ABB TL1, 2CSM229921R1341 field acceptance and specification notes
ABB TL1, 2CSM229921R1341 selection begins with the exact device identity and its assigned function. The values in the following table are a starting point for checking the delivered unit, not a substitute for the nameplate.
Technical identification and decision points
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | TL1, 2CSM229921R1341 |
| Product family | TL1 |
| Component role | twilight switch for lighting control |
| Type | TL1 |
| ABB order code | 2CSM229921R1341 |
| Channels | 1 |
| Brightness setting | 2–200 lux |
| Sensor | External light sensor supplied in catalog package |
| Control function | Ambient-light switching with delay |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
Confirm ABB TL1, 2CSM229921R1341 against the current ABB documentation and the actual plant duty. A range or capability from another variant must not be assumed for this exact build.
Interface evidence
Before ABB TL1, 2CSM229921R1341 is ordered, compare sensor exposure, threshold, switching delay and contact loading. Capture the installed nameplate, a clear terminal photograph and the cabinet drawing revision.
A visual resemblance to ABB TL1, 2CSM229921R1341 is not proof of equivalent contacts, voltage, communication, release, connector orientation or certification.
Equipment duty and scope
ABB TL1, 2CSM229921R1341 is considered where the site needs to control lighting from measured ambient brightness. Record the asset tag, circuit or loop boundary, and reason for the change before specifying a replacement.
The ABB TL1, 2CSM229921R1341 procurement request should distinguish the physical device from any separate accessories, configuration files, protection devices and installation materials.
Work package
The ABB TL1, 2CSM229921R1341 work package needs isolation, access, disconnection and restoration steps approved for this plant. Preserve the original wiring marks and any usable settings backup.
During ABB TL1, 2CSM229921R1341 installation, verify adjacent equipment clearance and protective bonding without altering an approved design solely to fit a substitute.
Commissioning evidence
After fitting ABB TL1, 2CSM229921R1341, test day/night switching at the installed sensor. Use the site's approved safe test procedure and observe all connected interlocks and indications.
Log the ABB TL1, 2CSM229921R1341 serial or revision, test result, date, and witness. Restore normal operating mode only after the relevant process owner accepts the change.
Failure and mismatch review
If ABB TL1, 2CSM229921R1341 was requested after a fault, document the symptom and tests that separated component failure from wiring, supply, configuration or upstream protection problems.
If the delivered ABB TL1, 2CSM229921R1341 differs from the ordered complete designation, hold it for engineering comparison. Do not treat a family name as an interchangeability approval.
Purchasing handoff
Quote ABB TL1, 2CSM229921R1341 exactly and attach the current ABB reference alongside the equipment label. Ask the supplier to state any order-code, revision or accessory differences.
Keep a traceable ABB TL1, 2CSM229921R1341 comparison with the installed part and require written approval for alternatives that change electrical or control behavior.
Related configurations in this series
These TL1 references belong to the same product grouping as ABB TL1, 2CSM229921R1341, but ratings and included parts can differ. Match the entire designation before treating one as a replacement.
No other unassigned TL1 reference is grouped with ABB TL1, 2CSM229921R1341 in this release.
Acceptance record
For ABB TL1, 2CSM229921R1341, retain the final order code, supplied revision, installation findings and functional test evidence.
If ABB TL1, 2CSM229921R1341 is rejected or substituted, keep the reason and the approved disposition with the asset record.
