易卖工控网(www.ymgk.com)提供”416NHM30032A 施耐德 全新现货”,产品详情:品牌/厂家:施耐德、型号:416NHM30032A、成色:全新、货期:现货 1天内发货、保修:180天,更多产品详情就上易卖工控网。
随着PLC技术的发展,其数据存储区越来越大。如德维森公司的PLC,其数据存储区(DM区)可达到9999个字。这样庞大的数据存储区,可以存储大量数据。
数据采集可以用计数器,累计记录采集到的脉冲数,并定时地转存到DM区中去。
数据采集也可用A/D单元,当模拟量转换成数字量后,再定时地转存到DM区中去。
PLC还可配置上小型打印机,定期把DM区的数据打出来。
PLC也可与计算机通讯,由计算机把DM区的数据读出,并由计算机再对这些数据作处理。这时,PLC即成为计算机的数据终端。
电力用户曾使用PLC,用以实时记录用户用电情况,以实现不同用电时间、不同计价的收费办法,鼓励用户在用电低谷时多用电,达到合理用电与节约用电的目的。
ABB 3HAA3563-AHA DSQC 249B Rectifier
ABB 3HAA3563-AD DSQC 252 System board
E3HAC028756-001 DSQC 253 SMB unit DSQC 573
E3HAA3563-AMA DSQC 253 Serial Measurement Board
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6369901-218 DSQC 253 Serial Measurement Board
ABB 3HAB2211-1 DSQC 256A System board
ABB 3HAA3563-AUA DSQC 258 Power supply
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ABB 3HAB8798-1 DSQC 266C Drive unit
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ABB 3HAB3700-1 DSQC 313 Serial measurement board
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ABB 3HAC9522-1 DSQC 313 Serial Measurement Board
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ABB 3HAB2231-1 DSQC 314C Rectifier DC link
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ABB E3HAB2231-1 DSQC 314C Rectifier DC link
ABB 3HAB2214-1 DSQC 315 Combi I/O
ABB 3HAB2219-1 DSQC 316 Computer board
ABB 3HAB2209-1 DSQC 317 Memory expansion board
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ABB 3HAB5956-1 DSQC 323 Memory expansion board
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ABB 3HAB2241-1 DSQC 325 Main computer
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