Table of Contents
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3 – 2
3.12 Input: Spindle Reference Signal ................................................. 3 – 71
3.13 Input: Drive Motor Enabling (LE 426 PB, LE 430 PA) ................ 3 – 72
3.14 Switching Inputs 24 Vdc (PLC) ................................................... 3 – 73
3.14.1 Input Signals and Addresses ................................................. 3 – 73
3.14.2 PLC Inputs on the PL 410B ................................................... 3 – 75
3.14.3 PLC Inputs on the PL 405B ................................................... 3 – 77
3.15 Switching Outputs 24 Vdc (PLC) ................................................ 3 – 78
3.16 Connecting the PL 4xxB Input/Output Unit .............................. 3 – 83
3.17 Machine Operating Panel............................................................ 3 – 87
3.18 TNC Keyboard Unit...................................................................... 3 – 90
3.19 Visual Display Unit ...................................................................... 3 – 92
3.20 BTS 1x0 Monitor/Keyboard Switch ......................................... 3 – 100
3.21 Mounting the Optional PCBs in
the LE 426 CB/PB, LE 430 CA/PA.............................................. 3 – 102
3.22 Mounting the Optional PCBs in the LE 426 M, LE 430 M ....... 3 – 103
3.22.1 Ethernet Interface ............................................................... 3 – 103
3.22.2 Digitizing with the Measuring 3-D Touch Probe .................. 3 – 104
3.23 Dimensions................................................................................. 3 – 105
3.23.1 LE 426 PB, LE 430 PA ......................................................... 3 – 106
3.23.2 LE 426 CB, LE 430 CA ........................................................ 3 – 107
3.23.3 LE 426 M, LE 430 M (Max. 6 Axes) .................................... 3 – 108
3.23.4 LE 430 M (Max. 9 Axes) ...................................................... 3 – 109
3.23.5 TE 420 ................................................................................. 3 – 110
3.23.6 MB 420 ................................................................................ 3 – 111
3.23.7 BC 120 ................................................................................. 3 – 112
3.23.8 BF 120 ................................................................................. 3 – 113
3.23.9 BTS 110 ............................................................................... 3 – 114
3.23.10 BTS 120 ............................................................................. 3 – 115
3.23.11 PL 4xx B ............................................................................ 3 – 116
3.23.12 Adapter Block for the Data Interface ................................. 3 – 117
3.23.13 Voltage Controller .............................................................. 3 – 118
3.23.14 Handwheels ...................................................................... 3 – 119
3.23.15 Touch probe systems ........................................................ 3 – 125
3.24 Grounding Diagrams ................................................................. 3 – 133
3.24.1 Grounding diagram TNC 426 CB/PB, TNC 430 CA/PA ........ 3 – 133
3.24.2 Grounding Diagram for TNC 426 M, TNC 430 M
with Modular Nonregenerative HEIDENHAIN Inverter ...... 3 – 134
3.24.3 Grounding Diagram for TNC 426 M, TNC 430 M
with Modular Energy Recovery HEIDENHAIN Inverter ...... 3 – 135
3.24.4 Grounding Diagram for TNC 426 M, TNC 430 M
with HEIDENHAIN Compact Inverter UE 2xx B ................. 3 – 136
3.24.5 Grounding plan TNC 426 M, TNC 430 M with
POWERDRIVE Inverter System ......................................... 3 – 137
3.24.6 Grounding plan TNC 426 M, TNC 430 M with
SIMODRIVE Inverter System in single-row configuration .. 3 – 138
3.24.7 Grounding plan TNC 426 M, TNC 430 M with
SIMODRIVE Inverter System in double-row configuration 3 – 139
HEIDENHAIN Technical Manual TNC 426, TNC 430
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