System Manual Compact Systems 7 Start-Up
HI 800 141 E Rev. 2.02 Page 55 of 110
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If a Minimum Configuration Version of SILworX V4 or higher is set for a resource, the Code
Generation Compatibility parameter must be set to SILworX V4 in every user program (see
below).
7.3.1.2 Parameters for the Remote I/Os
The following system parameters are available for remote I/Os:
Setting for safe
operation
Each individual remote I/O within a resource must have
a unique rack ID.
200…1023
Unique value
within the
resource.
Safety time in milliseconds
20...22 500 ms
Watchdog time in milliseconds
8...5000 ms
Highest value in ms for the time slice used for
communication during a resource cycle, see the
communication manual (HI 801 101 E),
2...5000 ms
Monitoring time for command communication
600…60 000 ms
Timeout [ms] >= 2 resend time [ms]
A connection loss is detected upon expiration of the
defined time. In the worst case scenario, the status
indicators in the Control Panel of the parent resource
are refreshed upon expiration of the defined timeout.
Timeout applies for both the remote I/O and its parent
resource.
Time interval after which a message is resent after the
previous message was not acknowledged by the
communication partner.
300…30 000 ms
Resends increase availability and compensate
disturbances in the network.
HIMA recommends using values equal to or greater
than the default value to ensure that the network is only
loaded if required.
An acknowledgment for the received message is sent to
the communication partner no later than upon expiration
of the Alive Interval.
250…29 950 ms
Alive Interval [ms] <= Resend Time [ms] - 50 ms. HIMA
recommends using values equal to or greater than the
default value to ensure that the network is only loaded if
required.
Table 30: System Parameters of the Remote I/O - CPU OS V7 and Higher
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