User guide

The MSTR Instruction
36
840 USE 115 00 Version 1.0
The state of a peer cop health bit reflects the current communication status of its
associated node:
A health bit is set when data is successfull
y
exchan
g
ed with its correspondin
g
node.
A health bit is cleared when no communication has occurred with the
correspondin
g
node within the confi
g
ured peer cop health time-out period.
All health bits are cleared at PLC start time. The health bit for a
g
iven node is
alwa
y
s zero when its associated peer cop entr
y
is null.
All
g
lobal health bits are alwa
y
s reported as zero.
Type of
Status
Word
Index
Bit-To-Network Node Relationship
Global
Input
0
1
2
3
Specific
Output
4
5
6
7
Specific
Input
8
9
10
11
0 0 0 0
0 0
0
00 0
0
000 0
0
0 0 0 0
0 0
0
0 0
0
0
0
0 0 0
0
0 0 0 0
0 0
0
00
0
0
0
0 0 0
0
0 0 0 0 0 0 0 0
0
0
0
0
0 0 0
0
16 15 14 13
12 11
10
98 7
6
543 2
1
32 31 30 29
28 27
26
25 24
23
22
21
20 19 18
17
48 47 46 45
44 43
42
41 40
39
38
37
36 35 34
33
64 63 62 61 60 59 58 57
56
55
54
53
52 51 50
49
16 15 14 13
12 11
10
98 7
6
543 2
1
32 31 30 29
28 27
26
25 24
23
22
21
20 19 18
17
48 47 46 45
44 43
42
41 40
39
38
37
36 35 34
33
64 63 62 61 60 59 58 57
56
55
54
53
52 51 50
49