HEIDENHAIN TNC 306 Technical Manual - Manual (Page 102)

4-2
TNC 406/TNC 306 3/97
3.6.2 Axis enable 4-51
3.6.3 Axes in position 4-52
3.6.4 Open control loop 4-53
3.6.5 Actual/nominal value transfer 4-53
3.6.6. Feed rate override by the PLC 4-54
3.7 Non-controlled rotary axis (M03/M04) 4-54
4 Gap control 4-56
4.1 Input characteristics of the gap signal 4-56
4.2 Short Circuit Behavior 4-59
4.3 Retraction of the electrode during erosion 4-59
4.4 Arc recognition 4-60
4.5 Free run and spark-out 4-61
4.6 Flushing the gap 4-61
4.7 Eroding parameters 4-62
4.7.1 Eroding parameters as Q-parameters in the NC program 4-63
4.7.2 Eroding parameters in erosion tables 4-63
4.7.3 Create erosion parameter table in the PLC program 4-64
4.7.4 Servo sensitivity (SV) 4-66
4.8 Transmission of eroding parameters to the PLC 4-67
4.9 Data exchange between PLC and generator control 4-68
4.9.1 Transmission from the generator control to the PLC 4-68
4.9.2 Transmission from the PLC to the generator control 4-70
5 EMERGENCY STOP routine 4-71
5.1 Connection diagram 4-72
5.2 Flow diagram 4-73
6 Display and operation 4-76
6.1 Setting the machine datum point 4-76
6.2 Graphics 4-79
6.3 Status window 4-80
6.3.1 Positional and status display 4-80
6.3.2 Feed rate display 4-82
6.3.3 Display of the M-functions M03, M04, M05, M08 4-83
6.3.4 Display of the Way-To-Go (WTG) 4-83
6.3.5 Control operational 4-84
6.3.6 Cancel status display 4-84
6.4 Display of currently active power stage number 4-84
6.5 Display of actual machining time 4-84
6.6 Error messages 4-85
6.7 Cycles 4-86
6.7.1 Cycle inhibit 4-86
6.7.2 Cycle Scaling factor 4-87