Jetter JC-120MC, Руководство пользователя

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548 Jetter AG
10 Programming
Meaning of the individual bits
Bit 3
Sending error
1 = An error has occurred when sending a CAN message from this
message box.
Module register properties
Type of access Read
Takes effect When the CAN-Prim interface is enabled
Box command register
R 200 message box number *20 is used to transfer certain
commands to the message box.
CAN-Prim interface - Commands
1
Enabling the message box
The message box is enabled. When enabling the message box, the system
checks whether the CAN-ID of the message box has been reserved by the
JX2 system bus or not.
Result, if the CAN-ID has not been reserved:
Bit 0 = 1 in R 200 message box number *20
2 Disabling the message box
The message box is disabled.
Result:
Bit 0 = 0 in R 200 message box number *20
3 Sending CAN messages
A CAN message is sent.
4 Clearing the NEW DAT bit
Clears bit 1 NEW-DAT in R 200 message box number *20.
The message box is able to receive CAN messages again.
Result:
Bit 1 = 0 in R 200 message box number *20
If for all message boxes the NEW DAT bit is 0, bit 1 = 0 in R 200010500.
5 Clearing the OVERRUN bit
Clears bit 2 OVERRUN in R 200 message box number *20 of the
message box.
Result:
Bit 2 = 0 in R 200 message box number *20
6 Clearing the sending error bit
Clears bit 3 Transmit error in R 200 message box number *20 of
the message box.
Result:
Bit 3 = 0 in R 200 message box number *20
R 200 message
box number *20