Omega OMB-DAQ-2416_4AO Functional Details, OMB-DAQ-2416-4AOcomponents

Chapter 3

Functional Details

This chapter contains detailed information on all of the features available from the board, including:

Device components

Functional block diagram and mechanical drawings

Signal descriptions

Signal diagrams using default or conventional device settings

OMB-DAQ-2416-4AO components

These OMB-DAQ-2416-4AO components are shown in Figure 6 and Figure 7.

One USB connector

One external power connector

Two LED indicators ("Power" and "Activity")

One 37-pin DSUB expansion connector

Six removable screw terminal blocks

Analog/TC input screw terminal blocks

·CH 0 – CH 7 differential

·CH 0 – CH 7, CH 16 - CH 23 SE

Analog output and counter screw terminal blocks

Power		External power
		connector
LED
	Activity	USB
		connector
	LED

Figure 6. Front view components

Digital I/O screw terminal blocks

Analog/TC input screw terminal blocks

·CH 8 - CH 15 differential

·CH 8 - CH 31 single-ended

Figure 7. Rear view components

37-pin

expansion connector

13

Contents

Page Page Table of Contents Page About this User's Guide What you will learn from this user's guide Conventions used in this user's guide Where to find more information Introducing the OMB-DAQ-2416-4AO Overview: OMB-DAQ-2416-4AOfeatures Software features Installing the OMB-DAQ-2416-4AO What comes with your OMB-DAQ-2416-4AOshipment Hardware Optional components Additional documentation Unpacking the OMB-DAQ-2416-4AO Installing the software Installing the hardware Connecting to an OMB-AI-EXP32with the DSUB37 expansion connector Configuring the hardware Connecting the board for I/O operations Connectors, cables – main I/O connector Screw terminal pin out – differential Screw terminal pin out – single-ended Functional Details OMB-DAQ-2416-4AOcomponents LEDs USB connector External power connector Screw terminal wiring Mechanical drawings Block diagram Analog/TC input terminals Analog input mode Thermocouple inputs Noise filtering, data rate, and throughput rate Multiple-channelthroughput rates Input isolation Analog output terminals (VDAC0 through VDAC3) Digital I/O Internal pull-up/pull-downcapability External pull-up/pull-downcapability Counter input terminals (CTR0, CTR1) Calibrating the OMB-DAQ-2416-4AO Calibration methods Factory calibration Self calibration Specifications Analog input Channel configurations Compatible sensors Accuracy Thermocouple measurement accuracy Page Page Page Page Page Page Page Page Analog input DC voltage measurement accuracy Page Input bandwidth Noise performance Channel switching error Throughput rate Analog voltage output Analog input/output calibration Digital input/output Counter Memory Microcontroller Power USB specifications Environmental Mechanical Screw terminal connector type and pin-out Screw terminal pin out Page Page Optional OMB-AI-EXP32expansion module Page OMB-AI-EXP32screw terminal pin out Page OMB-DAQ-2416-4AOscrew terminal pin out (with OMB-AI-EXP32attached)