Festo CTEU-PB Electronics Description page 79

2. Commissioning
2.9.2 Checklist before switching on
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English
Note
The configuration set at the master must agree with the
equipment actually connected at the bus node.
If there are deviations in the configuration, no data ex-
change takes place between master and bus node (BF-LED
flashes red slowly).
Observe the following instructions about switch-on beha-
viour:
Disconnect the operating voltage from the bus node be-
•
fore replacing equipment, as the configuration is retrans-
mitted from the master at the restart.
Equipment must already be connected to the bus node
•
before switch-on, or an error message will result and no
process data will be exchanged.
Special case, tool change mode (chap. 2.6.4):
•
In this case, any I-Port device is recognised without an
error message as long as the real process data size does
not exceed the configured size.
The following conditions must be fulfilled:
– DIL switch settings have been made (see chap. 1.4).
– Fieldbus connecting cables are connected (see chap. 1.5).
– Installation and configuration have been performed com-
pletely (see chap. 2.3 and 2.4).
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