Devicenet Tm Fieldbus Coupler; Diagnostics; Led Signaling; Figure 41: Display Elements - WAGO DeviceNet 750-306 Manual

74

Diagnostics

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
Status Supply Voltage
Fieldbus status
Node status
750-306 DeviceNet
LEDs
• MS
- OVERFL
-RUN
• NS
-BUS OFF
-CONNECT
• I/O
• A (system supply)
• B (field supply)
WAGO-I/O-SYSTEM 750
TM
Fieldbus Coupler
Manual
Version 2.0.0