ABBDCSAC700FCPU模块：AX722FAI731FABBDCSAC700FCPU模块：AX722FAI731FABBDCSAC700FCPU模块：AX722FAI731F衡量变频器性能的主要指标有变频增益、失真与干扰、噪声系数、选择性、输入阻抗、愉出阻抗、工作稳定性等，具体性能要求如下:(1)变频增益要大，失真要小。由于变频器输入为高频信一号频率，输出为中频频率，变频增益是衡量变频效果的重要指标。变频增益高可以减小接收机内部噪声的影响，有利于提高接收机的灵敏度。但是随着变频增益的增大，变频器的非线性失真也将增大，因此，不能片面地强调变频增益而忽视其它指标。(2)失真与干扰要小，在变频器中会产生幅度失真和非线性失真，还会有各种组合干扰频率分量产生的干扰(如寄生波道干扰、交叉调制干扰、互相调制干扰等).这些组合干扰频率的存在会影响正常通信，严重时，可能出现一大片干扰频率，产生很难听的嘶叫声，迫使通信中断。因此，对变频器而言，不但要求选频回路的幅频特性要好，还应当尽最改进电路(如选择由场效应管或模拟乘法器构成的变频器)，以尽量少产生不需要的频率分量。(3)噪声系数要小，噪声系数定义为输人信噪比与输出信噪比的比位.变频器的噪声系数对整机信噪比影响比较大，仅次于高频放大级。变频器的噪声系数的大小除与本身因素有关外，还与本振注人信号的大小及工作点的选取有关。噪声系数越小，说明电路性能越好。F0070故障——是指变频器与PLC之间的通讯出了问题，变频器在P2040所设定的时间内接收不到合适的报文而产生的故障。一般情况是：1）通讯线接触不好，受到干扰。2）通讯板坏或接触不好。3）主站PLC出了问题。如果能够排除上位PLC故障的话，建议你好好检查一下ＤＰ网络的走线，以避免PLC与变频器之间的通讯受到干扰——１）与动力线分开２）屏蔽层接地３）终端电阻同时，你可以看看通讯模块上的显示灯是什么状态？什么颜色？如何闪动？如果是绿灯闪亮的话，那是PLC没有给变频器报文（检查PLC的控制报文。当某种原因发送了没有内容的报文时，会出现异常）。如果是常亮的话，就要检查EMC的问题。包括通讯模块的供电方式、包括通讯电缆的抗干扰防护（单独走金属管最好）、通讯系统接地方式等等。P0915GCP0915GFP0915GJP0915HDP0915HEP0915HMP0915HQP0915HRP0915HSP0915HTP0915HUP0915HVP0915HWP0915HXP0915HYP0915JDP0915JFP0915JHP0915JKP0915JMP0915JPP0915JSP0915JUP0915JWP0915JYP0915KAP0915KCP0915KEP0915KGP0915KJP0915KLP0915KNP0915KQP0915KSP0915KUP0915KWP0915KYP0915LAP0915LCP0915LEP0915LGP0915LJP0915LLP0915LNP0915LQP0915LSP0915LUP0915LWP0915LYP0915MAP0915MCP0915MEP0915MGP0915MJP0915MLP0915MNP0915MQP0915MSP0915MUP0915MWP0915MYP0915NAP0915NCP0915NEP0915NGP0915NJP0915NLP0915NNP0915NQP0915NSP0915NUP0915NWP0915NYP0915PAP0915PCP0915PEP0915PGP0915PJP0915PLP0915PNP0915QFP0915QKP0915QLP0915RHP0915RJP0915RKP0915RMP0915RNP0915RPP0915RQP0915SAP0915SBP0915SCP0915SDP0915SFP0915SGP0915SHP0915SJP0915SKP0915SLP0915SMP0915SNP0915SQP0915SRP0915TAP0915TXP0915TYP0915TZP0915UAP0915UBP0915UEP0915UFP0915VEP0915VFP0915VGP0915VHP0915VKP0915VLP0915VRP0915VYP0915WAP0915WDP0915WGP0915WHP0915WKP0915WNP0915WRP0915XQP0915XRP0915XSP0915XWP0915XXP0915XYP0915YCP0915ZAP0915ZCP0915ZDP0915ZFP0915ZTP0916AAP0916ABP0916ACP0916ADP0916AEP0916AFP0916AGP0916AHP0916AJP0916AKP0916ALP0916AMP0916ANP0916APP0916AQP0916ARP0916ASP0916ATP0916AWP0916AXP0916BAP0916BTP0916BUP0916BVP0916BWP0916BXP0916CAP0916CBP0916CCP0916CPP0916CQP0916DAP0916DBP0916DCP0916DDP0916DEP0916DFP0916DGP0916DHP0916DJP0916DUP0916DVP0916DWP0916DXP0916DYP0916DZP0916EAP0916EBP0916ECP0916ENP0916EPP0916EQP0916ERP0916ESP0916ETP0916EUP0916EVP0916EWP0916FGP0916FHP0916FJP0916FKP0916FLP0916FMP0916FNP0916FPP0916FQP0916GEP0916GFP0916GGP0916GHP0916GJP0916GUP0916GVP0916GWP0916GXP0916GYP0916GZP0916JMP0916JNP0916JPP0916JQP0916JRP0916JSP0916JTP0916JVP0916JWP0916JXP0916JYP0916JZP0916MZP0916NAP0916NBP0916NCP0916NDP0916NGP0916NKP0916NNP0916NZP0916PGP0916PHP0916PJP0916PKP0916PLP0916PMP0916PNP0916PPP0916PQP0916PRP0916PSP0916PTP0916PUP0916PVP0916PWP0916PXP0916PYP0916PZP0916QAP0916QBP0916QCP0916QDP0916QEP0916QFP0916QGP0916QHP0916QJP0916QKP0916QLP0916QMP0916QNP0916QPP0916QQP0916QRP0916QSP0916QTP0916QUP0916QVP0916QWP0916QXP0916QYP0916QZP0916RAP0916RBP0916RCP0916RHP0916RJP0916RKP0916RLP0916SSP0916TAP0916TPP0916TQP0916TZP0916UDP0916UHP0916UJP0916UKP0916UYP0916UZP0916VAP0916VBP0916VCP0916VDP0916VEP0916VFP0916VGP0916VHP0916VJP0916VKP0916VLP0916VMP0916VNP0916VPP0916VQP0916VRP0916VSP0916VTP0916VUP0916VVP0916VWP0916VXP0916VYP0916VZP0916WAP0916WBP0916WCP0916WDP0916WEP0916WFP0916WGP0916WHP0916WJP0916WKP0916WLP0916WMP0916WNP0916WPP0916WQP0916WRP0916WSP0916XGP0916XHP0916XJP0916XKP0916XLP0916XMP0916XNP0916XPP0916XQP0916XTP0916XZP0916YAP0916YBP0916YEP0916YHP0916YWP0916YYP0916YZP0917ACP0917ADP0917AKP0917BDP0917BHP0917BKP0917BZP0917CAP0917CBP0917CCP0917CHP0917CJP0917CKP0917CLP0917CMP0917DNP0917DWP0917GYP0917GZP0917HAP0917HBP0917HCP0917HDP0917HUP0917HXP0917JAP0917JGP0917JHP0917JJP0917JKP0917JLP0917JMP0917JPP0917JQP0917JRP0917JSP0917JTP0917JUP0917KYP0917LAP0917LEP0917LHP0917LLP0917LPP0917LSP0917LVP0917LYP0917MFP0917MGP0917MHP0917MJP0917MXP0917PBP0917QWP0917QZP0913YRP0913YSP0913YUP0913YVP0913YXP0913ZBP0913ZDP0913ZEP0913ZGP0913ZRP0913ZSP0913ZTP0913ZVP0913ZWP0913ZXP0913ZYP0913ZZP0914AKP0914ANP0914ARP0914AUP0914BAP0914BFP0914BQP0914BTP0914BUP0914BXP0914CBP0914CCP0914CDP0914CEP0914EHP0914EMP0914FPP0914FQP0914FUP0914FYP0914GBP0914GCP0914GEP0914GFP0914GYP0914HBP0914HEP0914HHP0914HLP0914HMP0914HNP0914HPP0914HQP0914HRP0914HSP0914HTP0914HUP0914HVP0914HWP0914HXP0914HYP0914HZP0914JDP0914JEP0914JFP0914KPP0914KQP0914KRP0914KXP0914LBP0914LKP0914LLP0914LMP0914LNP0914LVP0914LYP0914LZP0914MAP0914MBP0914MCP0914MDP0914NAP0914NBP0914NTP0914NUP0914NVP0914PDP0914PEP0914PFP0914PGP0914PHP0914PSP0914QBP0914QCP0914QGP0914QKP0914QNP0914QRP0914QUP0914QXP0914RAP0914RDP0914RGP0914RKP0914RNP0914RRP0914RUP0914RXP0914RYP0914SAP0914SDP0914SGP0914SKP0914SNP0914SQP0914STP0914SVP0914SYP0914TBP0914TDP0914TGP0914TKP0914TNP0914TRP0914TYP0914TZP0914UAP0914UHP0914UJP0914UKP0914ULP0914VBP0914VCP0914VDP0914VVP0914WGP0914WHP0914WKP0914WMP0914WPP0914WVP0914XAP0914XBP0914XGP0914XLP0914XNP0914XQP0914XSP0914YMP0914YZP0914ZMP0914ZXP0915CCP0915CDP0915CJP0915CMP0915CQP0915DXP0915FBP0915FCP0915FUP0915FVP0915FWP0915FXP0914AX)