Record facts
Voltage coding2 = three-phase 220 V; 3 = three-phase 380 V
Load codeG = general-purpose load
Brake markingB = built-in braking unit
CommunicationsRS-485 terminal interface
Service notes
- Confirm the full nameplate code before substituting a unit or documenting terminals.
- Terminal layouts differ by power rating; a terminal record must be tied to the exact frame group.
- Power must be isolated and the DC bus verified discharged before internal inspection.
Related technical records
Circuit
Standard AC Drive Power Conversion Path
Open →WorkflowMost voltage-source AC drives follow a common conversion chain: mains input is rectified to a DC bus, filtered by the DC-link stage and switched through an inverter bridge to produce a controlled three-phase motor output.
Safe First Inspection of an AC Drive Before Fault Tracing
Open →A drive has been removed from service or is being inspected before commissioning, wiring verification or deeper repair.