Mitsubishi MELSEC-Q QD77MS, Руководство пользователя

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14 - 11
Chapter 14 Common Functions
[2] Precautions on parameter setting
(1) The external I/O signal logic switching parameters are validated when the
PLC READY signal [Y0] is turned OFF to ON. (The logic is negative right
after power-on.)
(2) If each signal logic is set erroneously, the operation may not be carried out
correctly.
Before setting, check the specifications of the equipment to be used.
(3) When the same external input signal is set to use to the multiple axes in
"
Pr.80
External input signal selection
" or "
Pr.95
External command signal selection
"
in the QD77MS16, "Input signal logic selection" of those axes should be the
same. Otherwise, "Input signal logic selection error" (error code: 938) occurs
when the PLC READY signal [Y0] is turned ON, and the QD77 READY signal
[X0] will not be turned ON.