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Fig. 19: Examples for impermissible configurations
12.5.4 Reviewing the valve zone conversion
Following the conversion of the valve zone, use the following checklist to de-
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termine whether you have complied with all rules.
• Have you mounted at least 4 valve positions after the first pneumatic supply
plate?
• Have you mounted a maximum of 64 valve positions?
• Have you integrated no more than 32 electrical components? Note that an
AV-EP pressure regulator corresponds to three electrical components.
• Have you mounted at least two valves after every pneumatic or electrical sup-
ply plate that marks the start of a new section?
• Have you always installed the valve driver boards to be in line with the base
plate limits, i.e.
– One base plate, 2x, is installed with one valve driver board, 2x,
– Two base plates, 2x, are installed with one valve driver board, 4x,
– One base plate, 3x, is installed with one valve driver board, 3x,
• Have you integrated no more than 8 AV-EPs?
If you have answered "Yes" to all these questions, you may proceed with the doc-
umentation and configuration of the valve system.
12.5.5 Conversion documentation
PLC configuration key
After a conversion, the PLC configuration key printed on the right end plate is no
longer valid.
1. Correct the PLC configuration key or cover it with a new label and write the
new PLC configuration key on the end plate.
2. Always document all changes to your configuration.
Mat. no.
After a conversion, the material number (MNR) on the right end plate is no longer
valid.
Mark the material number so that it is clearly visible that the unit no longer
u
corresponds to its original condition on delivery.
12.6 Conversion of the I/O Zone
12.6.1 Permissible configurations
No more than ten I/O modules may be connected to the bus coupler.
For further information on converting the I/O zone, see the system descriptions
of the individual I/O modules.
We recommend an expansion of the I/O modules starting from the left
end of the valve system.
12.6.2 Conversion documentation
The PLC configuration key is printed on the top of the I/O modules.
Always document all changes to your configuration.
u
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12.7 New PlC Configuration for the Valve System
Configuration error!
An incorrect valve system configuration can cause malfunctions in and dam-
age to the overall system.
1. The configuration may therefore only be carried out by an electrical special-
ist!
2. Observe the specifications of the system owner as well as any restrictions
resulting from the overall system.
3. Observe the documentation of your configuration program.
After converting the valve system, you need to configure the newly added com-
ponents.
In the PLC configuration software, adapt the lengths of the input and output
u
data to the valve system.
Because the data is transferred as a byte string and divided up by the user, the po-
sition of the data in the byte string will shift if an additional module is used. How-
ever, if you add a module at the left end of the I/O modules, with an output mod-
ule, only the parameter byte for the bus module will be shifted. With an input
module, only the diagnostic data will be shifted.
After converting the valve system, always make sure the input and output
u
bytes are still correctly assigned.
If you have exchanged components without changing their order, you do not
need to reconfigure the valve system. All components will be recognized by the
controller.
For the PLC configuration, proceed as described in section g 5. PLC Configu-
u
ration of the AV Valve System.
13 Troubleshooting
13.1 Proceed as Follows for Troubleshooting
1. Even if you are in a rush, proceed systematically and in a targeted manner.
2. In the worst case, arbitrary, indiscriminate disassembly and modifications to
the settings may mean that you are no longer able to determine the original
cause of the error.
3. Get an overview of the function of the product as related to the overall sys-
tem.
4. Try to clarify whether the product fulfilled the required function in the overall
system before the error occurred.
5. Try to record any changes to the overall system where the product is installed:
- Have changes been made to the operating conditions or area of application
of the product?
- Have changes (e.g. conversions) or repairs been made to the overall system
(machine/system, electrical system, controller) or the product? If so: What are
they?
- Has the product or machine been operated as intended?
- How does the malfunction manifest itself?
6. Try to get a clear picture of the cause of the error. If necessary, ask the imme-
diate machine operator or foreman.
13.2 Table of Malfunctions
Table 31 contains an overview of malfunctions, possible causes, and remedies.
If you cannot remedy a malfunction, please contact AVENTICS GmbH.
The address is printed on the back cover of these instructions.
Table 28: Table of malfunctions
Malfunction
Possible cause
No outlet pressure
No power supply on the bus cou-
at the valves
pler or the electrical supply plate
(see also the behavior of the indi-
vidual LEDs at the end of the table)
No set point stipulated
No supply pressure available
NOTICE
Remedy
Connect the power supply at plug
X1S on the bus coupler and to the
electrical supply plate.
Check the polarization of the
power supply on the bus coupler
and the electrical supply plate.
Switch on system component
Stipulate a set point
Connect the supply pressure
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