WAGO-I/O-SYSTEM 750 XTR
Device Description
21
750-486/040-000 4AI 0/4-20mA NE43 Ex i XTR
Manual
Version 1.0.0
3.3
Display Elements
Figure 5: Display Elements
Table 7: Legend for Figure “Display Elements”
Channel Designation LED State Function
1
Status AI 1
A
Off
Not ready for operation or no or disturbed
local bus communication, channel
deactivated
Green
Ready for operation and undisturbed local
bus communication
Error AI 1
B
Off
Normal operation and/or diagnostics
deactivated, or channel deactivated
Red
Permissible measurement range
overrange/underrange, short circuit,
general error, wire break (for sensor types
“4 mA … 20 mA” and “3.6… 21 mA”)
2
Status AI 2
C
Off
Not ready for operation or no or disturbed
local bus communication, channel
deactivated
Green
Ready for operation and undisturbed local
bus communication
Error AI 2
D
Off
Normal operation and/or diagnostics
deactivated, or channel deactivated
Red
Permissible measurement range
overrange/underrange, short circuit,
general error, wire break (for sensor types
“4 mA … 20 mA” and “3.6… 21 mA”)
3
Status AI 3
E
Off
Not ready for operation or no or disturbed
local bus communication, channel
deactivated
Green
Ready for operation and undisturbed local
bus communication
Error AI 3
F
Off
Normal operation and/or diagnostics
deactivated, or channel deactivated
Red
Permissible measurement range
overrange/underrange, short circuit,
general error, wire break (for sensor types
“4 mA … 20 mA” and “3.6… 21 mA”)