Power supply, Overview, Nc power supply – HEIDENHAIN TNC 335 Technical Manual User Manual
Page 43: 4 power supply 4.1 overview, 1 nc power supply

3-14
TNC 360
4 Power Supply
8/95
4 Power Supply
4.1 Overview
The supply voltages must meet the following specifications:
Unit
Supply voltage
Voltage range dc
average
Max. current
consumption
Power
consumption
LE
NC
24 Vdc
(VDE 0160, 5.88
low-voltage
electrical
separation)
Lower limit
20.4 V
- - -
LE 360 1.5 A
28.8 ... 36 W
(also supplies
the BE 212)
Upper limit
PLC
24 Vdc
(VDE 0160, 5.88
base insulation)
31 V
- - -
1)
2 A
when half
3
) of
the outputs are
switched on
simultaneously
Approx. 48 W
when half
3
) of
the outputs are
switched on
simultaneously
PL 410 B
PL 410
4
)
PL 400
4
)
20 A
when half
3
) of
the outputs are
switched on
simultaneously
Approx. 480 W
when half
3
) of
the outputs are
switched on
simultaneously
HRA 110
(VDE 0160, 5.88
low-voltage
electrical
separation)
0.2 A
Approx. 5 W
BF 110
2)
Approx. 1 A with
full display
24 W typical
32 W max.
1
) Voltage surges up to 36 V
- - -
permissible for t< 100 ms.
2
) The BF 110 has its own line power connection, which also powers the internal ventilation.
3
) No more than half the outputs can be switched on simultaneously.
4
) No longer included in product program
4.1.1 NC power supply
Connection terminal X31
Pin Number
Assignment
1
+ 24 Vdc
2
0 V