Subroutine register)
Type of value 16 bit integer, 32 bit integer, Single accuracy real, Character strings
IC memory card
Capacity Max. 2036k bytes×2 cards
No. of files Max. 256
Data Year, Month, Date, Hour, Minute, Second, Day
Real time clock
−2.3 to +4.4 sec (typ+1.8 sec) @ 0°C
Accuracy −1.1 to +4.4 sec (typ+2.2 sec) @ 25°C
−9.6 to +2.7 sec (typ+2.4 sec) @ 25°C
5VDC consumption (A) 1.4 0.6 0.3
Device memory
(point)
RyansElectric.com