Vision camera module for inline inspection: compact GigE Vision area-scan camera with C-mount lens

01

Match sensor, frame rate and link bandwidth

LUCID's Triton 5.0 MP camera lists a Sony IMX264 global-shutter CMOS sensor of 11.1 mm (Type 2/3″), 2448 × 2048 px with 3.45 µm pixels, 22 fps at 5.0 MP, or 24 fps with no link throughput reserve, and states that it recommends a 10% device-link throughput reserve for stream reliability. It uses a 1000BASE-T GigE M12 (8-pin X-coded) connector with PoE (IEEE 802.3af) or 12–24 VDC external power, consumption of 3.1 W (typ.) via PoE and 2.5 W externally, an 8-pin M8 GPIO connector, a 128 MB image buffer, a 12-bit ADC, and GigE Vision v2.0 compliance. [1]

Editorial calculation: 2448 × 2048 = 5,013,504 pixels per frame; at 22 fps and 8 bits per pixel that is about 882 Mbit/s, close to the 1 Gbit/s link, and at 24 fps about 963 Mbit/s, which is why the stated rate depends on the reserve. The active area is 2448 × 3.45 µm ≈ 8.45 mm by 2048 × 3.45 µm ≈ 7.07 mm, a diagonal of about 11.0 mm against the 11.1 mm LUCID states. [1]

The same data list a C-mount lens mount, 29 × 29 × 45 mm size, 67 g, IP67 when used with an IP67 lens tube and cables, operating temperature of −20 to 55 °C ambient, storage at −30 to 60 °C, 20–80% non-condensing humidity, shock and vibration tests to DIN EN 60068-2-27, -2-64 and -2-6, EMC immunity to DIN EN 61000-6-2, 8 kV ESD, and synchronisation by software trigger, hardware trigger or PTP (IEEE 1588). [1] LUCID describes the Triton family as GigE Vision and GenICam compliant PoE cameras in a die-cast aluminium 29 × 29 mm case with M12 GigE and M8 GPIO connectors. [2]

Give the supplier the field of view, smallest defect or feature to resolve, part speed and parts per minute, working distance, lighting, colour or mono, trigger source, cable length and the ingress protection needed at the station.

02

Compare cameras on EMVA 1288 sensor data

The European Machine Vision Association describes EMVA 1288 as the standard for measurement and presentation of specifications for machine vision sensors and cameras, defining a unified method to measure, compute and present them; release 4.0 became effective in June 2021, replacing release 3.1 of December 2016, which had limited the standard's linear model to cameras with a linear response and no pre-processing, and companies that self-certify compliance may use the "EMVA standard 1288 compliant" logo. [3]

LUCID publishes EMVA 1288 results for the Triton 5 MP: for the mono model, 71.61 dB dynamic range, 40.23 dB maximum SNR, 10,540 e⁻ saturation capacity, an absolute sensitivity threshold of 3.99 photons at 527.5 nm, 2.13 e⁻ temporal dark noise, 3.15 e⁻/s dark current, 0.63 e⁻ DSNU, 0.64% PRNU and linearity error of +0.25/−0.46%; for the colour model, 71.64 dB, 40.24 dB, 10,587 e⁻ and 4.43 photons. [1]

Editorial note: compare EMVA 1288 tables from different suppliers only for the same sensor mode and release of the standard, and ask which release the measurements follow. [3]

03

LUCID Triton 5 MP sensor, frame rate, interface and protection

Published data below are for one camera; ask other suppliers for the same items.

04

Sensor, lens mount, GigE interface, I/O and housing of a machine vision camera

05

Resolution, frame rate, pixel size, mount and interface on the camera order

06

Send the inspection task and station limits together

Paste it into your enquiry below or into an email to a maker, then replace every bracket.

Task: [inspection; measurement; guidance]
Field of view: [mm]
Smallest feature: [mm]
Speed: [parts per minute; exposure limit]
Optics: [working distance; lens]
Interface: [GigE; PoE; cable length]
Environment: [temperature; IP]
Data: [EMVA 1288 report]

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