KTM-LN557A1P

Features

Dimensions (W x H x D)	12 mm x 31.5 mm x 21 mm
Sensing distance	≤ 250 mm
Sensing distance tolerance	± 30 mm
Housing design	Small
Light source	Laser, red ¹⁾
Laser class	I
Wave length	680 nm
Light emission	Long side of housing
Light spot size	Ø 1.8 mm (250 mm)
Light spot direction	Round
Receiving filters	None
Max. web speed	10 m/s ²⁾
Adjustment	Teach-in button
Teach-in mode	2-point teach-in static/dynamic + proximity to mark

Mechanics/electronics

Supply voltage	10 V DC … 30 V DC
Ripple	≤ 5 V_pp ¹⁾
Current consumption	< 35 mA ²⁾
Switching frequency	1.5 kHz ³⁾
Response time	0.333 ms ⁴⁾
Jitter	122 µs
Accuracy	0.15 mm
Switching output	NPN
Switching output (voltage)	NPN: HIGH = approx. U_V/ LOW ≤ 2 V
Switching mode	Light/dark switching
Output current I_max.	100 mA ⁵⁾
Retention time (ET)	250 ms
Time delay	Switch-off delay, 520 ms (via IO-Link)
Connection type	Male connector M8, 4-pin
Protection class	III
Circuit protection	U_V connections, reverse polarity protected Output Q short-circuit protected Interference pulse suppression
Enclosure rating	IP67
Weight	Approx. 11 g
Housing material	Plastic, ABS
Optics material	Plastic, PMMA
Indication	LED indicator green: power on LED indicator, yellow: Status switching output Q

¹⁾ May not exceed or fall below U_v tolerances.
²⁾ Without load.
³⁾ With light/dark ratio 1:1.
⁴⁾ Signal transit time with resistive load.
⁵⁾ At supply voltage > 24 V, I_max = 50 mA. I_max is consumption count of all Q_n.

Communication interface

Process data structure A

Bit 0 = switching signal Q_L1

Bit 1 = switching signal Q_L2

Bit 2 = switching signal Q_Int1

Bit 3 … 5 = empty

Bit 6 … 15 = measuring value

Process data structure B

Bit 0 = switching signal Q_L1

Bit 1 = switching signal Q_L2

Bit 2 = switching signal Q_Int1

Bit 3 … 15 = empty

Digital output	Q₁, Q₂
Number	2

Classifications