User's Manual

7ML19985FH04 SITRANS LR 400 – INSTRUCTION MANUAL Page 102
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Appendix VI
Extended Diagnostics
The last four bytes of the extended diagnostics message are as follows:
Acyclic Data
The SITRANS LR 400 supports up to three simultaneous connections by a class 2 Master
(C2 connection). It does not support Master class 1 (C1 connection). A list of all
parameters including address (slot and index), format, range of values, start value and
attributes are compiled in a document which is available on request. Contact Siemens
Milltronics Technical Publications at the following address: [e-mail]
Configuration Example:
To configure and use PROFIBUS PA with an S7-300/400 PLC
1. Import the GSD file SM_062A.GSD from the Siemens Milltronics Web site:
www.siemens.com/milltronics
into Step 7 software.
2. Add the SITRANS LR 400 “rack”: click and drag the SITRANS LR 400 folder from the
hardware catalog.
3. Fill the rack with desired modules, by dragging and dropping them from the
hardware catalog.
4. After configuring PROFIBUS PA in steps 2 and 3, download it to the PLC.
5. Add code to the PLC program to read data consistently using the SFC14.
Values in hex notation Description
0x01000000 Electronics failure
0x02000000 Mechanical failure
0x04000000 Motor Temperature
0x08000000 Electronics temperature too high
0x10000000 Memory cheksum error
0X20000000 Measurement failure
0X40000000 Not initialized properly
0x80000000 Initial calibration error
0x00010000 Zero error
0x00020000 Power supply failure
0x00040000 Configuration invalid
0x00080000 Warm Start
0x00100000 Cold Start
0x00200000 Maintenance required
0x00400000 Characterization invalid
0x00000080 More information available