1. Main Circuit Breaker
• Function: General interruption of the power supply.
• Brand: Schneider (visible on the centre-right, black).
• Type: Tetrapole power circuit breaker.
2. 2 Siemens S7-300 PLC
• Function: Logical Installation Control (PLC).
• Location: Top right.
• Visible modules: Power, CPU, input/output (I/O), communication
modules.
3. Output Relay / Interface
• Function: Interface between the PLC and actuators (lamps,
contactors, etc.).
• Type: Plug-in relays on blue base.
• Location: Just below the machine.
4. HMI + Measurement Module
•Function:
• HMI (Human-Machine Interface): Display and local control.
• Measurement module: Measurement of voltage, current, power, power
factor, etc.
• Brand: Schneider (PowerLogic or similar).
• Location: Top left.
5. Batteries
• Function: Emergency power supply or buffer (e.g. for the
measurement module or PLC).
• Location: Bottom left.
6. Compensation module (15/30/60 kVAr)
• Function: Power factor compensation (cos φ), via capacitor
banks.
• Location: Black finned housing (dimmer/dimmer type).
• Quantity: 3 visible modules.
7. Motor Contactors
• Function: Motor on/off control.
• Brand: Schneider (TeSys).
• Location: Under each trim module.
• Supplements: Protected by thermal relays to prevent motor
overload.
France
93100 MONTREUIL 
