How To Access Fc 300 Parameters; Service Data Objects (Sdo) - Danfoss FC 300 Manual
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Also See for FC 300:
- Design manual (309 pages) ,
- Programming manual (234 pages) ,
- Operating instructions manual (100 pages)
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FC 300 CANopen
How to Access FC 300 Parameters
Service Data Objects (SDO)
FC 300 parameters can be accessed by Service Data Objects, SDOs. The SDOs are used for
communicating non-time-critical data.
Structure of SDO COB-ID entry
Unsigned32
MSB
bits
31
11-bit-ID
0/1
29-bit-ID
0/1
Description of SDO COB-ID entry
Bit number Value
0
31(MSB)
1
0
30
0
29
1
0
28-11
X
X
10-0 (LSB)
An SDO is only valid if both SDO-valid-bits are 0. Bit 29 may be static (not changeable) e.g. due to
hardware restrictions.
30
29
28-11
0
0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0
0
1
29-bit Identifier
Meaning
SDO valid
SDO not valid
Reserved (always 0)
11-bit ID (CAN 2.0A)
29-bit ID (CAN 2.0B)
If bit 29=0
If bit 29=1: bits 28-11 of 29-bit-COB-ID
Bits 10-0 of COB-ID
MG.33.J1.02 VER. 050301 – VLT is a registered Danfoss trademark
LSB
10-0
11-bit Identifier
39
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