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46 lines
762 B
46 lines
762 B
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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(*
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时 间：20191003
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版 本：1.0
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作 者：姚立
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名 称：控制反馈不一致报警
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说 明：注：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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备 注：
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*)
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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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