SICK 1040740 IME12-02BNSZC0S NPN Inductive Sensor

Technical Overview

The SICK IME12-02BNSZC0S is a standard-design M12 × 1 inductive proximity sensor for flush installation. Nominal sensing range is 2 mm and assured sensing range is 1.62 mm, with material-dependent reduction factors for nonferrous and stainless targets. Its NPN normally-open output switches at up to 2,000 Hz and supports continuous current up to 200 mA. The 10–30 V DC three-wire device connects through an M12 four-pin male connector. A nickel-plated brass housing and PA66 sensing face provide IP67 protection. Two nickel-plated brass mounting nuts are supplied. Operating temperature spans −25 to +75 °C, and maximum tightening torque is 12 Nm.

Flush standard-design M12 inductive sensor with 2 mm nominal range, 1.62 mm assured range, NPN normally-open output and an M12 four-pin male connector.

Key Features

Inductive proximity sensing; standard-design M12 × 1 housing; flush installation

2 mm nominal sensing range; 1.62 mm assured sensing range

NPN normally-open output; DC three-wire configuration

2,000 Hz switching frequency; continuous output current ≤200 mA

10–30 V DC; no-load current ≤10 mA; voltage drop ≤2 V at maximum load

≤100 ms time delay before availability; short-circuit and power-up pulse protection

M12 four-pin male connector

Nickel-plated brass housing; PA66 sensing face; IP67

Two nickel-plated brass mounting nuts supplied; 17 mm across flats

−25 to +75 °C operation; tightening torque ≤12 Nm

Technical Specification Matrix

Parameter	Value
Functional principle	Inductive proximity sensor
Housing design	Metric standard-design
Mounting thread	M12 × 1
Installation	Flush
Nominal sensing range Sn	2 mm
Assured sensing range Sa	1.62 mm
Switching output	NPN
Output function	Normally open (NO)
Electrical wiring	DC three-wire
Switching frequency	2,000 Hz
Power supply	10–30 V DC
Ripple	≤10%
Voltage drop	≤2 V at maximum output current
Time delay before availability	≤100 ms
Hysteresis	5–15%
Reproducibility	≤2% of real sensing range Sr at constant supply voltage and ambient temperature
Temperature drift	±10% of real sensing range Sr
Continuous output current	≤200 mA
No-load current	≤10 mA
Short-circuit protection	Provided
Power-up pulse protection	Provided
Connection	M12 four-pin male connector
Wire assignments	CD-007: 1 BN=L+; 4 BK=normally-open output; 2=not connected; 3 BU=M
Housing material	Nickel-plated brass
Sensing face material	PA66 plastic
Housing length	65 mm
Thread length	48 mm
Tightening torque	≤12 Nm
IP rating	IP67 according to EN 60529
Items supplied	Two nickel-plated brass mounting nuts; 17 mm across flats
Indicator	Display LED
Operating temperature	−25 to +75 °C
Shock resistance	30 g, 11 ms
Vibration resistance	10–55 Hz, 1 mm amplitude
EMC	According to EN 60947-5-2
UL file	NRKH.E181493
MTTFD	1,735 years
DCavg	0%
Material reduction factors	Reference values, may vary: St37 steel 1; stainless steel V2A/304 approximately 0.8; aluminum approximately 0.45; copper approximately 0.4; brass approximately 0.4

Parameter

Value

Functional principle

Inductive proximity sensor

Housing design

Metric standard-design

Mounting thread

M12 × 1

Installation

Flush

Nominal sensing range Sn

2 mm

Assured sensing range Sa

1.62 mm

Switching output

NPN

Output function

Normally open (NO)

Electrical wiring

DC three-wire

Switching frequency

2,000 Hz

Power supply

10–30 V DC

Ripple

≤10%

Voltage drop

≤2 V at maximum output current

Time delay before availability

≤100 ms

Hysteresis

5–15%

Reproducibility

≤2% of real sensing range Sr at constant supply voltage and ambient temperature

Temperature drift

±10% of real sensing range Sr

Continuous output current

≤200 mA

No-load current

≤10 mA

Short-circuit protection

Provided

Power-up pulse protection

Provided

Connection

M12 four-pin male connector

Wire assignments

CD-007: 1 BN=L+; 4 BK=normally-open output; 2=not connected; 3 BU=M

Housing material

Nickel-plated brass

Sensing face material

PA66 plastic

Housing length

65 mm

Thread length

48 mm

Tightening torque

≤12 Nm

IP rating

IP67 according to EN 60529

Items supplied

Two nickel-plated brass mounting nuts; 17 mm across flats

Indicator

Display LED

Operating temperature

−25 to +75 °C

Shock resistance

30 g, 11 ms

Vibration resistance

10–55 Hz, 1 mm amplitude

EMC

According to EN 60947-5-2

UL file

NRKH.E181493

MTTFD

1,735 years

DCavg

Material reduction factors

Reference values, may vary: St37 steel 1; stainless steel V2A/304 approximately 0.8; aluminum approximately 0.45; copper approximately 0.4; brass approximately 0.4

Industrial Applications

1. Confirming a metal clamp at its seated position

A fixture can present a metal clamp target to the flush sensing face at a controlled final gap. External sequencing logic samples the NPN normally-open output after the clamp settles. Commissioning checks target material, thickness and placement tolerance against the nominal and assured ranges, accounting for material reduction factors before accepting the seated condition.

Problem Solved

A clamp-position reference helps external sequencing logic distinguish a seated metal target from an open location, using a flush inductive sensing point checked for the actual target material.

Clamp presence Flush installation NPN output

2. Counting separated metal flags on a moving mechanism

A moving mechanism can carry separated metal flags past the inductive sensing face and feed NPN transitions to external counting electronics. Setup checks flag material, coverage, passing gap and the separation between flags. Motion timing is verified against the 2,000 Hz switching frequency, and the connected input respects the continuous-current and voltage-drop limits.

Problem Solved

A metal-flag passage reference helps external counting electronics register repeated mechanical events, using contactless inductive switching checked for the actual target spacing, material and travel speed.

Metal-flag counting Inductive switching Timing checks

3. Referencing a carriage near a travel position

A carriage can bring a metal reference tab toward the flush-mounted sensor near a defined travel position. External motion logic reads the NPN normally-open state as a position reference. Installation checks tab material, approach geometry and allowable gap, while commissioning accounts for reproducibility, hysteresis and temperature drift so the reference remains meaningful over the expected operating conditions.

Problem Solved

A carriage-reference signal helps external motion logic identify a checked mechanical position, using inductive target detection and installation margins established for the actual approach geometry and temperature range.

Carriage reference Metal target Installation margins