Model name	MELSEC iQ-R series		MELSEC-Q series
Model name	C controller (standard model) R12CCPU-V	C language intelligent function unit RD55UP06-V	C language controller (standard model) Q12DCCPU-V	C language controller (high-end model) Q24DHCCPU-V	C controller (without OS) Q24DHCCPU-LS / Q26DHCCPU-LS
Hardware specifications
Endian format	Little endian		Little endian
MPU	Arm ® Cortex ® -A9 DualCore		SH4-A	For user program execution: Intel Atom ® Processor For system control: SH-4A	For user program execution: Intel Atom ® Processor For system control: SH-4A
Work RAM	256MB	128MB	128MB	512MB	512MB / 1GB
Standard ROM	16MB	12MB	12MB ^{* 1}	382MB	－
Built-in SSD	－	－	－	－	512MB / 8GB (including OS)
Backup RAM	4MB	－	512KB ^{* 2}	Up to 5MB ( 5MB in total with standard RAM) ^{* 3}	5MB
Software specifications
OS	VxWorks ® 6.9 ^{* 4} (pre-installed)		VxWorks ® 6.4 ^{* 4} (pre-installed at the time of shipment)	VxWorks ® 6.8.1 ^{* 4} (included at the time of shipment)	Lineo uLinux ^{* 5} : kernel2.6.35, eT-Kernel / compact ^{* 6 * 7} (not shipped)
Programming language	C language (C / C ++)		C language (C / C ++)	C language (C / C ++)	C language (C / C ++) script language (Ruby, PHP, Perl, Python) ^{* 8}
Program development environment	CW Workbench (SW1DND-CWWR-E / EZ / EVZ) / Wind River ® Workbench 3.3 ^{* 4}		CW Workbench (SW1DND-CWWLQ12-E / EZ / EVZ) / Wind River ® Workbench 2.6.1 ^{* 4}	CW Workbench (SW1DND-CWWLQ24-E / EZ / EVZ) / Wind River ® Workbench 3.2 ^{* 4}	Lineo uLinux ELITE ^{* 5} / eBinder ® ^{* 6 * 7}
Setting and monitoring tool	CW Configurator (SW1DND-RCCPU-J)	GX Works3 ^{* 9} (SW1DND-GXW3-J)	Basic function mode: SW3PVC-CCPU-J Function expansion mode: SW4PVC-CCPU-J	SW4PVC-CCPU-J
Peripheral device connection port
Ethernet ^{* 10}	2CH (10BASE-T / 100BASE-TX / 1000BASE-T)	1CH (10BASE-T / 100BASE-TX / 1000BASE-T)	2CH (10BASE-T / 100BASE-TX)	User Ethernet port: 2CH (10BASE-T / 100BASE-TX / 1000BASE-T) System Ethernet port: 1CH (10BASE-T / 100BASE-TX)
Memory card	SD memory card (1 slot)		Compact flash card (1 slot) ^{* 11}	SD memory card (1 slot)
Display interface	－		－	－	Analog RGB D-Sub15pin

* 1. Specifications when the function expansion mode is used. The function extension mode is available for products with the first five digits of the serial number 15102 or later.
* 2. 128KB if the first five digits of the serial number are before "12041", 512KB to 3,584KB if the first five digits after "15102".
* 3. For the standard RAM (1 to 4 MB), specify the memory capacity with parameters in the battery backup RAM.
* 4. VxWorks ® 6.9, VxWorks ® 6.8.1, VxWorks ® 6.4, Wind River ® Workbench 3.3, Wind River ® Workbench 3.2 and Wind River ® Workbench 2.6.1 are products of Wind River Systems, USA.
For issues and specifications of Wind River Systems, Inc., please refer to the manual of Wind River Systems, Inc., or contact Wind River Japan.
For inquiries about Wind River Co., Ltd., please refer to the following website address.
http://www.windriver.com/japan/
* 5. Purchased separately from Lineo Solutions Inc.
* 6. Purchased separately from eSOL Co., Ltd.
* 7. Q26DHCCPU-LS is not supported.
* 8. When using Lineo uLinux. The programming language depends on the specifications of the partner OS used.
* 9. Unit setting and monitoring can be performed from the engineering software GX Works3.
* 10. For the number of connectable stages when using a switching hub, contact the manufacturer of the switching hub to be used.
* 11. Usable card size is TYPE I card. TYPE II cards cannot be used. I / O cards such as modem cards cannot be used.