ESD electronic CAN-CBM-PLC/331-1, Hardware Manual

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Commands and Parameters
esd Protocol for CAN Modules Rev. 3.2 3 - 27
Reply of the modules to the command 'request Tx activate time':
The reply of the activate time depends on the value of the received sub command.
The following table shows the information which the module transmits onto the CAN.
Sub
command
Activate time
for TxId
Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8
$00 TxId 1 $04 $00 tx_act1 - - - -
$01 TxId 2 $04 $01 tx_act2 - - - -
$02 TxId 3 $04 $02 tx_act3 - - - -
: : $04 : : - - - -
n TxId (n+1) $04 n tx_act(n+1) - - - -
(-) Byte is not transmitted
Table 3.5.4:
Transmitting the actual Tx activate times
Explanation of the bytes transmitted by the module:
Byte 1... The first byte always returns the contents of the received command byte
(here always $04).
Byte 2... The second byte returns the contents of the received sub command. The sub command
designates the selected identifier.
Byte 3,
Byte 4...
In these two cells the actual Tx activate time is returned (see also 'parameter 1 and 2').