Mitsubishi R08CPU MELSEC iQ-R Programmable Logic Controller 80K Steps

Mitsubishi Electric MELSEC iQ‑R series R08CPU is a standard programmable logic controller (PLC) CPU module for medium‑scale machine automation and process control systems. Program capacity 80K steps (320K bytes) with LD instruction execution time 0.98 ns. Built‑in Ethernet port (10/100 Mbps, RJ45), USB 2.0 (mini‑B) programming port, and SD memory card slot. Supports up to 4,096 local I/O points and 12,288 local + remote I/O points. Requires dedicated iQ‑R series power supply module (e.g., R61P, R64P). Backplane mounting. Designed for high‑speed processing, multi‑axis motion control, and data logging applications.

Applications:

• Medium‑scale machine automation and production line control

• Material handling and conveyor systems

• Packaging machinery and assembly lines

• Multi‑axis positioning and synchronized motion control

• Process monitoring and data acquisition

Technical Specifications:

Core Specifications

• Program capacity: 80K steps (320K bytes)

• Device/label memory: 1,188K bytes

• Data memory: 5 MB

• LD instruction execution time: 0.98 ns

• MOV instruction execution time: 1.96 ns

• Structured text (IF/CASE/FOR) instruction time: 1.96 ns

I/O & Interfaces

• Local I/O points: 4,096

• Local + remote I/O points: 12,288

• Built‑in Ethernet: 1 port, 10/100 Mbps (RJ45)

• Built‑in USB: 1 port (USB 2.0 mini‑B)

• SD memory card slot: SD/SDHC compatible (32 GB max.)

• Internal current consumption (5 V DC): 0.67 A

Physical & Environmental

• Height: 106 mm

• Width: 27.8 mm

• Depth: 110 mm

• Weight: 0.2 kg

• Operating temperature: 0 °C … 55 °C

• Mounting: Backplane (iQ‑R series base unit)

• Certifications: CE, UL/cUL, ABS, BV, DNV GL, LR, NK, RINA, UKCA

• RoHS compliant

System Integration:

• This CPU module belongs to the Mitsubishi Electric MELSEC iQ‑R series.

• Installs into iQ‑R series main base unit (R33B, R35B, R38B, R312B) slot 1.

• Requires an iQ‑R series power supply module (e.g., R61P for AC input, R63P for DC input).

• Built‑in Ethernet port supports SLMP, MELSOFT connection, socket communication, Modbus TCP, and CC‑Link IE Field Basic.

• Programming and configuration performed using GX Works3 engineering software.

• SD memory card slot supports data logging, program backup, and device data storage.

Related Products:

• R61P – Power supply module, 100‑240 V AC, 6.5 A at 5 V DC

• R64P – Power supply module, 100‑240 V AC, 9 A at 5 V DC

• R38B – Main base unit, 8 I/O slots

• R312B – Main base unit, 12 I/O slots

• RX40C7 – 16‑point DC input module (24 V DC, sink/source)

• RY40PT5 – 16‑point PNP transistor output module