Siemens CU230P-2 Instruções de Operação descarregar pdf (Página 162)

Configuring the fieldbus

6.3 Communication over CANopen

Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN

160 Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD

Not all of the parameters can be directly addressed via this range. This is the reason that in

CAN, an inverter parameter always comprises two parameters from the inverter; these are

the offset specified using parameter p8630[2] and the parameter itself.

● for all parameters < 9999 the following applies:

– p8630[2] = 0,

– Inverter parameters -> hex + 2000 hex

Example: For parameter p0010, 200A hex follows as object number in the SDO job

● for all parameters 9999 < 19999 the following applies:

– p8630[2] = 1,

– (inverter parameters - 10000) -> hex + 2000 hex

Example: For parameter p11000, 23E8 hex follows as object number in the SDO job

● for all parameters 19999 < 29999 the following applies:

– p8630[2] = 2,

– (inverter parameters - 20000) -> hex + 2000 hex

Example: For parameter r20001, 2001 hex follows as object number in the SDO job

● for all parameters 29999 < 39999, the following applies:

– p8630[2] = 3,

– (inverter parameters - 30000) -> hex + 2000 hex

Example: For parameter p31020, 23FC hex follows as object number in the SDO job

Selection, index range

Further, no more than 255 indices can be transferred in a CANopen object. This means that

additional CANopen objects must be created for parameters that have more indices. This is

realized using p8630[1]. It is possible to transfer a maximum of 1024 indices.

● P8630[1] = 0: 0 … 255

● P8630[1] = 1: 256 … 511

● P8630[1] = 2: 512 … 767

● P8630[1] = 3: 768 … 1023

Accessing CANopen objects and inverter parameters

● p8630[0] = 0: only accessing CANopen objects (SDO, PDO, ... )

● p8630[0] = 1: Access to virtual CANopen objects (inverter parameters)

● p8630[0] = 2: not relevant for G120 inverters

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Siemens CU230P-2 Instruções de Operação Página 162