Hardware Controllers Protocols Standards Concepts Manufacturers

Registry Alarm codes

0x1001 RTERR_BADTIMERPERIODS Invalid Timer Value

The timer value was not valid.

Source checked3/3 values · 2026-10-26

Specification

1 source

Code	0x1001
Meaning	The timer value is invalid.

Connected

1

ControllersBeckhoff TwinCAT 3 Runtime (XAR)

Machine-readable

GET /alarm/ads-0x1001.json
GET /alarm/ads-0x1001.md

// MCP
get_entry { "id": "ads-0x1001" }

Sources

ADS Return Codes
infosys.beckhoff.com · accessed 2026-10-26

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