Industrial
Electronic Devices
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User Manual
EtherCAT Slave / J1939
Document code: MN67E16_ENG Revision 1.000 Page 20 of 28
RECEIVE FRAMES:
By pressing the “
Receive Frames
” button from the main window for SW67E16 (Fig. 2) the “Receive J1939 Frames” window appears (Fig.
5). The J1939 frames inserted in this table contains the data to write on EtherCAT side. These frames are accepted by the converter.
The data of the columns have the following meanings:
In the field “
Data Page
” the Data Page is defined, the value can be 0 or 1 (usually it is 0);
In the field “
PGN
” the PGN of the data of J1939 message is defined (it is an identifier);
In the field “
Source Address
” the address of the device that sends the frame is defined;
If the field “
Transport Protocol
” is checked, the frame use transport protocol functions (used to send more than 8 bytes);
In the field “
Start Byte
” the start byte of the J1939 message to map into the EtherCAT array is defined;
In the field “
N° Byte
” the number of bytes to save is defined;
If the field “
Cancel Data
” is checked, the data in the frame will be erased after the expiration of the “
TimeOut Data
” defined in
“Set Communication” section;
If the field “
On Request
” is checked, the converter will send the request for the selected PGN;
In the field “
Time (ms)
” the delay between the J1939 requests is defined;
In the field “
Mnemonic
” a brief description is defined.
Figure 5: “Receive J1939 Frames” window