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Siemens
RWD62 Universal controller
CE2N3342en
Building Technologies
2017-12-05
HVAC&R Application
Measurement and control of temperature, relative humidity, absolute humidity, en-
thalpy, pressure differential, volumetric airflow and indoor air quality. The input scale
can be set from –100 units to 8,000 units. The start and end points of output voltage
can be any value between DC 0 V to DC 10 V.
Functions Summary
·
Controller
Stand-alone controller with two DC 0…10 V outputs with independent adjustment on
each sequence for direct acting and/or reverse acting. Adjustable parameters includ-
ing proportional band and integral action time.
·
Auxiliary selectable function
Universal input X2 for one of the following functions:
-
PI limiter function (absolute and relative)
-
Remote setpoint function
-
Cascade control function
-
Setpoint compensation
-
Winter/summer operation
-
Maximum priority
·
Digital input D1 for setpoint changeover day/ night
Type summary
Inputs
Outputs
Type Reference
Universal
Digital
Analog
Digital
2
1
2
0
RWD62
Name
Type
Protective small enclosure for wall mounting
ARG62.21
Protective big enclosure for wall mounting
ARG62.22
Software Tool
S3341A031EN0
Equipment combinations
The following Siemens units can be connected to RWD62 universal controller.
Units
Data sheet no.
Sensor with LG-Ni 1000 temperature sensing element
17… to 19…
Sensor with Pt 1000 temperature sensing element
1846
Sensor with DC 0…10 V measuring signal
17… to 19…
Room temperature sensor with setpoint adjuster QAA25
or QAA25/AP
1721 / 1748
Remote setpoint adjusters FZA21.11 and FZA61.11
19…
Air damper actuators with DC 0…10 V input
46…
Valve actuators with DC 0…10 V input
45…
Control valves
46…
Signal converter SEM 61.4 for current valve control
51…
Various signal converters
34…
Accessories