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Siemens
Switching and monitoring device RMS705B
CE1N3124en
Building Technologies
2018-03-15
Event logging
(e.g. for legionella function)
Four event loggers are available. Use the event logger to log events and monitor
their mandatory occurrence.
·
Logging of the last 10 events per logger with time and date stamp upon reaching
value "Limit value on" and "Limit value off".
·
Save max. or min. value during event.
·
Selectable fault message for breaching or exceeding the minimum and
maximum
-
Event cycle time.
-
Event length.
Universal motor blocks
Six universal motor blocks are available to control and monitor motors.
Applicable per motor block
·
1-speed motor (pump, fan)
·
2-speed motor (fan)
·
Twin motor (twin motor, twin pump)
·
Precommand for preceding dampers and valves
·
Various adjustable times
·
Motor kick and ON for low outside air temperature
·
Operating hours per motor block
Rotary step switch
2 rotary step switches are available with selectable step switch characteristic per
block as
·
Linear step switch
·
Binary step switch
·
Flexible step switch
·
With staged precommand, switching and modulating outputs
·
Lead/lag control of pumps, fans, motors, refrigeration machines, etc. with
runtime balancing
·
Various adjustable times
Logic function blocks
10 freely configurable logic function blocks are available to process multiple
logically linked universal input variables.
·
Configurable logic functions: AND, NAND, OR, NOR, EXOR and EXNOR
·
Adjustable switch-on and switch-off delay and minimum switch-on and switch-off
time.
·
Operating switch (AUTO, ON, OFF), configurable for manual control.
7-day time switches
Six 7-day time switches with the following functions are available:
·
6 switch on and off time daily, configurable relay output.
·
Yearly time switch with automatic summer-/wintertime changeover.
·
Operating switch (AUTO, ON, OFF), configurable for manual control.
·
Configurable vacation and special day program.
·
Can receive other weekly scheduler programs via KNX bus as slave
(transmission not possible).
Comparators
·
2 comparators are available to compare two analog input signals.
·
Output signal with adjustable switch on and off delay as well as adjustable
minimum switch on and off period.
Control and monitor
functions
