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Siemens
Switching and monitoring device RMS705B
CE1P3124en
Building Technologies
Appendix
01.04.2010
Aggregates
Logic functions
(Section 8.1)
Configuration
Functions
C
Logic 1
Input
Logic
function
Operation
selector
Relay
output
Digital
output
10 logic blocks.
Generation of digital signal from continuous input signals.
Selectable logic for logic A, B and C.
Selectable operation selector.
Delay times can be set for output signal.
Selectable time formats.
Comparator
(Section 8.2)
Configuration
Functions
Comparator 1
Input
2
comparators.
The comparator helps compare two analog input signals.
Delay times can be set for output signal.
Selectable time formats.
Rotary step switch
(Section 8.3)
Configuration
Functions
Rotary
step switch 1
Type(Linear,
Flexible,
Binary)
Precommand
input
Start condition 1
Fault status message A
[Rot step swi 1A]
precommand
[Rot step swi 1A] command
[Rot step swi 1A] load
2 rotary step switches with the following functions:
Adjustable step switch properties.
Linear step switch (max. 4 steps).
Flexible step switch (max. 4 steps).
Binary step switch (max. 15 steps).
Lead/lag control for aggregates with runtime balancing.
Motor
(Section 8.4)
Configuration
Functions
Motor
A
Motor
B
Motor B type
Precommand
Precommand
checkback
signal
Flow
signal
[Motor
A]
overload
[Motor B] overload
Start condition 1
Start condition 2
Stop condition 1
Stop condition 2
Usable as 1-spee, 2-speed
or
twin motor.
Changeover of run priority: Automatic, manual, fault.
Adjustable
delay
times.
Configurable flow signal monitoring.
Configurable overload signal.
Configurable precommand function.
Motor fault status message.
Motor operating state status message.
Configurable motor start, stop conditions.
Switching on by outside temperature.
Locking speed 2 at low outside temperatures.
Selectable motor kick.
Record operating hours.
Free fault text.
Modulating output
(Section 8.5)
Configuration
Functions
A
Input
Start condition
Modulating output A…H
For continuous signals DC 0…10 V, e.g. for valve position.
Load signal from controller (from max 3 sequences with maximum
selection).
"Positioning signal min“ and adjustable "Positioning signal max".
Settable
inversion.
Release via start input.