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LINEPULS SMI2, SMI5

Product catalog summary

Overview: This document provides technical specifications and details for the SMI2 and SMI5 linear encoders, which are ideal for use with linear motors and pick & place axes. The encoders feature a resolution selector ranging from 50 to 2 μm and a compact reading head with IP68 protection.

Specifications:

Resolution: SMI2: 0.002 to 0.02 mm; SMI5: 0.005 to 0.05 mm
Sensor Accuracy: ±1 increment after auto-calibration
Repeat Accuracy: ±1 increment
Output Circuits: Line Driver, Push-Pull
Counting Frequency: 500 kHz max (others on request)
Power Supply: +5Vdc ±5%, +10Vdc to +30Vdc
Power Consumption: 80 mA
Protection: Against inversion of polarity (except 5Vdc version) and short-circuit
EMC: According to EN 61000-6-2 level 3

Mechanical Specifications:

Dimensions: Refer to drawing
Housing Material: Sensor: die-cast aluminium, UNI EN AC-46100; Connector: Macromelt OM646-EN
Electrical Connections: Lika Hi-flex cable M6 + DSub 9 pin inline plug
Gap Between Sensor/Tape: SMI2: 0.1 to 1.0 mm; SMI5: 0.1 to 2.0 mm
Travel Speed: Max 16 m/s
Measurement Length: Tape length minus 5 mm each side

Environmental Specifications:

Shock: 250 g, 6 ms according to CEI EN 60068-2-27
Vibrations: 10 g, 5-2000 Hz according to CEI EN 60068-2-6
Protection: IP68 (sensor head), IP65 (connector)
Operating Temperature Range: -25°C to +85°C (-13°F to +185°F)
Storage Temperature Range: -40°C to +100°C (-40°F to +212°F)

Accessories:

MT50: Magnetic tape for SMI5
MT20: Magnetic tape for SMI2
KIT LKM-1440: Set of tape terminals (10 pcs)
EDE9P: 9 pin DSub mating connector

Ordering Information:

Sensor Order Code: Includes options for sensor shape, output circuits, cable length, and edge distance
Magnetic Tape Order Code: Includes options for length, accuracy class, cover strip, and custom version

Performance Data: Tables provide resolution versus maximum possible speed for both SMI2 and SMI5, with specific order codes and edge distances.

Catalog excerpts

LINEPULS Linear encoder with resolution selector Resolution selector from 50 to 2 μm Compact reading head with IP68 protection Power-on and error LEDs Automatic output signal performance control Ideal for linear motors and pick & place axes SMI2 • SMI5 ENVIRONMENTAL SPECIFICATIONS Shock: Vibrations: Protection: Operating temperature range: Storage temperature range: 250 g, 6 ms acc. to CEI EN 60068-2-27 10 g, 5-2000 Hz acc. to CEI EN 60068-2-6 IP68 (sensor head), IP65 (connector) -25°C ÷ +85°C (-13°F +185°F) -40°C ÷ +100°C (-40°F +212°F) MECHANICAL SPECIFICATIONS Dimensions: Housing material: see drawing sensor: die cast aluminium, UNI EN AC-46100 connector: Macromelt OM646-EN Lika Hi-flex cable M6 + DSub 9 pin inline plug SMI2: 0,1 ÷ 1,0 mm SMI5: 0,1 ÷ 2,0 mm max 16 m/s Tape length -5 mm each side Electrical connections: Gap between sensor/tape (without cover strip): Travel speed (mechanical): Measurement length: ELECTRICAL SPECIFICATIONS Resolution: SMI2: 0,002 ÷ 0,02 mm SMI5: 0,005 ÷ 0,05 mm ±1 increment (after auto-calibration) ±1 increment Line Driver, Push-Pull AB0 /AB0 500 kHz max. (others on request) +5Vdc ±5%, +10Vdc ÷ +30Vdc 80 mA against inversion of polarity (except 5Vdc version) and short-circuit acc. to EN 61000-6-2 level 3 Sensor accuracy: Repeat accuracy: Output circuits: Output signals: Counting frequency: Power supply: Power consumption: Protection: EMC: Edge distance SMI5 Resolution (μm) vs. max. possible speed (m/s) Order code Edge distance (μsec) Edge distance SMI2 Resolution (μm) vs. max. possible speed (m/s) Order code Edge distance (μsec) Magnetic tape for SMI5 Magnetic tape for SMI2 Set of tape terminals (1

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Order code - Sensor SMI2 SMI5 a R = rectangular sensor b OUTPUT CIRCUITS YC-2 = Push-Pull, 10 ÷ 30Vdc (AB0 /AB0) L-1 = Line Driver (RS422), +5Vdc ±5% (AB0 /AB0) d EDGE DISTANCE B = 2 μs (500 kHz) - standard on request: K = 0,125 μs (8 MHz) H = 0,25 μs (4 MHz) J = 0,5 μs (2 MHz) A = 1 μs (1 MHz) Order code - Magnetic tape MT20 MT50 d CUSTOM VERSION Specifications subject to changes without pr

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