P0951CK-A 控制器
.组合代换
组合代换就是把同一型号的多块IC内部未受损的电路部分,重新组合成一块完整的IC,用以代替功能不良的IC的方法。对买不到原配IC的情况下是十分适用的。但要求所利用IC内部完好的电路一定要有接口引出脚。
非直接代换关键是要查清楚互相代换的两种IC的基本电参数、内部等效电路、各引脚的功能、IC与外部元件之间连接关系的资料。实际操作时予以注意:
⑴集成电路引脚的编号顺序,切勿接错;
⑵为适应代换后的IC的特点,与其相连的外围电路的元件要作相应的改变;
⑶电源电压要与代换后的IC相符,如果原电路中电源电压高,应设法降压;电压低,要看代换IC能否工作。
⑷代换以后要测量IC的静态工作电流,如电流远大于正常值,则说明电路可能产生自激,这时须进行去耦、调整。若增益与原来有所差别,可调整反馈电阻阻值;
⑸代换后IC的输入、输出阻抗要与原电路相匹配;检查其驱动能力。
⑹在改动时要充分利用原电路板上的脚孔和引线,外接引线要求整齐,避免前后交叉,以便检查和防止电路自激,特别是防止高频自激;
[7]在通电前电源Vcc回路里再串接一直流电流表,降压电阻阻值由大到小观察集成电路总电流的变化是否正常。
P0951CK-A 控制器
AW51B P61000436240 |
AW51B P62060176240 |
P0400DA FBM01 |
FCP270/ZCP270 |
P0400HH |
P0400VE |
P0400VP |
P0400VT |
P0400YC FBM02 |
P0400YE FBM04 |
P0400YG FBM06 |
P0400YV FBM18 |
P0400ZE FBM04 |
P0500RG |
P0500RU |
P0500RY |
P0700TT |
P0800DA |
P0800DC |
P0800DV |
P0902UT FBM39 |
P0903CW |
P0903ZE |
P0903ZL |
P0904BR |
P0904HW |
P0912AR |
P0912KA-OC |
P0914WM FBM241C |
P0916AM |
P0916CP |
P0916JT |
P0916JZ-0A |
P0916NG |
P0951AK |
P0951AP |
P0951BA-0E |
P0951BV |
P0951BX |
P0951CE-A FBC01 |
P0951CJ-C |
P0951CK-A |
P0951CL-C |
P0951CL-H |
P0951CP |
P0951CQ |
FBM237 |
P0951CR |
P0951CT-A |
P0951DK |
P0951EA FBC07 |
P0960GC WP30 |
P0960JA CP40 |
P0970BM-B |
P0970JE-0A |
P0970WX |
P0971PE-B |
P0971UN |
PM400YD FBM03 |
P0914XA |
FBM223 |
FBM203 P0914SV |
FBM205 P0914XG |
FBM207 P0914TD |
FBM211 P0914TN |
FBM217 P0914TR |
FBM242 P0916TA |
FCM10EF P0916CP |
FCM10E P0914YM |
FBM204 P0916AG |
FBM206 |
FBM201 |
CP40B P0961BC |
CP60 P0961FR |
FB110E P0972AJ |
FBM01 P0400DA |
FBM02 P0400YC |
FBM03 P0400YD |
FBM04 P0400YE |
FBM07 CM400YH |
FBM08 CM400YJ |
FBM10 CM400YL |
FBM11 CM400YM |
FBM18 P0400YV |
FBM203 P0914SV |
FBM241C P0914WM |
FBM39 P0902UT |
FBM41 P0902XA |
FBM43 P0950BM |
FBM44 P0950BN |
CM902WL |
P0914XB |
P0916FK |
P0916JW |
P0970BC |
P0971WV |
FOXBORO CM400YT FBM17A,0-10VDC,Ctct-DC I/O |
FOXBORO CP10/30/40/60 |
FOXBORO DM400YR FBM15, 120V I/O Expander |
FOXBORO DM900HU FBM26, Contact/125 VDC I/O |
FOXBORO DM900NY FBM27, Ctct/125 VDC I/O Expdr. |
FOXBORO FBM01 0-20MA输入 8AI |
FOXBORO FBM02 P0400YC |
FOXBORO FBM02 热电偶/毫伏输入 8AI |
FOXBORO FBM03 P0400YD |
FOXBORO FBM03 P0400YD |
FOXBORO FBM03 热电阻输入(三线/四线制) 8AI |
FOXBORO FBM04 0-20MA 输入/输出 4AI/4AO |
FOXBORO FBM05 P0400YF |
FOXBORO FBM05 冗余0-20MA输入/输出 4AI/4AO |