Samson 3374 Service manual

Mounting and

Operating Instructions

EB 8331-4 EN

Firmware version 2.04

Edition April 2014

Type 3374 Electric Actuator

Version with positioner, revision 2

Denition of signal words

DANGER!

Hazardous situations which, if not

avoided, will result in death or seri-

ous injury

WARNING!

Hazardous situations which, if not

avoided, could result in death or seri-

ous injury

NOTICE

Property damage message or mal-

function

Note:

Additional information

Tip:

Recommended action



2 EB 8331-4 EN

Contents

EB 8331-4 EN 3

1 General safety instructions.............................................................................7

2 Design and principle of operation ..................................................................8

2.1 Versions........................................................................................................8

2.2 Limit contacts.................................................................................................8

2.2.1 Mechanical limit contacts................................................................................8

2.2.2 Electronic limit contacts...................................................................................8

2.3 Technical data ...............................................................................................9

3 Installation..................................................................................................12

3.1 Mounting position........................................................................................12

3.2 Attachment to valve......................................................................................13

3.2.1 Construction with integrated yoke..................................................................13

3.2.2 Construction with ring nut.............................................................................13

4 Electrical connections...................................................................................15

5 Putting the actuator into operation ...............................................................16

6 Manual override .........................................................................................16

6.1 Mechanical override (only actuators without fail-safe action)...........................16

6.2 Moving the actuator stem manually ...............................................................16

7 Mechanical limit contacts .............................................................................17

7.1 Installing the limit contacts ............................................................................17

7.2 Adjusting the limit contacts ...........................................................................20

8 Electronic limit contacts................................................................................20

8.1 Installing the limit contacts ............................................................................20

8.2 Adjusting the limit contacts ...........................................................................21

9 Dimensions in mm.......................................................................................22

10 Operating controls ......................................................................................24

10.1 Display .......................................................................................................25

10.2 Rotary pushbutton........................................................................................27

10.2.1 Menu control ...............................................................................................27

10.3 Serial interface ............................................................................................28

11 Key number ................................................................................................29

11.1 Customized key number ...............................................................................30

4 EB 8331-4 EN

Contents

12 Operating level ...........................................................................................31

12.1 Selecting operating mode.............................................................................31

12.2 Adapting the display....................................................................................32

12.2.1 Reading direction.........................................................................................32

12.2.2 Backlight.....................................................................................................32

12.3 Initializing the actuator.................................................................................33

12.4 Reading errors.............................................................................................34

12.5 Applications................................................................................................35

12.5.1 Positioner ....................................................................................................35

12.5.2 PID controller...............................................................................................35

12.5.3 Two-step mode ............................................................................................36

13 Conguration level ......................................................................................37

13.1 Activating and setting parameters .................................................................37

13.2 Input signal .................................................................................................38

13.3 Operating direction......................................................................................39

13.4 End position guiding ....................................................................................41

13.4.1 Operating direction increasing/increasing.....................................................41

13.4.2 Operating direction increasing/decreasing....................................................41

13.5 Position feedback signal ...............................................................................41

13.6 Binary input ................................................................................................42

13.7 Binary output...............................................................................................43

13.8 Electronic limit contacts.................................................................................44

13.9 Restart ........................................................................................................45

13.10 Blockage.....................................................................................................45

13.11 Travel..........................................................................................................46

13.12 Characteristic ..............................................................................................47

14 Information level .........................................................................................50

14.1 Activating parameters ..................................................................................50

15 Diagnostic level...........................................................................................51

15.1 Activating and setting parameters .................................................................52

15.2 Troubleshooting ...........................................................................................53

15.3 Start zero calibration....................................................................................54

Contents

EB 8331-4 EN 5

15.4 Start initialization.........................................................................................54

15.5 Restarting the actuator (reset)........................................................................54

15.6 Loading default settings................................................................................54

15.7 Testing the display........................................................................................55

15.8 Measuring the transit time.............................................................................56

16 Memory pen ...............................................................................................57

16.1 Command pen.............................................................................................58

17 Appendix....................................................................................................60

17.1 Levels and customer data..............................................................................60

17.1.1 Operating level............................................................................................60

17.1.2 Congurationlevel.......................................................................................61

17.1.3 Information level..........................................................................................66

17.1.4 Diagnostic level ...........................................................................................67

17.1.5 Further codes on the display .........................................................................69

17.2 Nameplate..................................................................................................70

17.3 Customer inquiries .......................................................................................70

17.4 Replacing the display...................................................................................71

Firmware revisions

Old New

2.02 2.03

Internal revisions

2.03 2.04

Code c11 (Exit manual level for travel adjustment) indicated by MEND (previously MANU)

Memory pen with dialog

"No initialization performed" is indicated by RUNT and E00 error (previously NRUN,

E15)

IN/OUT reading for two-step mode

EB 8331-4 EN 7

General safety instructions

1 General safety instructions

For your own safety, follow these instructions concerning the mounting, start up and opera-

tion of the actuator:

−The actuator is to be mounted, started up or operated only by trained and experienced

personnel familiar with the product. According to these mounting and operating instruc-

tions, trained personnel refers to individuals who are able to judge the work they are as-

signed to and recognize possible dangers due to their specialized training, their knowl-

edge and experience as well as their knowledge of the applicable standards.

−Any hazards that could be caused in the valve by the process medium and the operating

pressure or by moving parts are to be prevented by taking appropriate precautions.

−The actuator is designed for use in low voltage installations. For wiring and maintenance,

you are required to observe the relevant safety regulations. Only use protective equip-

ment in which the power supply cannot be reconnected inadvertently.

−Before wiring the actuator, disconnect it from the power supply.

To avoid damage to any equipment, the following also applies:

−Proper shipping and storage are assumed.

Note:

Devices with a CE marking fulll the requirements of the Directives 2004/30/EU and

2014/35/EU.

The Declaration of Conformity is available on request.



8 EB 8331-4 EN

Design and principle of operation

2 Design and principle of op-

eration

The Type 3374 Electric Actuator is used in

industrial plants as well as in heating, venti-

lation and air-conditioning systems.

Theactuatorissuitableforform-tattach-

ment to various SAMSON valve series, and

with or without fail-safe action depending

on the version.

The stepper motor is switched off by

torque-dependent switches in the end posi-

tions or in case of overload. The force of the

motor is transmitted to the actuator stem via

gearing and ball screw.

Note:

On replacing a Type3374 Actuator

(revision 1) with a Type3374 Actua-

tor (revision 2), the wiring connection

of the binary input must be changed.

Instead of an external voltage supply,

a oating contact is needed. Other-

wise, the switching state cannot be

recognized.

Testing according to DINEN14597

TheType3374ElectricActuatorwithfail-ac-

tion "Actuator stem extends" is tested by the

German Technical Inspectorate (TÜV) ac-

cordingtoDINEN14597incombination

with various SAMSON valves. The register

number is available on request.

2.1 Versions

TheType3374ElectricActuatorisavailable

with or without fail-safe action.

Version with fail-safe action

Type 3374-2x and Type 3374-3x Actuators

are able to perform a fail-safe action and

contain a spring assembly and an electromag-

net. The actuator moves to the fail-safe posi-

tion when the electromagnet is de-energized.

ÎDo not use the fail-safe action to control

the valve position!

2.2 Limit contacts

The actuator can be equipped with either

mechanical or electronic limit contacts to in-

uencethetasksofcontrolequipment.

2.2.1 Mechanical limit con-

tacts

The two mechanical limit contacts can be ad-

justed independently from one another. They

are operated by mechanical pins. The instal-

lation and adjustment of the mechanical limit

contacts is described in section 7.

2.2.2 Electronic limit contacts

The two electronic limit contacts consist of re-

lays with changeover contacts. In contrast to

the mechanical limit contacts, the electronic

limit contacts no longer function after a power

supply failure. The relays are de-energized

and the contacts change to the idle state. The

retrottingandadjustmentoftheelectronic

limit contacts is described in section 8.



EB 8331-4 EN 9

Design and principle of operation

2.3 Technical data

Table1: Version without fail-safe action

Actuator Type 3374 -10 -11 -15

Type of connection With yoke 1) With ring nut 2)

Travel mm 30 15 30

Travel limit Between10and100%oftheratedtravel

Electrical connection

Power supply 24VAC±15%,47to63Hz

24VDC±15%

85to264VAC,47to63Hz

Power consumption Speed level: Normal · Fast

24 V AC 12 VA · 20 VA

DC 8 W · 13.5 W

85 to 264 V AC 15.5 VA · 24 VA

Possible fuse protection Melting integral of upstream fuse: I²ts≥12A²s

Transit time in s · Stroking speed in mm/s

Normal 3) 120 · 0.25 60 · 0.25 120 · 0.25 240 · 0.125

Fast 4) 60 · 0.5 30 · 0.5 60 · 0.5 120 · 0.25

Thrust in kN

Stem extends 2.5 2.5 2.5 5 5)

Stem retracts 2.5 2.5 2.5 5 5)

Manual override 4mmhexwrench.Refertosection6.

Weight

kg (approx.) 3.5 3.5 3.6

1) ForattachmenttoSAMSONSeriesV2001Valves(DN15to80)andtoSAMSONType3260

(DN65to150)andType3214Valves(DN65to100)

2) ForattachmenttoSAMSONSeries240ValvesandtoSAMSONType3214Valve(DN125to250)

3) Normal speed level (Code c64 = NORM)

4) Fast speed level (Code c64 = FAST)

5) In preparation

10 EB 8331-4 EN

Design and principle of operation

Table2: Version with fail-safe action

Actuator Type 3374 -21 -26 -31 -36

Type of connection With yoke 1) With ring nut 2) With yoke 1) With ring nut 2)

Fail-safe action Stem extends Stem retracts

Travel mm 15 15

Travel limit Between10and100%oftheratedtravel

Electrical connection

Power supply 24VAC±15%,47to63Hz

24VDC±15%

85to264VAC,47to63Hz

Power consumption Speed level: Normal · Fast

24 V AC 13.5 VA · 22 VA

DC 10 W · 15 W

85 to 264 V AC 18.5 VA · 27 VA

Possible fuse protection Melting integral of upstream fuse: I²ts≥12A²s

Transit time in s · Stroking speed in mm/s

Normal 3) 60 · 0.25 60 · 0.25 60 · 0.25 60 · 0.25

Fast 4) 30 · 0.5 30 · 0.5 30 · 0.5 30 · 0.5

Upon fail-safe action 12 · 1.25 12 · 1.25 12 · 1.25 12 · 1.25

Forces in kN

Thrust (stem extends) 2 2 2 2

Thrust (stem retracts) 0.5 0.5 0.5 0.5

Nominal thrust of safety

spring 2 2 0.5 0.5

Manual override

–

Weight

kg (approx.) 4.2 4.3 3.8 3.9

1) ForattachmenttoSAMSONSeriesV2001Valves(DN15to80)andtoSAMSONType3260

(DN65to150)andType3214Valves(DN65to100)

2) ForattachmenttoSAMSONSeries240ValvesandtoSAMSONType3214Valve(DN125to250)

3) Normal speed level (Code c64 = NORM)

4) Fast speed level (Code c64 = FAST)

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