Install User guide

B: Specifications

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Function Input/Output Description

Continuous

Strobe

Output

TTL output signal used to pulse a strobe – Divided down from the

master clock signal

SPI Chip

Select

Output

SPI Chip/Device Select signal for communication to other SPI

peripherals

22 GPIO (6) Input/Output

General purpose software-programmable, digital input/output

(channel number)

23 N/A N/A Reserved

24 N/A N/A Reserved

Lamp

Enable

Output

TTL signal driven Active HIGH when the Lamp Enable command is

sent to the spectrometer

26 GPIO (7) Input/Output

General purpose software-programmable, digital input/output

(channel number)

27 Ground Input/Output Ground

28 GPIO (8) Input/Output

General purpose software-programmable, digital input/output

(channel number)

29 Ground Input/Output Ground

30 GPIO (9) Input/Output

General purpose software-programmable, digital input/output

(channel number)

30-Pin J2 Accessory Connector - Part Numbers

The part numbers for the 30-pin accessory connector on the NIRQuest Spectrometer are as follows:

• The connector is Pak50™ model from 3M Corp. Headed Connector – Part Number

P50–030P1–RR1–TG.

• The mating connector is Part Number P50–030S–TGF.

• Mating the two components requires two 1.27 mm (50 mil) flat ribbon cables (3M 3365 Series is

recommended).