[etherlab-users] Reading SDOs from Beckhoff EL6731 Profibus Master

[gha]

Hello

I want to read out the SDO Informations from a Beckhoff EL6731 Profibus 
Master with 3 connected Profibus Slaves.
The device is in OP-state and the IOs are working properly.
My problem is, that i can not read out the SDOs i have configured with 
the "ethercat -pX sdos -v" command.
I need this information to check the downloaded Profibus communication 
parameter and the Profibus DP bus parameter.

The output is:

SDO 0x1000, "Device type"
   0x1000:00, r-r-r-, uint32, 32 bit, "Device type"
SDO 0x1008, "Device name"
   0x1008:00, r-r-r-, string, 48 bit, "Device name"
SDO 0x1009, "Hardware version"
   0x1009:00, r-r-r-, string, 16 bit, "Hardware version"
SDO 0x100a, "Software version"
   0x100a:00, r-r-r-, string, 88 bit, "Software version"
SDO 0x1011, "Restore default parameters"
   0x1011:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x1011:01, rwrwrw, uint32, 32 bit, "SubIndex 001"
SDO 0x1018, "Identity"
   0x1018:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x1018:01, r-r-r-, uint32, 32 bit, "Vendor ID"
   0x1018:02, r-r-r-, uint32, 32 bit, "Product code"
   0x1018:03, r-r-r-, uint32, 32 bit, "Revision"
   0x1018:04, r-r-r-, uint32, 32 bit, "Serial number"
SDO 0x10f0, "Backup parameter handling"
   0x10f0:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x10f0:01, r-r-r-, uint32, 32 bit, "Checksum"
SDO 0x10f2, "Backup parameter storage"
   0x10f2:00, rwr-r-, octet_string, 32 bit, "Backup parameter storage"
SDO 0x1c00, "Sync manager type"
   0x1c00:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x1c00:01, r-r-r-, uint8, 8 bit, "SubIndex 001"
   0x1c00:02, r-r-r-, uint8, 8 bit, "SubIndex 002"
   0x1c00:03, r-r-r-, uint8, 8 bit, "SubIndex 003"
   0x1c00:04, r-r-r-, uint8, 8 bit, "SubIndex 004"
SDO 0x1c12, "RxPDO assign"
   0x1c12:00, rwr-r-, uint8, 8 bit, "SubIndex 000"
   0x1c12:01, rwr-r-, uint16, 16 bit, "SubIndex 001"
    ...
   0x1c12:7c, rwr-r-, uint16, 16 bit, "SubIndex 124"
   0x1c12:7d, rwr-r-, uint16, 16 bit, "SubIndex 125"
SDO 0x1c13, "TxPDO assign"
   0x1c13:00, rwr-r-, uint8, 8 bit, "SubIndex 000"
   0x1c13:01, rwr-r-, uint16, 16 bit, "SubIndex 001"
   ...
   0x1c13:83, rwr-r-, uint16, 16 bit, "SubIndex 131"
   0x1c13:84, rwr-r-, uint16, 16 bit, "SubIndex 132"
SSDO 0x1c32, "SM output parameter"
   0x1c32:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x1c32:01, rwrwrw, uint16, 16 bit, "Sync mode"
   ...
   0x1c32:1f, r-r-r-, type 0000, 0 bit, "SubIndex 031"
   0x1c32:20, r-r-r-, type 0001, 1 bit, "Sync error"
SDO 0x1c33, "SM input parameter"
   0x1c33:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0x1c33:01, rwrwrw, uint16, 16 bit, "Sync mode"
   ...
   0x1c33:1f, r-r-r-, type 0000, 0 bit, "SubIndex 031"
   0x1c33:20, r-r-r-, type 0001, 1 bit, "Sync error"
SDO 0xf000, "Modular device profile"
   0xf000:00, r-r-r-, uint8, 8 bit, "SubIndex 000"
   0xf000:01, r-r-r-, uint16, 16 bit, "Module index distance"
   0xf000:02, r-r-r-, uint16, 16 bit, "Maximum number of modules"
   0xf000:03, r-r-r-, uint32, 32 bit, "General Configuration Entries"
   0xf000:04, r-r-r-, uint32, 32 bit, "General Information Entries"
SDO 0xf008, "Code word"
   0xf008:00, rwrwrw, uint32, 32 bit, "Code word"

I miss the values for the 0x80xx and 0xf800 areas i configured with the 
ecrt_slave_config_complete_sdo()-function.
The function returns with success an the Profibus-communication is running.

Is it even possible to read out the dynamically configured sdos ?

Best regards
Günter Hammer

-- 
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Günter Hammer
Software-Ingenieur

IDS GmbH
E-PA - Entwicklung Prozess-Automatisierung
Nobelstr. 18
D-76275 Ettlingen
T +49 (0) 72 43/2 18-623
F +49 (0) 72 43/2 18-100

<mailto:guenter.hammer at ids.de>

http://www.ids.de
Geschäftsführer: Norbert Wagner, Friedrich Abriß
Sitz der Gesellschaft: Ettlingen
Amtsgericht Mannheim HRB 362503

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