Bfm #28] Node Address (Current Address); Bfm #29] Error Status; Bfm #30] Module Id Code; Bfm #35] Can Transmit Message Error Counter - Mitsubishi Electric MELSEC-F FX3U-J1939 User Manual

FX -J1939 User's Manual
3U
5.10

[BFM #28] Node Address (Current Address)

BFM #28 displays the current node address of the FX
claim an address, BFM #28 shows K254 (HFE).
Note
• No network communication can be executed until the FX
• If BFM #25 bit 4 is ON, the address in BFM #28 might change even in a running network when another
node with higher priority is added and claims the address currently used by the FX
• The FX -J1939 will also display HFE in BFM #28 if the current node address becomes invalid, due to an
3U
address conflict or a commanded address. If the address conflict can be solved or the commanded
address is successfully claimed, BFM #28 will show the new address. If the address conflict cannot be
solved, BFM #28 remains HFE and BFM #29 bit 9 is set to ON.
5.11

[BFM #29] Error Status

For further information on error status, refer to the following section.
5.12

[BFM #30] Module ID Code

Shows the module ID code K7180 of the FX
5.13

[BFM #35] CAN Transmit Message Error Counter

Displays the current value of the CAN transmit message error counter. The CAN transmit message error
counter counts up to K256.
Value
K0 to K95
K96 to K127
K128 to K255
K256
5.14

[BFM #36] CAN Receive Message Error Counter

Displays the current value of the CAN receive message error counter. The CAN receive message error
counter counts up to K128. However, when FX
Value
K0 to K95
K96 to K127
K128
K129 to K255
K256
5.15

[BFM #37] Baud Rate Display

Displays the current baud rate of the CAN Controller in units of 0.1 kbps.
-J1939 module.
3U
Description
Error active status
Error active status/Warning level
Error passive status
BUS-OFF status
3U
Description
Error active status
Error active status/Warning level
Error passive status
-
(The CAN receive message error counter is increased up to K128.)
BUS-OFF status
5.10 [BFM #28] Node Address (Current Address)
-J1939. Until the FX
3U
-J1939 owns a valid address.
3U
-J1939 is in BUS-OFF status, K256 is stored in this BFM.
5 Allocation of Buffer Memories
-J1939 is successfully able to
3U
-J1939.
3U
Refer to Section 12.2
1
2
3
4
5
6
7
8
9
10
41