Setting Diagnostic Messages - Aventics PROFIBUS DP Mode D'emploi

Tab. 12: S3 mode switch for sending diagnostic messages to the master
1)
Switch Diagnosis
S3.1 Valve driver overload
Digital output overload
S3.2 Low voltage U
S3.3 Low voltage U
S3.4 EMERGENCY OFF U
S3.5 EMERGENCY OFF U
S3.6 Sensor supply overload
1)
If the switch is ON, the respective diagnostic message will be displayed on the bus.
AVENTICS | PROFIBUS DP | R499050016–BDL–001–AE

7.1.3 Setting diagnostic messages

The S3 mode switch used to set the diagnostic messages is
located under PG fitting A (see Fig. 8 on page 102).
When delivered, all switches are set to the OFF position.
The S3.8 switch is not assigned.
O
Set the necessary diagnostic messages using the S3 mode
switch (see Table 12).
The modified switch position will only be activated after a
new "Power-on".
Notes
The diagnostic message is displayed if a valve or digital output
on an 8DO module reports an overload or short circuit. This
diagnostic message is only displayed as long as this valve or
output is controlled.
In order to ensure safe switching, the switch voltage must be
Q1
18 V! If the U
Q2
is too low.
The low voltage message appears approx. 10 ms after being
turned on and approx. 20 ms after being turned off.
If the voltage drops below 12 V, an EMERGENCY OFF message
Q1
is triggered.
Q2
Commissioning and Operation
voltage is between 12 V and 18.5 V, the voltage
Q
103