Actuators for Electric Control Valves

OUR EXPERTISE FOR YOU

Competence in valve engineering

Founded in 1907, SAMSON has since becomea worldwide leader in the manufacture of expertly engineered control valves.
SAMSON has over 50 subsidiaries, amongst
them noted manufacturers of special valves,
such as AIR TORQUE, CERA SYSTEM, LEUSCH,PFEIFFER, RINGO VÁLVULAS, STARLINE andVETEC.
With our subsidiaries, we are represented inover 80 countries to assist our customers on allcontinents.

2

SAMSON provides you with valve engineeringand customer service from a single source: We support you in planning new installations or overhauling and expanding existing
plants.
 We assist you in selecting and configuring
the right equipment to suit your control requirements.
 We are close at hand to support your life
cycle management, from installation andstart-up to maintenance and service.

SAMSON develops and manufactures electriclinear actuators for a wide variety of requirements. They are mainly used in industrial processes, HVAC applications as well as in district
heating and cooling networks. Three basic actuator versions are available:
 Three-step version
The actuator stem is reliably moved by anelectric motor. Possible operating states are“Actuator stem extends”, “Standstill”, and“Actuator stem retracts”. This basic actuator
version is used in applications where only
normal requirements are placed on thecontrol accuracy of the electric control
valve.
 Version with positioner
The electric actuator comes with an integrated positioner. The movement of the actuator stem follows a continuous signal
from 0/4 to 20 mA or 0/2 to 10 V. This
allows a better control accuracy to beachieved compared to the three-step signal.
Additional features (e.g. adjustable stroking
speed, reversal of the direction of action,and blocking protection) allow the actuators with integrated positioner to be customized easily to your application.

 Electric actuator with process controller
The functions of an electric actuator withintegrated positioner and an input-connected digital controller have been combined
into one unit in the TROVIS electric actuators with process controllers. Signals fromthe ready-wired sensors are processed directly in the actuator depending on thecontrol function that has been configured.
The actuators can be used in heating andcooling applications as well as in domestic
hot water (DHW) systems.

Features of SAMSON
electric actuators:
 Large number of different configurations (supply voltage, thrust, transit time, etc.)
 Easy installation
 Quick start-up
 Well thought-out operating scheme No maintenance required Torque-dependent limit switches Safety tested according to
DIN EN 14597

3

ACTUATOR THRUST

Optimal power for every valve

SAMSON offers different actuator types in different versions to match the wide valve range.
Small valves in DN 15 as well as large valvesin sizes up to DN 250 can be fitted with electric
actuators. Small valve sizes with small rated
travels require small actuator thrusts to hold theclosure member in the closed position when thevalve is closed, for large valve sizes with large
rated travels, large actuator thrusts are required. This is why SAMSON offers a wide
variety of actuators, which generate the force
needed to safely close a valve depending on its
size but without deforming the actuator stem or
damaging the closure member and valve seat.

Type

Electric actuator
Max. thrust

3374

5827

5857

2500 N

700 N

300 N

TROVISElectric actuator withprocess controller

5757-35757-75724-35724-85725-35725-8Max. thrust

300 N

300 N

700 N

700 N

500 N

500 N

Thrust in N

Thrust in N
TROVIS 5724-8

Type 3374

TROVIS 5724-3
TROVIS 5725-8

Type 5827

TROVIS 5725-3
TROVIS 5757-7

Type 5857

TROVIS 5757-3
0

4

5000

0 200 400 600 800

In detail: actuator thrust
The actuator’s thrust acts on the valve’s closure
member through the actuator and valve stems
and thus influences the flow rate across thevalve. In valves with flow-to-open direction, theforces acting on the closure member are attheir highest in the closed position. The medium
pushes against the closure member, which only
remains closed if the opposing thrust from theactuator is high enough. As a result, the various
SAMSON R&D departments cooperate closelyin the development of electric actuators andvalves. Actuators and valves are tailored perfectly to one another, which ensures that control
valves shut off tightly at all times and that theleakage class demanded in the valve specifications is observed in the process.

FA = Actuator force (thrust)FA

FR = Friction force
FD = Shut-off force
FR
FD

5

TRANSIT TIME

Transit times tailored to every process

The requirements placed on how fast a valve
opens and closes vary from process to process.
The decisive factors that influence the time avalve needs to achieve the required control signal are the actuator’s response time and theactuator stem’s stroking speed. All SAMSON
electric actuators come with fast response times.
Only the stroking speeds can be selected:
If fastest transit times are required for highest
control accuracy or for immediate fail-close action, actuators versions that include a fast motor are the prime choice.

Type

Electric actuator
Transit time

3374

5827

5857

> 60 s> 18 s> 20 s

 1)

 1)

 1)

12 s

>4s

–

Adjustable
Transit time for fail-safe action
1)

6

If the process does not require fast stroking
speeds, there is no need for a fast, high-performance motor.
In some actuator versions, it is possible to adapt
the transit time. It can be adjusted in several
steps.

Version with positioner
TROVISElectric actuator withprocess controller

5757-35757-75724-35724-85725-35725-8Transit time

20 s

20 s

> 18 s> 35 s> 18 s> 35 sTransit time for fail-safe action

–

–

–

–

>4 s

>4s

In detail: control accuracy
Transit time and control accuracy are closely
related. The faster the actuator reaches therequired travel position, the higher the control
accuracy of the entire process. SAMSON electric actuators have all it takes to achieve prime
ratings in control accuracy:

 The actuators are highly sensitive to eventhe smallest control signal changes andstroke the valve accordingly.
 The actuator versions and configurations
can be selected to achieve the fastest transit
times in the valve.

Visualization in the TROVIS-VIEW software: positioning value, travel, and set point deviation

7

SAFETY

High reliability in every plant

In control loops where higher safety requirements apply, the control valve must be fully
closed or opened when a hazardous event occurs. This is why electric actuators are fittedwith a mechanical spring mechanism, which
retracts or extends the actuator stem when thesprings are relieved of pressure to safely closeor open the valve. This is the major difference
between actuators with and without fail-safe

TypeElectric actuator
Fail-safe action
1)

1)

Fail-safe action 1)

8

3374

5827

5857

–/

–/

–

The version with fail-safe action “actuator stem extends” used in combination with SAMSON Types 42-36, 2488,
3213, 3214, 3222, and 3241 Valves is tested by TÜV according to DIN EN 14597.
Electric actuator withprocess controller

1)

action: in actuators without fail-safe action, theactuator stem remains in its last position when
the supply voltage fails. To guarantee that thevalve reaches its fail-safe position in an emergency, the positioning force of the safety
springs and the transit time for fail-safe action
are perfectly tuned to one another.

TROVIS
5757-35757-75724-35724-85725-35725-8

–

–

–

–





The version with fail-safe action “actuator stem extends” used in combination with SAMSON Types 42-36, 2488,
3213, 3214, 3222, and 3241 Valves is tested by TÜV according to DIN EN 14597.

In detail: district heating plants conforming to DIN 4747
The standard application in the district heating
field includes a heating controller and electric
control valve with a three-step actuator.
Depending on the network parameters anddomestic installations, it may be necessary to
use a version with fail-safe action according
to DIN 4747, which protects inhabitants andthe system. For example, the highest priority
has a safety temperature monitor (STM), which

ensures that the control valve tested according
to DIN EN 14597 is closed when an excessive
temperature occurs. A globe valve is closed
on demand if it is used in combination with anactuator with fail-safe action „Actuator stem
extends”.

L

L

N

N

N eL aL

N eL aL

N L

1

2 4

eL = retracts

aL = extends

Sample electrical wiring of a three-step actuator without (left) and with fail-safe action (right)

9

OPERATION

Easy-to-use operating controls for every action

SAMSON focuses on the operator. As a result, electric actuators offer maximum convenience in terms of operation: The current actuator travel can be read off
directly from the actuator, either from ascale or a display.
 The manual override in actuators without
fail-safe action is easily accessible.

Type

Electric actuator

1)

3374

5827

5857

Travel indicator







Manual override



–/



Automatic initialization

 1)

 1)

 1)

Rotary pushbutton and LCD

 1)

–

–

TROVIS-VIEW softwareLEDs as status indicators

–

1)



1)

 1)



1)

 1)

Version with positioner

Electric actuator withprocess controller

TROVIS
5757-35757-75724-35724-85725-35725-8













Manual override









–

–

Automatic initialization














Travel indicator10 Automatic initialization allows the actuator
to be adapted to the valve quickly.
 Actuators can be configured using a rotary
pushbutton and codes on the display orconveniently using the SAMSON TROVISVIEW software.
 Errors are clearly indicated either by an
LED or on the display.

Operating keys and display

–

–

–



–

TROVIS-VIEW software













LEDs as status indicators













In detail: operation
TROVIS-VIEW provides a uniform user interface that allows users to configure and parameterize various SAMSON devices using devicespecific database modules.
Function and parameter settings can be saved
to files, archived, and transmitted to the electric
actuator over an interface adapter. In online
mode, process data of the connected actuatorand the device status can be displayed. Extensive documentation to monitor the valve’s condition is achieved by logging actuator data. For
example, the Trend-Viewer function tracks process data over time. The actuator is connecting
using the serial interface or a USB port of acomputer; the TROVIS 5724-8 and 5725-8
Electric Actuators with Process Controllers canalso be connected using RS-485.
For almost all electric actuator versions withpositioner and electric actuators with processcontrollers, data can be saved to a memory
pen as well. The saved data can be imported
into other actuators and standard computer
programs. Depending on the configuration of
the memory pen, process data can be recorded
to assess them at a later stage.
In command mode, it is also possible to retract
or extend the actuator stem with the memorypen.

5724-85725-8•)))

RS-485
3374

USB

5827
5724-35725-3

RS-232

RJ-12

RS-2325857
5757-3/-7
RJ-12

RS-232

USB

11

OPTIONS

Optional accessories for every application

Electric actuators are subject to numerous
requirements that vary considerably dependingon the application. In cases where the standard
actuator version cannot meet the control demands, SAMSON electric actuators can be fitted with an extensive range of optional accessories.

TypeElectric actuator
Limit contacts

1)

Mechanical

12

3374

5827

5857





–

1)

–

–

Resistance transmitters





–

Modbus––ElectronicVersion with positioner
Electric actuator withprocess controller

1)

The SAMSON product range includes special
control and sensor accessories for the electric
actuators with process controllers that have
proven reliable and useful in heating, cooling,
and DHW applications. They make it significantly easier to engineer the control loop andstart up the control valve.

TROVIS
5757-35757-75724-35724-85725-35725-8Switching output













Modbus

–

–

–



–



Temperature sensors (Pt 1000)







 1)



 1)

Water flow sensor



–



–



–

Standard (ready wired on the electric actuator with process controller)In detail: optional accessories
Limit contacts – Electronic and mechanicallimit contacts issue a signal to the control system when the valve reaches one of two adjustable limits. Contrary to mechanical limit contacts, electronic limit contacts can easily be
adjusted on the device or using the TROVISVIEW software.
Resistance transmitters – Resistance transmitters are used on three-step actuator versions.
Since they are connected to the gearing, they
can feed back the valve position as a resistancevalue between 0 and 1000 Ω, which is proportional to the travel.
Switching output – The switching output can beused as a pump output, a fault alarm output, or– in DHW applications – as an output to reportwhen hot water is tapped.

ModbusmasterModbus – Modbus can be used to connect theactuator to the control station or a SAM DIGITAL business application. This turns the electric
control valve into a unit suitable for Industry 4.0
environments, which is capable of receiving
and transmitting data.
Temperature sensors and water flow sensor –Temperature sensors are available for all applications where electric actuators with processcontrollers are used. In DHW, the water flow
sensor can detect when and how much hot water is tapped.

RS-485 Modbus RTU
3374

5724-85725-8

Modbus topology

13

ELECTRIC ACTUATORSFOR EVERY APPLICATION

Continuous control

Heating and cooling in sequence
Plants or machines frequently used in HVAC
applications with changing temperature processes (heating and cooling) must either beheated or cooled depending on the ambient
temperature. This is where the split-range function comes in handy, which is provided by the
positioner integrated into the actuator: a single

continuous control signal for the controller is
fed to one actuator for heating and to a second actuator for cooling.
In the intermediate temperature range, none of
the two actuators is active, both valves areclosed.

TROVIS 6495-2

Heating

CoolingType 3241/3374

14

MACHINE

Type 3241/3374

Split-range operation (small or rated load)
For systems operating across wide load ranges,
it makes sense to connect a valve with a low KV
coefficient to handle small loads in parallelwith a valve with high KV coefficient to handle
the rated load. The actuators are controlled bya single continuous control signal, which initially causes the valve with the low KV coeffi-

cient to stroke to its maximum travel. After that,the control signal is fed to the valve with thehigh KV coefficient. To do so, the split-rangefunction provided by the positioners in the two
actuators is used.

TROVIS 6495-2

Type 3241/3374

Type 3241/3374

15

ELECTRIC ACTUATORSFOR EVERY APPLICATION

Heating control based on the outdoor temperature

Heating control using three-step actuators
Compact stations used in local heat supply or
district heating applications need a district
heating controller that regulates the flow temperature in the heating system depending on

TROVIS 5573-1

Type 2488/5857

16

the outdoor temperature. One of the essential
requirements stipulated by district heating suppliers is that the return flow temperature fed
back to the network is limited.

Heating control using electric actuators with process controllers
The application is as described on the previous
page. In this application, however, the district
heating controller and electric actuator are replaced by an electric actuator with processcontroller (e.g. TROVIS 5757-7) for heating andcooling applications. The controller has func-

tions for outdoor temperature compensatedcontrol and return flow temperature limitation
already implemented. In addition, it can directly switch a pump on and off.

Type 2488/5757-7

17

ELECTRIC ACTUATORSFOR EVERY APPLICATION

Process control applications

DHW in instantaneous heating systems
Domestic hot water using instantaneous heating systems is the state-of-the-art way of supplying hot water for domestic use.
This type of control has two main requirements:
quick measurement of the DHW temperature in
the secondary flow pipe of the heat exchanger
using quick-response sensors and a high stroking speed of the actuator.

Type 3222/5757-3

18

The control system, which has a constant flow
temperature, detects when hot water is being
tapped and quickly controls the temperature on
demand. The required controls are integrated
into the SAMSON electric actuators with process controllers specifically designed for DHW,
such as the TROVIS 5757-3.

District cooling transfer stations
In district cooling networks, the very compact
TROVIS 5724-8 Electric Actuator with Process
Controller can be used to control consumers invalve sizes up to DN 50. The associated, readywired application is configured such that thesecondary flow temperature is controlled to a

fixed set point, which also takes into accountdisturbances resulting from the primary flow (ornetwork) temperature or the secondary return
flow temperature.

Type 2488/5724-8

19

ELECTRIC ACTUATORSFOR EVERY APPLICATION

Cooling water control
In industrial cooling processes, e.g. in calenders or machines with cooling rolls, the coolingwater is often fed in at the full flow rate thewhole time. To improve the energy efficiency ofthis process, a control unit comprising a TROVIS
5724-8 Electric Actuator with Process Controller and a suitable valve can be used. The flow

Type 3222/5724-8

20rate is increased only when there is an actual
cooling demand or when the measured temperature difference between the return flow
and flow temperatures deviates from the rated
temperature difference. At the same time, thereturn flow temperature can be monitored forexcessive values and restricted as required.

Energy efficiency for large valves
Large-sized valves (up to DN 400) often workwith a small-sized pilot valve. If, for example, a
TROVIS 5724-8 Electric Actuator with Process
Controller takes over the control of the pilot
valve, all the functions for heating and coolingapplications can be used indirectly for thelarge-sized valve as well.

21

MODELS

Type 3374 – With 15 to 30 mm rated travel,
the actuator is suitable for mounting on medium to large-sized valves. In addition to HVAC
applications and district heating and cooling
networks, these actuators can also be used inindustrial processes. The cable glands they are
fitted with make them dust tight and protect
them against water jets.

Types 5857/5827 – Even these „small” SAMSON
actuators come with a huge range of functions.
It takes but a few steps to mount them on thevalve with a force-locking or form-fit connection. The versions with integrated positioner
include automatic calibration to the valve,
blocking protection, and further actuator functions that can be customized using the TROVISVIEW software.

22

TROVIS 5757-3/5724-3/5725-3/5757-7 – Theactuators have specifically been designed foruse in DHW and heating systems, their design
benefitting from several decades of expertise
SAMSON has acquired in developing firmware
for heating and district heating controllers. The
electric process controllers can control the temperature in a heating or DHW circuit. Ease ofoperation is also a major factor. For example,
the electric actuators with process controllers for
DHW detect when hot water is being tapped,
they maintain the heat exchanger at a constanttemperature, and initiate thermal disinfection. As
standard, the actuators for heating applications
come with control depending on the outdoor
temperature or the room temperature.

TROVIS 5724-8/5725-8 – They are the allrounders among the electric actuators with process controllers and can considerably reduce
the energy consumption in heating and coolingapplications. Fixed set point, follow-up, override or cascade control can easily be implemented using preconfigured plant schemes.
The set points and operating mode can conveniently be adjusted on the control panel on site.
Devices with RS-485 interface can be connected to the SAM DISTRICT ENERGY interface.
Patent pending (DE 10 2014 012 621 A1)

23

MODULAR DESIGN: ELECTRIC CONTROL VALVES

Type ... Valve

Type ... Electric Actuator
Globe

2488

n

2488 N

n

3213

n

3214

Three-wayn

3222
3222 N

n

3226

n

3260

3241

n

n

3244
3321 (V2001)

nn

3323 (V2001)

42-36 E

1)
2)

n

n

Actuator without fail-safe function
Form-fit connection

Travel [mm]Valve size

3374

TROVIS ... Electric Actuator with Process Controller

5827

5857 1)5724-3 1)

5724-8 1)

5725-35725-85757-3 1)

5757-7 1)

n

n

n

n

n

n

n

n

n

n

n
n

n

n

n

6

DN 15 to 25

n

12

DN 32 to 50

n

6

DN 15

n

6

DN 15 to 25

n

n

n

n

n

12

DN 32 to 50

n

n

n

n

n

n

6

DN 15 to 25

n

n

n

n

n

12

DN 32 to 50

n

n

n

n

n

15

DN 65 to 80

n

n 2)

n 2)

n 2)

15

DN 100n30

DN 125 to 250

n6

DN 15 to 25

n

12

DN 32 to 50

n

6

DN 15

n

n

n

n

n

n

n

n

n

n

6

DN 15 to 25

n

12

DN 32 to 50

n

n

n

n

n

n

n

n

6

DN 15 to 25

n

n

n

n

12

DN 32 to 50

n

n

n

n

15

DN 65 to 80

n

n 2)

n 2)

n 2)

30

DN 100 to 150

n15

DN 15 to 80

n

n

n

n

n

n
n
n

STAFF

PRODUCTION SITES– Worldwide 4,500– Europe 3,600– Asia 600– Americas 200– Frankfurt am Main, Germany 1,900– SAMSON Germany, Frankfurt, established in 1916
Total plot and production area: 150,000 m²

INDUSTRIES AND APPLICATIONS– Chemicals and petrochemicals– Food and beverages– Pharmaceuticals and biotechnology– Oil and gas– Liquefied Natural Gas (LNG)– Marine equipment– Power and energy– Industrial gases– Cryogenic applications– District energy and building automation– Metallurgy and mining– Pulp and paper– Water technology– Other industries

PRODUCTS– Valves– Self-operated regulators– Actuators– Positioners and valve accessories– Signal converters– Controllers and automation systems– Sensors and thermostats– Digital solutions

30

DN 100 to 150

n15

DN 15 to 80n

SALES SITES30

DN 100 to 150

n15

DN 15 to 50

n30

DN 65 to 100n– More than 50 subsidiaries
in over 40 countries– More than 200 representatives

15

DN 15 to 50

n30

DN 65 to 100

n10

DN 15 to 50

16

DN 65 to 100

n22

DN 125 to 250

n

n 2)

n

n

n 2)

n

n

n

n

n

n 2)

n 2)

n 2)

n

Actuators for Electric Control Valves– SAMSON France, Lyon, established in 1962
Total plot and production area: 23,400 m²– SAMSON Turkey, Istanbul established in 1984
Total plot and production area: 11,100 m²– SAMSON USA, Baytown, TX, established in 1992
Total plot and production area: 20,000 m²– SAMSON China, Beijing, established in 1998
Total plot and production area: 47,000 m²– SAMSON India, Pune district, established in 1999
Total plot and production area: 28,000 m²– SAMSON Russia, Rostov-on-Don, established in 2015
Total plot and production area: 24,000 m²– SAMSON AIR TORQUE, Bergamo, Italy
Total plot and production area: 27,000 m²– SAMSON CERA SYSTEM, Hermsdorf, Germany
Total plot and production area: 14,700 m²– SAMSON KT-ELEKTRONIK, Berlin, Germany
Total plot and production area: 1,100 m²– SAMSON LEUSCH, Neuss, Germany
Total plot and production area: 18,400 m²– SAMSON PFEIFFER, Kempen, Germany
Total plot and production area: 20,300 m²– SAMSON RINGO, Zaragoza, Spain
Total plot and production area: 19,000 m²– SAMSON SED, Bad Rappenau, Germany
Total plot and production area: 10,400 m²– SAMSON STARLINE, Bergamo, Italy
Total plot and production area: 27,000 m²– SAMSON VDH PRODUCTS, the Netherlands
Total plot and production area: 12,000 m²– SAMSON VETEC, Speyer, Germany
Total plot and production area: 27,100 m²

n

SAMSON AKTIENGESELLSCHAFT
Weismuellerstrasse 3 · 60314 Frankfurt am Main, Germany
Phone: +49 69 4009-0 · Fax: +49 69 4009-1507
E-mail: samson@samsongroup.com
Internet: www.samsongroup.com

2022-10 · WA354 EN

Valve combinations

SAMSON AT A GLANCEOVERVIEW: ACTUATORS FOR ELECTRIC CONTROL VALVESOUR EXPERTISE FOR YOU

Competence in valve engineering
Actuator functions

Type ... Electric Actuator
3374

TROVIS ... Electric Actuator with Process Controller

5827

5857

5757-35757-75724-3

Rev. 3

Founded in 1907, SAMSON has since becomea worldwide leader in the manufacture of expertly engineered control valves.
SAMSON has over 50 subsidiaries, amongst
them noted manufacturers of special valves,
such as AIR TORQUE, CERA SYSTEM, LEUSCH,PFEIFFER, RINGO VÁLVULAS, STARLINE andVETEC.
With our subsidiaries, we are represented inover 80 countries to assist our customers on allcontinents.

SAMSON provides you with valve engineeringand customer service from a single source: We support you in planning new installations or overhauling and expanding existing
plants.
 We assist you in selecting and configuring
the right equipment to suit your control requirements.
 We are close at hand to support your life
cycle management, from installation andstart-up to maintenance and service.

TROVISTROVIS 5757-3/5724-3/5725-3/5757-7/5725-7
5757-3/5724-3/5725-3/5757-7 – Theactuators
Die Spezialisten
have specificallyfür den Einsatz
beenindesigned
Trinkwasserforuse
erwärmungsin DHW and
und heating
Heizungsanlagensystems, theirprofitieren
designbenefitting
von der jahrzehntelangenfrom several decades
Erfahrung,of expertise
die
SAMSONSAMSON has
beiacquired
der Firmwareentwicklung
in developing firmware
vonfor
Heizungsheating und
and Fernheizungsreglern
district heating controllers.
hat. The
Die
electric
elektrischen
process
Prozessregler
controllers cankönnencontroldie theTempetemperature
ratur in einem
in a heating
Heiz- oderor DHW
Trinkwasserkreis
circuit. Ease
ausof
operation
regeln. Dabei
is alsokommt
a majorderfactor.
KomfortFor beimexample,Anthewenderelectric
nicht
actuators
zu kurz.
withDafürprocesssorgencontrollers
bei denfor
DHW
Prozessregelantrieben
detect when hot zur
water
Trinkwassererwäris being tapped,
theymungmaintainFunktionen
the heatwieexchanger
Zapfungserkennung,at a constanttemperature,
Wärmetauscher-Warmhaltung
and initiate thermalunddisinfection.
thermischeAsstandard,
Desinfektion.
the Beiactuators
den Geräten
for heating
für Heizungsanapplications
comelagen with
gehörencontroldie depending
witterungs- onodertheraumtemoutdoor
temperature
peraturgeführte
or theRegelungroom temperature.
zum Standard.

5724-85725-35725-85725-8

Rev. 1

Rev. 2

Rev. 1

Rev. 2

Attachment up to valve size DN 1)

250

50

25

25

25

50

50

50

50

50

50

Thrust up to ... N

2500

700

300

300

300

700

700

700

500

500

500

Min. stroking speed ... mm/s

0.125

0.3

0.6

0.3

0.3

0.3

0.18

0.18

0.3

0.18

0.18

Fail-safe action

–/n

–/n

–

–

–

–

–

–

n

n

n

Three-step control

n

n

n

–

–

–

–

–

–

–

–

Positioner

n

n

n

n

n

n

n

n

n

n

n

Heating or cooling

n

2)

–

–

n

n

n

n

n

n

n

n

DHW heating

–

–

–

n

–

n

–

–

n

–

–

Travel indicator

n

n

n

n

n

n

n

n

n

n

n

Manual override

n

n

n

n

n

n

n

n

–

–

–

Automatic initialization

n

2)

n

2)

n

2)

n

n

n

n

n

n

n

n

Rotary pushbutton

n 2)

–

–

–

–

–

–

–

–

–

–

Operating keys

n

2)

–

–

–

–

–

n

n

–

n

n

Display

n 2)

–

n

–

–

–

n

n

–

n

n

LEDs as status indicators

–

n 2)

–

n

n

n

n

n

n

n

n

RJ-12 communication interface

n

2)

n

2)

–

n

n

n

n

n

n

n

n

n

2)

n

2)

n

2)

n

n

n

n

n

n

n

n

8812-2001,
1400-7699

8812-2001,
1400-7699

8812-2001,
1400-7699

8812-2001,
1400-7699

8812-2001,
1400-7699

8812-2001,
1400-7699–

1402-1300

8812-2001,
1400-7699–

1402-1300

n

n

–

–

–

–

–

–

–

–

–

Electronic limit contacts

n

2)

–

–

–

–

–

–

–

–

–

–

Resistance transmitters

n

n

–

–

–

–

–

–

–

–

–

Switching output

–

–

–

n

n

n

n

n

n

n

n

VersionOperation

TROVIS-VIEW
TROVIS-VIEW adapter
Options

TROVIS 5724-8/5725-8
5724-8/5725-8 –– Diese
They Alleskönner
are the allrounders
unter denamong
elektrischen
the electric
Prozessregelantrieben
actuators with processüberzeugen
controllers
durch
and ihr
canEnergieeinsparpotenconsiderably reducethezialenergybei Heizconsumption
und Kühlinanwendungen.
heating and coolingÜberapplications.
vorkonfigurierte
Fixed
Anlagenkennziffern
set point, follow-up,lassen
overridesich orleichtcascadeFestwert-,
controlFolge-,
can easily
Begrenzungsbe implemented
oder Kaskadenregelungenusing preconfiguredrealisieren.
plant schemes.
SollThewertsetundpointsBetriebsart
and operating
sind vormodeOrt amcanBedienconveniently
feld einstellbar.
be adjustedInonder
the Ausführung
control panelmit
on site.
RSDevices
485-Schnittstellewith RS-485
sindinterfacediese canGerätebe connectfür dieedAnbindungto the SAM
an das
DISTRICT
Web-Portal
ENERGY
SAM
interface.
DISTRICTPatentENERGYpending
geeignet.
(DE 10 2014 012 621 A1)
Zum Patent angemeldet (DE 10 2014 012 621 A1)

25724-8Mechanical limit contacts

Communication using Modbus RS-485

n

–

–

–

–

–

–

n

–

–

n

Temperature sensor(s) Pt 1000

n 2)

–

–

n

n

n

n 4)

n 4)

n

n 4)

n 4)

Water flow sensor

–

–

–

n

–

n

–

–

n

–

–

Depending on the valve used
Version with positioner
4)
Standard (ready wired on the electric actuator with process controller)1)2)23