VBOX 3iSL User's Guide download pdf (Page 25)

VBOX 3iSL User Guide

Page 25 of 53

11/04/2012

Analogue inputs (A In)

a VBOX 3iSL contains four differential 24bit analogue input channels with a maximum sample rate of 100Hz. Each channel has its own dedicated analogue to digital

(A/D) converter with all four channels being sampled synchronously to each other. The voltage range of the input channels is ±50volts. Note that unlike the ADC03

module, the analogue channels in a VBOX 3iSL are not electrically isolated from each other.

The analogue input connector also contains voltage outputs that can be used to power external sensors. These are a Vbatt connection which is equal to the VBOX

input voltage level and a DC isolated 5 V Out connection which is equal to 5V ±2%. Both Vbatt and 5V Out connections are internally protected by 100mA thermal

fuses. For connector pin configuration see page 16. A screw-terminal connector block is available as an option for easy connection of signal pins.

NOTE: The 5V regulated output on pin16 is only good for VBOX power supply voltages >8.5V

Note: A 25W D-sub to 4W BNC adaptor

block is available through your VBOX

distributor, part number RLVBACS054

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VBOX 3iSL User's Guide Page 25

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