• A black-anodized aluminum block with holes drilled for mounting in any of 3 directions with plastic set screws

• An adjustable stainless steel bracket with 3 spring-loaded screws (2 of the screws are used for precise alignment)

The mounting block, model SMB127, can be ordered separately.

Figure 1. Three Possible M12 Orientations

1. Insert the laser emitter into the SMB127 mounting block, through any of the three holes.

2. Make sure that the label area of the emitter is not aligned with a set screw.

3. Tighten the set screws, using the supplied 3/64-in Allen wrench, so that the emitter is held snugly in place.

4. Mount the block to the adjustable baseplate (or to your own bracket).

5. Mount the bracket base using your own M5 or #10 screws or bolts.

6. Check for alignment (see Alignment).

7. Tighten or loosen one or two of the precision alignment screws, using the supplied 2 mm Allen wrench, until the laser is

accurately aligned.

Wiring

Quick disconnect (QD) wiring diagrams are functionally identical.

10-30V dc

Beam

Enable

1

–

+

3

4

Key

1 = Brown

3 = Blue

4 = Black

Alignment

M12 laser emitters have a beam divergence of only 0.03° (0.5 milliradians) at 25 °C (77 °F) ambient temperature (see Figure 2 on page

2). This translates, for example, to a beam diameter of only 8 mm (0.3 in) at a distance of 6.1 m ( 20 ft). Consequently, there is very

little forgiveness for angular misalignment.

Sensing Distance = X

Approx.

0.5mrad = 0.029º

Approx. 2 mm

W = 2 mm + 2X(tan.0029º) = 2 mm + X(0.001)

W

Laser Emitter

Opposed Distance (X)

Beam Width (W)

1.5 m (5 ft)

3.5 mm (0.14 in)

3 m (10 ft)

5 mm (0.2 in)

6 m (20 ft)

8 mm (0.3 in)

15 m (50 ft)

17 mm (0.7 in)

30 m (100 ft)

32 mm (1.3 in)

Figure 2. M12 laser emitter beam divergence at 25 °C (beam size vs. distance)

M12 Class 1 Laser Emitter

2

www.bannerengineering.com - Tel: +1-763-544-3164

P/N 53808 Rev. C