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3   Specifications
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
3-1  Servo Drive Specifications
3
3-1-4  Main Circuit and Motor Connections
 Motor Connector (CNC) Specifications
 
 Main Circuit Connector E (CNE) Specifications
 
Symbol Name Specifications
FG Motor connection terminals FG These are output terminals to the Servomotor.
U Phase U
V Phase V
W Phase W
Symbol Name Specifications
DB1 External Dynamic Brake 
Resistor connection termi-
nals
When the Internal Dynamic Brake Resistor is used:
• Open between DB1 and DB2.
• Short-circuit DB2 and DB3.
When the External Dynamic Brake Resistor is used:
• Connect the External Dynamic Brake Resistor between DB1 and 
DB2.
• Open between DB2 and DB3.
DB2
DB3