Connecting The Pl 4Xxb Input/Output Unit - HEIDENHAIN TNC 426 PB/M Technical Manual

3.16 Connecting the PL 4xxB Input/Output Unit

Device Id. Nr.
PL 410B 263 371-xx
PL 410B 263 371-xx
PL 405B 263 371-xx
December 2001
Up to four PL 4xxB can be connected to the TNC.
TNC 426 CB, TNC 430 CA:
One PL can be mounted in the logic unit, additional PLs are mounted in the
electrical cabinet.
TNC 426 PB/M, TNC 430 PA/M:
The PLs must be mounted separately in the electrical cabinet.
The PL 410B is available with and without analog inputs.
Switching Switching
inputs outpt.
24 Vdc 24 Vdc
64 31
64 31
32 15
No more than one PL 405B may be used. If connecting through PL 410B, the
PL 405B must be connected last.
Connecting the PL 4xxB Input/Output Unit
Analog inputs Inputs for Pt 100
(±10 V) thermistors
– –
4 4
– –
3 – 83