2KM
L1
SERVOPACK
0 V
1Ry
+
-
31
32
1D
B2
L2
CN1
1KM
L1C
L2C
1QF
R
T
1FLT
+24 V
3SA
B1/
1QF: Molded-case circuit breaker
1FLT: Noise Filter
1KM: Magnetic Contactor (for control power supply)
2KM: Magnetic Contactor (for main circuit power supply)
1Ry: Relay
1PL: Indicator lamp
1SA: Surge Absorber
2SA: Surge Absorber
3SA: Surge Absorber
1D: Flywheel diode
(For servo alarm
display)
1PL
1KM
2KM
1SA
Servo power
ON
Servo power
OFF
2SA
1KM
1Ry
1KM
ALM
ALM
1Ry
Fig. 57: Wiring Example for Single-Phase, 100-VAC Power Supply Input
5.4.5.2 Using More Than One SERVOPACK
Connect the ALM (Servo Alarm) output for these SERVOPACKs in series to operate the
alarm detection relay (1RY).
When a SERVOPACK alarm is activated, the ALM output signal transistor turns OFF.
The following diagram shows the wiring to stop all of the Servomotors when there is an
alarm for any one SERVOPACK.
More than one SERVOPACK can share a single Noise Filter. However, always select a
Noise Filter that has a large enough capacity to handle the total power supply capacity of
all the SERVOPACKs. Be sure to consider the load conditions.
Wiring Example for Single-
Phase, 100-VAC Power
Supply Input: SGD7S-
R70F, -R90F, -2R1F, or
-2R8F
Sigma-7 Series SERVOPACKs
Wiring and Connecting SERVOPACKs
Wiring the Power Supply to the SERVOPACK > Power Supply Wiring Diagrams
| | PROFINET Communications - SIEP YEUOC7P 02A Revision 0 | en | 102
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