Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Appendix 03.10.2011
 Operating mode relay 1, 2  Holiday input and special day input: Digital input for holidays
(settable room operating mode) or special day (special day
program of time switch)
 Settings for possible plant operation mode (e.g. sustained mode,
recirculated air mode)
 Output of operating mode via relay contacts
d
d
d
dd
12
QQ
1
Relay
Yes
Time switch 1
Fire
SA EX
Basic type P:
 Time switch (Yes, No)
 Holiday input ( )
 Special day input ( )
 Fire alarm off ( fire)
 Extract air ( Supply air,
Extract air)
 Operating mode relay 1, 2

Time switch can be activated for other applications, acts on bus
 Holiday input and special day input: Digital input for holidays
(settable room operating mode) or special day (special day
program of time switch)
 Fire and smoke extraction inputs to control plants and signal to
individual room controller via bus
 Output of operating mode via relay contacts
dd
12
QQ
1
Relay
Yes
Time switch 1
Basic type C:
 Request input
 Time switch (Yes, No)
 Holiday input ( )
 Special day input ( )
 Operating mode relay 1, 2

Request input signal for external request signal refrigeration
 Time switch can be activated for other applications, acts on bus
 Holiday input and special day input: Digital input for holidays
(settable room operating mode) or special day (special day
program of time switch)
 Output of operating mode via relay contacts
Q d
2
On / Off
On

Time switch (Yes, No)  1-channel time switch on / off
 7 days + special day, 6 switching points per day
 Note selectable holidays/special day information (Yes, No)
 Operation selector
Heating / cooling changeover
Heating / cooling
changeover
 Section 27
Configuration Functions
x
Q
23
H/C changeover
 2-pipe system H/C ( )
 H/C changeover input ( )
 Changeover with operating
mode selector (
)
 Changeover by date (
23
)

Changeover of operating mode heating or cooling in 2-pipe
systems
 Preselection of heating/cooling on device generated or received
as signal via bus
 Changeover by analog or digital input
 Changeover with operating mode selector
 Changeover by date
Faults
Faults
 Section 24
Configuration Functions
QQ
xx
12
34
56
xxxxd
Ack
Faults
Relais1 Relais2
 External fault button
 Fault inputs 1 through 10
 Fault relays 1 and 2
 Filter supervision ( )
 Fire alarm off ( fire)
 Extract air ( Supply air,
Extract air)
 Fan release relay

10 universal fault signal inputs, fault signal delay, fault
acknowledgement (none, acknowledge), fault priority (urgent, not
urgent) and fault effect (stop, no stop) can be set
 2 fault relays, priority (urgent, not urgent, all) and signaling can be
set
 Filter supervision, Fire alarm off and Smoke extraction
 Fan release relay (if external fan switch, no release in case of fault
with plant stop; fans remain released with smoke extraction)
 Direct connection possible for analog signals and settable
threshold values
 A name can be assigned to each fault input