General Instructions For Parametrisation At The Devicenet - Festo CDVI-DN Manual

2. Startup

2.2.4 General instructions for parametrisation at the DeviceNet

2-10
The following steps are required for parameterisation,
depending on the configuration program, after the station
properties have been configured (e. g. by installing the
EDS file).
1. Insert the station in the project/network (online or
offline). If the station is inserted offline, for example,
it is selected from the station list and added to the net-
work.
2. Assign the station to a scanner. A network may contain
several scanners. The station must be assigned to a
scanner.
3. Define the I/O parameters of the station. The following
details are required here:
Number of I/O bytes to be transferred. For the
•
CDVI-DN, the number depends on the connected ex-
tensions (see section 1.5):
- 1...3 input bytes occupied
- 1...5 output bytes occupied
Tab. 2/1 shows the assignment.
Specification of the communication type. The follow-
•
ing applies to the CDVI-DN:
- "Polled communication"
or
- "Change of state / cyclic"
Assign the I/O addresses of the station to the PLC
•
operands.
Assign the status byte to the PLC operands.
•
4. Load the configuration into the scanner.
Festo P.BE-CDVI-DN-EN en 0805a