中國臺灣AECL信號變換器用于變頻器或現場儀表的各類信號的隔離與轉換，可轉換成計算機、DCS、PLC等能接受的標準信號或用戶的特殊信號。中國臺灣AECL-AT740系列信號變換器的輸入包括：直流、交流,、溫度、電位器、頻率等信號，輸出范圍廣,可以滿足客戶特殊要求.
1、直流與交流類（各種直流輸入、直流輸出可選、直流轉換器、雙組輸出隔離、反轉轉換器、直流平均器、減算器、加算器HIGH/LOW選擇器、平方根轉換器等）
AT-740-VZI.VZV.IZI.IZV.VCI.VCV.ICI.ICV.RV.RVZ.AV.AVZ.AD.ADZ.SH.SHZ.SL.SLZ.SR.SRZ.VAV.VAI.IAV.IAI.VEV.VEI.IEV.IEI.PM.PMZ.LC.LCZ
型號: AT740-IZI-AA-2 AT740-IZI-AB-2 AT740-IZI-AAA-2 AT740-VZV-11-2 AT740-VZV-12-2
AT740-VZV-21-2 AT740-VZV-22-2 AT740-VZV-12-3 AT740-VZV-21-3 AT740-VZV-22-3
AT740-VZV-23-3 AT740-VZV-31-3 AT740-VZV-32-3 AT740-VZI-1A-2 AT740-VZI-2A-2
AT740-IZV-A1-2AT740-PMZ-11-2 AT740-IZV-A2-2 AT740-IZV-A3-2 AT740-VZI-1B-2
AT740-PMZ-12-2 AT740-PMZ-1A-2 AT740-PMZ-21-2 AT740-PMZ-22-2
AT740-PMZ-2A-2等
2、溫度類（熱電偶溫度轉換器、測溫電阻溫度轉換器、PT100溫度轉換器、兩線式RTD溫度傳訊器）
AT-740-J.K.E.T.R.JZ.KZ.EZ.TZ.RZ.PT.PTZ
AT740-PTZ-21-2 AT740-PTZ-22-2 AT740-PTZ-23-2 AT740-PTZ-24-2 AT740-PTZ-25-2
AT740-PTZ-2A-2 AT740-PTZ-2B-2 AT740-FCR-11-2 AT740-FCR-12-2 AT740-FCR-1S-2
AT740-FCR-21-2 AT740-FCR-22-2
3、頻率類（各種脈沖輸入可選，直流輸出可選、頻率轉換器、頻率比率轉換器）
AT-740-FCR.FDR.FCI.FCV.VCF.ICF.FZF
型號:AT740-FCI-2A-2 AT740-FCI-1B-2 AT740-FCI-2B-2 AT740-FCV-11-2 AT740-FCV-12-2
AT740-FCV-13-2 AT740-FCV-11-3 AT740-FCV-12-3 AT740-FCV-21-2 AT740-FCV-22-2
AT740-FCF-11-2 AT740-FCF-12-2 AT740-FCF-11-2 AT740-FCF-22-2 AT740-FCF-11-3
AT740-FCF-12-3 AT740-FCF-11-3 AT740-FCF-22-3 AT740-FCI-1A-2等
4、高低報警類（直流報警設定器、交流報警設定器、頻率/流量報警設定器、熱電偶報警設定器、測溫電阻溫度報警設定器等）
AT-740-SH.SHZ.SL.SLZ
5、電力轉換器類（交流電壓PT轉換器、交流電流CT轉換器、功率、功率因數轉換器、電源濾波率轉換器、有效電力轉換器、無效電力轉換器等）
AT-740-WT1.WT2.WT3.VR1.VR2.VR3.WH1.WH2.WH3.PF1.PF3.PAI.PAV.PEI.PEV.CAI.CAV.CEV.HZ.
型號:
AT740-CEI-AA-2 AT740-CEI-AB-2
AT740-CEI-BE-2 AT740-CEI-AA-3 AT740-CEI-AB-3 AT740-CEI-BA-3 AT740-CEI-BB-3
AT740-CAI-AA-2 AT740-CAI-AB-2 AT740-CAI-AC-2 AT740-CAI-BA-2 AT740-CAI-BB-2
AT740-CAI-BC-2 AT740-CAI-AA-3 AT740-CAI-AB-3 AT740-PTZ-21-2 AT740-PTZ-22-2
AT740-PTZ-23-2 AT740-PTZ-2A-2 AT740-PTZ-2B-2等
