Samson Type 5824 Manuale di servizio
Electric Actuators
with LON Interface
Type 5824 without
Type 5825 with fail-safe action
Mountin and
operatin instructions
EB 5824-1 EN
Edition June 2003
Fig. 1 ⋅Type 5824 Actuator
Contents Page
1. Design and principle of operation . . . . . . . . . . . . . . . . . . . . . . 6
2. Connection to the valve . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1 Type 5824 Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1.1 Force-locking connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1.2 Form-fit connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.2 Type 5825 Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.1 Force-locking connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2.2 Form-fit connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Tra el indicator scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3. Installing the control valve . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4. Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.1 Connecting the supply oltage . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Connection to the LON® bus . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1 Identifying the actuator on a LON® . . . . . . . . . . . . . . . . . . . . . 11
5.2 Initializing the actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2.1 Form-fit actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.2.2 Force-locking actuators . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
. Description of closed loop actuator object . . . . . . . . . . . . . . . . . . 13
6.1. Description of network ariables . . . . . . . . . . . . . . . . . . . . . . . 14
6.1.1 Initialization procedure for force-locking actuators . . . . . . . . . . . . . . . 15
6.1.2 Initialization procedure for form-fit actuators . . . . . . . . . . . . . . . . . 15
6.2 Description of configuration properties . . . . . . . . . . . . . . . . . . . . 16
7. Convenient start-up using a plug-in . . . . . . . . . . . . . . . . . . . . . 17
8. Dimensions in mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Contents
2EB 5824-1 EN
Safety instructions
Assembly, start-up and operation of this de ice may only be performed by
trained and experienced personnel familiar with the product.
According to these mounting and operating instructions, trained personnel
refers to indi iduals who are able to judge the work they are assigned to and
recognize possible hazards due to their specialized training, their knowledge
and experience as well as their knowledge of the applicable standards.
Any hazards which could be caused in the connected al e by the process
medium, operating pressure or mo ing parts are to be pre ented by means
of the appropriate measures.
Proper transportation and storage are assumed.
The actuators ha e been designed for use in electrical power installations.
For wiring and maintenance, you are required to obser e the rele ant safety
regulations.
The actuator must be protected against unintentional reconnection of the
power supply.
Note: The de ice with a CE marking fulfils the requirements of the Directi es
94/9/EC and 89/336/EEC.
The declaration of conformity can be iewed and downloaded on the Internet
at http://www.samson.de.
EB 5824-1 EN 3
Technical data
Actuator Without fail-safe action With fail-safe action
Type 5824-20 5824-30 5825-20 5825-25 5825-30 5825-35
Type of connection to al e Force-lock. Form-fit Force-locking Form-fit
Rated tra el 12 (6) mm
1)
15 mm 12 (6) mm
1)
15 mm
Actuating time for rated tra el 70 s 90 s 70 s 90 s
Actuating time in case of failure 6 s 7 s
Fail-safe action
Actuator stem Extends Retracts Extends Retracts
Nominal thrust 700 N
Nominal thrust of safety spring 500 N 280 N
Operating oltage 24 V AC / 50 Hz
Power consumption Approx. 5 VA Approx. 7 VA
Transformer FTT10A Free Topology Transcei er, LTP-10 compatible
Configuration LNS
TM
plug-in for LON binding tools
Handwheel Yes Optional
2)
Permissible ambient temperature:
Permissible storage temperature:
Perm. temp. at connecting stem:
0 to +50 °C
20 to +70 °C
0 to +130 °C
Degree of protection
( ertical installation) IP 54
Noise immunity EN 50082-2
Noise emission EN 50081-1
Weight 0.75 kg 1 kg
1)
Tra el of 6 mm possible by installing a tra el stop according to Fig. 2 in chapter 2.
2)
Manual adjustment using a 4 mm hexagonal wrench after the housing lid has been remo ed;
after the fail-safe action has been acti ated, the al e returns to the fail-safe position.
4EB 5824-1 EN
EB 5824-1 EN 5
1. Design and principle of operation
The electric actuators consist of a re ersible
synchronous motor and a maintenance-free
gear incorporated in a plastic housing.
The actuator is connected to the al e by
means of a coupling nut (4), which pro ides
a force-locking connection, or by means of
a stem connector, which pro ides a form-fit
connection between the actuator stem and
the plug stem.
The rotary motion of the actuator motor is
transmitted to the actuator stem (3), and
hence to the plug stem of the connected
al e ia a crank disc.
The motor is disconnected ia torque-
dependent switches (10) when the al e
has reached either of its final positions or
an o erload occurs.
Type 5824 without fail-safe action
In case of a force-locking connection be-
tween actuator and al e, the spring in-
stalled in the al e causes the plug stem to
follow the mo ement of the actuator stem
when the actuator stem retracts.
The al e can be manually mo ed to the
desired position by means of a handwheel (2).
Type 5825 with fail-safe action
The actuators with fail-safe action largely
comply with the Type 5824 ersion illus-
trated in Fig. 2. In addition, they contain a
spring mechanism (8) and an electromagnet.
If the control oltage applied to the electro-
magnet is interrupted, the actuator mo es to
the fail-safe position.
When de-energized in this way, the magnet
disengages the coupling between gear and
actuator motor. This causes the spring mech-
anism to mo e the actuator stem fully in the
operating direction OUT (or IN). The con-
nected (globe) al e is mo ed to the closed
position.
CAUTION! Do not use the magnet for con-
trol tasks.
The Type 5825 is not equipped with a hand-
wheel (2) on the housing co er.
Manual adjustment ia a hexagonal wrench
is only possible after the front co er has
been remo ed.
Typetest
The electric actuators with fail-safe action
ha e been typetested by the German
Technical Inspectorate TÜV according to
DIN 32730.
The register no. is indicated on the name
plate.
6EB 5824-1 EN
Desi n and principle of operation
CAUTION
Do not open the rear housing
co er!
Fig. 2 ⋅Type 5824/5825 Actuator (force-locking connection to al e)
8 9 1 1.1210 2.1 1.29.1
4
3
0
12
6
15
0
6
12
15
a
9.1
9.2
9.2
11mm
Tra el stop
Version
obsolete
new
1Housing
1.1 Front housing co er
1.2 Cable entry
2 Handwheel, only on
Type 5824
2.1 Actuating shaft
3Actuator stem
4Coupling nut
8 Spring mechanism, only
on Type 5825
9 Scale for tra el indication
9.1 Dri ing pin
9.2 Stopping pin (11 mm)
10 Torque switch (internal)
Installing the travel stop
1. Remo e the front housing co er (1.1) and then the tra el scale (9)
2. Place a hexagonal wrench into the actuating shaft (2.1) and
turn it to mo e the dri ing pin into the area termed
a.
3. Slide the tra el stop, with the stopping pin of 11 mm (9.2)
suspended downward, o er the dri ing pin (9.1) acc. to Fig. 2.
4. Re-install the tra el scale in the correct position acc. to chapter 2.3.
If tra el limitation is not required, remo e the tra el stop.
EB 5824-1 EN 7
Desi n and principle of operation
2. Connection to the valve
Note regarding the travel stop:
The rated tra el of 12 mm in force-locking
actuators can be reduced to 6 mm by install-
ing a tra el stop. The tra el reduction allows
the force-locking actuators to be used for
smaller al es. A tra el stop is supplied with
the de ice and has to be installed according
to Fig. 2.
2.1 Type 5824 Actuator
2.1.1 Force-locking connection
1. Turn handwheel (2) counterclockwise to
retract the actuator stem.
2. Position the actuator on the al e con-
nection and tighten coupling nut (4)
using a tightening torque of 20 Nm.
2.1.2 Form-fit connection
1. Position actuator on the yoke and
tighten coupling nut (4) using a tightening
torque of 20 Nm.
2. Position actuator with yoke (15) on the
al e and tighten nut (17) using a mini-
mum tightening torque of 150 Nm.
3. Pull plug stem all the way up to the actu-
ator stem or extend actuator stem using
the handwheel (2).
4. Position coupling clamps of the stem
connector (16) included in the acces-
sories and screw tight.
Fig. 3 ⋅Connections between actuator and control al e
3
4
0
0
2
15
4
16
17
2Handwheel
3Actuator stem
4Coupling nut
15 Rod-type yoke
16 Stem connector
17 Nut
Form-fit connection with stem connector
to a al e with rod-type yoke
Force-locking connection with coupling nut, e.g.
to a Type 3222 Val e
8EB 5824-1 EN
Connection to the valve
2.2 Type 5825 Actuator
2.2.1 Force-locking connection
Fail-safe action "Actuator stem extends":
1. Unscrew front co er and place 4 mm
hexagonal wrench into the red actuat-
ing shaft (Fig. 2, 2.1).
2. Use the wrench to retract the actuator
stem. Howe er, turn counterclockwise
only and only to the point where the
internal torque switch (Fig. 2, 10) is
acti ated.
3. Keep the wrench positioned and con-
nect al e and actuator using the
coupling nut (tightening torque 20 Nm).
Reinstall the front co er and carefully fix
it using the screws.
Fail-safe action "Actuator stem retracts":
Position the actuator on the al e connec-
tion and tighten coupling nut using a
tightening torque of 20 Nm.
2.2.2 Form-fit connection
Proceed as described in chapter 2.1.2 for
ersions both with fail-safe action "Actuator
stem retracts" and "Actuator stem extends."
2.3 Travel indicator scale
The tra el indicator scale has two opposing
scales to satisfy different al e ersions.
Upon deli ery (default), the scale is placed
so that the dri ing pin is at position 0. This
position is used for globe al es and three-
way di erting al es.
For three-way mixing al es, remo e the
scale, turn it by roughly 180° and reposi-
tion it so that the appropriate bore (12 or
15 according to the rated tra el) is placed
o er the dri ing pin.
3. Installing the control valve
The control al e must be installed in the
pipeline with the actuator on top so as to
ensure the stated degree of protection.
Fig. 4 ⋅Mounting of tra el indicator scale
0
0
6
6
12
15
12
15
0
15
12
6
Bores for pin for three-way
mixing al es
Pin in position 0:
scale positioned for globe al es
and three-way di erting al es (default)
EB 5824-1 EN 9
Installin the control valve
4. Electrical connections
When installing electric lines, you
are required to obser e the regula-
tions go erning electrical power
plant installation according to DIN
VDE 0100 as well as the regulations
of your local power supply company.
Use a suitable power supply which
guarantees that no dangerous olt-
ages reach the de ice in standard
operation or in case of a fault in the
system or any other system parts.
We recommend installing a discon-
nector (e.g. automatic circuit
breaker). This allows the actuator to
be connected separately from the
power supply network. Once the in-
stallation has been completed, the
actuator can be started up ia
switchbox or similar equipment.
Make sure the power cannot be
switched on unintentionally.
4.1 Connecting the supply voltage
The electrical connection must be estab-
lished ia the cable entries (see Fig. 2, 1.2)
in such a manner that the actuator is sup-
plied with 24 VAC / 50 Hz ia terminals L1
and N1.
4.2 Connection to the LON® bus
The LON® Free Topology Transcei er
(FTT10A) pro ides a polarity insensiti e con-
nection to the bus.
The LON® bus cables must be connected to
the two actuator terminals marked "LON"
on the board (see Fig. 5). Note that specific
LON® bus cables are a ailable to meet dif-
ferent requirements.
NOTE:
The "LONWORKS FTT-10A Transcei er
Users Guide" lists a number of cables quali-
fied by Echelon® to work with the TP/FT-10
network. The guide also specifies the physi-
cal properties of the cables.
Fig. 5 ⋅Electrical connection
24V~ 24V~ LON-BUS
FTT 10A
L2 N2 L1 N1
LON
Supply
Magnet
for Type 5825
10 EB 5824-1 EN
Electrical connections
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