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 - 15454-GBIC-1530 - For Cisco - New in Box
Agilestar - 15454-GBIC-1550 - For Cisco - New in Box
Agilestar - 15454-GBIC-1570 - For Cisco - New in Box
Agilestar - 15454-GBIC-1590 - For Cisco - New in Box
Agilestar - 15454-GBIC-1610 - For Cisco - New in Box
Agilestar - AS-SFP10G-ER - For Agilestar - New in Box
Agilestar - FTLX1612M3BTL - For Finisar - New In Box
Agilestar - ONS-SE-622-1490 - For Cisco - New In Box
Agilestar - ONS-SE-622-1570 - For Cisco - New In Box
Agilestar - ONS-SE-622-1470 - For Cisco - New In Box
Agilestar - ONS-SE-622-1530 - For Cisco - New In Box
Agilestar - ONS-SE-622-1610 - For Cisco - New In Box
Agilestar - ONS-SE-622-1510 - For Cisco - New In Box
Agilestar - ONS-SE-622-1550 - For Cisco - New In Box
