Sinumerik Alarm 17210 Channel %1 block %2 access to variable not possible

Sinumerik Alarm 17210 Channel %1 block %2 access to variable not possible

Parameters:
%1 = Channel number
%2 = Block number, label

Definitions:
The variable cannot be written/read directly from the part program. It is allowed only in motion synchronous actions. Example for variable: $P_ACTID (which planes are active) $AA_DTEPB (axial distance-to-go for reciprocating infeed) $A_IN (test input) Safety Integrated: Safety PLC system variables can only be read during the safety SPL startup phase.

Reactions:
– Alarm display.
– Interface signals are set.
– Correction block is reorganized.

Remedy:
Modify part program.

Program Continuation:
Clear alarm with NC START or RESET key and continue the program.