5.8 Special Wiring
5 -113
5.8.3 Using More Than One Servodrive
The following diagram is an example of the wiring when more than Servodrive is used.
Power Supply
R S T
QF
Noise filter
1KM
SUP
1KM
1RY
+24V
SGDH
Servopack
L1
L2
L3
L1C
CN1
31 ALM+
32 ALM--
0V
M
SGM
j
H
Servomotor
Power supply
OFF
L2C
SGDH
Servopack
L1
L2
L3
L1C
CN1
31 ALM+
32 ALM--
L2C
SGDH
Servopack
L1
L2
L3
L1C
CN1
31 ALM+
32 ALM--
L2C
M
SGM
j
H
Servomotor
M
SGM
j
H
Servomotor
Note
Wire the system so that the power supply’s S phase is the ground.
Power
OFF
Power
ON
1KM
1RY
Connect the alarm output (ALM) terminals for the three Servopacks in series to enable alarm
detection relay 1RY to operate.
The output transistor is turned OFF when the ALM output signal invokes the alarm state.
Multiple servos can share a single QF or noise filter. Always select a QF or noise filter that has
enough capacity for the total power capacity (load conditions) of those servos. For details, refer
to
5.8.1 Wiring Precautions
.
5
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