ICP DAS USA tM-7565 User Manual page 31

The uart to can bus converter

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＊ The field "Sample Point" means the percent of the sampling position of one bit data of

the CAN message. The field "SJW" is the short for synchronization jump width. It is used

to solve the problem of the phase shift between clock oscillators of different CAN devices.

Generally, the sample point is set to close 87.5%, and the SJW is set to 1.

＊ Set CAN ID Filter: Click the button to pop up the configuration dialog of the CAN ID filter.

Users can use the acceptance code and acceptance mask to determine the accepted

CAN messages by CAN message IDs.

About how to calculate the Acceptance Code and the Acceptance Mask, please refer to

the Appendix D.

 Communication Configuration: It is used to set the communication mode of the CAN

converters. In normal mode, the UART interface of the CAN converters only accept the

command strings defined in the section 4. Any UART messages which don't follow the

command strings will be regard as wrong messages. When the CAN converters transfer the

CAN messages to UART interface, the CAN messages are presented by the command

strings. In pair connection mode, the CAN converters will transfer any UART message to the

data field of the CAN messages whose message ID are fixed and predefined by the utility tool.

It is useful for transparent applications or pair connection applications. The tM-7530, the

tM-7530A and the tM-7565 have an additional communication mode, "Listen Only" mode. In

this mode, the tM-7530, tM-7530A and the tM-7565 can only receive the CAN messages and

can't send any CAN signal (include CAN Error Frame and the change of the ACK field) to the

I-7530, I-7530-FT, I-7530A, I-7565, tM-7530, tM-7530A, tM-7565 User Manual Version 1.5

E-mail: service@icpdas.com

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