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1 (* Following taken directly from the IEC 61131.3 draft standard *) |
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2 |
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3 (* |
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4 * An IEC 61131-3 IL and ST compiler. |
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5 * |
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6 * Based on the |
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7 * FINAL DRAFT - IEC 61131-3, 2nd Ed. (2001-12-10) |
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8 * |
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9 *) |
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10 |
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11 |
1 FUNCTION_BLOCK HYSTERESIS |
12 FUNCTION_BLOCK HYSTERESIS |
2 (* Boolean hysteresis on difference *) |
13 (* Boolean hysteresis on difference *) |
3 (* of REAL inputs, XIN1 - XIN2 *) |
14 (* of REAL inputs, XIN1 - XIN2 *) |
4 VAR_INPUT XIN1, XIN2, EPS : REAL; END_VAR |
15 VAR_INPUT XIN1, XIN2, EPS : REAL; END_VAR |
5 VAR_OUTPUT Q : BOOL := 0; END_VAR |
16 VAR_OUTPUT Q : BOOL := 0; END_VAR |