Samson TROVIS 5757-3 Foglio di istruzioni

Conguration Manual

KH 5757 EN

Firmware version 2.20

Translation of original instructions

Edition June 2016

TROVIS5757-3

Electric Actuator with Process Controller

for domestic hot water heating

2 KH 5757 EN

Denition of signal words

Hazardous situations which, if not avoided,

will result in death or serious injury

Hazardous situations which, if not avoided,

could result in death or serious injury

Property damage message or malfunction

Additional information

Recommended action

DANGER

WARNING

NOTICE

Note

Tip

Notes on this conguration manual

The documentation for TROVIS5757-3 Electric Actuator with Process Controller is divided in-

to two parts:

−Mounting and Operating Instructions uEB5757

−Conguration Manual KH5757

This Conguration Manual KH5757 is intended for qualied personnel with experience in

control engineering. All the ready-congured systems are described.

It is assumed that users are familiar with the operation of the device and the TROVIS-VIEW

conguration software. If necessary, refer to the associated mounting and operating instruc-

tions:

uEB 5757 for the mounting, start up, and operation of the electric actuator with process

controller

uEB6661 for the operation of the TROVIS-VIEW conguration software

The mounting and operating instructions for all supplied devices are

included in the delivery. The latest versions of the documents are available

on our website at www.samson.de > Product documentation. You can

enter the document number or type number in the [Find:] eld to look for

a document.

Contents

KH 5757 EN 3

1 General ........................................................................................................4

2 Functions and parameters..............................................................................5

2.1 DHW heating in instantaneous heating system .................................................5

2.1.1 DHW tapping recognition with a ow switch....................................................6

2.1.2 Tapping detection using the water ow sensor ..................................................7

2.2 Set point changeover......................................................................................7

2.3 Maintaining the heat exchanger at a constant temperature................................8

2.4 Excessive temperature protection .....................................................................9

2.5 Frost protection ..............................................................................................9

2.6 Control parameters ......................................................................................10

2.7 External demand processing .........................................................................10

2.8 Function of switching output..........................................................................11

2.9 Direction of action........................................................................................12

3 Functions of memory pen.............................................................................13

3.1 Command mode..........................................................................................13

3.2 Data logging ...............................................................................................13

4 Additional readings and functions in the TROVIS-VIEW software ...................14

4.1 Manual level in TROVIS-VIEW ......................................................................14

4.2 Operating information .................................................................................15

4.3 Operating states ..........................................................................................15

4.4 Functions ....................................................................................................16

4.5 Status messages..........................................................................................16

4.6 Statistics......................................................................................................17

5 Conguration list and customer settings........................................................18

5.1 Customer setting ..........................................................................................20

4 KH 5757 EN

General

1 General

The functions and parameters are changed in the TROVIS-VIEW software. To transfer settings

from the software to the electric actuator or vice versa, they must be connected. See

uEB6661.

The software in online mode has a direct inuence on the connected device, and, as a result,

on the valve. To avoid personal injury or property damage, plant operators and operating

personnel must prevent hazards that could be caused in the control valve by the process me-

dium, the operating pressure, the signal pressure or by moving parts by taking appropriate

precautions. They must observe all hazard statements, warning and caution notes in the ref-

erenced documents.

Accessories for communication:

The TROVIS-VIEW software for revision 2 of the

TROVIS5757-3

Electric Actuator with Pro-

cess Controller is required. The TROVIS-VIEW software can be downloaded free of charge

from our website (uwww.samson.de at Services > Software > TROVIS-VIEW). The software

can also be supplied on a CD-ROM. Further details can be found in Data Sheet uT6661.

WARNING

KH 5757 EN 5

Functions and parameters

2 Functions and parameters

2.1 DHW heating in instantaneous heating system

Zir

VL RL

WSS

VSTW

VSTW DHW sensor RL District heating return ow WW Hot water

WSS Water ow sensor VL District heating supply KW Cold water

Zir Circulation pipe

Fig.1: DHW heating in instantaneous heating system with ow sensor and DHW tapping

recognition

The DHW temperature is controlled to the set point temperature in DHW heating in instanta-

neous heating systems:

ÎIf the DHW temperature falls below the set point, the actuator opens the valve (pulses) to

increase the DHW temperature.

ÎIf the DHW temperature exceeds the set point, the actuator closes the valve (pulses) to

reduce the DHW temperature.

Functions WE Conguration

F01: DHW tapping recognition 1 F01 - 0

Parameters WE Value range

P01: Set point W1 60°C 0 to 100°C

P02: Set point W2 70°C 0 to 100°C

6 KH 5757 EN

Functions and parameters

Operation with a DHW sensor

A Pt1000 temperature sensor (e.g. Type5207-0060, ideally combined with a sensor pocket

to provide the best positioning of the sensor at the heat exchanger) measures the DHW tem-

perature at the heat exchanger. The measured temperature is compared with the set point

and the valve is moved accordingly to achieve this temperature (see above).

Operation with a current input

As an alternative to a ow sensor, the input of the current ow temperature can be also be

implemented by the current input (0 to 20mA or 4 to 20mA). The input signal is based on

the measuring range (Xmin to Xmax). The measured DHW temperature is compared with the

set point and the valve is moved accordingly to achieve this temperature (see above).

The function to maintain the water temperature at a constant temperature (see section2.3)

cannot be used when the current input is active.

Functions WE Conguration

F05: Current input 0F05 - 1

F06: Function of current input 0F06 - 0

F07: Measuring range of current input 0F07 - 0: 0 to 20mA

F07 - 1: 4 to 20mA

Parameters WE Value range

P03: Lower measuring range value Xmin 0°C –50 to 90°C

P04: Upper measuring range value Xmax 100°C 10 to 150°C

2.1.1 DHW tapping recognition with a ow switch

The ow switch is used to indicate when DHW tapping is starts and nishes. A closed contact

causes the pump to start running (the DHW temperature control at the DHW sensor is active).

An open contact causes the valve to close and the pump to be switched off.

Functions WE Conguration

F01: DHW tapping recognition 1 F01 - 1

F02: Flow rate sensor 1 F02 - 0

NOTICE

KH 5757 EN 7

Functions and parameters

2.1.2 Tapping detection using the water ow sensor

In contrast to the DHW tapping recognition with a ow switch, the extent of tapping is indi-

cated as well as when the DHW tapping starts and nishes.

By activating the optimizing function Adaptation, the device adapts itself to changing net-

work conditions without having to change the control parameters (see section2.6). The opti-

mizing function can only be activated when a water ow sensor is used.

Hot water being tapped is also detected when the maximum ow rate of the water ow sen-

sor is exceeded.

Functions WE Conguration

F05: Current input 1 F01 - 1

F06: Function of current input 1 F02 - 1

F07: Measuring range of current input 1 F07 - 1

2.2 Set point changeover

The device can use two different set points, W1 and W2, for control, e.g. hot water tempera-

ture in normal used and for thermal disinfection. The set points changeover is implemented

by the binary input (BI1):

−BI1 open: W1 is the set point

−BI1 closed: W2 is the set point

It is only possible to change between set points W1 and W2 when the DHW temperature is

measured with a Pt1000 resistance sensor (F05 - 0).

When the binary input BI1 is used, the current input cannot be used. It also not possible to

deactivate the function to maintain the heat exchanger at a constant temperature (see sec-

tion2.3) when the binary input is used for set point switchover.

Functions WE Conguration

F05: Current input 0F05 - 0

F08: Function of binary input 0F08 - 1

NOTICE

8 KH 5757 EN

Functions and parameters

2.3 Maintaining the heat exchanger at a constant temperature

When the DHW tapping recognition is active, the actuator controls the hot water to the set

point temperature only when hot water is demanded. To guarantee that the temperature

reaches the set point W1 quickly when hot water is demanded again, the heat exchanger is

prevented from cooling down by the function to maintain the heat exchanger at a constant

temperature: the hot water is kept at a temperature reduced by the set-back difference.

Depending on the conguration, the reduced set point applies after hot water has been

tapped until the next demand or while the heating period to maintain heat exchanger at con-

stant temperature (P12) is active.

Upon power supply failure, an active function is canceled. After the power supply is recon-

nected, hot water must be tapped to reactivate the function.

Functions WE Conguration

F01: DHW tapping recognition 1 F01 - 1

F09: Maintain heat exchanger at constant

temperature

0F09 - 0: Time adjustable (P12)

F09 - 1: Continuous

Parameters WE Value range

P11: Set-back difference 8K 0 to 30K

P12: Heating period to maintain heat ex-

changer at constant temperature

24.0h 0 to 25.5h

Inuence of the binary input BI1

If the binary input BI1 is not required for set point switchover, it is used to deactivate the func-

tion to maintain the heat exchanger at a constant temperature.

−BI1 open: function to maintain heat exchanger at a constant temperature according to

conguration of F09.

−BI1 closed: function inactive

When the binary input BI1 is closed, an active function to maintain the heat exchanger at

a constant temperature is immediately terminated, even when the Heating period to

maintain heat exchanger at constant temperature has not yet elapsed.

NOTICE

KH 5757 EN 9

Functions and parameters

When the binary input is active, the current input cannot be used.

Functions WE Conguration

F05: Current input 0F05 - 0

F08: Function of binary input 0F08 - 0

2.4 Excessive temperature protection

The actuator closes the valve when the ow temperature at the ow sensor exceeds the upper

limit (GWH).

When F10-0 is congured, no monitoring of the ow temperature for violation of the upper

limit takes place.

Functions WE Conguration

F10: Upper limit (GWH) 0F10 - 1

Parameters WE Value range

P05: Upper limit (GWH) 95°C 0 to 100°C

2.5 Frost protection

When the function is active, the ow temperature is monitored for violation of the lower limit.

When the temperature falls below the lower limit (GWL), the actuator opens the valve (puls-

es) until the temperature exceeds the lower limit plus hysteresis.

When F11-0 is congured, no monitoring of the ow temperature for violation of the lower

limit takes place.

Functions WE Conguration

F11: Lower limit (GWL) 0F11 - 1

Parameters WE Value range

P06: Lower limit (GWL) 5°C 0 to 20°C

NOTICE

10 KH 5757 EN

Functions and parameters

2.6 Control parameters

Parameters WE Value range

P07: Proportional-action coefcient KP 0.8 0.1 to 50

P08: Reset time Tn 15s 0 to 999 s

P09: Derivative-action time Tv 0s 0 to 999 s

P10: Actuator transit time Ty 25s 0 to 240 s

The actuator transit time Ty actuator transit time for valve travel (P10) reects the time that the

valve needs to move through the range from 0 to 100% without stopping. The default setting

is 25s.

The default setting is based on the rated travel of 6mm. The actual transit time can be deter-

mined by the "Start transit time measurement" parameter. See section4.4.

2.7 External demand processing

The device can process an external demand for heat depending on the conguration. A

measuring range (Xmin to Xmax) is assigned to the current signal (0 to 20mA or 4 to

20mA, set point). The external hot water set point has priority over the internal set point.

Only a Pt1000 sensor can be used to measure the hot water temperature when the function

for an external demand is active.

Functions WE Conguration

F05: Current input 0F05 - 1

F06: Function of current input 0F06 - 1

F07: Measuring range of current input 0F07 - 0: 0 to 20mA

F07 - 1: 4 to 20mA

Parameters WE Value range

P03: Lower measuring range value Xmin 0°C –50 to 90°C

P04: Upper measuring range value Xmax 100°C 10 to 150°C

NOTICE

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