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36 lines
634 B
36 lines
634 B
4 months ago
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FUNCTION_BLOCK BS_Feedback
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VAR_EXTERNAL
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END_VAR
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VAR_INPUT
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Control :BOOL; (*设备控制指令*)
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Run :BOOL; (*设备运行状态反馈*)
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END_VAR
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VAR_OUTPUT
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ALARM :BOOL; (*设备电气控制箱故障报警*)
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END_VAR
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VAR
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TON1 :TON;
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TOF1 :TOF;
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END_VAR
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(*设备电气控制箱控制指令与设备运行反馈不一致故障检测，检测故障产生原因电箱没电、断路器断开、中间继电器与接触器故障等*);
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TON1( IN:=Control , PT:=t#15S);
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TOF1( IN:=Control , PT:=t#15S);
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IF TON1.q=1 or TOF1.q=1 then
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if Control<>Run then
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ALARM:=1;
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else
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ALARM:=0;
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end_if;
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END_IF;
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END_FUNCTION_BLOCK
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