WAGO-I/O-SYSTEM 750
Diagnostics 123
750-806 Fieldbus Controller DeviceNet
TM
Manual
Version 2.0.0
Table 53: Blink Code Table for the I/O LED Signaling, Error Code 11
Error code 11: “Error in I/O modules with mailbox functionality”
Error
Argument
Error Description
Remedy
1
Too many I/O
modules with
mailbox functionality
are plugged in
1. Reduce the number of mailbox modules.
Please note the firmware version.
The fieldbus controller with firmware version 11 supports 3 I/O
modules with mailbox functionality.
Firmware version 12 supports 8 I/O modules with mailbox
functionality.
Note process image size limit!
Please note the process image size limit when configuring a node with
analog input/output modules and I/O modules that have mailbox
functionality.
Depending on the overall configuration of all I/O modules of a node, the
maximum number of object directory entries may be exceeded in some
cases.
2
Maximum mailbox
size exceeded
1. Reduce the size of the mailbox.
3
Maximum PA size
exceeded due to
connected I/O
modules with
mailbox functionality
1. Reduce the data width of I/O modules with mailbox
functionality.
10.1.2.1 USR LED
The bottom indicator LED (“USR”) is provided for visual output of information.
Control of the LED from the application program is conducted using the functions
from the WAGO-I/O-
PRO
library “Visual.lib”.
