WAGO-I/O-SYSTEM 750
Device Description
17
750-492 2AI 4-20mA Differential Input
Manual
Version 1.1.0
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3.3
Display Elements
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Figure 4: Display Elements
Table 5: Legend for Figure “Display Elements”
Channel Designation LED State Function
1
Function
AI 1
A
Off Not ready for operation or no or
disturbed internal bus communication
Green Operational readiness and trouble-free
internal data bus communication
Error
AI 1
B
Off Normal operation
Red
Overrange/underrange of the
admissible measuring range, broken
wire
2
Function
AI 2
C
Off Not ready for operation or no or
disturbed internal bus communication
Green Operational readiness and trouble-free
internal data bus communication
Error
AI 2
D
Off Normal operation
Red
Overrange/underrange of the
admissible measuring range, broken
wire
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3.4
Operating Elements
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The I/O module 750-492 has no operating elements.
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