HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 141)

SERVICE MANUAL TNC 415B/425
Page 136
Issue: 20.08.95
19.3.3 Measurement Setup for PLC Inputs and Outputs at the LE
Logic Unit
Test Adapter
Multimeter
X41
X42
X46
Interface
0.15 V
X41 : PLC output
X42 : PLC input
X46 : machine operating panel
*
Observe the safety instructions!