20 Device Description
WAGO I/O SYSTEM 750 XTR
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
3.3
Display Elements
Figure 5: Display Elements
Table 6: Legend for Figure “Display Elements”
Chan-
nel Designation LED State Function
1
Status AI 1
A
Off No operational readiness or the local
bus communication is interrupted
Green Operational readiness and trouble-free
local bus communication
Error AI 1
B
Off Normal operation
Red
Overrange/underflow of the admissible
measuring range, broken wire, short
circuit
2
Status AI 2
E
Off No operational readiness or the local
bus communication is interrupted
Green Operational readiness and trouble-free
local bus communication
Error AI 2
F
Off Normal operation
Red
Overrange/underflow of the admissible
measuring range, broken wire, short
circuit
3.4
Operating Elements
The I/O module 750-481/040-000 has no operating elements.