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。
PHD PARRALLEL GRIPPER GRC151-2-3001
CUTLER HAMMER REVERSE STARTER A210M0CAC J
Oil Gear hydraulic drive 20 hp used type DR-2011
RELIANCE AC VS DRIVE GP-2000 2GU41007 D2-3166
AGET DUSTKOP 80E70
ALLEN BRADLEY CONTROL COPROCESSOR 1771-DMC/A
FAFNIR BEARING LCJO 2 11/16 4 BOLT FLANGE
MODICON PROGRAMMABLE CONTROLLER 884 AS-884A-311
VICKERS PUMP 25V17A 1A22R
SKF 32036X ROLLER BEARING 7"
REXNORD PILLOW BLOCK ZPS-5307-F
ALLEN BRADLEY SCANNER HEAD 2755-L7RD SER D
WAESCHLE DUAL CHANNEL DIVERTER WZK71-P1-CR 2 1/2
10" WAESCHLE COPERION ROTARY VALVE ZPD 320.1-21GG
6" WAESCHLE COPERION ROTARY VALVE ZPD 2001-5-GC
GOOD YEAR HOT STOCK WATER BELTING 72X40
