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Detailed Description of the Module
3.6
Buffer Memory Details: Layer 2 Message Mode
In Layer 2 Message mode it is possible to transmit and receive Layer 2 CAN messages with 11-Bit or 29-
Bit identifier. To activate this mode, write the value "11" or "29" into Un\G21 and the value "1" to
Un\G22. Then switch Y(n+1)F ON to store the buffer memory configuration and restart the module.
NOTES
All CANopen€ Functions are deactivated in Layer 2 Message mode.
The buffer memory addresses Un\G20, 24, 25, 29, 35, 36 and the CIF (command interface) have the
same function like in the CANopen Mode (except CANopen specific functions).
The buffer memory addresses of the Emergency Message Buffer and the Heartbeat/Node
Guarding Status are not active.
3.6.1
Message Slot specific error code list (Un\G5001–Un\G5042)
The Message Slot specific error code list contains an error for each message slot.
Address
(Decimal)
5001
5002
:
5042
Error code
0000
2000
3 – 32
Description
Message 1 error code
Message 2 error code
:
Message 42 error code
Description
No error code
H
Receive buffer overflow
H
Buffer Memory Details: Layer 2 Message Mode
Tab. 3-28:
Allocation of the buffer memory addresses
Un\G5001 to Un\G5042
Tab. 3-29:
Error code in Layer 2 messages
MITSUBISHI ELECTRIC
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