WAGO-I/O-SYSTEM 750
750-491 1AI DMS
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3.3
Display Elements
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Figure 4: Display elements750-491
Table 6: Legend for the "Display Elements" Figure750-491
Chann
el
1
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3.4
Operating Elements
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The I/O module 750-491 has no operating elements.
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Manual
Version 1.2.0
Designation LED
Function
A
UD
Error
W
UD
Function
C
Uref
Error
D
Uref
State
Function
Not ready for operation or no or
OFF
interrupted internal bus communication
Ready for operation and uninterrupted
Green
internal bus communication
OFF
Normal operation
Bridge voltage U
Red
break
Not ready for operation or no or
OFF
interrupted internal bus communication
Ready for operation and uninterrupted
Green
internal bus communication
OFF
Normal operation
Red
Supply voltage U
Device Description
out of range or wire
D
out of range
ref
17