Limit Switch Style Bulletin 871L 872L inductive proximity sensors

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Limit Switch Style Bulletin 871L 872L inductive proximity sensors

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Bulletin 871L 872L
Limit Switch Style
Bulletin 871L 872L inductive proximity sensors self-contained, general purpose, solid state devices designed sense presence metal objects (ferrous nonferrous) without touching them. These devices provide mounting interchangeability, easily-wired terminations, rugged construction. adjustable head positioned side sensing. side-sensing applications, head rotated 22.5-degree increments locked positions. These sensors available with 1/2-14NPT conduit opening, mini quick-disconnect, micro quickdisconnect.
Features
sensing head positions top, side) Conduit quick-disconnect styles Short circuit protection Overload protection Transient noise protection False pulse protection Reverse polarity protection Selectable normally open normally closed output marked applicable directives
Styles
2-Wire page 2-144 AC/DC 2-Wire page 2-144 3-Wire page 2-146
Accessories
Quick-Disconnect Cables page
General Information
Metric/English Conversion Chart page 11-1
2-143
871L AC/DC 872L 2-Wire
Limit Switch Style Specifications
871L Models Load Current Minimum Load Current Inrush Current cycle) Leakage Current Operating Voltage 871L AC/DC 872L Mini Quick-Disconnect Style page 2-145 Voltage Drop Repeatability Hysteresis False Pulse Protection Transient Noise Protection Short Circuit Protection Approvals Enclosure Connections 871L AC/DC 872L Micro Quick-Disconnect Style page 2-145 400mA 20-250V AC/DC Incorporated Incorporated Incorporated marked applicable directives NEMA IP65 (IEC 529) Polyloy Quick Disconnect: 3-pin mini style 3-pin micro style Conduit Opening: 1/2-14 internal thread with screw terminals Green: Power (Blinks SCP/Overload) Orange: Output Energized -25°C +70°C (-13°F +158°F) 30g, 11ms 55Hz, amplitude, planes 500mA 20-250V Incorporated Incorporated Incorporated 872L Models
LEDs Operating Temperature Shock Vibration Correction Factors Target Material
Steel
Correction Factor
0.7-0.8 0.4-0.5 0.3-0.4 0.2-0.3
871L AC/DC 872L Conduit Style page 2-145
Stainless Steel Brass Aluminum Copper
Features
2-wire operation 2-terminal 3-pin connection 20-250V AC/DC 871L models 20-250V 872L models Switch selectable normally open normally closed output 871L models Normally open normally closed output programmable jumper 872L models False pulse, transient noise, short circuit overload protection marked applicable directives
2-144
871L AC/DC 872L 2-Wire
Limit Switch Style Selection Guide
Head Size Nominal Sensing Distance (inches)
(0.79) (1.57) (0.79) (1.57)
Shielded
Output Configuration
Selectable electable N.O. N.C.
Switching Frequency (Hz)
Catalog Number Conduit Style
871L-B20E40-T2 871L-B40E40-T2
Mini Style
871L-B20E40-N3 871L-B40E40-N3 872L-A20E40-N3 872L-A40E40-N3 889N-F3AFC-6F
Micro Style
871L-B20E40-R3 871L-B40E40-R3 872L-A20E40-R3 872L-A40E40-R3 889R-F3ACA-2
Programmable N.O. N.C.
872L-A20E40-T2 872L-A40E40-T2
Recommended Standard Cordset (-6F 1.8m (6ft), (6.5ft))
Cordsets Accessories
Description Other Cordsets Available Page Number 5-8, 5-44
Dimensions-mm (inches)
Conduit Style
120.0 (4.72) LEDs Conduit Entrance 1/2-14 (0.29) 40.0 (1.57) 40.0 (1.57) 17.0 (0.67) 1/2-20 UNF-2A 60.0 (2.36) 30.0 (1.18)
Mini Style
120.0 (4.72) LEDs 40.0 (1.57) 40.0 (1.57)
Micro Style
120.0 (4.72) LEDs 40.0 (1.57) 40.0 (1.57)
7/8-16UN-2A 60.0 (2.36) 30.0 (1.18)
15.9 (0.63) Note: Head rotated 22.5° increments provide side-sensing positions rotated top-sensing.
30.0 (1.18)
(0.29)
(0.29)
60.0 (2.36)
Wiring Diagram
Conduit Style Normally Open
Mini Style Normally Open Normally Closed
Micro Style Normally Open Normally Closed
Load
Load
Normally Closed
Load Note: Load switched Note: Load switched
Load
Note: Load switched Terminal
2-145
871L 872L 3-Wire
Limit Switch Style Specifications
871L Models Load Current Leakage Current Operating Voltage Voltage Drop Repeatability 871L 872L Mini Quick-Disconnect Style page 2-147 Hysteresis False Pulse Protection Transient Noise Protection Reverse Polarity Protection Short Circuit Protection Overload Protection Approvals Enclosure Connections 400mA 10µA 10-60V 2.4V typical Incorporated Incorporated Incorporated Incorporated Incorporated marked applicable directives NEMA IP67 (IEC 529) Polyloy Quick-Disconnect: 4-pin mini style 4-pin micro style Conduit Opening: 1/2-14 internal thread with screw terminals Green: Power (Blinks SCP/Overload) Green: Power (Blinks SCP/Overload) Orange: Output Energized Orange: Output Energized Red: Alignment Indicator -25°C 70°C (-13°F +158°F) 30g, 11ms 55Hz, amplitude, planes 120mA 10µA 10-30V 2.5V typical Incorporated Incorporated Incorporated Incorporated Incorporated 872L Models
871L 872L Micro Quick-Disconnect Style page 2-147
LEDs
Operating Temperature Shock Vibration Correction Factors Target Material 871L 872L Conduit Style page 2-147
Steel Stainless Steel Brass Aluminum Copper
Correction Factor
0.7-0.8 0.4-0.5 0.3-0.4 0.2-0.3
Features
3-wire operation 3-terminal 4-pin connection 10-60V 871L models 10-30V 872L models Switch selectable normally open normally closed output 871L models Normally open normally closed outputs programmable jumper 872L models Alignment 871L models False pulse, transient noise, reverse polarity, short circuit overload protection marked applicable directives
2-146
871L 872L 3-Wire
Limit Switch Style Selection Guide
Head Size Nominal Sensing Distance (inches)
(0.79) (1.57) (0.79) (1.57) Programmable N.O. N.C.
Shielded
Output Configuration
Selectable electable N.O. N.C.
Switching Frequency (Hz)
Catalog Number Conduit Style
871L-D20EN40-T3 871L-D20EP40-T3 871L-D40EN40-T3 871L-D40EP40-T3 872L-D20EN40-T3 872L-D20EP40-T3 872L-D40EN40-T3 872L-D40EP40-T3
Mini Style
871L-D20EN40-N4 871L-D20EP40-N4 871L-D40EN40-N4 871L-D40EP40-N4 872L-D20EN40-N4 872L-D20EP40-N4 872L-D40EN40-N4 872L-D40EP40-N4 889N-F4AFC-6F
Micro Style
871L-D20EN40-D4 871L-D20EP40-D4 871L-D40EN40-D4 871L-D40EP40-D4 872L-D20EN40-D4 872L-D20EP40-D4 872L-D40EN40-D4 872L-D40EP40-D4 889D-F4AC-2
Recommended Standard Cordset (-6F 1.8m (6ft), (6.5ft))
Cordsets Accessories
Description Other Cordsets Available Page Number 5-8, 5-44
Dimensions-mm (inches)
Conduit Style
120.0 (4.72) LEDs Conduit Entrance 1/2-14 (0.29) 40.0 (1.57) 40.0 (1.57) 17.0 (0.67) 30.0 (1.18) (0.29) 60.0 (2.36) 30.0 (1.18) (0.29) 60.0 (2.36)
Mini Style
120.0 (4.72) LEDs 40.0 (1.57) 40.0 (1.57)
Micro Style
120.0 (4.72) LEDs 40.0 (1.57) 40.0 (1.57)
7/8-16UN-2A 60.0 (2.36)
15.9 (0.63) Note: Head rotated 22.5° increments provide side-sensing positions rotated top-sensing.
30.0 (1.18)
Wiring Diagram
Conduit Style Normally Open
(Sinking) 10-60V 10-60V Load Load Load (Sourcing)
Mini Style Normally Open Normally Closed
(Sinking)
Micro Style Normally Open Normally Closed
(Sinking)
Load
Normally Closed
(Sinking) 10-60V 10-60V Load Load (Sourcing) 10-60V 10-60V (Sourcing)
(Sourcing)
Load
Load
10-60V
10-60V
2-147
Notes
2-148

Limit Switch Style Bulletin 871L 872L inductive proximity sensors

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