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控制器 1757-SRM
.組合代換
組合代換就是把同一型號的多塊IC內部未受損的電路部分,重新組合成一塊完整的IC,用以代替功能不良的IC的方法。對買不到原配IC的情況下是十分適用的。但要求所利用IC內部完好的電路一定要有接口引出腳。
非直接代換關鍵是要查清楚互相代換的兩種IC的基本電參數、內部等效電路、各引腳的功能、IC與外部元件之間連接關系的資料。實際操作時予以注意:
⑴集成電路引腳的編號順序,切勿接錯;
⑵為適應代換后的IC的特點,與其相連的外圍電路的元件要作相應的改變;
⑶電源電壓要與代換后的IC相符,如果原電路中電源電壓高,應設法降壓;電壓低,要看代換IC能否工作。
⑷代換以后要測量IC的靜態工作電流,如電流遠大于正常值,則說明電路可能產生自激,這時須進行去耦、調整。若增益與原來有所差別,可調整反饋電阻阻值;
⑸代換后IC的輸入、輸出阻抗要與原電路相匹配;檢查其驅動能力。
⑹在改動時要充分利用原電路板上的腳孔和引線,外接引線要求整齊,避免前后交叉,以便檢查和防止電路自激,特別是防止高頻自激;
[7]在通電前電源Vcc回路里再串接一直流電流表,降壓電阻阻值由大到小觀察集成電路總電流的變化是否正常。
控制器 1757-SRM
| 1756-A10 |
| 1756-A13 |
| 1756-A17 |
| 1756-A4 |
| 1756-A7 |
| 1756-BA1 |
| 1756-BA2 |
| 1756-BATA |
| 1756-CN2 |
| 1756-CN2R |
| 1756-CNB |
| 1756-CNBR |
| 1756-DHRIO |
| 1756-DNB |
| 1756-EN2T |
| 1756-EN2TR |
| 1756-EN3TR |
| 1756-ENBT |
| 1756-ENET |
| 1756-EWEB |
| 1756-HSC |
| 1756-IA16 |
| 1756-IA16I |
| 1756-IA32 |
| 1756-IB16 |
| 1756-IB16D |
| 1756-IB16I |
| 1756-IB32 |
| 1756-IF16 |
| 1756-IF16H |
| 1756-IF8 |
| 1756-IF8H |
| 1756-IF8I |
| 1756-IF6I |
| 1756-IF6CIS |
| 1756-IT6I |
| 1756-IR6I |
| 1756-IR12 |
| 1756-IRT8I |
| 1756-IT6I2 |
| 1756-IM16I |
| 1756-L61 |
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| 1756-L64 |
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| 1756-L71 |
| 1756-L71S |
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| 1756-L73 |
| 1756-L74 |
| 1756-L75 |
| 1756-L81E |
| 1756-L81ES |
| 1756-L82E |
| 1756-L82ES |
| 1756-L83E |
| 1756-L83ES |
| 1756-L84E |
| 1756-L84ES |
| 1756-L85E |
| 1756-L8SP |
| 1756-M02AE |
| 1756-M02AS |
| 1756-M03SE |
| 1756-M08SE |
| 1756-M16SE |
| 1756-N2 |
| 1756-OA16 |
| 1756-OA16I |
| 1756-OB16D |
| 1756-OB16E |
| 1756-OB16I |
| 1756-OB32 |
| 1756-OF4 |
| 1756-OF8 |
| 1756-OF8I |
| 1756-OW16I |
| 1756-OF6VI |
| 1756-OF6CI |
| 1756-PA72 |
| 1756-PA75 |
| 1756-PA75R |
| 1756-PB72 |
| 1756-PB75 |
| 1756-RM |
| 1756-RM2 |
| 1756-TBCH |
| 1756-TBNH |
| 1756-TBS6H |
| 1756-TBSH |
| 1757-SRM |
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| Indramat DDS02.1-W200-DA01 |
| INDRAMAT DKC10.3-012-3-MGP-01VRS AND ECM01.1-PB01-NN |
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| REXROTH INDRAMAT IKG0006 |
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| Rexroth Indramat RMA 12.2-32-DC024-050 |
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| Rexroth Indramat FWA-MTCR0*-MO1-18VRS-NN |
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| Rexroth Indramat RME12.2-16-DC024-200 |
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| INDRAMAT BTA10.1-NE |
| INDRAMAT TBM 1.2-40-W1-024 |
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