User Manual

12 Faults

12.1 Purpose and enabling

Function block "Faults" collects all fault messages and sends them to the fault

display, fault relays, and via bus.

Purpos

Faults

Enable the fault block by configuring fault inputs 1...20 or assigning a fault relay.

Enabling

Many faults are acquired automatically and need not be specifically configured in

function block "Faults". These faults are described with the relevant function. The

fault block does not have to be enabled to display these faults.

Note

12.2 Fault priorities and acknowledgement

There are 2 types of fault priorities:

Fault prio

rities

Urg

ent Fault messages representing plant risks or for which trouble-

free plant operation is no longer guaranteed.

Not urgent Fault messages representing risks that do not represent a

great risk to plant operation.

There are 2 types of fault acknowledgement:

Fault ackno

wledgement

 (No

acknowledgement).

 Acknowledge

 Acknowledge and reset

See Section 14 on fault acknowledgement.

Note

Imp

act of fault Faults "No stop" and "Stop" are not available in RMS705B. Plant stops or partial

plant stops are configured internally, e.g. using stop conditions or logical links to

start/stop conditions of the function blocks.

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Siemens Switching and monitoring device RMS705B CE1P3124en

Building Technologies Faults 01.04.2010