Unico 1105 - Page 4

1000 Series / Guide to Installation, Troubleshooting, and Maintenance
4! Electrical Installation ................................................................................. 4-1!
4.1! Overview ................................................................................................................ 4-1!
4.2! Wiring Requirements ............................................................................................. 4-1!
4.2.1! Standards and Codes .......................................................................................... 4-1!
4.2.2! Conductors ......................................................................................................... 4-1!
4.2.3! Tightening Torque ............................................................................................. 4-1!
4.3! Insulation Tests ...................................................................................................... 4-2!
4.4! Ground Connections .............................................................................................. 4-2!
4.4.1! Ground the drive ................................................................................................ 4-3!
4.4.2! Ground the Power Supply ................................................................................. 4-3!
4.4.3! Ground the Motor and Transducer .................................................................... 4-3!
4.4.4! Connect the Control Grounds ............................................................................ 4-3!
4.5! Input Power Supply ................................................................................................ 4-3!
4.5.1! Power Source Conditioning ............................................................................... 4-4!
4.5.2! Connect the Power Supply .............................................................................. 4-18!
4.5.3! Input Protection ............................................................................................... 4-18!
4.6! Connect the Motor ............................................................................................... 4-18!
4.7! Connect the Dynamic Braking Resistor ............................................................... 4-19!
4.8! Bus Connections .................................................................................................. 4-20!
4.8.1! Common-Bus Operation .................................................................................. 4-20!
4.9! Control Signal Connections ................................................................................. 4-47!
4.9.1! Wiring Precautions .......................................................................................... 4-47!
4.9.2! Digital I/O Connections (TB1) ........................................................................ 4-51!
4.9.3! Analog I/O Connections (TB2, CON2) ........................................................... 4-52!
4.9.4! Serial Connections (TB1, J1, J2, J3, J4, J6, J11, J12) ..................................... 4-52!
4.9.5! Feedback Interface Connections ...................................................................... 4-53!
5! Troubleshooting/Maintenance .................................................................. 5-1!
5.1! Overview ................................................................................................................ 5-1!
5.2! Troubleshooting ..................................................................................................... 5-1!
5.2.1! Theory of Operation .......................................................................................... 5-1!
5.2.2! Rectifier Checking Procedure .......................................................................... 5-17!
5.2.3! Transistor Checking Procedure ....................................................................... 5-18!
5.3! Maintenance ......................................................................................................... 5-20!
5.3.1! Working Life ................................................................................................... 5-20!
5.3.2! Battery Life ...................................................................................................... 5-20!
5.3.3! Disposal ........................................................................................................... 5-20!
5.4! Parts and Repairs .................................................................................................. 5-20!
5.4.1! Parts ................................................................................................................. 5-20!
5.4.2! Repairs ............................................................................................................. 5-21!