Danfoss MCD 600 User Manual

5 PROFIBUS Diagnostic Telegram and Flag
5.1 Diagnostic Telegram Structure
The PROFIBUS Card supports external diagnostics. The following telegram is sent to the Master if the soft starter trips or if a parameter
is changed at the soft starter.
Byte Detail
0 User diagnostic length (always set = 3)
1 Trip code
2 Changed parameter number
5.1.1 PROFIBUS Trip Code
When the soft starter trips, a diagnostic flag is set at the Master and the trip code is reported in byte 1. When the soft starter is reset, the
diagnostic flag and trip code data are reset = 0, if the trip condition does not still exist (see 4.5 Trip Codes).
5.1.2 Changed Parameter Number
If a parameter number is changed via the LCP, the affected parameter number is reported in byte 2. When the Master reads or writes
the changed parameter, byte 2 is reset = 0.
A changed parameter number does not set a diagnostic flag.
PROFIBUS Diagnostic Telegram and Flag
Installation Guide | PROFIBUS Card
AQ277154583779en-000101 / 175R1181
16 | Danfoss A/S © 2018.09

Danfoss MCD 600 Specifications

General

Brand	Danfoss
Model	MCD 600
Category	Controller
Language	English