Food Processing & Cold-Chain Storage Automation
HACCP-compliant temperature supervision, blast freezer defrost sequencing, and washdown safety.
The Operational Bottleneck
Cold storage warehouses and dairy processing facilities risk multi-million rupee product spoilage if blast chiller compressor power is interrupted or defrost heaters fail. Moisture and high-pressure chemical washdowns frequently cause ground leakage faults.
AISPL 3-Tier Hardware Response
Hygienic industrial automation for dairy and cold-storage facilities featuring IP66 washdown protection, ultra-fast phase shifting, and continuous temperature logging.
Deterministic 3-Tier Topology
Strict functional separation guarantees that field sensory inputs, high-speed switching logic, and cloud telemetry run without bus resource contention.
Field Devices
- ›Class-A 4-Wire Pt100 RTD High-Precision Temperature Sensors (-50°C to +150°C)
- ›Hermetic Refrigerant Pressure Transducers (4–20mA Loop Powered)
- ›Cold Room Door Opening Optical / Magnetic Interlock Switches
Core Actuators
- ›DSAPS-2S-100W-V2 Dual Source Phase Shifter for PLC & SCADA Power Continuity
- ›LCP-230V High-Sensitivity Earth Leakage Sensing Unit (IP65 Enclosure)
- ›Solid-State Compressor Stage Soft-Start & Defrost Element Contactors
Supervisory Uplink
- ›Isolated MODBUS RTU Fieldbus Loop to Multi-Channel Temperature Loggers
- ›MQTT Telemetry Hub with Onboard 30-Day Encrypted Flash Buffer
- ›Automated SMS / Voice Call Alert Dispatch Engine for Temperature Excursions
Validated Bill of Materials (BOM)
| # | PART NUMBER | DESCRIPTION & RATING | ESTIMATED QUANTITY | SUBSYSTEM ROLE |
|---|---|---|---|---|
| 1 | DSAPS-2S-100W-V2 | Dual Source Automatic Phase Shifter, sub-10ms transfer | 1 per cold room refrigeration panel | Chiller Controller Power Continuity |
| 2 | LCP-230V | Leakage Current Protector, 230VAC, 10mA threshold | 2 per processing line | Washdown Area Earth Leakage Protection |
| 3 | DCS-200W-U | Contactor & Power Switch, 200W rating, DIN-rail mounting | 4 per evaporator unit | Defrost Heater & Fan Step Control |
Included Hardware Modules
DALI Controlled Contactor
Precision 16A inrush zero-voltage crossing switching contactor with native IEC 62386-101/102 bus isolation.
Dual Source Automatic Power Shifter
Sub-millisecond transfer between grid mains and auxiliary secondary AC lines with zero cross-conduction.
Leakage Current Protector
Sub-25ms micro-differential leakage protection designed for critical patient-care and precision industrial facilities.
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