A／D单元是把外电路的模拟量，转换成数字量，然后送入PLC；D／A单元，是把PLC的数字量转换成模拟量，再送给外电路。作为一种特殊的I／O单元，它仍具有I／O电路抗干扰、内外电路隔离、与输入输出继电器（或内部继电器，它也是PLC工作内存的一个区，可读写）交换信息等等特点。
Agilestar - 0231A494 - For use in Huawei - New in Box
Agilestar - FIM31112-100 - For Fujitsu - New In Box
Agilestar - 1184544P5 - For use in Adtran - New in Box
Agilestar - FIM31112 - For Fujitsu - New In Box
Agilestar - JD105A - For HP - New in Box
Agilestar - FTLX1441E2-AS - For Finisar - New in Box
Agilestar - FTLX1441F2-AS - For Finisar - New in Box
Agilestar - ONS-SE-2G-L2 - For Cisco - New In Box
Agilestar - JD121A - For HP - New in Box
Agilestar - TN-SFP-OC48S-C61 -Transition Networks - NIB
Agilestar - TN-SFP-OC48S-C59 -Transition Networks - NIB
Agilestar - TN-SFP-OC48S-C57 -Transition Networks - NIB
Agilestar - TN-SFP-OC48S-C55 -Transition Networks - NIB
