R911190162 REXROTH

1715-OF8I
1715-A2A
1715-AENTR
A06B-1511-B153
3500/42M
3500/50M
H-4050-P-H00AX
MDX61B0015-5A3-4-0T
2711-B5A2
5136-PFB-104

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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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