HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 56)

SERVICE MANUAL TNC 415B/425
Page 53
Issue: 20.08.95
10.2 Power Supply of the NC
The power supply line of the NC is connected to the terminals of X31.
X31 NC power supply
Pin No. Assignment
1 + 24 V
2 0 V
The different voltages for the LE are transformed from the voltage fed (+24V) in the POWER SUPPLY
assembly (see block diagrams in section 10.2.1).
The input and output voltages are displayed by LEDs. The states of the individual voltages are only displayed
approximately by the LEDs. The exact values must be measured; the measured values must correspond to
the table in section 10.2.1.