SAUTER flexotron®400 RDT405
Manual
P100012100
SAUTER flexotron®400 - RDT405
Table of contents
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DISCLAIMER
The information in this manual has been carefully checked and is believed to be correct. Fr. Sauter AG
however, makes no warranties as regards the contents of this manual and users are requested to report
errors, discrepancies or ambiguities to Fr. Sauter AG, so that corrections may be made in future editions.
The information in this document is subject to change without prior notification.
The software described in this document is supplied under license and may be used or copied only in
accordance with the terms of the license. No part of this document may be reproduced or transmitted in
any form, in any fashion, electronically or mechanically, without the express, written permission of Sauter.
TRADEMARKS
flexotron® is a registered trademark of Fr. Sauter AG.
Some product names mentioned in this document are used for identification purposes only and may be
the registered trademarks of their respective companies.
SAUTER flexotron®400 - RDT405
Table of contents
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Table of contents
Table of contents ......................................................................................................................................... 3
1 About this manual ................................................................................................................................ 4
2 Introduction to flexotron®400 ............................................................................................................. 5
2.1 flexotron®400 controllers ........................................................................................................... 5
3 Technical data ...................................................................................................................................... 7
4 Installation and wiring ......................................................................................................................... 9
4.1 Installation .................................................................................................................................. 9
4.2 Wiring ......................................................................................................................................... 9
5 Control modes .................................................................................................................................... 11
5.1 Control mode 1, Temperature control ...................................................................................... 12
5.2 Control mode 2, CO2 control .................................................................................................... 14
5.3 Control mode 3, General control 0…100% .............................................................................. 15
5.4 Control mode 4, Pressure control ............................................................................................ 16
5.5 Control mode 5, Pressure control with outdoor temperature compensation of the pressure
setpoint. ................................................................................................................................................ 17
6 Display and encoder .......................................................................................................................... 18
6.1 The Basic level ......................................................................................................................... 18
7 Setpoint ............................................................................................................................................... 20
8 Configuration ...................................................................................................................................... 21
8.1 Menus 1.0 – 5.0 ....................................................................................................................... 21
Index ........................................................................................................................................................... 26
SAUTER flexotron®400 - RDT405
About this manual
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1 About this manual
This manual describes the controller flexotron®400 - RDT405.
More information
More information on RDT405 can be found in:
flexotron®RDT405 controllers Sales brochure
RDT405 Installation instructions and abridged manual
RDT405 product sheet
The information can be downloaded from the Fr. Sauter AG website,
http://www.sauter-controls.com/en.
SAUTER flexotron®400 - RDT405
Introduction to flexotron®400
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2 Introduction to flexotron®400
2.1 flexotron®400 controllers
The controllers flexotron®400 is a range of pre-programmed, configurable
controllers that can be set to handle everything from temperature to CO2 control
or pressure control. Features also include a general control usable for several
different control modes, such as humidity control or other applications. The
controller is intended to be used in residential, commercial and light-industrial
locations.
RDT405 and RDT410
The flexotron®400 series comprises two different types, RDT405 and RDT410.
The RDT405 has 5 inputs/outputs and can be configured to control Temperature,
CO2, Humidity or Pressure. There is a analogue input for connection of an
external N i1000 setpoint device for control mode 1 (Temperature control).
The RDT410 has 10 inputs/outputs and can be configured to control
Temperature (ventilation control with heating and cooling), Waterheated radiatorheating with outdoor temperature dependent control-curve or Domestic hot water
control. There is a analogue input for connection of an external Ni1000 setpoint
device for control modes 1…4. The RDT410 also has a week-based scheduler.
The RDT410 is available in two versions, RDT410F201 with 24 V AC supply
voltage and RDT410F301 with 230 V AC supply voltage. For more information,
please refer to the separate RDT410 manual.
Mounting
The controllers flexotron®400 are designed primarily for DIN-rail mounting but
can also be screw-mounted to any suitable surface. The controller is intended for
stationary indoor use.
flexotron®400 – RDT405
The RDT405 is a pre-programmed, configurable controller.
All configuration and normal handling is done using the display and the knob on
the front.
SAUTER flexotron®400 - RDT405
Introduction to flexotron®400
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In- and Outputs
The RDT405 has:
1 analogue input, Ni1000
1 analogue input for an external setpoint device, Ni1000
1 universal input, 0…10 V DC or digital
1 digital input
2 analogue outputs, 0…10 V DC
Control modes
The RDT405 is pre-programmed with a choice of 5 different control modes:
Temperature control
CO2 control
General control
Pressure control
Pressure control with outdoor-temperature dependent compensation
SAUTER flexotron®400 - RDT405
Technical data
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3 Technical data
Supply voltage ............................................................... 24 V AC ±15%, 50...60 Hz
Power consumption .......................................................................................... 4 VA
Ambient temperature ................................................................................... 0...50°C
Ambient humidity ................................................................................ Max 95% RH
Storage temperature ................................................................................–20...70°C
Terminals ........ Disconnectable, so-called lift type for cable cross-section 1.5 mm2
Protection class ............................................................................. IP20, when fitted
Material casing ................................................. Polycarbonate plus ABS, PC+ABS
Colour
Cover .............................................................................................................. yellow
Bottom part ...................................................................................................... black
Weight...................................................................................... 215 g incl. terminals
Dimensions ......................................... 122 x 121 x 64 mm (WxHxD incl. terminals)
LVD, Low Voltage Directive
This product conforms with the requirements of European LVD standard IEC EN
61010-1.
EMC emissions an immunity standard
This product conforms with the requirements of European EMC standards
CENELEC EN 61000-6-1 and EN 61000-6-3 and carries the CE mark
Inputs
AI ........................................................................................... Resolution: 10 bit A/D
AI1 ... Ni1000-sensor, range -20…+140°C, divided into three measuring ranges,
SPI .......................................................... Ni1000 setpoint device, range 0…40°C
............................ Reference for AI and for UI when used as an analogue input
UI
AI ................................................. 0...10 V DC, accuracy +/- 0.15 % of full output
or DI ........................................................................ Closing potential-free contact
UI+ ................................................... Reference for UI when used as a digital input
DI ............................................................................... Closing potential-free contact
DI+ ................................................................................................. Reference for DI
Output
AO1 0…10 V DC; 8 bit D/A short-circuit protected
AO2 0…10 V DC; 8 bit D/A short-circuit protected
Signal neutral for analogue outputs
Other data
Display ................................................. Numeric / graphic. Background illumination
accuracy +/- 0.2°C
SAUTER flexotron®400 - RDT405
Technical data
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Settings
Range
Factory setting
Setpoint
CO
2
General (GEN)
Pressure (Pa)
Temperature ranges
0...100% of max set
value on UI1
0...100% of max set
value on UI1
0...100% of max set
value on UI1
-20…+60°C
20…100°C
60…140°C
1000 ppm
20% RH
2500 Pa
21°C
55°C
95°C
10 V DC in on UI1
CO2
General
Pressure
0...9900 ppm
1...100%
100 Pa...2500 kPa
2000 ppm
100% RH
5000 Pa
Neutral zone
12.5% of max
1°C (control mode 1)
5% (control mode 3)
P-band
CO2
General (GEN)
Pressure (Pa)
0...100% of UI1
0...100% of UI1
0...300% of UI1
5% of UI1
5% of UI1
5% of UI1
I-time
0…990 s
10 s
Outdoor compensation start
-20…+60°C
0°C
Pressure at -20°C outdoor
temperature
0 Pa...2500 kPa
1000 Pa
Accessories
External temperature sensors ...............................For example: EGT330, EGT346
Setpoint device ................................................................................... EGT338F102
CO2-sensor ................................................................................................. EGQ212
Humidity sensor (can be used for general control (3)) ............................... HSC120
Pressure sensor ............................................................................................... DSU
The accessories are available from Fr. Sauter. For more detailed information,
see product sheets and instructions which are available at http://www.sautercontrols.com/de.
SAUTER flexotron®400 - RDT405
Installation and wiring
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4 Installation and wiring
Terminal
Designation
Operation
-
LS
Supply voltage 24V~
-
MM
2
DI+
Reference for DI1
3
DI1
Digital input
4
UI+
Reference for UI1 digital mode
5
UI1
0…10V= or digital input
6 Ref. for AI1 and UI1 analogue
7
AI1
Ni1000 temp. sensor input
10
SPI
Input Ni1000 setpoint device
11
AO2
0…10V= Output
12
AO1
0…10V= Output
13
Ref. for AO1 and AO2
If the RDT405 and active sensors and actuators connected to it share
transformer, it is essential that the same transformer-pole is used as reference
for all the equipment. Failure to do so will prevent the equipment from
functioning as intended and may also lead to damages.
4.1 Installation
The controller flexotron®400 must be mounted in a DIN-standard casing
(minimum 7 modules) or in a cabinet, either on a DIN-rail or, using the two screwpockets provided, by being screwed to any suitable flat surface in the cabinet.
The controller can also be mounted in a cabinet door or other control panel,
using a suitable front-mounting kit.
Ambient temperature: 0…50°C.
Ambient humidity: max. 95 %RH, non-condensing.
4.2 Wiring
This section only describes general rules and technical limitations concerning the
wiring.
In chapter 5 there are specific wiring diagrams for the different control modes.
Choose the one suitable for the application on hand.
It is important to make sure that the wiring is correctly done, in accordance with
the instructions given in this manual and in accordance with local legislation for
this type of installation.
4.2.1 Supply voltage
24 V ~ ±15%, 50…60 Hz. 3 VA
4.2.2 Inputs and outputs
All ground terminals are interconnected and also connected to MM.
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