
2.CYCLIC TRANSMISSION SPECIFICATION B-64164EN/01
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2.2.2.3 Nodes information
Information on other nodes and DI data are allocated in the PMC area
as follows:
7 0
+0
(Reserved)
+1
FA link layer state
+2
Upper layer state
+4
DI data
FA link layer state: 1 byte
7 6 5 4 3 2 1 0
+1
<1> <2> <3> <4> (Reserved) <5> <6>
<6> Node participation flag (1: Participate)
<5> Communication disable detection flag (1: Detected)
<4> Upper layer operation signal error flag (1: Error)
<3> Common memory data valid flag (1: Valid)
<2> Common memory setting complete flag (1: Complete)
<1> Duplicate address detection flag (1: Duplicate address
detected)
Upper layer state: 2 bytes
7 6 5 4 3 2 1 0
+2
<8> <9> <10> <11> <12> <13> <14> <15>
+3 <1> <2> <3>
(Reserved)
<4> <5> <6> <7>
U_ERR_CODE
<4> (Highest bit) to <15> (Lowest bit)
<2>, <3> U_ERR
00: NORMAL
01: WARNING
1x: ALARM
<1> RUN/STOP
0: STOP
1: RUN
NOTE
For details of each bit, see Subsection 2.3.1,
"Allocation of Local Node State."
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