Basic Documentation
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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Temperature controller (basic type A) 03.10.2011
11 Temperature controller (basic type A)
11.1 General
S3 S2 S1 S4 S5
S4S2 S1
S2 S1 S4
yp yp yp yp yp
a
aa a a a
yp yp yp
aa a a a
yp yp yp
d
730
720
730
Controller 3
Controller 1
(Ventilation)
With supply air limitation
Cascade
Constant (supply air)
Cascade/const (alternating)
Diff
Diff
Gen limit Seq limit
Controller 2
Gen limit Seq limit
Seq. limit. Casc/Const
Controller 1 is specified for ventilation applications as cascade or constant
temperature controller. Controller 2 and 3 are universal controllers.
The following control modes are available:
Supply air temperature control
Room temperature control (with supply air limitation as an option)
Extract air temperature control (with supply air limitation as an option)
Room/supply air temperature cascade control
Extract air/supply air temperature cascade control
The following controllers (sequence controllers) are available:
RMU710B: Controller 1
RMU720B: Controller 1, Controller 2
RMU730B: Controller 1, Controller 2, Controller 3
11.1.1 Procedure to configure the controllers
Action Notes in…
Define control mode Section 11.2
The following auxiliary functions can be activated additionally:
Summer/winter compensation (controller 1)
Universal shift (controller 2, controller 3)
General limiter (controller 2, controller 3)
Sequence limiter
Sequence locking acc to OT
Control timeout
Section 11.9
Section 15.6
Section 15.2
Section 15.3
Section 15.4
Section 15.8
Assign to the individual sequence outputs Section
15.1.1… 15.1.3
A deviation message can be activated for each controller Section 15.7
Controller parameters controllers 1-3 Section 15.1.4
11.1.2 Limits and setpoint effects
The following functions can have an impact on the setpoints:
Type of room unit
Summer / winter compensation (Section 11.9)
Setpoint limitations (Section 11.10)
Remote setpoint adjuster, absolute
Rem setp adjuster relative