Technical data sheet
LM24A-MOD
LM24A-MOD • en-gb • 2022-07-15 • Subject to change
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Communicative 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, communicative, hybrid
• Conversion of sensor signals
• Communication via BACnet MS/TP, Modbus
RTU, Belimo-MP-Bus or conventional control
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 21.6...28.8 V
Power consumption in operation
2.5 W
Power consumption in rest position
1.3 W
Power consumption for wire sizing
5 VA
Connection supply / control
Cable 1 m, 6 x 0.75 mm²
Data bus communication Communicative control
BACnet MS/TP
Modbus RTU (default setting)
MP-Bus
Number of nodes
BACnet / Modbus see interface description
MP-Bus max. 8
Functional data Torque motor
5 Nm
Torque variable
25%, 50%, 75% reduced
Operating range Y
2...10 V
Operating range Y variable
0.5...10 V
Position feedback U
2...10 V
Position feedback U note
Max. 1 mA
Position feedback U variable
Start point 0.5...8 V
End point 2...10 V
Position accuracy
±5%
Direction of motion motor
selectable with switch 0/1
Direction of motion note
Y = 0%: At switch position 0 (ccw rotation) / 1
(cw rotation)
Direction of motion variable
electronically reversible
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°
Running time motor variable
35...150 s
Adaptation setting range
manual
Adaptation setting range variable
No action
Adaptation when switched on
Adaptation after pushing the manual override
button
Override control, controllable via bus
communication
MAX (maximum position) = 100%
MIN (minimum position) = 0%
ZS (intermediate position) = 50%