Sigma II User’s Manual
Chapter 5: Parameter Settings and Functions
5-109
5.8.3
Using More Than One Servodrive
The following diagram is an example of the wiring when more than one servodrive
is used.
Note: Wire the system to comply to National Electrical Code.
Connect the alarm output (ALM) terminals for the three servo amplifiers in series to
enable alarm detection relay 1RY to operate. The output transistor is turned OFF
when the ALM output signal enters an alarm state.
Multiple servos can share a single MCCB or noise filter. Always select an MCCB or
Power Supply
R S
T
MCCB
Noise filter
1MC
1RY
Power
supply ON
1MC
SUP
1MC
1RY
+24V
SGDH
Servo
amplifier
L1
L2
L3
L1C
CN1
31
ALM+
32
ALM-
0V
M
Power supply OFF
L2C
SGDH
Servo
amplifier
L1
L2
L3
L1C
CN1
31
ALM+
32
ALM-
L2C
SGDH
Servo
amplifier
L1
L2
L3
L1C
CN1
31
ALM+
32
ALM-
L2C
M
M
Fuse
Fuse
Fuse
Fuse