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FX
-J1939 User's Manual
3U
Setting Value
K128 to K206
K128 to K207
K0 to K127
K208 to K247
K248 to K253
K254
K255
*1.
The maximum dynamic address depends on the industry group.
For further information on industry groups, refer to following section.
Industry Group
0
1
2 to 5
Node address range, State and Industry group
The relation between Node address range, State, and Industry group is as follows.
Node Address Range
128 to 207 (H80 to HCF)
208 to 247 (HD0 to HF7)
128 to 160 (H80 to HA0)
161 to 247 (HA1 to HF7)
0 to 84 (H00 to H54)
85 to 127 (H55 to H7F)
248 to 253 (HF8 to HFD)
254, 255 (HFE, HFF)
*1.
Recommended industry group
*2.
Other industry groups for reference
States
Dynamic:
The address range is available for dynamic node address assignment (arbitrary address
assignment)
Assigned:
The Address is assigned to a certain application or ECU type
Reserved:
The Address is reserved for further use by the SAE
40
State of BFM #25 bit 2
When the current address of the FX
by a node with a higher priority, the FX
ON
If node address is increased beyond the maximum dynamic address
J1939 sets BFM #29 bit 1, and stores HFE ("can not claim" address) in BFM #28.
If the FX
Even if the address is in the "dynamic" address range, the FX
to claim another address if a node with higher priority claims the address set in
BFM #27.
OFF
If the FX
from a node with higher priority, the FX
HFE ("can not claim" address) in BFM #28.
FX
3U
However, these node addresses are reserved by SAE or assigned to certain
-
functions within the network. If using these node address, see the Caution in
this section.
"can not claim". Invalid setting.
-
"broadcast" address. Invalid setting.
Maximum Address
Not define any dynamic addresses
K160
K207
State
Dynamic
Assigned/Reserved
Dynamic
Assigned/Reserved
Assigned
Reserved
Assigned/Reserved
Assigned/Reserved
5.9 [BFM #27] Node Address (Address Claim Start Address)
description
-J1939 Industry group is set to 0, BFM #25 bit 2 is forced to OFF.
3U
3U
-J1939 cannot use the address in BFM #27 due to an address claim
-J1939 uses the address set in BFM #27 for communication.
Group 5: Industrial, Process Control, Stationary Equipment
Group 4: Marine Equipment
Group 3: Construction Equipment
Group 2: Agricultural and Forestry Equipment
Group 1: On-Highway Equipment
Global / Group 0 (for all industry groups)
Global / Group 0 (for all industry groups)
"cannot claim" and "broadcast" address are invalid settings for BFM #27.
5 Allocation of Buffer Memories
3U
-J1939 (displayed in BFM #28) is claimed
-J1939 will claim the next higher address.
3U
-J1939 will not try
3U
-J1939 will set BFM #29 bit 1, and stores
3U
Refer to Section 5.17
Industry Group
*2
*2
*2
*2
*1
, FX
-
3U
*1
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