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Siemens RWF40.000A97 User Manual

Siemens RWF40.000A97
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RWF40...
Compact Universal Controllers
optimized for temperature and pressure control in connection with modulating or multistage burners
User Manual
The RWF40... controller and this User Manual are intended for use by OEMs which integrate the controller into
their products!
CC1B7865en
05.12.2002
Siemens Building Technologies
HVAC Products

Table of Contents

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Siemens RWF40.000A97 Specifications

General IconGeneral
BrandSiemens
ModelRWF40.000A97
CategoryController
LanguageEnglish

Summary

Electrical Connections

Installation Notes and Safety Regulations

Safety regulations, fusing, interference suppression, and incorrect use guidelines.

Assignment of Terminals

Details terminal assignments for outputs and analog/binary inputs.

Operating Modes

Safety Shutdown Procedures

Describes functions during sensor failure or safety shutdown.

Setpoint Changeover «SP1 / SP2», Analog Shift

How SP1/SP2 changeover and analog shift work.

Setpoint Changeover «SP1» / External Setpoint

How SP1 changeover and external setpoint work.

Setpoint «SP1», Analog / Binary Shift

How SP1 with analog/binary shift works.

External Setpoint, Binary Setpoint Shift

How external setpoint with binary shift works.

Weather-Dependent Setpoint Shift

How to implement weather-dependent setpoint shifts.

Heating Curve Slope Adjustment

Adjusting setpoint based on outside temperature via heating curve.

Response Threshold «Q» Definition

Defines how long the actual value can drop before high-fire operation.

Parameter Settings

Heating Curve and Displacement Settings

Settings for heating curve slope and parallel displacement.

Configuration Options

Configuring Analog and Binary Inputs

Configuration of analog and binary inputs.

C112 Configuration Options

Configures limit comparator, controller type, setpoint, and locking.

C113 Configuration Options

Sets unit address, units, and out-of-range signals.

Self-Setting Function

Self-Setting in High-Fire Operation

Explains the self-setting function in modulating mode.

Checking Controller Parameter Adjustments

How to check and adjust PID controller parameters.

Troubleshooting Guide

Technical Data

Analog Input 1 (Actual Value)

Specs for analog input 1 (resistance, thermocouples, signals).

Analog Input 2 (Setpoint/Shift)

Specs for analog input 2 (potentiometer, signals).

Analog Input 3 (Outside Temperature)

Specs for analog input 3 (resistance thermometers).

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