Siemens Micromaster Profibus User Manual

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PROFIBUS Optional Board Operating instructions
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If alarms and faults occur on the PROFIBUS communication link, corresponding
alarm numbers are displayed on the converter (BOP/AOP).
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Table 7-2 Alarm displays on converter
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A700 Cause: The parameter or configuring settings by the PROFIBUS master are
invalid.
Remedy: Correct the PROFIBUS configuration
A702 Cause: The link to the PROFIBUS is interrupted.
Remedy: Check connector, cable and PROFIBUS master
A703
Cause: No setpoints, or invalid setpoints (control word = 0) are being
received from the PROFIBUS master
Remedy: Check setpoints from the PROFIBUS master. Switch SIMATIC CPU
to "RUN".
A704
Cause: At least one configured internode transmitter is not yet active, or has
failed.
Remedy: Activate internode transmitter.
A705 Cause: No actual values received from converter.
Remedy: None (fault is in converter)
A706 Cause: PROFIBUS-DP communication board: Software error.
Remedy: None (fault on the PROFIBUS-DP communication board, for details
see diagnostic parameter)
A710 Cause: Converter has detected failure of communication link to PROFIBUS-
DP communication board
Remedy: None (communication board may need to be replaced)
A711 Cause: Invalid value of a CB?? parameter.
Remedy: Check P0918 (PROFIBUS address) and P2041 (communication
board parameters)
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Table 7-3 Fault displays on converter
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A070
Cause: No setpoints received from PROFIBUS-DP communication board.
Triggered by A702/A703/A704.
The telegram failure time set in P2040 has run out.
Remedy: Check connection to communication partners and ensure valid
control word (see A702/A703/A704)

Siemens Micromaster Profibus Specifications

General

Brand	Siemens
Model	Micromaster Profibus
Category	Controller
Language	English