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FB SEQ201 GLB : Basic start condition |
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Network 1: Define SSM last step #SSM(LAST_STEP := 1); |
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Network 2: Valves fixed-setting opened "DI OUT P03".V301.VLV_O.CmdExe_WP := NOT #SSM.S.step0 AND "HMI KEY".Execute.Pressure_Maintenance_with_Air AND "HMI KEY".P03.V301.F12_Enable_WP; "DI OUT P03".V302.VLV_O.CmdExe_WP := NOT #SSM.S.step0 AND "HMI KEY".Execute.Pressure_Maintenance_with_CO2 AND "HMI KEY".P03.V302.F12_Enable_WP; // Query Valves states fixed-setting #SSM.S.stepllo :="DI OUT P03".V309.FB_HP AND "DI OUT P03".V304.FB_HP AND "DI OUT P03".V306.FB_HP AND ("DI OUT P03".V301.FB_WP XOR "DI OUT P03".V302.FB_WP); |
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Network 3: CASE function corresponds to SEQ201 CASE #SSM.S.stepact OF 0: // Waiting for sequencer to start #SSM.S.stepd := #SSM.S.steps AND #SSM.S.stepllo;
1: // SEQ506 Execute pressure maintenance in SEQ201 IF #SSM.S.stepfc THEN "HMI KEY".SetPoint.PT302_PressureMaintainace := 500.0; ELSE #SEQ506.SSM.S.steph := "DI MAIN GLB".SEQ200.SEQ201.SSM.S.steph OR NOT "DI MAIN GLB".SET.SSM.S.steps; #SEQ506.SSM.S.steps := "DI MAIN GLB".SEQ200.Support.SEQ201_Start AND NOT "DI MAIN GLB".TOF_CmpltMaOFF_Pulse.Q; #SEQ506(); // Perform pressure maintenance END_IF; IF #SEQ506.Done THEN "DI MAIN GLB".SEQ200.Support.SEQ201_Start := FALSE; END_IF; END_CASE; |
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