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FB31 SET P01 : SET Heating oil circular flow |
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Network 1: Query home position "DI MAIN P02".M00.HomPosIS := NOT ("DI OUT P02".M200.FD_BACK OR "DI OUT P02".M202.FD_BACK OR "DI OUT P02".E200.FD_BACK) AND "DI OUT P02".V200.FB_HP AND "DI OUT P02".V201.FB_HP AND "DI OUT P02".V202.FB_HP AND "DI OUT P02".V203.FB_HP AND "DI OUT P02".V204.FB_HP AND "DI OUT P02".T200_PEW.Support.PEW_Scaled < 35.0 AND "DI OUT P02".T201_PEW.Support.PEW_Scaled < 30.0; |
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Network 2: Define last step #SSM(LAST_STEP := 2); |
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Network 3: Step Switching Mechanism (SSM) CASE #SSM.S.stepact OF 0: // Waiting for SET to start #SSM.S.stepd := #SSM.S.steps;
1: // Actors shutdown IF #SSM.S.stepfc THEN "DI OUT P02".V200.VLV_O.CmdExe_WP := "DI OUT P02".V201.VLV_O.CmdExe_WP := "DI OUT P02".V202.VLV_O.CmdExe_WP := "DI OUT P02".V203.VLV_O.CmdExe_WP := "DI OUT P02".V204.VLV_O.CmdExe_WP := FALSE; ELSE #SSM.S.stepd := "DI OUT P02".M200.DRV.LampHP AND "DI OUT P02".V200.VLV_O.LampHP AND "DI OUT P02".V201.VLV_O.LampHP AND "DI OUT P02".V202.VLV_O.LampHP AND "DI OUT P02".V203.VLV_O.LampHP AND "DI OUT P02".V204.VLV_O.LampHP AND "DI OUT P02".M201.DRV.LampHP AND "DI OUT P02".M202.DRV.LampHP AND "DI OUT P02".E200.DRV.LampHP; END_IF;
2: // Query P02 home position "DI MAIN P02".M00.HomPosRun := NOT "DI MAIN P02".M00.HomPosIS OR #SSM.S.steplo; END_CASE; |
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