74
Diagnostics
WAGO-I/O-SYSTEM 750
750-306 DeviceNet
TM
Fieldbus Coupler
Manual
Version 2.0.0
9
Diagnostics
9.1
LED Signaling
For on-site diagnostics, the fieldbus coupler has several LEDs that indicate the
operational status of the fieldbus coupler or the entire node (see following figure).
Figure 41: Display Elements
The diagnostics displays and their significance are explained in detail in the
following section.
The LEDs are assigned in groups to the various diagnostics areas:
Table 31: LED Assignment for Diagnostics
Diagnostics area
LEDs
Fieldbus status
• MS
- OVERFL
-RUN
• NS
-BUS OFF
-CONNECT
Node status
• I/O
Status Supply Voltage
• A (system supply)
• B (field supply)