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MINI-BEAM
®
SMA31E/SM2A31R and SMA31EL/SM2A31RL
Self-contained AC-operated Opposed Mode Sensors
Printed in USA P/N 03561L7B
• Compact, self-contained opposed mode modulated
infrared sensor pairs for 24-240V ac operation
• Standard sensor pairs have 3 m (10 ft) range
• Long range sensor pairs have 30 m (100 ft) range
• Switch-selectable for light operate or dark operate; Highly
repeatable, 2 millisecond response “on”/1 millisecond
“off” response
• SPST solid state SCR output switches up to 300mA; low
leakage current and saturation voltage
• Rugged, epoxy-encapsulated construction: meets NEMA
standards 1, 2, 3, 3S, 4, 4X, 12 and 13; IEC IP67
• Physically and electrically interchangeable with 18 mm
barrel-type photoelectrics
MINI-BEAM Opposed Mode Emitter (E) and Receiver (R)
Models Range Cable
Supply
Voltage
Output
Type Excess Gain Beam Pattern
SMA31E
SM2A31R
SMA31EQD
SM2A31RQD
3 m
(10 ft)
2 m (6.5 ft)
2 m (6.5 ft)
3-Pin Micro QD
3-Pin Micro QD
24-240V ac
SPST
Solid-state
2-Wire
1
10
100
.10 m
.33 ft
1.0 m
3.3 ft
10 m
33 ft
.01 m
.033 ft
E
X
C
E
S
S
G
A
I
N
DISTANCE
1000
SMA31E & SM2A31R
Opposed Mode
3.0 m
10 ft
2.4 m
8 ft
1.8 m
6 ft
1.2 m
4 ft
.6 m
2 ft
0
0
100 mm
200 mm
300 mm
100 mm
200 mm
300 mm
0
4.0 in
8.0 in
12.0 in
4.0 in
8.0 in
12.0 in
DISTANCE
SMA31E & SM2A31R
Opposed Mode
SMA31EL
SM2A31RL
SMA31ELQD
SM2A31RLQD
30 m
(100 ft)
2 m (6.5 ft)
2 m (6.5 ft)
3-Pin Micro QD
3-Pin Micro QD
24-240V ac
SPST
Solid-state
2-Wire
30 m
100ft
24 m
80 ft
18 m
60 ft
12 m
40 ft
6 m
20 ft
0
0
250 mm
500 mm
750 mm
250 mm
500 mm
750 mm
0
10.0 in
20.0 in
30.0 in
10.0 in
20.0 in
30.0 in
DISTANCE
SMA31EL & SM2A31RL
Opposed Mode
1
10
100
1.0 m
3.3 ft
10 m
33 ft
100 m
330 ft
.1 m
.33 ft
1000
E
X
C
E
S
S
G
A
I
N
DISTANCE
SMA31EL &
SM2A31RL
Opposed Mode
Infrared, 880 nm
For Standard MINI-BEAMs:
i) 9 m (30 ft) cables are available by adding suffix “W/30” to the model number of any cabled sensor (e.g. - SMA31EL W/30).
ii) A 150 mm (6 in.) long pigtail cable with attached QD connector is available by adding suffix “QDP” to the model number of any
MINI-BEAM sensor (e.g. - SMA31ELQDP). See page 5 for more information.
iii) A model with a QD connector requires an accessory mating cable. See page 8 for more information.

Summary of content (8 pages)