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浜屻�� 鎺ュ彛鐨勪粙缁�-INTERFACE

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3銆乧odesys 鎺ュ彛涓句緥

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锛�2锛変娇鐢� 涓婅堪Driver鎺ュ彛 瀹氫箟鍙拌揪鐢垫満鍔熻兘鍧楋紝骞跺疄鐜扮偣鍔ㄥ墠杩涖�佸悗閫�鐨勬柟娉�

1. FUNCTION_BLOCK PUBLIC Driver_Delta IMPLEMENTS Driver

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1. FUNCTION_BLOCK PUBLIC Driver_SANYO IMPLEMENTS Driver

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1. FUNCTION DriveForwad : BOOL
2. VAR_INPUT
3.         m_dirver :Driver;//澹版槑鐢垫満鎺ュ彛鍙橀噺锛屼笉绠′粈涔堝巶瀹剁殑鐢垫満锛岀敤缁熶竴鐨勮緭鍏ュ弬鏁�
4. END_VAR
5. VAR
6. END_VAR

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1. m_dirver.JogForward();

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1. PROGRAM PLC_PRG
2. VAR
3.   m_Driver_Delta:         Driver_Delta;//鍙拌揪
4.   m_Driver_SANYO:   Driver_SANYO;//涓夋磱
5. END_VAR

澶嶅埗浠ｇ爜

1. DriveForward(Driver_Delta);DriveForward(Driver_SANYO);//鍏朵粬鐢垫満绛夌瓑

澶嶅埗浠ｇ爜

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1. FUNCTION_BLOCK PUBLIC Animal

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锛�2锛夊畾涔変竴涓�缁ф壙鍔ㄧ墿鐨勭尗鍔熻兘鍧楋紝瀹炵幇 鈥滃彨锛堬級鈥濈殑鍔ㄤ綔

1. FUNCTION_BLOCK cat EXTENDS Animal

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锛�3锛夊畾涔変竴涓�缁ф壙鍔ㄧ墿鐨勭嫍鍔熻兘鍧楋紝瀹炵幇 鈥滃彨锛堬級鈥濈殑鍔ㄤ綔

1. FUNCTION_BLOCK dog EXTENDS Animal

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