Control System
AssemblyA PLC runs the freeze, primary drying, and secondary drying steps automatically, holding shelf temperature and chamber pressure on a recipe and watching product probes so the run ends only when the product is dry. It logs every batch. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Control System
6 top-level lines as of r69484| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | PLC Controller 4 parts | fds-plc | 1× | 1 | 0 | assembly |
| 2 | Operator HMI 4 parts | fds-hmi | 1× | 1 | 0 | assembly |
| 3 | Control Cabinet | fds-control-cabinet | 1× | 1 | · | part |
| 4 | Power Supply | power-supply | 1× | 1 | · | part |
| 5 | Variable-Frequency Drive 4 parts | fds-vfd | 3× | 3 | 0 | assembly |
| 6 | Relay | relay | 20× | 20 | · | part |