Pilz PSSu E S 4DI-D - Manual (Page 27)

Operation
Operating Manual PSSu E S 4DI-D
1001322-EN-04
27
Display elements
Legend:
LED on
LED off
Display elements for module diagnostics
The "Err" LED is used to indicate a module error and a missing periphery supply.
Err
11
I0
21
I1
Err
LED Meaning
Name Colour State
Err - - - No fault
Red Periphery sup-
ply is missing
or module is
faulty
Display elements for input status
Each input is assigned an LED for displaying the input status (LEDs “11”, “21”, “14” and
“24”).
Err
11 21
12 22
13 23
14 24
11
14
21
24
11
14
21
24
LED Key
Descrip-
tion
Colour Status Signal Input Terminal
11 - - - 0 signal I0
(Input 1)
11
green 1 signal
21 - - - 0 signal I1
(Input 2)
14
green 1 signal
14 - - - 0 signal I2
(Input 3)
21
green 1 signal
24 - - - 0 signal I3
(Input 4)
24
green 1 signal
7.2
7.2.1
7.2.2