NORD Drivesystems BU0020 - Manual (Page 96)

PROFIBUS DP – Supplementary manual options for NORD - Frequency Inverters
96 BU 0020 GB-2612
reference data only begins once the correct device types have been connected to the correct station
addresses on the bus and have been recognised by the master.
The ident numbers for Profibus modules from Getriebebau NORD are as follows:
7531
hex
all Profibus modules for the device series in this manual
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10.3 PROFIDRIVE Standard Parameters
The following parameters defined by the PROFIDRIVE profile are implemented in the PROFIBUS
module:
PNU Explanation
918 Address of participant
927 Control authority PKW (always 1, i.e. PROFIBUS interface)
947 Error number: The actual error number is saved in this parameter.
965 Profile number (3.0)
967 Control word
968 Status word
970 Load data set
If the value of this parameter is set to 1 a factory setting is used and all change bits are set to 0.
971 Transfer to the non-volatile memory (always performed automatically)
These parameter numbers are not mapped.
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10.4 Consistent data transfer
A PLC can normally only consistently transfer double words by means of I/O memory access. For
longer data formats (PKW channel always / PZD data with PPO2 or PPO4) system functions (e.g.
SFC 14, consistent data reading / SFC15, consistent data writing) must be used.
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