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Photoelectric switch with built-in amplifier (long distance) in plastic housing
E3G
Retroreflective Models
• Sensing Distance of 10 m, with polar-
ized light to detect shiny objects.
• Operation stability monitored ba the
stability indicator.
Distance-setting Models
• Distance setting models with a long
2 m sensing distance incorporate a
teaching function.
• Set sensing area (zone setting) func-
tion allows detection of shiny objects
with uneven surface.
Common Features
• Meets IEC IP67 requirements.
• M12 rotary connector, pre-wired or ter-
minal block connection
Retroreflective Models
Though the Size Is Compact, the Sensing
Distance Is as Long as 10m.
Replace the conventional through-beam model with the ret-
roreflective model for saving wiring and installation space.
E3G
Features
10m
10m
Reflector
Easy monitoring of Operation stability by
means of stability indicator.
The stability indicator becomes
darker due to dust on the lens or
improper optical axis adjustment.
A-119
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Table of Contents
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Summary of Contents for Omron E3G
- Page 1 Photoelectric switch with built-in amplifier (long distance) in plastic housing Retroreflective Models • Sensing Distance of 10 m, with polar- ized light to detect shiny objects. • Operation stability monitored ba the stability indicator. Distance-setting Models • Distance setting models with a long 2 m sensing distance incorporate a teaching function.
- Page 2 Useful variable power for teaching without a sensing object. supply: 24 V to 240 VAC or 12 to 240 VDC). Easy Optimum Sensing Distance Adjust- IEC Standard IP67 Water Proofing ments Teaching with and without a sensing object ensures highly ac- curate detection without influence from the background.
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Page 3: Ordering Information
0.2 to 2 m ON or OFF Terminal block delay 0 to 5 s E3G-ML79T-G (adjustable) * Values in parentheses indicate the minimum required distance between the sensor and reflector. Accessories (Order Separately) Reflectors Shape Sensing distance (typical) Model Quantity... - Page 4 1 minute 1 minute Vibration Destruction: 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions resistance * Values in parentheses indicate the minimum required distance between the sensor and reflector. A-122...
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Page 5: Output Circuit Diagram
Distance-setting Item Model E3G-R13-G E3G-R17-G E3G-MR19-G E3G-MR19T-G E3G-L73 E3G-L77 E3G-ML79-G E3G-ML79T-G Shock resistance 500 m/s 3 times in each of X, Y and Z directions Protective IEC 60529 IP67 (with Protective Cover attached) structure Pre-wired Pre-wired Connection (standard Terminal block... - Page 6 OFF delay * * For ON and OFF, delay timers vary independently. Note: Td1, Td2: Delay time (0 to 5 s), T1: Any period longer than delay time, T2: Any period shorter than delay time Connectors (Sensor I/O connectors) Terminal No.
- Page 7 - 40 − 40 Distance X (m) Distance (m) Distance X (m) Sensing Object Size vs. Setting Distance Sensing Object Angle Characteristics Sensing Object Angle (Left and Right) (Up and Down) Sensing object: White paper White paper Sensing object: White paper Distance setting: 0.5, 1 and 2 m...
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Page 8: Distance-Setting
Sensitivity adjuster RUN(D•ON)/ L.ON/D.ON selector NORMAL/ZONE selector RUN(L•ON) TEACH button E3G-MR19-G (Terminal Block Model) E3G-MR19T-G (Terminal Block Model with Timer) E3G-ML79-G (Terminal Block Model) E3G-ML79T-G (Terminal Block Model with Timer) Indicators Stability indicator (Green) Teaching indicator (Red and green) Operation indicator (Orange) -
Page 9: Operation
Perform distance setting (teaching). Refer to "Distance Setting (Teaching)". Check that the mode selector is set to RUN. Distance Setting (Teaching) Select the most appropriate teaching method in reference to the following descriptions. Setting a threshold in the Teaching without sensing... -
Page 10: Correct Use
(see note) Note: If the operation level is set to the stable operation range, the E3G will operate with the highest reliability and without being influenced by temperature change, voltage fluctuation, dust, or setting change. A-128... - Page 11 (Recommended example) All E3G Models Design Load Relay Contact If a load is used that will spark when it is turned OFF (e.g. a Terminal contactor or valve), the usually closed side may be turned ON protection cover before the usually open side is turned OFF or vice versa. If...
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Page 12: Dimensions (Unit: Mm)
Operation indicator (Orange) Operation mode selector E3G-MR19-G M2.6 Stability indicator (Green) E3G-MR19T-G OFF-delay adjuster * Note: * The ON or OFF-delay adjuster is not available with the E3G-MR19. Sensitivity adjuster ON-delay adjuster * Mounting Holes Two, 4.5 dia. mounting holes... -
Page 13: Connector Type
Operation indicator (Orange) TEACH button Indicators M2.6 Note: The figures and dimensions not Stability indicator (Green) Operation mode selector given are the same as those of Teaching indicator (Red and green) E3G-L73-G shown on the left. Mounting Holes 47.8 Two, 4.5 dia. - Page 14 Reflectors and Mounting Brackets ALL DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527. Cat. No. E278-E2-04-X In the interest of product improvement, specifications are subject to change without notice.
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