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3. Implementation of the communication option cards
3. 5. 3. Configuring the drive in "ATV38 Interchangeability" mode
The Profibus protocol operates according to the principle of exchanging periodic data.
In order to use the output data and input data from Altivar 38 cyclic exchanges, rather than those from Altivar 61, you need to set switch 1
to the ON position and restart the drive. This also enables the card to identify itself as an Altivar 38 (Ident_Number= 0x00B9) when the bus
module is turned on.
Configuring the drive control mode
Check and configure the control mode applied to the drive in the [1.6 - COMMAND] (CtL-) menu on the graphic display terminal, the
integrated display terminal or the PowerSuite software workshop.
[Profile] (CHCF) = [8 serie] (SE8)
3. 5. 4. PLC configuration and application
In "ATV38 Interchangeability" mode, the Altivar 61’s PKE, R/W and R/W/N parameters are adapted in order to make the PKW service
compatible with the Altivar 38’s parameters. There is, therefore, no need to change the application GSD file.
3. 5. 5. Communication fault
Profibus communication faults are indicated by the red RD LED on the card.
Parameter
[Network fault] (CnF-) can be used to obtain more detailed information about the origin of the fault. It can only be accessed
on the graphic display terminal, in the
[1.10 DIAGNOSTICS] (dGt-) menu, [MORE FAULT INFO] (AFI-).
• Switch 0 (OFF) : Altivar 61 mode
• Switch 1 (ON) : Altivar 38 Interchangeability mode
Value Description of the values of the [Network fault] (CnF-) parameter
0 No fault
1 Time out for receipt of periodic variables destined for the drive. This time out can be set by the network configuration software.
2 Identification fault between the drive Profibus card and the Profibus master
3 Initialization fault on the drive Profibus card (hardware problem)