Siemens NCU 7x0.3 PN Series - Page 110

Connectable components
9.2 PP 72/48D PN
NCU 7x0.3 PN
110 Manual, 09/2011, 6FC5397-1EP40-0BA0
● Technical data:
Table 9- 25 Electrical specification of the digital outputs
Digital outputs min. Standard max. Nominal
High-level voltage (U
H
) V
CC
- 3 V
1)
V
CC
24 V
Output current I
OUT
- - 250 mA
2)
-
Voltage with low level (U
L
) - - - Output open
Leakage current at low level - 50 μA 400 μA -
Signal delay time T
PHL
- 0.5 ms - -
Maximum switching frequency
Resistive load - - 100 Hz -
Inductive load - - 2 Hz -
Lamp - - 11 Hz -

1)
U
H_typical
= V
CC
- I
OUT
× R
ON
V
CC
: Current operating voltage
I
OUT
: Output current
Maximum short-circuit current: 4 A (max. 100 μs, V
CC
= 24 V)
R
ON
: Maximum internal resistance = 0.4 Ω

2)
Where demand factor is 100% (all outputs active)
 Incorrect connection causes neither high level nor destruction of the outputs.