iQ-R Series Base Unit

Caution
- The product images are representative only. Please refer to the catalog for details of the shape.
- The status of compliance with RoHS 10 substances and CE is being confirmed sequentially. Please check the latest applicable status from the basic information and part number list on each product page.
Product Description
Base unit for MELSEC iQ-R Series.
[Features]
· Supports installation of various units for the iQ-R Series
· Number of input/output units that can be installed: 3 pcs., 5 pcs., 8 pcs., 10 pcs., 12 pcs.
[Applications]
· As a base unit
Base Unit iQ-R Series Specifications

R35B dimensional outline drawing
- Number of input/output units equipped: 5
- 5 V DC internal current consumption: 0.58 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.41 kg

R38B dimensional outline drawing
- Number of input/output units equipped: 8
- 5 V DC internal current consumption: 0.71 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.55 kg

R38RB-HT dimensional outline drawing
- Number of input/output units equipped: 8
- 5 V DC internal current consumption: 0.86 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.72 kg

R68RB-HT dimensional outline drawing
- Number of input/output units equipped: 8
- 5 V DC internal current consumption: 0.93 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.72 kg

R310RB dimensional outline drawing
- Number of input/output units equipped: 10
- 5 V DC internal current consumption: 0.91 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.73 kg

Expansion Cable RC12B dimensional outline drawing
- RC06B: 0.6 m
- RC12B: 1.2 m
- RC30B: 3.0 m
- RC50B: 5.0 m
- RC100B: 10.0 m
*Total extension distance: 20 m. 13.2 m if the RQ Expansion Base Unit is used.

R610RB dimensional outline drawing
- Number Of Input/Output Units Equipped: 10
- 5 V DC internal current consumption: 0.97 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.73 kg

RQ612B dimensional outline drawing
- Number of input/output units equipped: 12
- 5 V DC internal current consumption: 0.32 A
- Mounting hole size: M4 screw hole or ø4.5 (4.5 mm in diameter) hole (for M4 screw)
- Mass: 0.55 kg
Basic Base Unit, High Temperature-Compatible Basic Base Unit
| Item | Basic Base Unit | High Temperature-Compatible Basic Base Unit*1 | ||||
|---|---|---|---|---|---|---|
| R35B | R38B | R310RB | R312B | R310B-HT | R38RB-HT | |
| Number Of Input/Output Units Equipped | 5 | 8 | 10 | 12 | 10 | 8 |
| DIN Rail Mounting Adapter Type Name | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 |
| External Dimensions (H) × (W) × (D) [mm] | 101 × 245 × 32.5 | 101 × 328 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 |
Expansion Base Unit, High Temperature-Compatible Expansion Base Unit
| Item | Expansion Base Unit | High Temperature-Compatible Expansion Base Unit*1 | ||||
|---|---|---|---|---|---|---|
| R65B | R68B | R610RB | R612B | R610B-HT | R68RB-HT | |
| Number Of Input/Output Units Equipped | 5 | 8 | 10 | 12 | 10 | 8 |
| Installable Units | MELSEC iQ-R Series Unit | |||||
| DIN Rail Mounting Adapter Type Name | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 | R6DIN1 |
| External Dimensions (H) × (W) × (D) [mm] | 101 × 245 × 32.5 | 101 × 328 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 | 101 × 439 × 32.5 |
RQ Expansion Base Unit
| Item | RQ Expansion Base Unit | ||
|---|---|---|---|
| RQ65B | RQ68B | RQ612B | |
| Number Of Input/Output Units Equipped | 5 | 8 | 12 |
| Installable Units | MELSEC-Q Series Unit | ||
| DIN Rail Mounting Adapter Type Name | Q6DIN2 | Q6DIN1 | Q6DIN1 |
| External Dimensions (H) × (W) × (D) [mm] | 98 × 245 × 44.1 | 98 × 328 × 44.1 | 98 × 439 × 44.1 |
- *1. Each unit installed on the high temperature-compatible base unit can be used at ambient temperatures of 0 to 60°C.
* See the catalog for the outline drawings, specifications, etc., of other model numbers.