Samson SAM -01 Service manual

Electric Actuators

Linear Actuator

Type SAM -01 to SAM -52

Mounting and

Operating Instructions

EB 8 0 EN

Edition April 1999

Fig. 1

⋅

Type SAM -20 Linear Actuator, rated travel 30 mm, nominal thru t 6 kN

Contents

Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1 Principle of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.1 Application 5

1.2 Ver ion 5

1.3 Function 5

1.3.1 Electrical equipment 6

2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 In tallation requirement 12

4.2 Mounting po ition 12

4.3 Attaching the actuator to a control valve 12

4.4 Manual operation 14

5 lectrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.1 Removing the cover 16

5.2 E tabli hing the connection 17

5.3 Start-up 17

6 Connection examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Connection example 1(three-way valve) 19

Connection example 2 (globe valve) 20

7 Adjustment and calibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

7.1 Travel 21

7.2 Potentiometer 21

7.3 Electronic po ition tran mitter 22

7.4 Limit witch WE-S3 24

7.5 Signal witch WE-S4 to WE-S6 24

8 Additional electrical equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8.1 Heating 26

8.1.1 Retrofitting the heating re i tor 26

9 Positioners. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

9.1 Electrical connection 27

9.1.1 Connecting the control line 28

9.1.2 Feedback ignal 28

9.2 Correction with potentiometer "A" and "B" 28

9.3 Rever ing 29

9.4 Sequential mode 29

10 Maintenance and service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

10.1 Circuit diagram Type SAM - ... with po itioner (maximum equipment) 30



 

Safety instructions

The actuator de cribed below are part of a power plant in tallation for indu trial application .

They are de igned in accordance with the generally applicable technical regulation .

The connection and tart-up of the linear actuator require expert knowledge on the in tallation

of power y tem and equipment (according to DIN VDE 0100), on accident prevention regula-

tion and the pecial tart-up condition for linear actuator .

The e mea ure require qualified per onnel.

According to the e Mounting and Operating In truction , qualified per onnel i referred to a

individual who are able to judge the work they are a igned to and recognize po ible danger

due to their pecialized training, their knowledge and experience a well a their knowledge of

the applicable tandard , e. g.

–

training/in truction or authorization to activate/deactivate, i olate, ground, and mark de-

vice / y tem according to the afety engineering tandard ,

–

training or in truction in accordance with the afety engineering tandard regarding main-

tenance and application of uitable afety equipment,

–

fir t aid training.

Plea e ob erve the following pecial ymbol

u ed in the e Mounting and Operating In-

truction .

Certain afety related information or in truc-

tion are brought to your attention.

Electrical or live part are unprotected and

freely acce ible. Ri k of death!

Symbols in these Mounting and Operating Instructions

•

DANG R!

Electrical power or live part are

freely acce ible.

If in truction a per the e Mounting

and Operating In truction are not

followed, death or serious injury and

property damage may re ult!

WARNING!

Indicate a potentially hazardou itu-

ation which, if not avoided, could re-

ult in property damage or even per-

sonal injury !

NOT !

Here, you will find upplementary detail , in-

formation and tip .

CAUTION!

Indicate a potentially hazardou itu-

ation which, if not avoided, may

cau e property damage!

 

 

1. Principle of operation

The Type SAM ... Electric Linear Actuator are

equipped with rever ible a.c. or three-pha e

a.c. motor . The rotary motion of the motor i

tran ferred to the actuator tem via a gear unit

and the corre ponding tran fer element

where it i converted into a linear "On-Off"

motion.

In ca e the electrical power fail , you can

operate the actuator manually.

Special features

– Nominal thru t from 2 to 25 kN

– Rated travel 15, 30, 60 or 120 mm

– Speed of re pon e 13.5 to 50 mm/min

– A.c. motor 230 V~, 50 Hz

three-pha e a.c. motor 400 V~, 50 Hz

– Degree of protection IP 65

DANG R!

During in tallation and operation, uitable power upply y tem mu t be u ed

to en ure that hazardou voltage are prevented from energizing the device in

tandard operating mode or in ca e of a faulty y tem or y tem part .

Otherwi e, per onal injury and/or property damage may re ult.

Any hazard which could be cau ed by the proce medium, the ignal pre ure

and moving part of the control valve are to be prevented by mean of appropri-

ate mea ure.

The proper and afe operation of thi device depend on the proper hipping

and appropriate torage including attachment and in tallation a well a care-

ful operation and maintenance.

You are required to en ure the following:

–

Only qualified individual mu t be a igned to work on thi device.

–

The e individual are required to read and have under tood the Mounting and

Operating In truction upplied with thi product a well a the product informa-

tion.

–

The e Mounting and Operating In truction mu t alway be available. Make

ure that the re pective individual trictly ob erve the in truction li ted for

any work to be performed.

–

Where applicable, tool and mea uring in trument mu t be u ed properly

and in accordance with their intended purpo e. If required, u e your own pro-

tective gear.

–

Work on thi device or near thi device mu t not be performed by unqualified

per onnel.



 

1.1 Application

The linear actuator operate the final control

element which require a linear travel motion

from 15 to 120 mm and a po itioning force in

the range of 2 to 25 kN.

The hut-off force of the actuator i adju ted

permanently. The travel, however, can be

modified at a later date.

1.2 Versions

The electrical component are located epa-

rately from the gear underneath the ealed

cover where they are protected from du t and

can be ea ily acce ed when the cover i

removed.

The basic version of the device compri e :

–Two torque

witche DE-S1

and

DE-S2

They witch off the motor when the force ad-

ju ted in the actuator i counterbalanced by

a corre ponding force. Thu , they protect

the final control element from damage, and

the actuator from overload.

–One travel

witch WE-S3

for limitation of

the travel in the opening direction.

–Two travel

witche WE-S4

and

WE-S5

for

indicating intermediate and po ition of the

final control element.

The following component can be in talled

optionally:

– A fourth travel

witch WE-S6

for indicating

certain control element po ition .

– One or two

potentiometer

or one

electronic

po ition tran mitter ESR

for analog remote

tran mi ion of the final control element’

po ition.

–One

heating re i tor

to prevent the forma-

tion of conden ation water underneath the

cover when the humidity i high and the am-

bient temperature fluctuate con iderably.

At an in ide temperature of >60 °C, the

heating re i tor deactivate the heating via

a temperature relay; it reactivate the heat-

ing at a temperature of <40 °C.

– One electronic po itioner for the analog

control 0 (2) to 10 V / 0 (4) to 20 mA (only

for 230 V, 50 Hz AC motor ).

1.3 Function

The rotary motion of the motor i tran ferred

to the gear wheel with a female thread via the

gearing.

The pi ton rod with the matching male thread

engage the female thread. An anti-rotation

device ecure the rod and prevent it from ro-

tating.

The pi ton rod perform a linear motion,

either pulling or pu hing, when the female

threaded gear wheel i turned via the motor

gear.

 

 

1.3.1 lectrical equipment

The electrical equipment i located under-

neath the removable hou ing cover.

In addition to the torque witche

D -S1

and

D -S2

a well a three travel witche

W -S3,

and

, the actuator can be equipped with

the following witching element and mea ur-

ing in trument :

– One travel witch

W -S6

– Two potentiometer

POT R1

and

POT R2

– One electronic po ition tran mitter

–One

positioner

The axial movement of the actuator tem i

tran ferred via adju ting lever and lider to

the driving lever. The driving lever then pro-

duce a proportional rotary motion via gear

wheel a a mea ure for the two

and

potentiometer or the

ESR

po itioner. The cam

di c located on the axi of the gear wheel

operate the witche

WE-S3, WE-S4, WE-S5

and

WE-S6 .

- D -S1, D -S2, W -S3

DE-S1 witche off the motor depending on

the torque when the actuator tem extend

(final control element "CLOSED") .

DE-S2 witche off the motor depending on

the torque when the actuator tem retract

(final control element "OPEN"), provided that

the final control element can be ubjected to

load in "ON" po ition.

WE-S3 witche off the motor depending on

the travel when the actuator tem retract

(final control element "ON"), provided that

the actuator tem ha completed it travel a

indicated in the ordering text.

- W -S4, W -S5, W -S6

The travel witche

W -S4

W -S5

and ome-

time

W -S6

are not adju ted. If required,

they can be adju ted/retrofitted a limit or

ignal witch ( ee ection "7 Adju tment and

calibration").

Fig. 2

⋅

Function of witche and potentiometer ,

travel tran mi ion

NOT !

The switching points of D -S1 and D -S2 are

factory default and cannot be modified.

!

"# 

- POT R1, POT R2, SR

The actuator can be equipped with two

potentiometer

POT R1

and

POT R2

- with the Type SAM -20 to SAM -52 - with a

position transmitter SR

that ha an output

ignal of 4 (0) to 20 mA.

Both ver ion enable the analog remote tran -

mi ion of the valve travel.

The potentiometer and the electronic po ition

tran mitter are adju ted to the required travel.

They can be readju ted ( ee ection "7 Adju t-

ment and calibration").

- Positioner

In combination with three-pha e ynchronou

a.c. or brake motor for 230 V, 50 Hz, a

po-

sitioner

may already be in talled a factory

default ( ee ection "9 Po itioner").

Input ignal :

− 4 (0) to 20 mA

− 0 to 10 V

When the actual value deviate from the et

point, a manipulated variable i generated to

control the actuator.

Fig. 3

⋅

Switche and potentiometer

Fig. 4

⋅

Po itioner

 $

 "#

2 Technical data

Table 1 ⋅ Mechanical data

Type SAM ... -01 -10 -11 -12 -13 -20 -21 -22 -23

Nominal thrut kN223.54.56681215

Rated travel mm 30

Speed of

re pon e mm/min 15 17 ⋅ 25 ⋅ 50 17

34 13.5 ⋅ 25 ⋅ 50 13.5

22 ⋅ 40

Tran it time at rated travel 120 106 ⋅ 72 ⋅ 36 106

53 133 ⋅ 72 ⋅ 36 133

82 ⋅ 45

Adju ted travel mm 15

Tran it time 60 53 ⋅ 36 ⋅ 18 53

26 67 ⋅ 36 ⋅ 18 67 ⋅ 40

22.5

Mounting po ition Arbitrary, however, motor not vertically u pended.

Actuator tem No mechanical limit top , anti-rotation device: tongue and groove

Handwheel Side-mounted handwheel

Connecting thread M 30 x 1.5

Degree of protection IP 65 according to DIN 40050

Perm. ambient temperature −20 to +60 oC

Table 2 ⋅ lectrical data

lectrical connection In ide terminal trip or terminal trip in terminal box, attached to

actuator or a compact witch

Connected load Single-pha e a.c. 230 V, 50 Hz ⋅ Three-pha e a.c. 400 V, 50 Hz

Operating mode acc. to VDE 0530

Part 1, ection 4 Duty cycling S4 -30% ED-600 c/h

Power consumption

Type SAM ... Actuator -01 -10 -11 -12 -13 -20

-30

-21

-31

Speed of re pon e [mm/min.] 15 17 ⋅ 25 50 17 ⋅ 34 13.5 ⋅ 25

Nominal

current [A]

Motor 230 V~/50 Hz 0.029 0.16 0.18 0.16 ⋅ 0.18 0.1 ⋅ 0.225

Motor 400 V~/50 Hz 0.015 0.11 0.08 0.11 ⋅ 0.08 0.062 ⋅ 0.11

Motor type Synchronou motor

Temperature monitor Not required, only on reque t



%& 

Mechanical data

-30-31-32-33-40-41-42-50-51-52

6 8 12 15 15 20 25 15 20 25

60 120

13.5 ⋅ 25

13.5

22 ⋅ 40 25 ⋅ 50 25 ⋅ 50

266 ⋅ 144

72 144 ⋅ 72 288 ⋅ 144

30 60

133 ⋅ 72

36 72 ⋅ 36 144 ⋅ 92

Arbitrary, however, motor not vertically u pended

No mechanical limit top , anti-rotation device:

tongue and groove

Side-mounted handwheel

M 60 x 1.5 M 100 x 1.5

IP 65 according to DIN 40050

−20 to +60 oC

lectrical data

In ide terminal trip or terminal trip in terminal box, attached to

actuator or a compact witch

Single-pha e a.c. 230 V, 50 Hz ⋅ Three-pha e a.c. 400 V, 50 Hz

-22

-32

-23

-33

-23

-33

-20

-30

-21

-31

-22

-32

-23

-33

-40

-50

-41

-51

-42

-52

13.5 22 50 40 25 ⋅ 50

0.145 0.225 0.7 0.7 0.66 ⋅ 0.93

0.85 0.11 0.29 0.29 0.4 ⋅ 0.7

Synchronou motor A ynchronou motor 1)

Not required, only on reque t Bimetallic-element witch

1) Actuator attached to a po itioner require a brake motor

Duty cycling S4 -30% ED-600 c/h

 '

 %&

Table 2 ⋅ lectrical equipment

Switching and signalling equipment

Torque witche

D - ...

Switch

DE-S ...

Two witche

S1 and S2

⋅

Max. 250 V AC

Travel witche

W -...

Switch

WE-S ...

One witch

in opening or clo ing direction

Two witche

S4 and S5

to ignal intermediate or final po ition

Switch

a ignal witch (optional) 1)

Load co ϕ = 1: max. 5 A ⋅ co ϕ = 0.8: max. 3 A ⋅ Lightbulb : max. 2 A

Potentiometer

R ...

One or two potentiometer

R1 and R2

: 110 Ω, 200 Ω, 1 kΩ

Load Max. 1.5 W ⋅ Slider current max. 30 mA

Electronic po ition tran mitter

Connection Four-wire/three-wire connection Two-wire connection

Supply voltage UH18 to 30 V DC 18 to 30 V DC

Max. load RL50 ⋅ (UH− 2.5) Ω50 ⋅ (UH− 12) Ω

Output ignal 0 to 20 mA or 4 to 20 mA 4 to 20 mA

Current con umption Max. 30 mA

Electronic po itioner 3)

Input and output ignal 4 (0) to 20 mA or 0 to 10 V

Heating re i tor With temperature monitor ⋅ 24/110/230 V DC/AC ⋅ 15 W

1) Only for Type SAM-20 to -50: Provided S6 i connected, only one potentiometer (R1) can be

connected in plug-type connection .

2) Only for Type SAM-20 to -52, optionally with potentiometer R1/R2 or po ition tran mitter ESR

3) Only for brake motor or ynchronou motor for 230 V, 50 Hz; for three-pha e a.c. motor , external

rever ing contactor are required.

 

%& 

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