Device Replacement; Replacing The Bus Node - Festo CTEU-DN Description, Functions And Maintenance

2. Installation and interfaces
2.3

Device replacement

2.3.1 Replacing the bus node

Festo P.BE-CTEU-DN-OP+MAINT-EN en 1206NH
To avoid connection and start-up errors, observe the follow-
ing instructions for replacing the bus node, the electrical con-
nection box CAPC... and the connected I-port device.
The configuration and parameterisation of the bus node and
the I-port device are not automatically restored when the bus
node is replaced, e.g. for a service event. Observe the follow-
ing instruction.
1. Check before replacement whether the PLC or the higher-
order system has saved the settings and the settings have
been downloaded.
2. If not, verify which settings are required before replace-
ment, and restore these settings after replacement.
3. Switch off the power supply to the bus node.
4. Dismounting / mounting the bus node
5. Connect all devices prior to switching on the CTEU bus
node, otherwise there will be no process data (
Section 3.1.2 regarding the requirements for start-up).
6. Switch the power supply to the bus node back on.
7. Download the settings or restore the required settings.
Section 2.1.
see also
2-17