Technical Documentation Pressure Independent Characterized ...

Wiring Diagrams for LRX24-MFT and ARX24-MFT Actuators
VDC/4-20 mA
Floating Point
PWM
62
Actuators: LMX, LRX, NMX, AMX, ARX, GMX24-MFT
Hazard Identification
Warnings and Cautions appear at appropriate sections throughout
INSTALLATION NOTES
this manual. Read these carefully.
3 Actuators may also be powered by 24 VDC.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
may result in minor or moderate injury. It may also be used to
5
alert against unsafe practices.
8
2
Equipment damage!
Actuators may be connected in parallel if not mechanically
mounted to the same shaft. Power consumption and input
impedance must be observed.
WARNING
Live Electrical Components!
During installation, testing,
servicing and troubleshooting
of this product, it maybe
necessary to work with live
electrical components. Have a
qualified licensed electrician or
other individual who has been
Line
Volts
Control Signal
4 to 20 mA
or
2 to 10 VDC
Line
Volts
24 VAC Transformer
(–)
(+)
24 VAC Transformer (AC only)
Position (–)
Feedback VDC (+)
Ω 500Ω
1/4 watt
properly trained in handling live electrical components perform these tasks.
Failure to follow all electrical safety precautions when exposed
to live electrical components could result in death or serious injury.
WARNING
Live Electrical Components!
During installation, testing,
servicing and troubleshooting
of this product, it maybe
necessary to work with live
electrical components. Have a
qualified licensed electrician or
other individual who has been
properly trained in handling live
electrical components perform these
tasks. Failure to follow all electrical safety
precautions when exposed to live electrical
components could result in death or serious injury.
WARNING
Live Electrical Components!
During installation, testing,
servicing and troubleshooting
of this product, it maybe
necessary to work with live
electrical components. Have a
qualified licensed electrician or
other individual who has been
Line
Volts
7
24 VAC Transformer
properly trained in handling live electrical components perform these tasks.
Failure to follow all electrical safety precautions when exposed to live electrical
components could result in death or serious injury.
8
2 to 10 VDC
Feedback Signal
A
B
9
11
Direction of rotation switch
CCW
CCW
CW
CW
A B 5
8
A B 5
2
Blk (1) Common
Red (2) + Hot
Wht (3) Y1 Input, 2 to 10V
Grn (5) U Output, 2 to 10V
CCW CW
2
2
3 5
3
Blk (1) Common –
Red (2) Hot + 10
Wht (3) Y1 Input
Pnk (4) Y2 Input
Org (5) U Output 2 to 10V
Blk (1) Common
Red (2) + Hot
Wht (3) Y Input
Org (5) U Output
7
9
11
10
Two Position
Actuators with plenum rated cable do not have numbers on
wires; use color codes instead. Actuators with appliance
cables are numbered.
Control signal may be pulsed from either the Hot (Source)
or Common (Sink) 24 VAC line.
For triac sink the Common connection from the actuator
must be connected to the Hot connection of the controller.
APPLICATION NOTES
Meets cULus or UL and CSA requirements without
the need of an electrical ground connection.
A 500Ω resistor converts the 4 to 20 mA control signal
to 2 to 10 VDC.
Contact closures A & B also can be triacs. A & B should
both be closed for triac source and open for triac sink.
Position feedback cannot be used with a Triac sink controller.
The actuator internal common reference is not compatible.
WARNING
Live Electrical Components!
During installation, testing,
24 VAC/DC Transformer
servicing and troubleshooting Line
of this product, it maybe necessary
to work with live electrical
Volts
components. Have a qualified
licensed electrician or other
Position (–)
a
individual who has been properly
trained in handling live electrical
Feedback VDC (+)
components perform these tasks. Failure to
follow all electrical safety precautions when
exposed to live electrical components could
result in death or serious injury.
Override control to min, mid, max, positions
WARNING
24 VAC Transformer
Live Electrical Components!
During installation, testing,
servicing and trouble
Line
Volts
shooting of this product,
it maybe necessary to
Ω
work with live electrical Control Signal (–)
components. Have a
qualified licensed electrician
or other individual who has
been properly trained in
2-10 VDC or (+)
4 to 20 mA 500Ω
1/4 watt
7
handling live electrical
Min*
components perform these tasks.
Mid*
Failure to follow all electrical safety
Max*
precautions when exposed to live
electrical components could result in
death or serious injury.
Normal**
A
B
C
Functions
0%
50%
100%
Control mode acc. to Y
Blk (1) Common
Red (2) Hot
Wht (3) Y Input
Org (5) U Output
Blk (1) Common
Red (2) + Hot
Wht (3) Y 1 Input, 2 to 10V
a b c
* Default selectable 0-100%. See Configuration Data Sheet.
** Customizable. See Configuration Data Sheet.
3
2 3
®
W400
J20728 - 04/07 - Subject to change. © Belimo Aircontrols (USA), Inc.