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Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Faults 03.10.2011
24.5 External fault button
The fault block allows for connecting an external fault button. The external fault
button has the same function as fault button "
" on the unit. Both can be operated
in parallel.
The current alarm state can be externally indicated via the fault relay.
N.X1 N.X2 N.X3 N.X4
N.X5
N.X6 N.X7 N.X8
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
Y
SIGNAL Y
xxxxxxxx
Digital
Q
p
QQ
xxx
x
xx
12
3
4
56
7
8
910
xx
x
x xdddd
Ack
d
3150S24en
Faults
Relay 1 Relay 2
Fan release
Fire
SA
EX
Main menu > Commissioning > Extra configuration > Faults >
Operating line Adjustable values / remarks
Fault button external ---, N.X1, N.X2, ... (digital only)
24.6 Fault relay
To route fault messages, or for acoustic or visual indication on a control panel, e.g.
two outputs for the fault blocks "Relay1" and "Relay2" can be configured to any two
free outputs N.Qx.
Main menu > Commissioning > Extra configuration > Faults >
Operating line Adjustable values / remarks
Fault relay 1 ---, N.Q1 ... ( free relays only) /
assignment of fault relay
Fault relay 2 ---, N.Q1 ... ( free relays only) /
assignment of fault relay
The following settings are possible for fault relays 1 and 2:
Fault priority Priority at which the relay is to be energized
Indication The following indications of fault can be selected:
– Internal fault (visual): The fault relay only indicates internal faults and remains
energized until faults are no longer present
– Internal fault (acoustic): The fault relay only indicates internal faults and remains
energized until the fault is acknowledged
– Fault via bus (acoustic): The fault relay only indicates internal device faults and
bus faults and remains energized until the fault is acknowledged
Inversion:
– "No" means: In case of fault, the relay is energized
– "Yes" means: In case of fault, the relay is deenergized
Configuration
Route fault status
messages
Configuration
Settings