R911190193 REXROTH

PQMII-A
1746-NR8
MDX61B0030-5A3-4-00
SH100/40080/0/1/00/00/00/00/00
SH100/40080/0/1/00/00/00/11/00
SR 469-P1-HI-A20-T-H
6AV6644-0AA01-2AX0
3HAC029032-004

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描述

对于小的系统,如80点以内的系统.一般不需要扩展;当系统较大时,就要扩展。不同公司的产品,对系统总点数及扩展模块的数量都有限制,当扩展仍不能满足要求时,可采用网络结构;同时,有些厂家产品的个别指令不支持扩展模块,因此,在进行软件编制时要注意。当采用温度等模拟模块时

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