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3. POSITIONING SIGNALS
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(12) Optional slot module error detection flag (M2047) ............. Signal from PCPU
to SCPU
This flag is used to determine whether the status of modules mounted on the
main base unit and extension base units is "normal" or "abnormal".
• ON
............When mounted module is abnormal
• OFF ............When mounted module is normal
The module information when the power is switched ON and module
information after the power has been switched ON is always checked and
errors are detected.
(a) When M2047 comes ON, the ERROR LED of the A172SHCPUN or
A171SHCPUN lights.
(b) Use the sequence program to execute appropriate processing (stopping
the driven axis, establishing the servo OFF status) when an error occurs.
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