Parker EME
Communication
192-120100 N16 C3I10T10 - December 2010
timeout period between 2 codes received is fixed to 5ms (5 times the code time at
9600Baud)
Write object - WrObj telegram
0xCX
n Index(Hi) Index(Lo) Subindex Value 0x.. 0x..
Describing an object by a value.
Positive acknowledgement - Ack-telegram
0x06 1 0 0 0x.. 0x..
Answer from Compax3 if a writing process was successful, i.e. the function could
be executed and is completed in itself.
Negative acknowledgement - Nak - telegram
0x07 1 F-No.(Hi) F-No.(Lo) 0x.. 0x..
Answer from Compax3 if access to the object was denied (e.g. function cannot be
executed at that point in time or object has no reading access). The error no. is
coded according to the DriveCom profile resp. the CiA Device Profile DSP 402.
Read object - RdObj - telegram
0xAX
n Index1(Hi) Index1(Lo) Subindex1 Index2(Hi)
Index2(L
o)
Subindex2 ... ... 0x.. 0x..
Reading one or several objects
Answer - Rsp - telegram
0x05 n Value1 Value 2 Value 3 Value .. Value n 0x.. 0x..
Answer from Compax3 if the object can be read.
If the object has no reading access, Compax3 answers with the Nak - telegram.
Reading object "StatusPositionActual" (o680.5):
Request: A5 03 02 02 A8 05 E1 46
Response: 05 05 FF FF FF FF FE 2D 07 B4
Writing into an Array (o1901.1 = 2350)
Request: C5 02 08 07 6D 01 00 09 2E 00 00 00 95 D5
Response: 06 01 00 00 BA 87
Checksum calculation for the CCITT table algorithm
The block securing for all codes is performed via the following function and the
corresponding table:
The “CRC16” variable is set to “0” before sending a telegram.
To Next Page
Loading...
Need help?
General
