Siemens RWF40.010A97 User Manual

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

Siemens RWF40.010A97 Specifications

General

Product type	Controller
Type	RWF40.010A97
Power supply	24 V AC/DC
Power consumption	3 VA
Digital inputs	2
Digital outputs	2
Analog outputs	0
Protection class	IP30
Setpoint range	0 to 100 °C
Analog inputs	1
Relative humidity	5 to 95 %

Summary

Siemens RWF40 Electrical Connection Guide

Installation Notes and Safety Regulations

Terminal Assignments and Connection Diagrams

Detailed mapping of terminals to functions and associated connection diagrams.

Siemens RWF40 Parameter Reference

Limit Comparator Parameters (AL, HYSt)

Control Loop Parameters (Pb.1, rt, db)

Parameters affecting proportional, integral, and derivative control actions.

Actuator and Burner Stage Parameters (tt, HYS1, HYS2, HYS3, q, H, P)

Parameters for actuator timing, burner thresholds, response, and heating curve.

Siemens RWF40 Configuration Options

Analog Input Configuration (C111)

Settings for analog inputs 1, 2, and 3, and binary input D2.

Limit Comparator and Controller Type Setup (C112)

Configuring the limit comparator, controller type, setpoint selection, and locking.

Limit Comparator Function Examples (Ik1-Ik8)

Instrument Address and Unit Settings (C113)

Setting unit address, decimal place, units, and out-of-range signals.

Analog Input Scaling Parameters (SCL, SCH, SCL2, SCH2)

Configuring the scaling of standard signal ranges for analog inputs.

Setpoint Limits and Value Correction Parameters (SPL, SPH, OFF1-OFF3)

Setting setpoint limits and applying corrections to measured values.

Filter and Working Range Limit Parameters (dF1, dF3, oLLo, oLHi)

Configuring digital filters and working range limits for specific models.

Siemens RWF40 Self-Setting Function

Overview of the 'tunE' Self-Setting Process

Self-Setting Procedures and Conditions

Details the two methods used and the conditions required for self-setting.

Checking and Optimizing Controller Parameters

How to verify controller performance after self-setting and identify adjustments.

Troubleshooting Common RWF40 Display Issues

Flashing Display Numbers and Error Causes

Identifies flashing display codes and their corresponding measurement acquisition errors.

Siemens RWF40 Technical Specifications

Analog Input Specifications (1, 2, 3)

Details resistance thermometer, thermocouple, and standard signal input ranges and types.

Output Specifications (Relays, Analog)

Electrical characteristics and ratings for all relay and analog outputs.

Measuring Accuracy and Circuit Monitoring

Accuracy specifications and methods for monitoring input circuits for faults.

Siemens RWF40 Current Settings Overview

Process Data Displayed (SP1, SP2, TA, SP.E)

Parameter Level Settings Reference

List of adjustable parameters with their value ranges and factory settings.

Configuration Level Settings Reference

Reference for configuration codes C111, C112, C113, and other settings.