Description
Introduction
The ABB RM/S2.1 Room Master, Premium, MDRC is a KNX actuator device for controlling apartment ranges with bath, typically in hotels and small apartments. It is listed under KNX Actuators and is identified by SKU RM/S2.1, Extended Product Type RM/S2.1, Product ID 2CDG110095R0011, and EAN 4016779665674.
This preconfigured room master combines 18 input channels, 21 outputs, 1 shutter output, 3 fan outputs, and 2×2 electronic outputs for valve drives. It is part of the ABB KNX product range, supports KNX (TP), provides manual operation, has degree of protection IP20, and uses VD3-File or higher.
Key Features
- Brand: ABB.
- SKU and display name: RM/S2.1.
- Product ID: 2CDG110095R0011.
- Catalog description: RM/S2.1 Room Master, Premium, MDRC.
- Compatible bus system: KNX (TP).
- Number of outputs: 21, including 1 shutter output, 3 fan outputs, and 2×2 electronic outputs for valve drives.
- Number of input channels: 18, with input specification shown as Analog 0 … 10 V / 4 … 20 mA.
- Degree of protection: IP20.
Benefits
- Supports consolidated room control for apartment ranges with bath, especially in hotel rooms and small apartments.
- Provides 18 analog inputs specified as 0 … 10 V / 4 … 20 mA and 18 input channels for project designs that match these requirements.
- Includes 21 outputs, with stated functions for shutter, fan, and valve-drive applications.
- Preconfigured device data can support repeatable specification where the ABB RM/S2.1 is already defined in the project documentation.
- Manual operation is available, which is a documented feature of the device.
- No batteries are required, as the product data states Number of Batteries: 0.
Technical Specifications
Applications
- Hotel apartment-range control where the BOQ specifies ABB RM/S2.1 Room Master, Premium, MDRC.
- Small apartment control applications with bath, as stated in the product description.
- KNX TP projects requiring the documented combination of 18 input channels and 21 outputs.
- Room-control designs that require the stated shutter, fan, and valve-drive output functions.
Installation Notes
- Verify the exact model RM/S2.1, Product ID 2CDG110095R0011, and EAN 4016779665674 against the BOQ before ordering.
- Use the ABB instructions and manuals reference 2CDG941055P0004 and the manufacturer product page for project documentation checks.
- Confirm that the project design is suitable for a KNX (TP) device with degree of protection IP20.
- The product data states that only VD3-File or higher exists; verify engineering file requirements before commissioning.
Developer Resources
- Manufacturer product URL: https://new.abb.com/products/en/2CDG110095R0011/rm-s-2-1.
- Instructions and Manuals reference: 2CDG941055P0004.
- Declaration of Conformity – CE reference: 2CDK514013D2701.
- EPLAN Data reference: 9AAC189159_EPLAN.
- Product Range: KNX.
- Compatible Bus Systems: KNX (TP).
FAQ
What is the ABB RM/S2.1 used for?
The ABB RM/S2.1 Room Master, Premium, MDRC is used to control apartment ranges with bath, typically in hotels and small apartments. For dealer and project support, visit KNX dealer program.
How many inputs and outputs does the RM/S2.1 provide?
The product data lists 18 input channels and 21 outputs. The description also states 1 shutter output, 3 fan outputs, and 2×2 electronic outputs for valve drives.
Which bus system is supported by ABB RM/S2.1?
The compatible bus system listed for the ABB RM/S2.1 is KNX (TP).
Is the ABB RM/S2.1 preconfigured?
Yes. The long description states that the device is preconfigured.
Which identifiers should be checked before ordering?
Check SKU RM/S2.1, Product ID 2CDG110095R0011, Extended Product Type RM/S2.1, Display Name RM/S2.1, and EAN 4016779665674 against the project BOQ and official product documentation.
What is the exact product model?
The order/model code for this page is RM/S2.1. Match it against project documents before purchase.
Conclusion
The ABB RM/S2.1 Room Master, Premium, MDRC is a KNX TP room-control device for hotel and small-apartment applications, with documented 18 input channels, 21 outputs, shutter, fan, and valve-drive output functions.
For accurate B2B procurement, verify RM/S2.1, Product ID 2CDG110095R0011, EAN 4016779665674, IP20 rating, KNX TP compatibility, and VD3-File or higher requirement against the official ABB data and project BOQ.
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