YASKAWA SGM Series User Manual page 61

J Multiple Axis Connections
Short 3CN pins 1 and 4, and insert a termination resister at the SERVOPACK for the last axis
on the cable. Then, short 3CN pins 3 and 5, and ground the shield to the frame ground. Also, insert
a terminal resister (120 Ω) and ground the shield to the frame ground on the host controller.
SH
SH
FG
/S
Pulse
S
transformer
/S
R
120Ω
MECHATROLINK
I/F
Host controller
P
4.9 3CN Connector for MECHATROLINK Communication
3
8
5
6
1
/S
P
7 S
2
/S
1
6
R
4
4
2
S S
7
8
SH
3
SH
FG
5
6
/S
P
7
S
1
/S
R
4
2
S
8
SH
3
SH
5 FG
6
/S
P
7
S
1 /S
R
4
S
8 SH
SH
3
FG
5
represents twisted-pair wires and
4 -21
Pulse transformer
MECHATROLINK
I/F
120Ω
No.1 SERVOPACK (First axis)
Pulse transformer
MECHATROLINK
I/F
120Ω
No.2 SERVOPACK (Second axis)
Pulse transformer
MECHATROLINK
I/F
120Ω
SERVOPACK (Last axis)
represents a shield.
4