ii Contents
MN1943
3.5 Sharing the DC bus 3-23.....................................
3.5.1 DC busbar connection 3-23..........................................
3.5.2 ‘Power ready’ input / output 3-24......................................
3.5.3 Line reactors 3-25..................................................
3.6 18 VDC out / 24 VDC in control circuit backup supply 3-26........
3.6.1 24 VDC backup supply 3-26..........................................
3.6.2 24 VDC control circuit backup supply wiring 3-27........................
3.7 Motor connections 3-28......................................
3.7.1 Motor cable shielding 3-30...........................................
3.7.2 Motor circuit contactor 3-31..........................................
3.7.3 Sinusoidal filter 3-31................................................
3.7.4 Motor power cable pin configuration - Baldor BSM rotary motors 3-32.......
3.7.5 Motor cable pin configuration - Baldor linear motors 3-33..................
3.7.6 Motor brake connection 3-34.........................................
3.7.7 Motor overtemperature input 3-35.....................................
3.7.8 Bottom panel wiring 3-35.............................................
3.8 Regeneration resistor (Dynamic Brake resistor) 3-36.............
3.8.1 Regeneration capacity 3-37..........................................
3.9 Regeneration resistor selection 3-38...........................
3.9.1 Required information 3-38............................................
3.9.2 Regenerative energy 3-39...........................................
3.9.3 Regenerative power and average power 3-39...........................
3.9.4 Resistor choice 3-40................................................
3.9.5 Resistor temperature derating 3-41....................................
3.9.6 Resistor pulse load rating 3-42........................................
3.9.7 Duty cycle 3-43....................................................
4 Feedback 4-1..........................................
4.1 Introduction 4-1............................................
4.1.1 Incremental encoder interface 4-2....................................
4.1.2 BiSS interface 4-7.................................................
4.1.3 SSI interface 4-9..................................................
4.1.4 SinCos interface 4-11...............................................
4.1.5 EnDat interface 4-13................................................
5 Input / Output 5 -1......................................
5.1 Introduction 5-1............................................
5.2 Analog I/O 5-2.............................................
5.2.1 Analog input - X3 (demand) 5-2......................................
5.3 Digital I/O 5-4..............................................
5.3.1 Drive enable input 5-5..............................................
5.3.2 General purpose digital input DIN0 5-7................................
5.3.3 General purpose digital inputs DIN1 & DIN2 5-9........................
5.3.4 Special functions on inputs DIN1 & DIN2 5-10...........................
5.3.5 Motor overtemperature input 5-12.....................................