Siemens SINAMICS G120 Operating Instructions Manual page 192

Service and maintenance
7.7 Troubleshooting with the PROFIBUS DP
Table 7-2
Alarm
Number
A0700
A0702
A0703
A0704
A0705
A0706
A0710
A0711
F0070
Identification of the communications components
The read-only parameter r2053 shows the information by which the various firmware
components of the PROFIBUS DP interface can be identified.
Table 7-3
Parameter
r2053.00
r2053.01
r2053.02
r2053.03
r2053.04
7-10
Alarm numbers, cause and remedy
Meaning
Cause The parameter or configuring settings by the PROFIBUS master are
invalid.
Remedy Correct the PROFIBUS configuration
Cause The link to the PROFIBUS is interrupted.
Remedy Check connector, cable and PROFIBUS master.
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".
Cause At least one configured internode transmitter is not yet active, or has
failed.
Remedy Activate internode transmitter.
Cause No actual values received from inverter.
Remedy None (fault is with the inverter).
Cause PROFIBUS DP software error.
Remedy None diagnostic parameter r2041.
Cause Inverter has detected failure of PROFIBUS communications link.
Remedy Communication interface on Control Unit may be broken.
Cause Invalid value of PROFIBUS parameter.
Remedy Check P0918 address and P2041.
Cause No communication via PROFIBUS. Triggered by A0702, A0703 and
A0704. The telegram failure time set in P2040 has run out. Details see
section "Faults and Alarns" in the Parameter List.
Remedy Check connection of the communication devices and ensure that a
valid control word is being used.
Identification of communications firmware
Meaning
0: Inverter cannot identify the communications interface
1: PROFIBUS DP detected
2: Not assigned
56: Undefined communications error
Firmware version
Constant "0"
Firmware date (year)
Firmware date (day and month)
Operating Instructions, 11/2006, A5E00766042B AA
Control Units CU240S