Description
Introduction
The ABB DSM/S1.1 Diagnosis and Protection Module is a KNX System Components product for KNX (TP) installations. It is identified by ABB as Extended Product Type DSM/S 1.1, Product Type Test Device, Product ID 2CDG110060R0011, and Catalog Description DSM/S1.1 Diagnosis and Protection Module, MDRC.

Designed for DIN-rail mounting, the ABB DSM/S1.1 enables quick diagnostics of the KNX bus state and indicates telegram traffic via an LED. A bus fault condition, stated as U<Umin, is indicated by a changeover contact, while an incorporated suppressor diode suppresses transient overvoltages and interference voltage spikes on the KNX.
Key Features
- Brand and SKU: ABB DSM/S1.1.
- Extended Product Type: DSM/S 1.1.
- Product Type: Test Device.
- Compatible Bus Systems: KNX (TP).
- Mounting Type: DIN-Rail.
- Degree of Protection: IP20.
- Manual Operation: No.
- Number of Batteries: 0.
Benefits
- Supports fast KNX bus-state diagnostics by providing a dedicated diagnosis and protection function within the system components category.
- Indicates telegram traffic via an LED, helping consultants, installers, and integrators observe communication activity during commissioning or troubleshooting.
- Provides bus fault indication for U<Umin through a changeover contact, supporting clearer fault reporting in the installation design.
- Includes a suppressor diode that suppresses transient overvoltages and interference voltage spikes on the KNX.
- DIN-rail mounting supports integration into electrical distribution boards and KNX control panels where DIN-rail devices are specified.
- Clear ABB identification data, including Product ID 2CDG110060R0011 and EAN 4016779652056, helps buyers match the exact item against BOQs, quotations, and procurement records.
Technical Specifications
Applications
- KNX (TP) installations requiring a diagnosis and protection module for bus-state diagnostics.
- Electrical panels or KNX distribution boards where DIN-rail mounting is specified.
- Projects where telegram traffic indication via LED is required for commissioning, diagnostics, or service work.
- Installations where bus fault indication for U<Umin via a changeover contact is required in the documented design.
Installation Notes
- Verify that the project BOQ specifies ABB DSM/S1.1 and, where required, ABB Product ID 2CDG110060R0011 before ordering or installation.
- Install only in applications suitable for the stated Mounting Type: DIN-Rail, and consider the stated Degree of Protection: IP20 when selecting the enclosure or installation location.
- Use the manufacturer documentation references in the product data for submittals and installation verification: Instructions and Manuals 2CDG941023P0003 and Data Sheet, Technical Information 2CDC503027D0202.
- Confirm project requirements for KNX (TP), LED telegram traffic indication, U<Umin bus fault indication by changeover contact, and suppression of transient overvoltages and interference voltage spikes on the KNX before final approval.
Developer Resources
- Manufacturer URL: https://new.abb.com/products/en/2CDG110060R0011/dsm-s-1-1
- Product ID: 2CDG110060R0011.
- EAN: 4016779652056.
- Instructions and Manuals reference: 2CDG941023P0003.
- Data Sheet, Technical Information reference: 2CDC503027D0202.
- Declaration of Conformity – CE reference: 2CDK503035D2701.
- KNX Certificate reference: 9AKK105710A0033.
- ETIM 9 classification: EC001583 – Accessories/spare parts for bus system.
FAQ
What is the ABB DSM/S1.1 used for?
The ABB DSM/S1.1 is a Diagnosis and Protection Module for KNX (TP). It enables quick diagnostics of the bus state, indicates telegram traffic via an LED, indicates a bus fault condition U<Umin through a changeover contact, and incorporates a suppressor diode for transient overvoltages and interference voltage spikes on the KNX.
What is the exact ABB product identification for this item?
The product is identified as ABB DSM/S1.1, Extended Product Type DSM/S 1.1, Product ID 2CDG110060R0011, Display Name DSM/S 1.1, and EAN 4016779652056.
Is the ABB DSM/S1.1 suitable for KNX installations?
Yes. The product data lists Compatible Bus Systems as KNX (TP) and Product Range as KNX.
How is the ABB DSM/S1.1 mounted?
The product data lists the Mounting Type as DIN-Rail, and the catalog description identifies it as DSM/S1.1 Diagnosis and Protection Module, MDRC.
Does the ABB DSM/S1.1 require batteries or manual operation?
The product data lists Number of Batteries as 0 and Manual Operation as No.
What is the exact product model?
The order/model code for this page is DSM/S1.1. Match it against project documents before purchase.
Conclusion
The ABB DSM/S1.1 is a KNX (TP) Diagnosis and Protection Module for DIN-rail mounting, providing bus-state diagnostics, LED telegram traffic indication, U<Umin bus fault indication through a changeover contact, and suppression of transient overvoltages and interference voltage spikes on the KNX.
For accurate procurement, match ABB DSM/S1.1 with Product ID 2CDG110060R0011, confirm the required documentation references, and verify the item against the project BOQ before order placement.






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