AI4222
Module with four analogue voltage inputs.
LED
Colour
Status
Description
r
Green
Off
Not in operation (no power supply)
Quick flashes
Reset mode
Flashing
Preoperative mode
On
Module in operation
e
Red
Off
No error / no supply to module
On
Error or reset status
e+r
Red illuminated (e)
Green flashing (r)
Incorrect firmware
1-4
Green
Off
Broken cable or sensor unplugged
Flashing
Overflow or underflow of input signal
On
Analogue-digital converter works; value is OK
Electric components and wiring
7
PLC
Service manual SPS 4000 | B0960622_en
119