National Instruments BNC-2120, Руководство по установке

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INSTALLATION GUIDE
BNC-2120
Connector Accessory for E/M/S/X Series Devices
This installation guide describes how to install, configure, and use your BNC-2120 accessory
with 68-pin or 100-pin E/M/S/X Series multifunction data acquisition (DAQ) devices. This
document also contains accessory specifications.
The BNC-2120 has the following features:
•
Eight BNC connectors for analog input (AI) connection
• Onboard temperature reference
• Thermocouple connector
• Resistor measurement screw terminals
• Two BNC connectors for analog output (AO) connection
• Screw terminals for digital I/O (DIO) connection with state indicators
• Screw terminals for timing I/O (TIO) connection
• Two user-defined BNC connectors
• A function generator with the following outputs:
–
Frequency-adjustable, TTL-compatible square wave
– Frequency- and amplitude-adjustable sine wave or triangle wave
• Quadrature encoder
• A 68-pin I/O connector that connects to multifunction DAQ devices
• Can be used on a desktop or mounted on a DIN rail
Contents
What You Need to Get Started ................................................................................................. 2
Installing the BNC-2120........................................................................................................... 2
Connecting Analog Input Signals............................................................................................. 5
Connecting Differential Analog Input Signals ................................................................. 6
Measuring Floating Signals ...................................................................................... 6
Measuring Ground-Referenced Signals.................................................................... 7
Measuring Temperature.................................................................................................... 7
Measuring Resistance ....................................................................................................... 8
Connecting Analog Output Signals .......................................................................................... 8
Using the Function Generator................................................................................................... 9
Connecting Timing I/O Signals................................................................................................ 9
Using the Quadrature Encoder ......................................................................................... 12
Connecting User-Defined Signals ............................................................................................ 13
Connecting Digital I/O Signals................................................................................................. 14
Specifications............................................................................................................................ 14