OUT

BROWN

BLACK

BUSBAR

+

-

2

3

I.S.

+

-

-

+

3

2

1

Safe area

Hazardous area

Barriers not required for Div 2

30 V dc max. (See General Notes and Conditions

for Safe Use)

≤ 10 mA (OFF state)

≥ 20 mA (ON state)

Sensor

Barrier

IN

V

SMI30 Series Sensor Bottom view

(colors shown are for mating

cordset MBCC-312)

Blue

Operating voltage

18–30 V dc

25 mA dc

Earth ground

(less than 1 ohm)

G

Black

Brown

Figure 2. Wiring for 2-Wire Connections

SMI30 Specifications

Supply Voltage and Current

Emitters: 10 to 30 V dc at 25 mA

Receivers: 10 to 30 V dc at 15 mA max. Division 1 use, with barriers, requires

minimum system supply voltage of 10 V. See Wiring Connections on page 3.

Sensing Beam

880 nanometers, infrared; effective beam size 0.75 inch diameter.

Indicator

Internal red LED lights whenever the receiver sees its modulated light source.

Emitters have red "power on" indicator LED. All indicators are visible through

the lens or from side of the sensor.

Construction

Banner tested to NEMA 6P, IEC IP67.

30 mm diameter tubular threaded PBT housing, positive sealing at both ends;

quad-ring sealed acrylic lens. Electronics are fully epoxy encapsulated. Two PBT

jam nuts are provided.

Mounting Alternatives

30 mm clearance hole

SMB30C split clamp mounting bracket; SMB30MM two-axis mounting bracket;

SMB30S swivel mounting bracket. See APG30S Aperture Kit on page 6

Cable

Three-wire mini-type QD cable (12 ft. long model SMICC-312 or 30 ft. long

model SMICC-330).

Cable electrical properties: 40 pf/ft.; 0.20 μH/ft.

Order cable separately from sensor.

Application Note

Special Conditions for Safe Use: Parts of the enclosure are non-conducting and

may generate an ignition-capable level of ESD. Cleaning of the equipment must

be done only with a damp cloth.

Output Rating

Receivers only: Current sinking NPN open-collector transistor. Three-wire

hookup sinks 15 mA maximum continuous, 10 to 30 V dc. Two-wire hookup

sinks ≤10 mA (OFF state) and ≥20 mA (ON state), 10 to 30 V dc. Outputs are

short-circuit protected.

Response Time

10 milliseconds on/off (models with 1 ms response are available by special

order)

Repeatability

See excess gain curve. Response Time and Repeatability specifications are

independent of signal strength.

Operating Temperature

−40 °C to +70 °C (−40 °F to +158 °F)

Certifications

1725

IEC IECEx FMG 14.0029X

ATEX FM12ATEX0094X

FM CoC 0003046293 (US)

FM CoC 0003046293C (CAN)

Design Standards

ATEX (European)

EN 60079-0, EN 60079-11 and EN 60079-26

Canada

CAN/CSA C22.2: No.0-M91, No.142-M1987, No.157-92, No.213-M1987, No.1010.1, E60079-0 and E60079-11

United States

FM Class 3600, 3610, and 3810; ANSI/ISA 61010-1 (82.02.01), 60079-0 and 60079-11

IECEx

IEC 60079-0, IEC 60079-11

SMI30 Series Sensor

4

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