6 Starting operation
6.4 Configuration of the LioN-P
PROFINET I/O modules in STEP 7
Diagnostics or diagnostics levels can be enabled or disabled in the General
Diagnosis Settings folder.
The figure shows the default setting.
Attention:
"Report U
Aux
supply voltage fault" is disabled in the default
setting, to avoid diagnostic messages due to switching the supply
voltage on or off later on.
Fail Safe Value (DO-Mode)
The device supports a failsafe function for the channels used as digital
outputs. During configuration of the devices, the status of the outputs can be
defined after an interruption, or loss of communication on the PROFINET IO
network.
The following options can be selected:
D
Set Low - the output channel is disabled and/or the output bit set to
0
.
D
Set High - the output channel is enabled and/or the output bit set to
1
.
D
Hold last – the last output state is kept.
Figure 21: Fail safe value
Manual LioN-P PROFINET IO-Link Master
Version 2.1 10/2017
47