WAGO-I/O-SYSTEM 750 XTR
Device Description 25
750-495/040-00x 3-Phase Power Measurement Module 690 V
Manual
Version 1.2.0
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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 5: Display Elements
The meaning of these indications is as follows:
Table 8: Legend for Figure “Display Elements”
LED
State Message
A
Off
No operational readiness or
the local bus communication is interrupted.
Note: If the watchdog was disabled, the LED is always
green. See section “Commissioning” > “Configuration
with WAGO-I/O-
CHECK
“.
Green Operational readiness and correct local bus
communication
B
Off
No error
Red General error message for L1:
Under-/overvoltage or overcurrent
C
Off
No error
Red General error message: Clipping of a current measuring
path IL1, IL2 or IL3
D
Off
No error
Red High measuring error, caused by undershooting the
nominal input voltage at L1, L2 or L3
E
Off
No error
Red General error message for L2:
Under-/overvoltage or overcurrent
F
Off
No error
Red General error message for L3:
Under-/overvoltage or overcurrent
G
Off
No error
Red General error message: Clipping of a voltage measuring
path L1, L2 or L3
H
Off
No error
Yellow Error of the phase sequence L1-L2-L3
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