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2-13
01/00 AWB27-1239-GB
PS416-INP-400/-401
4
Operation
Function
The digital input cards are the interface between the
input level and the processing level. In order to
improve the reliability of the control system, the
internal bus logic isolates the DC signals from the
process by means of optical couplers. There is an
LED for each input, which displays the signal status.
Figure 2-6: Block diagram of the PS416-INP-400/-401
PS416-INP-400/401
+24 V
0 V
I15
I0
I1
PS416
Aislamiento
de potencial
Lógica de bus
Retardo
Codificación
de dirección
Содержание PS416-INP-40 SERIES
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