Figure 43: Display Elements; Table 52: Led Assignment For Diagnostics - WAGO 750-325 Manual

96 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 43: 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 52: LED Assignment for Diagnostics

Diagnostics area
Fieldbus status
Status Supply Voltage
Manual
Version 2.0.1
Node status
750-325 CC-Link Fieldbus Coupler
LEDs
• L RUN
• L ERR
• SD
• RD
• I/O
• A (system supply)
• B (field supply)
WAGO-I/O-SYSTEM 750