YASKAWA YASNAC J50 Connecting Manual page 33

(1)
Connection and Motor Rotating Direction
Direction of
Motor Rotation
if "+" moving
command is given.
Forward Connection
E21
o
FLANGE
SURFACE
_ OF MOTOR
Ccw
Reverse Connection
g
o
Cw
The connection diagram shows forward connection.
Connect wires as shown below for reverse connection.
(2) Combination of Drive Unit and Regenerative Resistor
Servo Drive Type Regenerative Resistor installed
CACR-
SeDaratelvTvi3e MO-
SR03SB 70W-50k (or 30SH, 300W 100Q)
SR05SB
70W-50k (or 30SH, 300W 100Q)
SRI OSB
70W–5flk
SRI 5SB
70W-50k
SR20SB 140W-25k
SR30SB
140W–25k*
SR44SB
140W-25k*
*Two registers connected in parallel,
(3) Line Filter Installation
(a) A line filter is installed to prevent radio interference by high
frequency generated by the servo drive unit.
Line Filter Type
Current per Phase of Input Power Supply
LF31O
10A max
LF320 20A max
LF330
I
30A max
LF340
40A max
(4) Connection to Motor with Brake
SINGLE PHASE
100/200 VAC
EMERGENcY
SVMX
STOP
1=-- pUSHBUTTON
. Do not short-circuit output terminals 3 and 4.
. Tightly fasten terminal board screws.
.Protective devices are built-in. External protectors arenot needed.
. The contact making and breaking current for terminals 5 and 6
shallbe5 to 10times therated current of the brake to be used.
Use DC make-break contacts.
(b) Select the appropriate filter as follows depending on the current
per phase of the drive unit input power supply.