HEIDENHAIN TNC 306 Technical Manual - Manual (Page 32)

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TNC 416/TNC 406/TNC 306 Power supply 3–17
4 Power supp ly
4.1 Overview
The supply voltages must meet the following specifications:
Unit Supply
voltage
Voltage range Max. current
consumption
Power
consumption
LE 416 400 Vac 330 Vac –450 Vac 35 W
LE 406
LE 306
NC 24 V DC
(VDE 0551)
lower limit
20.4 V - - -
LE 406 1.3 A
LE 306 1.5 A
24 W
28.8 to 36 W
(the BE 212 is
also supplied)
upper limit
PLC 24 V DC
Base
insulation acc.
to VDE 0160)
31 V - - -
1) 1.8 A
when half of the
inputs/ outputs
are switched on
simultaneously
Approx. 6 W
when approx. 1/3 of
inputs/ outputs are
switched on
simultaneously
PL 410 B 21 A
when half of the
inputs/ outputs
are switched on
simultaneously
Approx. 25 W
when approx. 1/3 of
inputs/ outputs are
switched on
simultaneously
BF 110 Approx. 1 A
with full display 24 W typical
32 W max.
BF 120 Approx. 1 A
with full display 24 W typical
BC 110 110 V / 230 V 85 - 132 V/170 -264 V 70 W
BC 120 110 V / 230 V 85 – 264 V 80 W
BE 212 Powered through the LE 306
1) Voltage surges up to 36 V - - - for t < 100 ms are permissible.