Chapter 2 Installation and Wiring
10
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
Input power
Braking resistor
Electric motor
Ground wire
Input power
Braking resistor
Electric motor
Ground wire
