User`s manual

3-8 Series 90™-30 CPU with Embedded PROFIBUS Interface – November 2004 GFK-2334A
3
Parameters Sub-Tab of Network Tab
Token Retry
The number of times the PROFIBUS master tries to pass the token before deciding that a station
is not there.
Token Error
The maximum number of errors in 256 token cycles.
Response Error
The maximum number of message failures in 16 successive messages.
Gap Update
Factor
The number of token rotations between solicitations for a new PROFIBUS master card.
Message Retry
The maximum number of times the PROFIBUS master tries to send a message when the slot time
expires.