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 - ONS-SE-2G-1550 - For Cisco - New In Box
Agilestar - ONS-SE-2G-1570 - For Cisco - New In Box
Agilestar - ONS-SE-2G-1590 - For Cisco - New In Box
Agilestar - ONS-SE-2G-1610 - For Cisco - New In Box
Agilestar - DWDM-XENPAK-36.61 -For Cisco - New in Box
Agilestar - DWDM-X2-30.33 - For Cisco -10GBASE-DWDM
Agilestar - DWDM-X2-31.12 - For Cisco -10GBASE-DWDM
Agilestar - DWDM-X2-31.90 - For Cisco - 10GBASE-DWDM
Agilestar - DWDM-X2-32.68 - For Cisco - 10GBASE-DWDM
Agilestar - DWDM-X2-34.25 - For Cisco - 10GBASE-DWDM
Agilestar - DWDM-X2-35.04 - For Cisco - 10GBASE-DWDM
Agilestar - DWDM-X2-35.82 - For Cisco - 10GBASE-DWDM
