Offline single-side top inspection

modusAOI MLD1200 V2.0-OS

The MLD1200 V2.0-OS is a single-sided offline AOI system for the inspection of assembled printed circuit boards from the top. It has one multi-LED illuminated image scanner as well as our patented parallax-free lenses. It includes a modus control unit with the latest modus software. An optional trolley is available.


Single system for inspection printed circuit boards from the top side.

Combination of different inspection tasks such as SMD placement, THT solder joints, conformal coating and full screening for solder beads (solder balls).

Capture of any number of barcodes and data-matrix codes on the multi PCB.

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Technical information

Scan unit

  • Resolution: 600 - 1200 dpi, 42μm - 21μm

  • Color depth 3 x 12 bit internal, 3 x 8 bit external

  • Light source: multi-LED illumination

    Optional: UV LED cluster 365nm focused

  • Adjustable illumination profiles

  • Triggered light control

  • Telecentric lens for a parallax free image rectified image due to orthogonal calibration

  • Optional: Conformal coating thickness calibration


  • Intel Core i7 4.2GHz latest generation

  • 32GB DDR4-RAM, DVD-writer

  • 2 x 1Gb/s network interface

  • I/O module

  • 2 x 6TB HDD’s (NAS 24/7)

  • 1 x 500GB V-NAND SSD NVMe M.2

  • Windows 10 Professional/LTSB 64Bit

  • Acronis backup software

  • keyboard

  • mouse

  • operator keyboard

  • 24“ Full-HD IPS 16:9 Monitor

Operating range

  • PCB area 300 mm x 410 mm (11.8 in. x 15.8 in.)

  • Clearance TOP up to 50mm (1.9 in.)

Inspection speed

  • Full area (double-sided) independent of the number of inspection parts: 25 seconds (including calulation time). Smaller scan area means less inspection time.

PCB JIG for fixing device under test

  • Single system with drawer and variable height fixture (magnetically adjusted).

  • Closing the drawer starts the inspection automatically.

  • We are also able to provide an ergonomic soldering frame fixture without drawer.

Dimensions and weight

  • Desktop system 760 mm x 590 mm (29.9 in. x 23.2 in.)

  • Height 490 mm (19.3 in., drawer included)

  • Weight ca. 80 kg (176 lbs)

Connection values and setting conditions

  • 230 V / 50 Hz P1 or 110 V / 60 Hz

  • Power consumption of scanner 250 W

  • Temperature: 5° C - 35° C

  • Humidity: 10 % - 80 % non-condensing