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User Manual
S7comm / CAN
Document code: MN67623_ENG Revision 1.000 Page 23 of 30
SEND FRAMES:
By pressing the “
Send Frames
” button from the main window for SW67623 (Fig. 2) the “Send CAN frames” window appears (Fig. 6).
The COB inserted in this table contains the data received from S7comm side. These frames are sent by the converter.
The data of the columns have the following meanings:
If the field “
Enable
” is checked, the CAN frame is enabled;
In the field “
Cob-ID
” the COB of the CAN frame is defined;
In the field “
Type
” the type of CAN packet use for this Cob-ID is defined (2.0A (11 bits) or 2.0B (29 bits));
In the field “
Dimension
” the number of byte of the COB (from 1 to 8) is defined;
If the field “
OnChange
” is checked, the frame is sent when the data from S7comm change;
If the field “
OnCMD
” is checked, the frame is sent when a S7comm response is received;
If the field “
OnTimer
” is checked, the frame is sent cyclically with the delay defined in the field “
Time
” (expressed in ms);
In the field “
Byte1
” insert the byte of the internal memory array where taking 1st byte of the CAN message;
In the field “
Byte2
” insert the byte of the internal memory array where taking 2nd byte of the CAN message;
In the field “
Byte3
” insert the byte of the internal memory array where taking 3rd byte of the CAN message;
In the field “
Byte4
” insert the byte of the internal memory array where taking 4th byte of the CAN message;
Figure 6: “Transmit CAN Frames Set Access” window