A.2 Limits per H1 Channel
A.2.1 General Maximum Limits
Table A.2: Maximum Limits per H1 Channel
128Connections (VCRs) - overall
1
10Sink connections (alarm receptions)
39 + 1Client/server connections
100Publisher and subscriber
2LAS schedules
4Sub-schedules
64Sequences per sub-schedule
4Elements per sequence
2000Size of LAS schedule domain [octets]
1. The total number of Source/Sink, Client/Server, and Publisher/Subscr ber VCRs in an
H1 channel cannot exceed this value.
Note, that the total size of the LAS schedule domain must not exceed 2000 octets.
Additionally for each component of the LAS schedule, the maximum value given in the
table applies.
The ABB configuration tools Fieldbus Builder FOUNDATION™ Fieldbus and Control
Builder F will automatically take into account these limits.
A.2.2 Performance
Make sure that in your configuration the maximum number of 40 republished signals
per second per H1 link is not exceeded.
Please note: Signals exchanged between H1 devices are not affected. This limit only
affects signals that have a connection to the LD 810HSE Ex.
2PAA114135-610 94
A Limits and Performance Data
A.2 Limits per H1 Channel
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