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Specifications are subject to change without notice (08.02.06)
Tv
Tv
EP 1820, DC
SENSIT
SENSIT
Specifications (cont.)
Dimensions
Operation Diagram
Power supply
Object present, light beam interrupted
Output ON: Break switching (NC), WH (2)
Make switching (NO), BK (4)
Wiring Diagrams
Accessories
• Reflectors: ER series
• Connector type CON.1A../CON.14NF.. series
• MB18A
• APA18-RAR
For further information refer to “Accessories”.
Delivery Contents
• Photoelectric switch ER1820.
• 2 nuts
• Packaging: Plastic bag
Dielectric voltage
500 V (IEC 60364-4-41)
Housing material
Body
Nickel plated brass
Front
PMMA, red
Cable end
Polyester, black
Nuts
Nickel plated brass
Connection
Cable
Grey, 2 m, 4 x 0.35 mm2,
oilproof PVC
Plug
M12 x 1
Cable for plug (M1)
CON.1A... series
Weight
Cable version
175 g
Plug version
90 g
CE-marking
Yes
Y
X
Sensor
ER4
Reflector
-20.0
-10.0
0.0
10.0
20.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Distance (m)
(feet)
1.6
3.3
4.9
6.6
10
-0.8
-0.4
0
0.4
0.8
8.2
Detection Diagram
+
-
1 BN
4 BK
2 WH
3 BU
+
-
1 BN
4 BK
2 WH
3 BU
PNP
NPN
Installation Hints
Relief of cable strain
Protection of the sensing face
Switch mounted on mobile carrier
To avoid interference from inductive voltage/
current peaks, separate the prox. switch pow-
er cables from any other power cables, e.g.
motor, contactor or solenoid cables
Incorrect
Correct
The cable should not be pulled
A proximity switch should not serve as
mechanical stop
Any repetitive flexing of the
cable should be avoided
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