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WAGO-I/O-SYSTEM 750
Device Description 21
750-450 4 AI RTD
Manual
Version 1.2.0
3.3
Display Elements
Figure 5: Display Elements
Table 10: Legend for Figure “Display Elements”
Channel Designation LED State Function
1
R1 Status
1
OFF
Not ready for operation or no or disturbed
local bus communication, channel
deactivated
Green Ready for operation and undisturbed local
bus communication
R1 error
5
OFF No error and/or diagnostics deactivated,
or channel deactivated
Red Violation of upper/lower measuring range
limit, short circuit, wire break
2
R2 status
2
(see channel 1)
R2 error
6
(see channel 1)
3
R3 status
3
(see channel 1)
R3 error
7
(see channel 1)
4
R4 status
4
(see channel 1)
R4 error
8
(see channel 1)