台湾AECL信号变换器用于变频器或现场仪表的各类信号的隔离与转换，可转换成计算机、DCS、PLC等能接受的标准信号或用户指定的特殊信号。台湾AECL-AT740系列信号变换器的输入包括：直流、交流,、温度、电位器、频率等信号，输出范围广,可以满足客户特殊要求.
1、直流与交流类（各种直流输入、直流输出可选、直流转换器、双组输出隔离、反转转换器、直流平均器、减算器、加算器HIGH/LOW选择器、平方根转换器等）
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
型号: 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-VZI-1B-2 AT740-IZV-A1-2 AT740-IZV-A2-2 AT740-IZV-A3-2 AT740-PMZ-11-2
AT740-PMZ-12-2 AT740-PMZ-1A-2 AT740-PMZ-21-2 AT740-PMZ-22-2
AT740-PMZ-2A-2等
2、温度类（热电偶温度转换器、测温电阻温度转换器、PT100温度转换器、两线式RTD温度传讯器）
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、频率类（各种脉冲输入可选，直流输出可选、频率转换器、频率比率转换器）
AT-740-FCR.FDR.FCI.FCV.VCF.ICF.FZF
型号: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、高低报警类（直流报警设定器、交流报警设定器、频率/流量报警设定器、热电偶报警设定器、测温电阻温度报警设定器等）
AT-740-SH.SHZ.SL.SLZ
5、电力转换器类（交流电压PT转换器、交流电流CT转换器、功率、功率因数转换器、电源滤波率转换器、有效电力转换器、无效电力转换器等）
AT-740-WT1.WT2.WT3.VR1.VR2.VR3.WH1.WH2.WH3.PF1.PF3.PAI.PAV.PEI.PEV.CAI.CAV.CEV.HZ.
型号:
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