Pilz PSSu E S 4AI U - Manual (Page 47)

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7-3
7.2 Display elements
7 Operation
7.2.2 Display elements for input status
Display elements for input status 7- ][BA_Anzeige LED 4AI
Each input is assigned an LED for displaying the input status (LEDs “I0”,
“I1”, “I2” and “I3”). The green LED lights up as soon as the module de-
tects a signal at the input that can be digitised.
LED Key
Descrip-
tion Colour Status Signal Input Termi-
nal
I0 - - - No signal
detected I0
(Input 1) 11
green Signal
detected
I1 - - - No signal
detected I1
(Input 2) 21
green Signal
detected
I2 - - - No signal
detected I2
(Input 3) 14
green Signal
detected
I3 - - - No signal
detected I3
(Input 4) 24
green Signal
detected
11
I0
21
I1
Err
I 0 I 1
I0 I1
Err
I 2 I 3
I2 I3