Tormach PCNC 770 - Page 18

Chapter 1
18
UM10350_PCNC770_Manual_0916A
Preface
10.2.4.1 Measuring DC Voltage 176
10.2.4.2 Measuring AC Voltage 176
10.2.4.3 Measuring Resistance 176
10.2.5 Contacng Technical Support 176
10.3 Frequently Found Problems 177
10.3.1 Loose Wires 177
10.3.2 Wire Hairs 178
10.3.3 Poor Cable Connecons 178
10.3.4 Sensors (Limit Switches) 178
10.3.5 Unexplained Stop or Limit Switch Error While Running 178
10.4 Electrical Maintenance 178
10.4.1 Electrical Service 178
10.5 System Troubleshoong 179
10.5.1 Power Distribuon Subsystem 181
10.5.1.1 Overview 181
10.5.1.2 Details of Power Distribuon Subsystem 184
10.5.2 Control Power Subsystem 185
10.5.2.1 Details of Control Power Subsystem 187
10.5.3 Controller Communicaon Subsystem 188
10.5.3.1 Overview 188
10.5.3.2 Details on Controller Communicaon Subsystem 188
10.5.4 Axes Drive Subsystem 190
10.5.4.1 Overview of Axis Drive Subsystem 190
10.5.4.2 Details of Axis Drive Subsystem 202
10.5.5 Spindle Drive Subsystem 206
10.5.5.1 Overview 206