Siemens TIA Portal V12, CPU S7 315-2 PN/DP, HMI TP900, 3G UMTS-роутер Welotec TK701, Sm@rtAccess.
Customer: PS Systec — Weska-Futron — Pharmaceutical company “Roche”, Germany.
Automation system for propane/CO2 refrigeration plant:
- 5 chillers (including 1 spare) – 1 inverter and the others step 0-100%;
- compressor pack with 3 compressors (including 2 spare) – 1 inverter and the others step 0-100%;
- 5 double pumps with local controllers Wilo Stratos;
- 2 coldstore rooms (heating, cooling, defrosting);
- PID-regulation of expansion valves in propane and CO2 circuits;
- recuperation of condenser heat;
- redundancy – two identical automation systems with standby switch-over, synchronization over Ethernet;
- datapoints to client’s SCADA (Siglimata) via 2 Profibus DP/DP Couplers;
- trends and CSV-tables for all analogue values and statuses, storage on SD-card in TP900 for 5 years;
- remote maintenance over Internet;
- operator interface in English and German languages.