26

F-Block_ID Not Supported (V2 CPU)

ABB · PB610 Panel Builder 600 Programming Software

What does 26 mean?

Parameter "F_Block_ID" is invalid or not supported in this configuration for an AC500 V2 non-safety CPU PM5xx. This indicates a mismatch in the identifier for the safety function block.

Common Causes

  • The specific F-Block_ID requested is not implemented or supported by the V2 CPU.
  • Attempting to use an unsupported safety function block.
  • Firmware incompatibility between the V2 CPU and the safety device.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the safety PLC configuration for the "F_Block_ID" parameter.

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Verified technical data. Last updated: March 2026

Related Faults

1Safety Destination Address Not Valid (V2 CPU)10Parameter F_SIL Exceeds Specific Application SIL (V2 CPU)11Safety Watchdog Time Zero (V2 CPU)
Source: ABB PB610 Panel Builder 600 Programming Software
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ABB 26 — Fixing: F-Block_ID Not Supported (V2 CPU) Technica… | ErrorLib