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RWF40.002B97
Siemens RWF40.002B97 User Manual
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RWF40...
Compact Universal Controllers
optimized for temperature and pressu
re control in connection w
ith modulating or multistage burners
User Manual
The RWF40... controller and this User
Manual are intended for use by OEMs
w
hich integrate the controller into
their products!
CC1B7865en
05.12.2002
Siemens Building Technologies
HVA
C Products
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Introduction
6
General Notes
6
Description
6
Typographical Conventions
7
Warning Symbols
7
Notification Symbols
7
Presentation
7
2 Type of Unit
8
Type Field
8
3 Installation
9
Installation Site and Climatic Conditions
9
Dimensions
9
Side-By-Side Mounting
10
Mounting in a Panel Cutout
10
Cleaning the Front
11
Removing the Controller Module
11
4 Electrical Connections
12
Installation Notes
12
Block Diagram
13
Assignment of Terminals
14
Galvanic Separation
17
5 Operating Modes
18
Low-Fire Operation
18
High-Fire Operation
18
Modulating Burner, Floating Output
18
Modulating Burner, Analog Output
19
2-Stage Burner, Floating Output
19
2-Stage Burner, Analog Output
20
Safety Shutdown
20
Predefined Setpoint
20
Setpoint Changeover «SP1 / SP2», Analog Setpoint Shift
21
Setpoint Changeover «SP1» / External Setpoint
22
Setpoint «SP1», Analog / Binary Setpoint Shift
23
External Setpoint, Binary Setpoint Shift
24
Weather-Dependent Setpoint Shift
25
Heating Curve Slope
26
Response Threshold «Q
27
Cold Start of Plant
28
6 Operation
29
Basic Display
30
Meaning of the Display and Buttons
30
User Level
31
Changing the Setpoints
31
Manual Operation of a Modulating Burner
33
Manual Operation of a 2-Stage Burner
33
Start Self-Setting
34
Display of the Software Version and of Unit of Actual Value
34
Parameter Level
35
Entering Parameters
35
Configuration Level
35
Changing the Configuration Code
35
7 Parameter Settings
36
8 Configuration
38
C111 Inputs
38
C112 Limit Comparator, Controller Type, Setpoint «SP1», Locking
40
C113 Unit Address, Dimensional Unit, Out-Of-Range
44
SCH Scaling of Standard Signal Range End, Analog Input 1
45
SCL Scaling of Standard Signal Range Start, Analog Input 1
45
Scl2 = 20
45
SCH2 Scaling of Standard Signal Range End, Analog Input 2
46
SPL Lower Setpoint Limit
46
SPH Upper Setpoint Limit
46
OFF1 Actual Value Correction for Analog Input 1
46
OFF2 Actual Value Correction for Analog Input 2
46
OFF3 Actual Value Correction for Analog Input 3
46
Df1 2Nd Order Digital Filter for Analog Input 1
46
Df3 1St Order Digital Filter for Analog Input 3 (Only with RWF40.0X2B97)
46
Ollo Lower Working Range Limit (Only with RWF40.0X2B97)
47
Olhi Upper Working Range Limit (Only with RWF40.0X2B97)
47
Dtt Bus Watchdog Timer for Remote Operation (Only with RWF40.0X2B97)
47
9 Self-Setting Function
48
Self-Setting Function in High-Fire Operation
48
Checking the Controller Parameters
50
10 What to Do if
51
Numbers Are Flashing on the Display
51
11 Technical Data
52
Inputs
52
Analog Input 1 (Actual Value)
52
Analog Input 2 (External Setpoint, Setpoint Shift)
52
Analog Input 3 (Outside Temperature)
53
Binary Input «D1
53
Binary Input «D2
53
Outputs
53
Output 1 (Release of Burner)
53
Output 2, 3 (Floating Output)
53
Output 4 (Limit Comparator)
53
Output 5, Analog Output (Option)
54
Transducer Supply
54
Interface RS-485 (Optional)
54
General Ratings
54
Measuring Accuracy
55
Monitoring of Measuring Circuit
55
Environmental Conditions
55
12 Current Settings
56
Process Data
56
Parameter Level
56
Configuration Level
57
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Siemens RWF40.002B97 Specifications
General
Brand
Siemens
Model
RWF40.002B97
Category
Controller
Language
English
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