2.4 Main Circuit Wiring
2.4.1 The Main Circuit Terminals Arrangement and wiring
Fig. 2-2 Wiring of terminals of major loops of S2R4GB ~ S2R75GB models
Table 2-1 Function and description of terminals of major loops of S2R4GB~S2R75GB
Terminal
symbol
Terminal name and function
L.N Single-phase AC 220V input terminal
+.PB Reserved terminals for an external braking resistor
U.V.W Three-phase AC output terminals
PE
Protective earth terminals for input power or shield earth terminals for motor cable and
braking resistor cables
Fig. 2-3 Wiring of terminals of major loops of S21R5GB ~ S22R2GB models
Table 2-2 Function and description of terminals of major loops of S21R5GB ~ S22R2GB models
Terminal symbol Terminal name and function
L.N Single-phase AC 220V input terminal
+.PB Reserved terminals for an external braking resistor
- DC negative bus output terminals
U.V.W Three-phase AC output terminals
PE
Protective earth terminals for input power or shield earth terminals for motor cable and
braking resistor cables