Siemens SIMATIC ET 200S - Diagnostics Using STEP 5 and STEP 7

Commissioning and Diagnostics
6-25
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
6.1.6 Diagnostics using STEP 5 and STEP 7
In chapter Description Page
6.1.6.1 Reading Diagnostics Data 6-25
6.1.6.2 Structure of slave diagnostic data 6-29
6.1.6.3 Station Status 1 to 3 6-31
6.1.6.4 Master PROFIBUS Address 6-33
6.1.6.5 Manufacturer’s ID 6-33
6.1.6.6 ID-related diagnostics 6-34
6.1.6.7 Module status 6-36
6.1.6.8 Channel-specific diagnostics 6-38
6.1.6.9 Interrupts 6-48
6.1.6.10 Diagnostics in the case of invalid ET 200S configuration states on
the PROFIBUS DP
6-56
Slave diagnostics
The slave diagnosis complies with IEC 61784-1:2002 Ed1 CP 3/1. Depending on
the DP master, it can be read out with STEP 5 or STEP 7 for all DP slaves that
comply with the standard.
The reading out and structure of the slave diagnosis is described in the following
sections.
6.1.6.1 Reading out the diagnosis
Length of the diagnostic message frame
• The maximum message frame length for the ET 200S is as follows:
-- IM151-1 BASIC: 43 bytes
-- IM151-1 STANDARD, IM151-1 FO ST ANDARD, IM151-1 HIGH FEATURE
(DPV0 operation): 64 bytes
-- IM151-1 STANDARD, IM151-1 FO ST ANDARD
(DPV1 operation): 110 bytes
-- IM151-1 HIGH FEATURE
(DPV1 operation): 128 bytes
• The minimum frame length is
-- 6 bytes (module diagnosis, module status, and channel-specific diagnosis
blocked by parameter assignment).