DS215DMCAG2AZZ02A GE

87TS01K-E; GJR2368900R1313 Time Master FDDI/HSR ABB
nahbus-coupling device 88fn02a-e ABB
Baugruppe 81EB02E-E GJR2349000R1000 NOV ABB
Procontrol P13See more like this ABB
88QT02E; GJR2342500R1000 ProControl modules used ABB
coupling device 87ts01i-e gjr2368900r2340 Geb ABB
gjr2370800r0200 88fn02b-e BBC 88fn02e 88 FN 02 E ABB
Advant Controller 31 Basic Unit 07KT97D Control GJR5253000R0200 p16 ABB
Advant Controller 31 Basic Unit gjr5252100r0261 07kt94c ABB
GJR5145000R0201/35ZE93B E SN:8079 > UNUSED! < ABB

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描述

计数器,可进行计数,到达某设定计数值可发送相应信号。可进行什么样的计数,计数范围多大,怎么设定,有多少计数器,则是PLC计数器性能的代表指标。
数据存储区,用以存储工作数据。多以字、两字或多字为单位予以使用,是PLC进行模拟量控制,或记录数据所必不可少的。这个存储区的大小代表PLC的性能也是越大越好。趋势也是越来越大。小型机也如此。如日本OMRON公司的CQM1机,其DM区就有6k字。而过去同是小型机的C60P的DM区才64个字。大型机的DM可达10K以至几十K。
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