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公开(公告)号:EP0365673A4
公开(公告)日:1992-11-04
申请号:EP89906514
申请日:1989-04-11
申请人: SQUARE D COMPANY
IPC分类号: G06F15/167 , G05B19/05 , G06F15/46 , G06F15/16
CPC分类号: G05B19/052 , G05B2219/1132 , G05B2219/1159 , G05B2219/1208
摘要: A communication network for programmable logic controllers (PLCs) wherein selected memory means (16) of each PLC have at least two ports directly accessible by other PLCs and certain registers of the PLCs are identical to enable efficient, high-speed transfer (30) of block of data between the PLCs.
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公开(公告)号:EP0400091A4
公开(公告)日:1993-03-03
申请号:EP89904419
申请日:1989-04-11
申请人: SQUARE D COMPANY
IPC分类号: G06F15/16 , G05B19/05 , G06F15/177 , G05B11/01 , G05B19/02
CPC分类号: G05B19/052
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