Belimo LM24A-SX-F Instruction Manual

Technical data sheet LM24A-SX-F
Modulating damper actuator for
adjusting dampers in technical
building installations
• Air damper size up to approx. 1 m²
• Torque motor 5 Nm
• Nominal voltage AC/DC 24 V
• Control modulating
• Adaption
• Mechanical interface Form fit
8x8 mm
Technical data
Electrical data Nominal voltage AC/DC 24 V
Nominal voltage frequency 50/60 Hz
Nominal voltage range AC 19.2...28.8 V / DC 19.2...28.8 V
Power consumption in operation 1 W
Power consumption in rest position 0.4 W
Power consumption for wire sizing 2 VA
Connection supply / control Cable 1 m, 4 x 0.75 mm²
Parallel operation Yes (note the performance data)
Functional data Torque motor 5 Nm
Operating range Y 2...10 V
Input Impedance 100 kΩ
Position feedback U 2...10 V
Position feedback U note Max. 1 mA
Position accuracy ±5%
Direction of motion motor selectable with switch 0/1
Direction of motion note Y = 0 V: At switch position 0 (ccw rotation) /
1 (cw rotation)
Manual override with push-button, can be locked
Angle of rotation Max. 95°
Angle of rotation note can be limited on both sides with adjustable
mechanical end stops
Running time motor 150 s / 90°
Adaptation setting range Adaptation after pushing the gear
disengagement button
Sound power level, motor 35 dB(A)
Mechanical interface Form fit 8x8 mm
Position indication Mechanically, pluggable
Safety Protection class IEC/EN III Safety Extra-Low Voltage (SELV)
Protection class UL UL Class 2 Supply
Degree of protection IEC/EN IP54
Degree of protection NEMA/UL NEMA 2
Enclosure UL Enclosure Type 2
EMC CE according to 2014/30/EU
Certification IEC/EN IEC/EN 60730-1 and IEC/EN 60730-2-14
Certification UL cULus according to UL60730-1A, UL60730-2-
14 and CAN/CSA E60730-1:02
Certification UL note The UL marking on the actuator depends on the
production site, the device is UL-compliant in
any case
Mode of operation Type 1
Rated impulse voltage supply / control 0.8 kV
Control pollution degree 3
Ambient temperature -30...50°C
Storage temperature -40...80°C
Ambient humidity Max. 95% r.H., non-condensing
Servicing maintenance-free
Weight Weight 0.49 kg
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!
• The device must not be used outside the specified field of application, especially not
in aircraft or in any other airborne means of transport.
• Outdoor application: only possible in case that no (sea) water, snow, ice, insolation
or aggressive gases interfere directly with the actuator and that is ensured that the
ambient conditions remain at any time within the thresholds according to the data
sheet.
• Only authorised specialists may carry out installation. All applicable legal or
institutional installation regulations must be complied during installation.
• The device may only be opened at the manufacturer’s site. It does not contain any
parts that can be replaced or repaired by the user.
• Cables must not be removed from the device.
• To calculate the torque required, the specifications supplied by the damper
manufacturers concerning the cross-section, the design, the installation site and the
ventilation conditions must be observed.
• The device contains electrical and electronic components and must not be disposed
of as household refuse. All locally valid regulations and requirements must be
observed.
Product features
Mode of operation The actuator is connected with a standard modulating signal of 0...10 V and drives
to the position defined by the positioning signal. Measuring voltage U serves for the
electrical display of the damper position 0.5...100% and as slave control signal for
other actuators.
Simple direct mounting Simple direct mounting on the damper shaft with form-fit hollow spindle. For screw
fitting to the application the actuator is supplied with two fastening clips, one on each
short side.
Manual override Manual override with push-button possible (the gear is disengaged for as long as the
button is pressed or remains locked).
Adjustable angle of rotation Adjustable angle of rotation with mechanical end stops.
High functional reliability The actuator is overload protected, requires no limit switches and automatically stops
when the end stop is reached.
Home position The first time the supply voltage is switched on, i.e. at the time of commissioning,
the actuator carries out an adaption, which is when the operating range and position
feedback adjust themselves to the mechanical setting range.
The actuator then moves into the position defined by the positioning signal.
Accessories
Description Type
Electrical accessories Auxiliary switch 1 x SPDT add-on S1A
Auxiliary switch 2 x SPDT add-on S2A
Auxiliary switch 2 x SPDT add-on, grau S2A/300 GR
Auxiliary switch 2 x SPDT add-on, grau S2A/500 GR
Feedback potentiometer 140 Ω add-on P140A
Feedback potentiometer 140 Ω add-on, grau P140A GR
Feedback potentiometer 200 Ω add-on P200A
Feedback potentiometer 500 Ω add-on P500A
Feedback potentiometer 500 Ω add-on, grau P500A GR
Feedback potentiometer 1 kΩ add-on P1000A
Feedback potentiometer 1 kΩ add-on, grau P1000A GR
Feedback potentiometer 2.8 kΩ add-on P2800A
Feedback potentiometer 2.8 kΩ add-on, grau P2800A GR
Feedback potentiometer 5 kΩ add-on P5000A
Feedback potentiometer 5 kΩ add-on, grau P5000A GR
Feedback potentiometer 10 kΩ add-on P10000A
Feedback potentiometer 10 kΩ add-on, grau P10000A GR
LM24A-SX-F Rotary actuator, modulating, AC/DC 24 V, 5 Nm
Safety notes
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LM24A-SX-F • en-gb • 2019-12-16 • subject to changes
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Description Type
Signal converter voltage/current 100 kΩ Supply AC/DC 24 V Z-UIC
Range controller for wall mounting SBG24
Positioner for wall mounting SGA24
Positioner for built-in mounting SGE24
Positioner for front-panel mounting SGF24
Positioner for wall mounting CRP24-B1
Description Type
Mechanical accessories Shaft extension 170 mm Ø10 mm for damper shaft Ø 6...16 mm AV6-20
Anti-rotation mechanism 180 mm, Multipack 20 pcs. Z-ARS180
Form fit insert 8x8 mm, Multipack 20 pcs. ZF8-LMA
Form fit insert 10x10 mm, Multipack 20 pcs. ZF10-LMA
Form fit insert 12x12 mm, Multipack 20 pcs. ZF12-LMA
Form fit insert 8x8 mm, with angle of rotation limiter and position
indication, Multipack 20 pcs.
ZFRL8-LMA
Form fit insert 10x10 mm, with angle of rotation limiter and position
indication, Multipack 20 pcs.
ZFRL10-LMA
Form fit insert 12x12 mm, with angle of rotation limiter and position
indication, Multipack 20 pcs.
ZFRL12-LMA
Position indicator, Multipack 20 pcs. Z-PI
Electrical installation
!
Notes • Connection via safety isolating transformer.
• Parallel connection of other actuators possible. Observe the performance data.
Wiring diagrams
AC/DC 24 V, modulating
Y
U
1 32 5
–
+
T
~
DC (0)2…10 V
DC 2…10 V
Cable colours:
1 = black
2 = red
3 = white
5 = orange
LM24A-SX-F Rotary actuator, modulating, AC/DC 24 V, 5 Nm
Accessories
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Spindle length
L
Min. 20
-
Dimensional drawings
5.2
2011616
419422
66
30
47
61
100.528.5
888
LM24A-SX-F Rotary actuator, modulating, AC/DC 24 V, 5 Nm
Dimensions [mm]
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