Q03UDECPU, UNIVERSAL MODEL QCPU. Program Memory, 30K. Program Memory Unit, STEPS. Local I/O Points, 4096

Mitsubishi Electric

CPU unit

MELSEC-Q Series (QnU)

Universal Programmable Logic Controller (PLC) CPU unit
I/O control system — Refresh system
Program execution type — Stored-program cyclic operation

5Vdc (from dedicated Q-series P.S.U.)

30Ksteps / 120KBytes (Program)
2048 points (Timers)
1024 points (Counters)
12288 points (Data registers)
8192 points (Internal relays)
8192 points (Latch relays)
8192 points (Link relays)
8192 points (Link register)
2048 points (Annunciator)
2048 points (Edge relays)
2048 points (Link special relays)
2048 points (Link special register)
98304 points (File register)
8192 points (Step relays)
20 points (Index register / standard device register)
10 points (32-bit ZR indexing)
4096 points (Pointer)
256 points (Interrupt pointer)
2048 points (Special relays)
16 points (Function input FX)
16 points (Function input FY)
5 points (Function register FD)

4096 x I/O points

USB connector
RJ45 port (10/100Mbit Ethernet)

Ethernet

Backplane / rack

0…+55 °C

-25…+75 °C

Ladder diagram (LD) / Relay symbol language
Structured Text (ST)
Logic symbolic language
Function Block Diagram (FBD)
MELSAP3 (SFC)
MELSAP-L

0.02μs / instruction (LD instruction) – 0.00002 ms
0.04μs / instruction (MOV instruction) – 0.000040 ms
28μs / instruction (PC MIX value) – 0.028 ms
0.12μs (Floating point addition) – 0.000120 ms

Commercialized

SRAM card
Flash card
ATA card

(Constant scan) 0.5-2000ms / 0.0005-2 s