Board Components; Usb Connector; Led; Header Connectors - Measurement Computing USB-1408FS-Plus-OEM User Manual

USB-1408FS-Plus-OEM User's Guide

Board components

The board components – header connectors, LED, and USB connector – are shown in Figure 2.
1
2

USB connector

Receives the supplied USB cable. When connected to a computer or USB hub, the cable provides power and
communication. No external power supply is required.

LED

The following table lists the behavior of the device LED.
LED state
Steady green
Blinks continuously

Header connectors

The header connectors provide the following connections:

Eight analog input connections (

Two analog output connections (

16 digital I/O connections (

External trigger input (

External counter input (

Bidirectional terminal for external clocking or multi-unit synchronization (
 +VO
Power output (
 AGND
Analog ground (
The differential and single-ended mode pinouts are shown in the following tables.
Header connector pins 21 to 40
LED
Figure 2. Board components
Indication
The device is connected to a computer or external USB hub.
Data is being transferred.
CH0 IN CH7 IN
to
D/A OUT 0
PortA0 Port A7
to
TRIG_IN
)
CTR
)
)
GND
) and ground ( )
3 USB connector
4 Header connector pins 1 to 20
CH0 IN HI/LO
, through
D/A OUT 1
to )
Port B0 Port B7
, and to
9
Functional Details
CH3 IN HI/LO
)
)
SYNC
)