Commissioning and Diagnostics
6-28
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
6.4.8 H Status (with S7-400H and Standard Redundancy Only)
The IM 153-2 only delivers the H status if it is running on an S7-400H-DP master
or is operating with redundancy to standard.
Byte z
Byte z+1
Byte z+2
70
0
H
Byte z+3
always
”0”
70
123456
0
00
00
001
Length of the H status incl. byte x (= 8 bytes)
Code for station diagnosis
70
1
1E
H
= Parameterization status (switchover by DP master)
1F
H
= H status
Code for status message
Byte z+4
Not
applicable
Not
applicable
Byte z+5 H
status
of
the
IM 153-2
that
sends
the
status
70
123456
000
Deactivated
Hardware defect
Activated
IM 153-2 involved in data exchange
Master state clear
Byte z+6
H
status
of
the
other
IM 153-2
70
123456
000
Deactivated
Hardware defect
Activated
IM 153-2 involved in data exchange
Master state clear
Byte z+7
0
H
Always
”0”
Figure 6-9 Structure of the H status of the IM 153-2 (only for S7-400H)
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