190 likes | 308 Views
Manufacturing of segment display units. Overview. Safety logic Failsafe PLC. Shop floor control PC (WINCC). Safety-Bus. Profi-Bus. Station 1 “Drilling” PLC S7. Station 4 “Quality” PC & PLC S7. Station 2 “Pin-Insertion” PLC S7. Station 3 “Segment- Mounting” PLC S7.
E N D
Overview Safety logic Failsafe PLC Shop floor control PC (WINCC) Safety-Bus Profi-Bus Station 1 “Drilling” PLC S7 Station 4 “Quality” PC & PLC S7 Station 2 “Pin-Insertion” PLC S7 Station 3 “Segment- Mounting” PLC S7
Electrical control cabinet: Failsafe PLC T2: 24V T1: 230V FS-PLC Power Relais Fuses Connection Terminals
Electrical control cabinet: Station 1...4 X3 DI8O8 PLC S7 Safety-Bus X0 Emergency stop relais
Start General control sequence Unblocking FS-PLC Shop floor control Home- position ? Safety-Bus Operating mode Manual / Autom. ? Profi-Bus Station 1 “Drilling” Conveyorbelt Conveyorbelt running
General control sequence FS-PLC Shop floor control Shopfloor- control Shop floor control Read and return pallet code Preparing carriers Stop next pallet Order input Order dates PalIet code Status Station 1 “Drilling” Station 1 “Drilling” Station 1 “Drilling”
General control sequence FS-PLC Shop floor control Shop floor control Shop floor control Read and return pallet code Status Pallet code Order data Pin insertion Station 2 “Pin insertion” Station 2 “Pin insertion” Station 2 “Pin insertion”
Emergency Stop General control sequence Emergency- Stop FS-PLC FS-PLC Shop floor control Shop floor control Shop floor control Mounting Read / return Palletcode Emergency- Stop Station 3 “Segment mounting” Station 3 “Segment mounting”
Shop floor controller PC (WINCC)
Pallet code Pallet code drilling Carrier on pallet Get blanc carrier Order dates Station 1: Control sequence Drilling- unit Robot PLC-S7
Pallet code Pallet code Shop floor controller PC (WINCC)
Station 2: Control sequence • Stop pallet • Pin feeding • Insert pins
Shop floor controller PC (WINCC) Pallet code
Sequence: If new Pallet Read / return palletcode Mounting Segment feed Release pallet If Pushbutton: “Stop” wasn’t pressed • Move gripper and pick segment • Move gripper to carrier • Place segment on carrier • Singulize pallet • Clamp pallet • Unclamp pallet • Release pallet
If new pallet Read / return pallet code Mounting Segment feed Release pallet
Shop floor controller PC (WINCC) Pallet code
Start Signal Pallet code Order dates Order dates Station 4: sequence PC Image processing PLC - S7
Start- Signal Result Fertig Ready Station 4: sequence PC Image processing PLC - S7