R911297804 REXROTH

3703E. TRIC0NEX
4118. TRIC0NEX
4500 TRICONEX
MVME188A MOTOROLA
MVME162-13 MOTOROLA
MYME162-522A01-W3960B/61C Motorola
MVMB2604712I/0 MOTOROLA
XVME-674 MOTOROLA
DS200AAHAG2A GE
DS200CPCAG1A GE
DS200DCVAG1A GE

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描述

I/O继电器,或称映射区。它与PLC所能控制的I/O点数及模拟量的路数直接相关。内部继电器数,有的称为标志位数,代表着PLC的内部继电器数。它与I/O继电器区相联系着,有时与后者相联系进行处理。内部继电器多,便于PLC建立复杂的时序关系,以实现多种多样的控制要求。一般讲,内部继电器数比I/O继电器要多得多。

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