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。
Agilestar - CWDM-GBIC-1390 - For Cisco - New in Box
Agilestar - CWDM-GBIC-1410 - For Cisco - New in Box
Agilestar - CWDM-GBIC-1430 - For Cisco - New in Box
Agilestar - CWDM-GBIC-1450 - For Cisco - New in Box
Agilestar - SF1G-SF13-AS - For FibroLAN - New in Box
Agilestar - SF1G-SF15-AS - For FibroLAN - New in Box
Agilestar - E1MG-100FX-LR - For Foundry Networks - NIB
Agilestar - 808-38224-AS - For IMC Networks - New in Bo
Agilestar - FTRJ1523P1BTL-AS - For Finisar - New in Box
Agilestar - CWDM-SFP-1270 - For Cisco - New in Box
Agilestar - CWDM-SFP-1290 - For Cisco - New in Box
Agilestar - CWDM-SFP-1310 - For Cisco - New in Box
