Table 250: Diagnostics Bf And Dia Led - WAGO I/O SYSTEM 750 Manual

380 Diagnostics

Table 250: Diagnostics BF and DIA LED

Status
BF-
LED
Off
Green
Green,
flashing
Off
Red
Green
Red,
flashing
Red
BF-LED signal in STOP state
In the STOP state the BF-LED illuminates red continuously. The DIA-LED
continues to indicate the last operating state.
Explanation
DIA-
LED
PROFIBUS DP not
Off
installed
Bus active;
No PROFIBUS errors;
Green
No diagnostic
operations pending
Init. phase:
Configuration
Green accepted, PROFIBUS
waiting for application
to be enabled.
Red, Internal system error
flashing
A slave with pending
Red, diagnostic operations is
flashing present in the
PROFIBUS system.
Bus communications
Red problem with at least
one slave
Bus communications
Red problem with all slaves
750-8208 PFC200 CS 2ETH RS CAN DPM
Remedy
---
---
---
Restart the device.
Perform subscriber diagnosis with
the function block
WAGO_DiagGetState from the
library WAGO_BusDiag_01.lib.
Check wiring.
Check whether the affected slave is
present on the bus and active.
Check wiring.
Check whether PROFIBUS
connector is connected.
Version 1.1.0, valid from FW Version 02.06.20(09)
WAGO-I/O-SYSTEM 750
Manual