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PCI-1720U
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Table Of Contents
Chapter 1 General Information
1.1 Introduction
1.2 Features
1.3 Applications
1.4 Specifications
1.5 Block Diagram
Chapter 2 Installation
2.1 Initial Inspection
2.2 Unpacking
2.3 Installation Instructions
Chapter 3 Jumpers and I/O Connectors
Figure 3.1: PCI-1720U Jumper Locations
3.1 Jumper Settings
3.1.1 Using Jumpers to set Current Sink Ranges
Figure 3.2: Jumper Settings for PCI-1720U’s Current Sink Range
3.1.2 Jumper JP5 Setting for the Reset State
Figure 3.3: Jumper JP5 Setting for the Reset State
3.2 Connector and Pin Assignments
Figure 3.4: PCI-1720U Pin Assignments
3.2.1 Signal Descriptions of I/O Connector
3.3 Setting the BoardID Switch (SW1)
Board ID Setting (SW1)
3.3.1 Identity Register
Identity Register of PCI-1720U
Chapter 4 Register Structure and Format
4.1 Overview
4.2 I/O Port Address Map
PCI-1720U Register Format and Function Description
4.2.1 D/A Output Channel 0 to 3
Register for D/A Data
4.2.2 D/A Voltage Range and Polarity
Register for D/A Voltage Range and Polarity
Output Range of D/A Channel n
4.2.3 Synchronized Output Prompt Register
4.2.4 Synchronized Output Control Bitt
Synchronized Output Control Bit
4.3 Unipolar and Bipolar Binary Code Tables
Unipolar Binary Code Table
Bipolar Binary Code Table
Chapter 5 Signal Connections
5.1 Overview
5.2 D/A Voltage Output Connections
Figure 5.1: Floating-load Connection for D/A Voltage Output
Figure 5.2: Grounded-load Connection for D/A Voltage Output
Figure 5.3: Differential-load Connection for D/A Voltage Output
5.3 Current Sink Connections
Figure 5.4: Grounded-load connection with a floating power supply
Figure 5.5: Floating-load connection with a grounded power supply
Figure 5.6: Floating-load Conn. with an Internal +12 VDC Power Supply
5.4 Current Sink Load and Power Supply
Figure 5.7: PCI-1720U Current Sink Circuitry
Appendix A Calibration
A.1 Overview
Figure A.1: PCI-1720U VR assignment
A.2 Unipolar Output Calibration
A.3 Bipolar Output Calibration
A.4 Current Sink Calibration
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Chapter 3
3.3.1 Identity Register
Y
ou can determine the identity in the register as shown in the table below
.
Note:
ID0: The least significant bit (LSB) of id
entifier
ID3: The most significan
t bit (MSB) of identifier
T
able 3.2: Identity Register of PCI-1720U
Base+20
3
210
Abbreviation
ID3
I
D2
ID1
ID0
1
...
...
19
20
21
22
23
...
...
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