Control System
AssemblyA PLC holds the chamber vacuum and each heating-zone temperature, and sets belt speed and feed rate, the three levers that fix the dryness of a continuous product. It coordinates the vacuum, heating, and feed loops and logs the run. 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
7 top-level lines as of r181445| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | PLC Controller 4 parts | vbd-plc | 1× | 1 | 0 | assembly |
| 2 | Operator HMI 4 parts | vbd-hmi | 1× | 1 | 0 | assembly |
| 3 | Variable-Frequency Drive 4 parts | vbd-vfd | 4× | 4 | 0 | assembly |
| 4 | Control Cabinet | vbd-control-cabinet | 1× | 1 | · | part |
| 5 | Power Supply | power-supply | 1× | 1 | · | part |
| 6 | Pressure Sensor | pressure-sensor | 4× | 4 | · | part |
| 7 | Relay | relay | 16× | 16 | · | part |