Selectron CPU 727-T User Manual

CPU 72x
24.05.2019 page 28
1.7.2.3 Digital Outputs
The digital outputs of the CPU 72x have the following output switching:
Fig.20: Connection diagram digital outputs
Legend:
Digital Outputs CPU 72x
-T/LT
-TH/LTH
Output type
FET, plus-switching
Output display
LED orange, lights up with Signal = 1
Power supply (US)
Nominal value
24 Vdc
36 Vdc
Limits
16.8…30.0 Vdc
25.2…45.0 Vdc
Power supply display (US)
LED green
Output voltage
 23 Vdc
 35 Vdc
Output current
with Signal = 1 max.
0.5 A
Short circuit current Is typ.
5 A, switch off time = 1.5 ms
Switch on time after short circuit
5 s
Short circuit display
LED ret
Total loading
1)
2 A // 4 A
Minimum switching current
100 µA
Limitation of inductive switch off voltage
Suppressor diode
Output delay
for Signal 0  1
600 µs
for Signal 1  0
800 µs
Switching frequency
resistive load
100 Hz
inductive load
2 Hz
Signal level of outputs without load
for Signal 0
max. 2 Vdc
for Signal 1
16.8…30.0 Vdc
25.2…45.0 Vdc
Effect with overload
outputs are switched off
Galvanic separation
Output  logic
Yes, simple insulation, opto-coupler
Output  output
No
Test voltage
560 Vac, 800 Vdc to logic and earth
1)
2 A at CPU 723-T — 4 A at CPU 725-LT/LTH / CPU 727-T/TH
LED
Output
FET
US
0V

Selectron CPU 727-T Specifications

General

Brand	Selectron
Model	CPU 727-T
Category	Computer Hardware
Language	English