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 - E1MG-LHA-OM - For Foundry Networks - NIB
Agilestar - E1MG-CWDM80-1470 - Foundry Networks - NIB
Agilestar - E1MG-CWDM80-1530 - Foundry Networks - NIB
Agilestar - E1MG-CWDM80-1590 - Foundry Networks NIB
Agilestar - GIC-CWDM-1490 - Riverstone Networks -NIB
Agilestar - GIC-CWDM-1530 - Riverstone Networks - NIB
Agilestar - GIC-CWDM-1550 - Riverstone Networks - NIB
Agilestar - GIC-CWDM-1570 - Riverstone Networks - NIB
Agilestar - GIC-CWDM-1590 - Riverstone Networks - NIB
Agilestar - GIC-CWDM-1610 - Riverstone Networks - NIB
Agilestar - AA1419049-E6 - For Nortel - New in Box
Agilestar - E1MG-CWDM80-1490 - Foundry Networks -NIB
