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MELSEC iQ-R Series

Flexible, interchangeable system architecture

The MELSEC iQ-R Series is a modular control system equipped with various modules such as CPUs, power supply, digital I/O, analog I/O and base unit and intelligent function modules, each having its own responsibility in the system. The core of the system is a base unit that interconnects all of the modules together and enables high-speed communications between each module. From small to large systems, scalability is simple. Up to seven extension bases can be connected and a maximum of 64 modules installed at any one time. An RQ extension base is also available, ensuring compatibility with existing MELSEC-Q Series modules.

Integrated safety control

The MELSEC iQ-R Series safety control system consists of a safety CPU that is compliant with international safety standards, ISO 13849-1 PL e and IEC 61508 SIL 3, and can execute both safety and general logic in the same CPU. The CPU module can be installed on a standard base unit and when paired with the safety function module enables control of safety I/O, realizing easy integration into an existing or new control system. Safety I/O such as an emergency stop switch or light curtain is controlled via CC-Link IE Field network, which is connected to the safety remote I/O module.

Highly scalable redundant control

The MELSEC iQ-R Series redundant control system is based on a dual-system architecture where all modules on a primary (control) system are duplicated onto a secondary (standby) system with a tracking cable connecting the systems together. Both systems are equipped with a process CPU module and redundant function module, with the former being able to execute standard logic and process control. Remote I/Os are controlled via the CC-Link IE Field network, and dedicated base units for supporting redundant power-supply modules are available in either standard or extended temperature models.

Highly accurate synchronization

The MELSEC iQ-R Series system provides highly accurate synchronization between modules on the control system, which is realized through inter-modular synchronization. Additionally, use of the CC-Link IE Field Network realizes network-level synchronization, providing node-level synchronization that ensures deterministic data flow void of any influence from data transmission delays. This is ideal for applications such as "cutting and folding" inside an offset printer, which requires synchronization between the printing quality sensor, high-speed rotary cutter, folding roller and conveyor.

Power supply module

Item R61P R62P R63P R64P R63RP NEW R64RP
Input power supply voltage 100...240 V AC
(85...264 V AC)
100...240 V AC
(85...264 V AC)
24 V DC
(15.6...31.2 A DC)
100...240 V AC
(85...264 V AC)
24 V DC
(19.2...31.2 A DC)
100...240 V AC
(85...264 V AC)
Input frequency 50/60 Hz ±5% 50/60 Hz ±5% 50/60 Hz ±5% 50/60 Hz ±5%
Max. input apparent power (VA) 130 120 160 160
Max. input power (W) 50 50
Rated output current (5 V DC) 6.5 A 3.5 6.5 A 9 6.5 A 9
Rated output current (24 V DC) 0.6
Redundant power supply

Main base unit (Standard, Extended temperature range)

Item Main base unit (Standard) Extended temp. range main base unit*2
R35B R38B R310RB R312B R310B-HT R38RB-HT
Number of I/O modules installed 5 8 10 12 10 8
DIN rail mounting adapter type R6DIN1 R6DIN1 R6DIN1 R6DIN1 R6DIN1 R6DIN1
External dimensions (H x W x D, mm) 101 x 245 x 32.5 101 x 328 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5

Extension base unit (Standard, Extended temperature range)

Item Extension base unit (Standard) Extended temp. range extension base unit*2
R65B R68B R610RB R612B R610B-HT R68RB-HT
Number of I/O modules installed 5 8 10 12 10 8
Applicable module MELSEC iQ-R Series module
DIN rail mounting adapter type R6DIN1 R6DIN1 R6DIN1 R6DIN1 R6DIN1 R6DIN1
External dimensions (H x W x D, mm) 101 x 245 x 32.5 101 x 328 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5 101 x 439 x 32.5

RQ extension base unit

Item RQ extension base unit
RQ65B RQ68B RQ612B
Number of I/O modules installed 5 8 12
Applicable module MELSEC-Q Series module
DIN rail mounting adapter type Q6DIN2 Q6DIN1 Q6DIN1
External dimensions (H x W x D, mm) 98 x 245 x 44.1 98 x 328 x 44.1 98 x 439 x 44.1

Extension cable

Item RC06B RC12B RC30B RC50B RC100B NEW
Cable length*3 (m) 0.6 1.2 3.0 5.0 10.0
*2: Enables standard MELSEC iQ-R Series modules to support extended operating ambient temperature of 0 to 60°C.
*3: Overall cable distance 20 m. 13.2 m with the RQ extension base.