Lenze E94AYCCA - Manual (Page 72)

E94AYCCA communication manual (CANopen®)
Parameter data transfer
Examples for a parameter data telegram
72
L
EDS94AYCCA EN 5.0 - 06/2012
Telegram 2 to the drive: Request of the 1st data block
Response telegram 2 from the drive: Send 1st data block
Identifier User data
1st byte 2nd byte 3rd byte 4th byte 5th byte 6th byte 7th byte 8th byte
Command Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7
0x060C 0x60 0x00 0x00 0x00 0x00 0x00 0x00 0x00
Explanations of the telegram to the drive
Command
= 0x60 = "Read Segment Request" (request: read data block)
• Bit 4 = 0 (toggle bit)
Influence of the toggle bit to the request command
The individual blocks are toggled successively, i.e. first the request with command "0x60" is
effected (= 0110*0000
bin
), then command "0x70" (= 0111*0000
bin
), then "0x60" again, etc.
* Toggle bit
Identifier User data
1st byte 2nd byte 3rd byte 4th byte 5th byte 6th byte 7th byte 8th byte
Command Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7
0x058C 0x00 0x30 0x31 0x2E 0x30 0x30 0x2E 0x30
0
asc
1
asc
.
asc
0
asc
0
asc
.
asc
0
asc
Explanations of the telegram to the drive
Command
= 0x00 = 00000000
bin
• Bit 4 = 0 (toggle bit)
Influence of the toggle bit to the transmission command
• The first response of the controller in the command byte is "0x0000*0000
bin
" if bytes 2 ... 8
are completely occupied by data and further telegrams are following.
• The second response of the controller in the command byte is "0x0001*0000
bin
" if
bytes 2 ... 8 are completely occupied by data and further telegrams are following, etc.
* Toggle bit
Data 1 ... 7 = "01.00.0" (ASCII representation)