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54
SI-Ethernet User Guide
Issue: 3
A receive link timeout will cause this parameter to become cleared (Off) until a new message is
received.
A single data late event will cause this parameter to be Off until the next cyclic message is received
on time.
If low latency reactions to timeout and data late events are required then appropriate actions should
be configured for the relevant links, see
Rx1 Timeout Action
(
S.10.046
),
Rx2 Timeout Action
(
S.10.056
) or
Rx3 Timeout Action
(
S.10.066
) for further details.
Displays the active configuration source of cyclic data according to the following table.
RTMoE Active configuration values
This parameter displays the total number of receive timeout events; each timeout event will
increment the count by 1. The parameter value will wrap over to zero.
A receive timeout event occurs when no cyclic data packet is received within the time period
specified in the relevant link number parameter
Rx1 Timeout Action
(
S.10.046
),
Rx2 Timeout
Action
(
S.10.056
) or
Rx3 Timeout Action
(
S.10.066
).
A reset of the configuration will clear this count.
The count can be sampled by a user application in order to detect change since the last sample;
this enables custom reaction to a timeout event occurring on any cyclic receive link which has a
timeout value configured, irrespective of the timeout action for the link.
If a custom timeout reaction is required on a per-link basis then the link action must be chosen
appropriately in
Rx1 Timeout Action
(
S.10.046
),
Rx2 Timeout Action
(
S.10.056
) or
Rx3 Timeout
Action
(
S.10.066
); this could be Clear Output to write zero to all of the cyclic parameters and
implement monitoring code for this condition in the user application.
S.10.007
Active Configuration
Minimum
0
(Display: None)
Maximum
1
(Display: Offline)
Default
None
Units
None
Type
8 Bit Volatile
Update Rate
Read on reset
Display Format
None
Decimal Places
0
Coding
RO, PT, NC, ND, Txt, BU
Value
Text
Description
0
None
No configuration is active
1
Easy Mode
Easy Mode configuration is active
2
Offline
Offline configuration from PC Tools software is active
S.10.008
Timeout Count
Minimum
0
Maximum
65535
Default
None
Units
None
Type
16 Bit Volatile
Update Rate
1 ms
Display Format
None
Decimal Places
0
Coding
RO, PT, NC, ND, BU