Siemens SINUMERIK codes
Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

17210

Siemens 17210 - Block access to variable not possible

Block access to variable not possible

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 setup phase Control reaction: Correction block is reorganized. Interface signals are set. Alarm display.

Safety

  • Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.

Common Causes

  • 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 setup phase

Troubleshooting Steps

  1. 1Modify part program.
  2. 2Clear alarm with NC START or RESET key and continue the program

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