Appendix
80
04/99 AWB 27-1184 GB
Power supply for CPU
Rated voltage U
e
24 V DC
Permissible range 20.4 to 28.8 V DC
Residual ripple of input voltage < 5%
Polarity reversal protection Yes
Rated current I
e
Normally 250 mA + 300 mA
per LE
Inrush current and duration 4 A < 5 ms
Power consumption Approx. 6 W
Power dissipation (complete device) Approx. 6 W
Bridging of voltage dips
Duration of dip 10 ms
Repetition rate 1 s
Error indication Yes (LEDs)
Protection class 1
Galvanic isolation Yes
Terminals Plug-in screw terminals
Conductor cross-section
Flexible with ferrule 0.22 to 2.5 mm
2
Solid 0.22 to 2.5 mm
2
Rated insulation voltage 600 V AC
Inputs
No. of inputs 8
Rated voltage U
e
24 V DC
For “0” signal
≤
5 V DC (limit value type 1)
For “1” signal
≥
15 V DC (limit value type 1)
Max. ripple < 5 %
Rated current I
e
For “1” signal Normally 6 mA for 24 V DC
Max. delay time
From “0” to “1” max. 100 µs
From “1” to “0” max. 100 µs