S1-A-7001 EasySync, S1-A-7001 Datasheet - Page 19

• Manufacturer Part Number: S1-A-7001
• Description: RS-232 Interface IC 1 port RS232 Can Adapter
• Manufacturer: EasySync

Specifications of S1-A-7001

• Rohs: yes

4.1.10
Summary
Opens the CAN channel in Listen Only mode. This is essentially the same as Open, although
attempts to use either Transmit command (T or t) will result in an error.
useful for monitoring the CAN channel without interaction from the CAN bus. CAN channel must
be initiated with selected speed (S or s) prior to use of Listen.
When in Listen mode, the channel must first be Closed (C) and then opened with Open (O) prior
to attempting to transmit frames.
NOTE: A minimum of three nodes are required on the CANbus network for Listen mode to
function.
Definition
L<CR>
Parameters
None
Remarks
Example:
Open CAN channel in Listen Only mode
Received data is automatically sent from the CAN network to the controlling application.
Return Codes
<CR> = OK
<BELL> = ERROR
Open CAN Channel for Listen Only (L)
L<CR>
©2009-10 EasySync Ltd.
S1-A-7001 RS232 to 1-Port CANbus Adapter User Guide
Document Reference No.: ES_000008
Listen Only mode is
Clearance No.: ES #03
Version 1.2
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