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Sigma II User’s Manual 5.8.3 Chapter 5: Parameter Settings and Functions Using More Than One Servodrive The following diagram is an example of the wiring when more than one servodrive is used. Power supply R S T MCCB Noise filter Power Power Supply Supply ON OFF 1RY 1MC 1MC SUP Fuse 1MC Fuse L1 SGDH L2 Servo L3 amplifier L1C M L2C +24V 1RY CN1 31 ALM+ 32 Fuse ALM- L1 SGDH L2 Servo L3 amplifier L1C M L2C CN1 31 ALM+ 32 Fuse ALM- L1 SGDH L2 Servo L3 amplifier L1C M L2C CN1 31 ALM+ 32 ALM- 0V 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 noise filter that has enough capacity for the total power capacity (load conditions) of 5-121
