HART Commands - Ifea
HART Commands - Ifea
HART Commands - Ifea
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<strong>HART</strong> Periodic Data<br />
1<br />
16<br />
Ch-0<br />
Ch-15<br />
<strong>HART</strong><br />
AI<br />
Analog PV: (250 ms update)<br />
1<br />
16<br />
Ch-0<br />
Ch-15<br />
Analog OP: (25 ms update)<br />
<strong>HART</strong><br />
AO<br />
<strong>HART</strong> device variable scanning:<br />
Dynamic variables: (Cmd-3, PV, SV, TV, FV)<br />
Scanning configurable for every <strong>HART</strong> enabled channel!<br />
Update is configurable between 1 to 16 seconds for all<br />
sixteen channels exclusive of <strong>HART</strong> device induced delays.<br />
Device standard status: is collected every time cmd-3 is<br />
issued to a device.<br />
Device variables: (Cmd- 33, Slot-0 through Slot-3)<br />
Scanning configurable for every <strong>HART</strong> enabled channel!<br />
Update is configurable between 1 to 16 seconds for all<br />
sixteen channels exclusive of <strong>HART</strong> device induced delays.<br />
Note!<br />
Channels that are not enabled for <strong>HART</strong> and those<br />
that do not use command 3 or 33 (or at a low<br />
frequency) will allow other channels on the same<br />
IOM to scan Dynamic and Device variables<br />
proportionally faster.<br />
28 HONEYWELL September 19, 2012<br />
28
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