PROFIBUS I&M Function Access Library

Übersicht:

I&M Function Access for PROFIBUS PA and DP-V1

This software library contains the access mechanism and state machine for identification and maintenance functions used in PROFIBUS PA and DP-V1 slave devices. The access is based on read/write service directed to index 255, which has not been used so far in IEC 61158.

Technische Daten:

General I&M parameter access, usable for all PA and DP-V1 devices (Profiles)
Encoding of services
Support of state machine call service according to IEC 61158
Complying to PROFIBUS Profile I&M functions Rev 1.1.
Complying to amendment 3 to PROFIBUS PA Profile for Process Control Devices V3.0 Rev. 1
ANSI-C
Documented source code
Compatible with all kinds of PROFIBUS PA and DP-V1 stacks
Example code
Independent of type of microcontroller used

Technology:

The main purpose of the I&M functions is to support the end user during various scenarios of a device’s life cycle, e.g. configuration, parameterization, diagnosis, repair or audit trail. I&M functions are mandatory for all PROFIBUS slaves using MS1/MS2 channel for which a new Ident number is assigned. This obligation is for slave devices which are tested for certification after October 1st, 2005.