Sinumerik Alarm 12584 Channel %1 block %2 variable %3 cannot be read synchronously with motion

Sinumerik Alarm 12584 Channel %1 block %2 variable %3 cannot be read synchronously with motion

Parameters:
%1 = Channel number
%2 = Block number, label
%3 = Source symbol

Definitions:
In motion synchronous actions on the left side of the compare operation, only special variables are allowed as input variables of SYNFCT and as input variables for PUTFTOCF. Motion synchronous access is possible here. Example:
PUTFTOCF(1, $AA_OVR, 2, 1, 2) The variable $AA_OVR is not allowed here.

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

Remedy:
Modify part program. For the functions SYNFCT and PUTFTOCF only certain variables are allowed, for example $AC_DTGPW.

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