Functions Summary; Equipment Combinations - Siemens RWD62 Manual

HVAC&R Application

Functions Summary

Type summary
Accessories

Equipment combinations

2/10
Siemens
Building Technologies
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.
· 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
Inputs
Universal Digital
2 1
Name
Protective small enclosure for wall mounting
Protective big enclosure for wall mounting
Software Tool
The following Siemens units can be connected to RWD62 universal controller.
Units
Sensor with LG-Ni 1000 temperature sensing element
Sensor with Pt 1000 temperature sensing element
Sensor with DC 0...10 V measuring signal
Room temperature sensor with setpoint adjuster QAA25
or QAA25/AP
Remote setpoint adjusters FZA21.11 and FZA61.11
Air damper actuators with DC 0...10 V input
Valve actuators with DC 0...10 V input
Control valves
Signal converter SEM 61.4 for current valve control
Various signal converters
RWD62 Universal controller
Outputs
Analog Digital
2 0
Type Reference
RWD62
Type
ARG62.21
ARG62.22
S3341A031EN0
Data sheet no.
17... to 19...
1846
17... to 19...
1721 / 1748
19...
46...
45...
46...
51...
34...
CE2N3342en
2017-12-05