114 Diagnostics
WAGO-I/O-SYSTEM 750
750-806 Fieldbus Controller DeviceNet
TM
Manual
Version 2.0.0
10
Diagnostics
10.1
LED Signaling
For on-site diagnostics, the fieldbus controller has several LEDs that indicate the
operational status of the fieldbus controller or the entire node (see following
figure).
Figure 60: 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 41: LED Assignment for Diagnostics
Diagnostics area
LEDs
Fieldbus status
• MS
- OVERFL
-RUN
• NS
-BUS OFF
-CONNECT
Node status
• I/O
• USR
Status Supply Voltage
• A (system supply)
• B (field supply)