Electrical control panel for starting and capacity control of :
The compressor, the air dryer and cooling water system with pump when supplied.
Cabinet made of 2mm enamelled plate, protection to IP23 hermetically sealed and containing:
- Main circuit breaker and fuses.
- Star‑delta starter for compressor.
- Fuses for auxiliary circuits.
- Safety device to prevent compressor starting against load
OPC 45 
OPC 90: HMI = PRO-FACE – DELTA B1 – 4’’ touchscreen.
OPC 132 OPC 355: HMI = Siemens X1 – 7’’ touchscreen.
Automation system description overview
Capacity control with fully automatic start and time delayed stop of the compressor.
Monitoring of air and oil temperatures on each stage, as well as oil and air pressures.
Safety controls. Memorised defect system. Service intervals for maintenance.
Details of loaded and total running hours. Simple keypad operation.
Multi language message displays. Data communication over Ethernet port for remote control or monitoring. Diagnostics, reprogram, analogue, digital configuration…
Main Selection Monitoring
- Starter selection
- Pressure control
- Pressure units bar /PSI
- Temperature units °C/°F
- Standby
- Pre-warnings
- Modbus TCP/IP and Profinet
- Error log
- Languages : English; German, French,
Parameters, factory and operating settings
- Full process control for T° and pressure
(Air, water and oil) - Start control
- Draining sequence time
- Pressure control
Timers & Schedule for maintenance
- Running counters
- UMI countdowns and timers
- Greasing timers
- Spare timers
Safety control and alarms
- Air
- Oil
- Water
- External
- Electrical Network
- Motor
- Sensor
- L-shape
- Starter or Start-up
- Cabinet
- Drain
- Maintenance
- Communication
