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Sigma II User's Manual
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
Power supply OFF
Noise filter
Fuse
1MC
5-109
Chapter 5: Parameter Settings and Functions
Power
supply ON
1RY
1MC
1MC
SUP
Fuse
SGDH
L1
Servo
L2
amplifier
L3
L1C
L2C
+24V
CN1
1RY
31 ALM+
32 ALM-
Fuse
SGDH
L1
Servo
L2
amplifier
L3
L1C
L2C
CN1
31 ALM+
32 ALM-
Fuse
SGDH
L1
Servo
L2
amplifier
L3
L1C
L2C
CN1
31 ALM+
32
ALM-
0V
M
M
M
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