SD500 Spindle Servo Drive Manual
11
2.2.3 Main Circuit Terminal Description
Figure 2-4
Terminal mark
Terminal name
Function description
R
、
S
、
T
Three-phase AC power input terminal, 380 ~ 440V,
50/60Hz
AC input three-phase power connection point
(+)
、
(-)
DC bus positive/negative terminals
Common DC bus input point or external brake unit
(+)
、
PB
Brake resistor connection terminal
Reserved terminal for external braking resistor
U
、
V
、
W
Spindle servo driver output terminal
Three-phase AC output connected to the motor
PE
Ground terminal
Power and motor ground terminal
Table 2-3
⚫
Recommended cable size for main circuit connection:
Servo spindle drive model
Recommended cable size(mm2)
Terminal screw
specification
Recommended tightening
torque (N.m)
R/S/T U/V/W
PE
SD500-004D-*
4.0
4.0
M4
1.2~1.5
SD500-5R5D-*
6.0
6.0
M4
1.2~1.5
SD500-7R5D-*
6.0
6.0
M5
2~2.5
SD500-011D-*
10.0
10.0
M5
2~2.5
SD500-015D-*
10.0
10.0
M6
4~6
SD500-018D-*
16.0
16.0
M6
4~6
SD500-022D-*
16.0
16.0
M6
4~6
SD500-030D-*
25.0
25.0
M8
8~10
