Mounting And Electrical Installation - HEIDENHAIN TNC 426 PB/M Technical Manual

December 2001

3 Mounting and Electrical Installation

3.1 General Information ........................................................................ 3 – 5
3.1.1 Degrees of Protection ............................................................... 3 – 5
3.1.2 Electromagnetic Compatibility ................................................... 3 – 5
3.1.3 Shipping Brace for Hard Disk (LE 426 M, LE 430 M) ................ 3 – 6
3.2 Ambient conditions ......................................................................... 3 – 7
3.2.1 Heat Generation and Cooling .................................................... 3 – 7
3.2.2 Humidity .................................................................................... 3 – 8
3.2.3 Mechanical Vibration ................................................................. 3 – 8
3.2.4 Mounting Position ..................................................................... 3 – 8
3.3 Connection Overview .................................................................... 3 – 13
3.3.1 LE 426 CB ............................................................................... 3 – 13
3.3.2 LE 426 PB (Spindle up to 12 000 rpm) .................................... 3 – 14
3.3.3 LE 426 PB (Spindle up to 30 000 rpm) .................................... 3 – 15
3.3.4 LE 430 CA ............................................................................... 3 – 16
3.3.5 LE 430 PA ................................................................................ 3 – 17
3.3.6 LE 426 M (Spindle up to 12 000 rpm) ..................................... 3 – 18
3.3.7 LE 426 M (Spindle up to 30 000 rpm) ..................................... 3 – 19
3.3.8 LE 430 M/6 Axes ..................................................................... 3 – 20
3.3.9 LE 430 M/9 Axes ..................................................................... 3 – 21
3.4 Power Supply ................................................................................. 3 – 23
3.4.1 NC Power Supply for LE 426 CB/PB, LE 430 CA/PA ............... 3 – 23
3.4.2 NC Power Supply for LE 426 M, LE 430 M ............................. 3 – 24
3.4.3 Buffer Battery for the Logic Unit ............................................. 3 – 26
3.4.4 PLC Power Supply ................................................................... 3 – 27
3.4.5 Power Supply for the PL 4xxB ................................................ 3 – 28
3.4.6 Supply Voltage for Control-is-Ready Signal
(LE 426 M, LE 430 M) ...................................................................... 3 – 29
3.4.7 Power Supply for Visual Display Units .................................... 3 – 29
3.5 Encoders ......................................................................................... 3 – 31
3.5.1 Prerequisites ........................................................................... 3 – 31
3.5.2 Position Encoder ..................................................................... 3 – 31
3.5.3 Speed Encoder (LE 426 PB/M, LE 430 PA/M) ......................... 3 – 37
3.5.4 Adapters for Encoder Signals .................................................. 3 – 40
3.6 Connecting the Motor Power Module ......................................... 3 – 44
3.7 Analog Input ................................................................................... 3 – 47
3.8 Analog Output................................................................................ 3 – 50
3.8.1 Nominal Value Output ............................................................. 3 – 50
3.9 Touch Probe Systems.................................................................... 3 – 55
3.9.1 Triggering Touch Probe for Workpiece Measurement ............ 3 – 55
3.9.2 Triggering Touch Probe for Tool Measurement ...................... 3 – 57
3.9.3 Measuring Touch Probe (Option) ............................................ 3 – 58
3.10 Data Interface ............................................................................... 3 – 60
3.10.1 RS-232-C/V.24 Data Interface ................................................ 3 – 60
3.10.2 RS-422/V.11 Data Interface ................................................... 3 – 61
3.10.3 Ethernet Interface (Option) .................................................... 3 – 62
3.11 Handwheel Input.......................................................................... 3 – 64
3.11.1 HR 410 Portable Handwheel ................................................. 3 – 65
3.11.2 HR 130 Panel-Mounted Handwheel ...................................... 3 – 67
3.11.3 HRA 110 Handwheel Adapter .............................................. 3 – 68
3 – 1