Siemens RWD62 User Manual

CE2N3342en
2017-12-05
Building Technologies
3
342
RWD62
Universal Controller
RWD62
For comfort control in HVAC&R-Systems
· Standalone electronic universal controller with P or PI response
· Operating voltage in accordance to type AC 24 V
· Control application selectable via Application Number
· Active input scale can be selectable
· Limit and direction of the output scale is able to be freely assigned
· Two universal inputs for Ni 1000, Pt 1000 temperature sensors and
DC 0…10 V signals
· Unit can be set as °C, °F, % or no specified unit
· Two modulating outputs with DC 0…10 V signal outputs, direct or reverse
action
· One digital input for day/ night changeover
· Entering or changing of all data via operating buttons on the controller, possi-
ble without additional tools
· PC connection for downloading canned applications via the software tool
Use
The universal controllers are intended for Heating, Ventilating, Air-Conditioning and
Refrigeration in comfort control plants. It can be mounted in a control panel or in the
ARG62.21/ARG62.22 housing on ducts, walls and in plant rooms.

Siemens RWD62 Specifications

General

Brand	Siemens
Model	RWD62
Category	Controller
Language	English

Summary

Use

HVAC&R Application

Functions Summary

Type summary

Accessories

Equipment combinations

Software Tool

Functions

Main functions

Universal input X1

Universal input X2

Digital input D1

Analog outputs

Example

Auxiliary functions

PI limiter function

Limits supply air temperature using Pl control, overriding the main setpoint.

Remote setpoint

Enables setpoint adjustment via an external transmitter connected to X2.

Cascade control

Enables control of one process variable by another, often for stability.

Maximum priority

Setpoint compensation

Winter/summer operation

Day/night setpoint

Mechanical design

Housing

Describes the controller's housing and its compliance with DIN standards.

Mounting options

Details various methods for mounting the controller, including panel and wall.

Terminals

Specifies the type of terminals used for wiring connections.

Operating and display elements

Describes the buttons and LCD screen for operation and parameter adjustment.

Installation notes

Electrical installation

Commissioning notes

Disposal

Technical data

General data

Covers operating voltage, power consumption, and display resolution.

Environmental conditions

Details transport and operation conditions for temperature, humidity, etc.

IP code

Specifies the Ingress Protection rating for the housing.

Norms and standards

Lists relevant EU conformity and RCM conformity standards.

Environmental compatibility

Refers to product environmental declaration for design and assessment.

Terminals

Specifies the size of screw terminals for connecting cables.

Weight without packaging

States the product's weight before packaging.

Analog inputs X1, X2

Analog voltages

Remote setpoints X2

Digital input D1

Analog outputs Y1, Y2

Internal diagram

Connection diagram

Dimensions