【正文】 Date: 2022/2/8 File: SIMATIC S7 Siemens AG 2022. All rights reserved. Information and Training Center Knowledge for Automation 賦值，置位，復位 (S) Q I I I amp。 = NEG M_BIT amp。 = Q I A I A I = Q 賦值 LAD FBD STL Date: 2022/2/8 File: SIMATIC S7 Siemens AG 2022. All rights reserved. Information and Training Center Knowledge for Automation 觸發(fā)器的置位 / 復位 SR R Q S = 復位 優(yōu)先 SR S Q R Q A I S M A I R M A M = Q RS S Q R = 置位 優(yōu)先 RS R Q S Q A I R M A I S M A M = Q LAD FBD STL Date: 2022/2/8 File: SIMATIC S7 Siemens AG 2022. All rights reserved. Information and Training Center Knowledge for Automation 連接器 LAD I I ( ) I I ( ) M NOT ( ) Q A I A I = M A M A I A I NOT = M A M = Q STL I I amp。 FBD: LAD: 常閉觸點 No 0 Yes 1 No 0 No 0 Yes 1 Yes 1 No 0 過程 PLC程序中的解釋 動作 不動作 傳感器 是 ... 動作 不動作 常開 觸點 傳感器 是 ... 常閉 觸點 Date: 2022/2/8 File: SIMATIC S7 Siemens AG 2022. All rights reserved. Information and Training Center Knowledge for Automation 練習 :常