YASKAWA S-7 Series Manual page 46

3 Wiring
 Dynamic Brake Resistor Terminals: 
-7S/-7W SERVOPACKs
These terminals are used if you use a SERVOPACK that supports a Dynamic
Brake Option and connect an External Dynamic Brake Resistor.
SERVOPACK Models
R70A,
R90A,1R6A,
and 2R8A
3R8A, 5R5A,
7R6A, 120A,
180A, 200A,
and 330A
SGD7S-
470A and
550A
590A and
780A
1R6A and
2R8A
SGD7W-
5R5A and
7R6A
* Any wire sizes within the ranges given in this table can be used for the External
Dynamic Brake Resistor.
E-44
Ter-
minal
Wire Size
Sym-
bols
– –
D1
AWG14 (2.0 mm
and
AWG18 (0.9 mm
D2
D1
AWG12 (3.5 mm
and
AWG18 (0.9 mm
D2
D1
AWG12 (3.5 mm
and
AWG18 (0.9 mm
D2
– –
D1A,
D2A,
AWG14 (2.0 mm
D1B,
AWG18 (0.9 mm
and
D2B
Tighten-
Screw
ing Torque
Size
– –
2
) to
– –
2
)*
2
) to
M4 1.0 to 1.2
2
)*
2
) to
M4 1.6 to 1.8
2
)*
– –
2
) to
– –
2
)*
[Nm]