| 摘要 |
A production line control system (10) comprising a support personnel call device (PB1, PB2, PB3, PB4) for a worker (M1, M2, M3, M4) to call for support personnel (H1, H2); a time-counting device (12) for operating when a call signal (I1, I2, I3, I4) is obtained; and a central control (13) for generating a line-stopping signal (L) when an elapsed time (Tact) of the time-counting device exceeds a predetermined control time (Tm).
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