第二,在系统控制层上,为了保证行李系统更加稳定和可靠。我们选择了冗余系统。但从成本考虑和工程量、程序量的大小以及机场对PLC冗余切换时间要求不高等因素考虑,最终我们选用了西门子PLC软冗余的方式,即在本系统每组控制组中都采用两个S7 317-2DP控制器并选用CP342-5通过DP口组成软冗余系统。
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1756-HSC模块
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ABB 3HAA3563-AAA DSQC248 Programming board
ABB 3HAA3563-AGA DSQC249A Rectifier
ABB 3HAA3563-AHA DSQC249B Rectifier
ABB 3HAA3563-AD DSQC252
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ABB 3HAB4259-1 DSQC313
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ABB 3HAB2214-1 DSQC315
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ABB 3HAB2209-1 DSQC317
ABB 3HAB2233-1 DSQC322
ABB 3HAB5956-1 DSQC323
ABB 3HAB5957-1 DSQC324
ABB 3HAB2241-1 DSQC325
ABB 3HAB2242-1 DSQC326
ABB 3HAB7230-1 DSQC327
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