HEIDENHAIN TNC 426 PB - Page 35

December 2001 Brief Description 2 – 25
Integral PLC
PLC memory Hard disk
Main memory (RAM) 512 KB
PLC cycle time TNC 426 CB/PB, TNC 430 CA/PA: 21 ms
TNC 426 M, TNC 430 M: can be set between 21 ms and
120 ms
PLC inputs 24 Vdc 56 (additional inputs as option)
PLC outputs 24 Vdc 31 (additional outputs as option)
Analog inputs ±10 V 3 (additional analog inputs as option)
Analog outputs ±10 V TNC 426 PB/M: 13 TNC 430 PA/M: 13
TNC 430 CA: 3 with 9 NC
axes plus spindle
TNC 430 CB: 7 with 5 NC
axes plus spindle
Inputs for thermistors 3 (additional inputs as option)
Commissioning aids
n Oscilloscope
n Trace function
n Table function
n Logic diagram
n Log
Data Interfaces
n One each RS-232-C/V.24 and RS-422/V.11 with max.
115 Kbps
n Expanded data interface with LSV2 protocol for external
operation of the TNC
n Option: Ethernet interface approx. 200 kbps to 1 Mbps
Machine Integration TNC 426 TNC 430