Novexx Solutions ALX 92x, Service Manual

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05/16 Rev. 06 SERVICE MANUAL Applicator Interface
ALX 92x – ALX 73x Interface description
21
Circuit diagrams for signal inputs
For each signal input are +24 V and GND 24 V separately available.
[15] Main circuit for signal inputs (NPN).
[16] Main circuit for signal inputs (PNP).
Quantity Value
Supply voltage 24 V ±10%
V
IL
(state „0“)

5 V
V
IH
(state „1“)
18.0 V @ 3.8 mA
26.4 V @ 5.7 mA
t
delay
(propagation delay)

60 µs
t
debounce
a
(software debouncing)
a) 24 V input

5 V microcontroller input
10 ms
[Tab. 3] Switching level definitions for signal inputs.
1k6
24 V
GND
470R
1k6
IN_A
IN_K
Applicator Interface
NPN
sensor
1k6
24 V
GND
470R
1k6
IN_A
IN_K
Applicator Interface
PNP
sensor