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Sigma II User's Manual
5.5.4
Speed Coincidence Output........................................................................ 5-74
5.5.5
Using the Running Output Signal ............................................................. 5-75
5.5.6
Using the Servo Ready Output Signal ...................................................... 5-76
5.5.7
Using the Warning Output Signal ............................................................. 5-77
5.5.8
Using the Near Output Signal ................................................................... 5-79
5.5.9
Handling Power Loss................................................................................ 5-80
5.6 Selecting a Regenerative Resistor..................................................................... 5-82
5.6.1
External Regenerative Resistor................................................................. 5-84
5.6.2
Calculating the Required Capacity of Regenerative Resistors ................. 5-86
5.7 Absolute Encoders ............................................................................................. 5-90
5.7.1
Interface Circuit ........................................................................................ 5-90
5.7.2
Selecting an Absolute Encoder ................................................................. 5-91
5.7.3
Handling Batteries .................................................................................... 5-92
5.7.4
Absolute Encoder Setup............................................................................ 5-93
5.7.5
Absolute Encoder Reception Sequence .................................................... 5-97
5.8 Special Wiring.................................................................................................. 5-102
5.8.1
Wiring Precautions.................................................................................. 5-102
5.8.2
Wiring for Noise Control ........................................................................ 5-104
5.8.3
Using More Than One Servodrive.......................................................... 5-109
5.8.4
Extending Encoder Cables...................................................................... 5-110
5.8.5
400V Power Supply Voltage................................................................... 5-112
5.8.6
Reactor for Harmonic Suppression......................................................... 5-113
5.9 Reserved Parameters........................................................................................ 5-114
6
Servo Adjustment ................................................................................................ 6-1
6.1 Smooth Operation ................................................................................................ 6-2
6.1.1
Using the Soft Start Function...................................................................... 6-2
6.1.2
Smoothing................................................................................................... 6-3
6.1.3
Adjusting Gain ............................................................................................ 6-4
6.1.4
Adjusting Offset.......................................................................................... 6-5
6.1.5
Setting the Torque Reference Filter Time Constant.................................... 6-5
6.1.6
Notch Filter ................................................................................................. 6-6
iv
Chapter 2: Installation
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