Primary brand

Mitsubishi Electric

Main function

CPU unit

Product series / family name

Industrial automation > PLCs (Programmable Logic Controllers) > MELSEC-Q (QnU) series > Controllers (CPUs)

Sub-range name

MELSEC-Q QnU series

Functions

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

Supply voltage (DC)

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

Programming languages

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

Memory capacity

30Ksteps / 120KBytes (Program)
2048 points (Timers)
1024 points (Counters)
13312 points (Data registers)
9216 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 registers)
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)

Connection capacity

4096 x I/O points

Connection type

USB connector
RJ45 port (10/100Mbit Ethernet)

Communication protocol

Ethernet

Mounting mode

Backplane / rack

Ambient air temperature for operation

+32°F...+131°F / 0°C...+55 °C

Ambient air temperature for storage

-13°F...+167°F / -25°C...+75 °C

Processing time

1.9ns / instruction (LD instruction) - 0.0000019 ms
3.9ns / instruction (MOV instruction) - 0.0000039 ms
227μs / instruction (PC MIX value) - 0.227 ms
14ns (Floating point addition) - 0.000014 ms

Order code / Manufacturer SKU

Q03UDVCPU

Manufacturer product status

Commercialized

Storage type

SD / SDHC memory card
Extended SRAM cassette

Refreshing time

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