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Configuring the fieldbus
6.3 Communication over CANopen
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
162
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
The structure of this communication and mapping parameter is listed in the following tables.
Table 6- 46 PDO communications parameter
RPDO: 1400h ff (p8700 … 8707), TPDO: 1800h ff (p8720 … p8727 )
Subindex
Name
Data type
Parameter index
(inverter)
00h
Highest subindex that is supported
UNSIGNED8
---
01h
COB ID
UNSIGNED32
0
02h
Transfer mode
UNSIGNED8
1
03h
Inhibit time (only for TPDO)
UNSIGNED16
2
04h
Reserved (only for TPDO)
UNSIGNED8
3
05h
Event timer (only for TPDO)
UNSIGNED16
4
Table 6- 47 PDO mapping parameter
RPDO: 1600h ff (p8710 … 8717), TPDO: 1A00h ff (p8730 … p8730)
Subindex Name
Data type
Parameter
index (inverter)
00h
Number of objects mapped to the PDO (max. 4)
UNSIGNED8
---
01h
First mapped object
UNSIGNED32
0
02h
Second mapped object
UNSIGNED32
1
03h
Third mapped object
UNSIGNED32
2
04h
Fourth mapped object
UNSIGNED32
3
For process data objects, the following transfer types are available, which you set in index 1
of the communication parameter (p8700 … p8707 / p8720 … p8727) in the inverter.
●
Synchronous cyclic (index 1: n = 1 … 240) - for TPDO (Transmit PDO) and RPDO
(Receive PDO):
–
TPDO is sent after each nth SYNC
–
RPDO is received after each nth SYNC
●
Synchronous acyclic (index 1: 0) - for TPDO
–
TPDO is sent if a SYNC is received and a process data has changed in the telegram.
●
asynchronous cyclic (index 1: 254, 255 + event time) - for TPDO
–
TPDO is sent if process data has changed in the telegram.
●
asynchronous acyclic (index 1: 254, 255) - for TPDO and RPDO
–
TPDO is sent if process data has changed in the telegram.
–
RPDO is directly accepted when it is received.
Содержание SINAMICS G120 CU230P-2
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