Pepperl+Fuchs AS-I 3.0, Manual

Page: 70 / 177

Is
s
u
e
d
a
te
:
7
.6
.2
0
1
3
70
AS-i 3.0 Command Interface
Commands of the Command Interface
4.5 Safe Link diagnostics
4.5.1 Diagnostics display
Procedure for displaying the diagnostics for devices using Safe Link:
Step 1 – Acquire all the participating nodes:
• Query the Manager Overview for the Manager device (Command 3A
16
,
03
16
).
• Ask directly for the status of all nodes entered there (3A
16
, 04
16
).
Step 2 – Acquire the node relationships:
• This requires that all participating nodes be asked for their NodeOverview
(3A
16
, 02
16
) and a link matrix be generated.
• In the NodeOverview a node shows which other nodes it expects data from.
Step 3 – Acquire the connection quality:
• The resulting link matrix can now be used to ask each node for the statistics
data for the nodes from which it expects data.
• Each node gathers the telegram age and any missing telegrams (single, dou-
ble, triple) for each of its data sources. These can be queried for the node
over the diagnostics interface using the AcycTrans command 9.
4.5.2 Overview of the commands
Value for the command
see page Command Value Meaning
page 70 CROSS_COMMUNICATION_DIAG 3A
16
Safe Link diagnostics
!!!
The command
Cross_Communication_Diag
is valid only for the use with
devices which support this function.
Please see the user manual of the master for further information.
Values for sub commands
see page Command Value Meaning Req
Len Res
Len
page 71 1 00
16
READ_NODE_OVERVIEW_HISTORY 3 6
page 72 2 01
16
READ_AND_CLEAR NODE_OVERVIEW_HISTORY 3 6
page 73 3
02
16
READ_NODE_OVERVIEW 3 34
page 74 4 03
16
READ_MANAGER_OVERVIEW 3 34
page 75 5 04
16
READ_NODE_STATUS 3 9
page 76 6 05
16
READ_INTERFACE 3 8
Tab. 4-119.