Display Elements; Figure 4: Display Elements; Table 7: Legend For Figure "Display Elements - WAGO 750-494 Series Manual

WAGO-I/O-SYSTEM 750
750-494 3-Phase Power Measurement Module
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3.3

Display Elements

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LED A indicates the operating status, LEDs B ... H indicate possible errors.

Figure 4: Display Elements

The meaning of these indications is as follows:

Table 7: Legend for Figure "Display Elements"

LED
A
B
C
D
E
F
G
H
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Manual
Version 1.2.0
State Message
No operational readiness or
the internal data bus communication is interrupted.
Off Note: If the watchdog was disabled, the LED is always
green. See section "Commissioning" > "Configuration
with WAGO-I/O-CHECK".
Operational readiness and correct internal data bus
Green
communication
Off No error
General error message for L1:
Red
Under-/overvoltage or overcurrent
Off No error
General error message: Clipping of a current measuring
Red
path IL1, IL2 or IL3
Off No error
High measuring error, caused by undershooting the min.
Red
voltage at L1, L2 or L3
Off No error
General error message for L2:
Red
Under-/overvoltage or overcurrent
Off No error
General error message for L3:
Red
Under-/overvoltage or overcurrent
Off No error
General error message: Clipping of a voltage measuring
Red
path L1, L2 or L3
Off No error
Yellow Error of the phase sequence L1-L2-L3
Device Description 19