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Data Translation DT2802 manual available for free PDF download: User Manual
Data Translation
DT2802
User Manual
Data Translation DT2802 User Manual (174 pages)
Chromatography Board for the UM-10546-E IBM Personal Computer AT and Compatibles
Brand:
Data Translation
| Category:
Laboratory Equipment
| Size: 10 MB
Table of Contents
Table of Contents
8
Table of Contents
14
How to Use this Manual
18
Related Documents
19
Conventions Used in this Manual
20
Where to Get Help
20
Chapter 1 : Introduction
22
The DT2802 Board
24
System Requirements
25
Accessories
26
DT777 Screw Terminal Panel
26
DT2802 Device Driver and Subroutine Library
27
Chapter 2: Installing the DT2802
28
Unpacking
30
Installation Procedure
31
Step 1: Check the Jumper Selections
32
Step 2: Install the Board
33
Figure 1: IBM Personal Computer at -Top View
33
Figure 2: Installing the Board
34
Step 3: Connect RS232-Based Devices
36
Table 1: RS232 Signal Lines
36
Step 4: Connect the Screw Terminal Panel
37
Figure 3: Connecting a Screw Terminal Panel
37
Table 2: J1 Pin Assignments
38
Step 5: Connect the Detector(S)
39
Figure 4: Detector Connections
40
Step 6: Connect the External Devices
41
Figure 5: External Device Input Connections
41
Figure 6: Output Switch Connection
42
Powering up the System
43
Chapter 3: Hardware Overview
44
Overview
46
Figure 7: DT2802-4 Functional Block Diagram
47
Data Acquisition Subsystem
50
Figure 8: Data Acquisition Subsystem (DT2802-4)
50
Table 3: Digital Output Codes
51
Input Characteristics
52
Table 4: Resolution Vs. LSB and Nv-Sec
53
Table 5: Resolution Vs. Sampling Rate (Single Channel)
54
VFC Operation
55
Table 6: VFC Settling Time
55
Table 7: Resolution Vs. Throughput (Automux Mode)
56
DT2802 Microprocessor
57
Figure 9: DT2802 Microprocessor
57
Inputs and Outputs
59
Inputs
59
Output Switches
59
Serial Port
60
Bus Interface
61
Table 8: DT2802 Registers
61
Status Register
63
Figure 10: Status Register Bit Functions
63
Figure 11: Event/Interrupt Source Mask
65
Command Register
66
Figure 12: Command Register Bit Functions
66
Data out Register
67
Figure 13: Data out Register Bit Functions
67
Data in Register
68
Figure 14: Data in Register Bit Functions
68
Chapter 4: Firmware
70
Overview
72
Powerup/Reset
72
Command Processing
73
DT2802 System Operation
74
Integrators
74
Table 9: Resolution Vs. Throughput
76
Table 10: Resolution Vs. Conversion Time
77
Table 11: Resolution Vs. Sampling Rate (Single Channel)
78
Table 12: Resolution Vs. LSB and Nv-Sec
80
Output Switches
84
Switch Inputs
84
Serial 1/0
86
Event/Interrupt Control
89
Table 13: Acknowledging Events/Interrupts
90
Data Management
91
Command Summary
92
Command Structure
93
To Send a Command
94
To Read Data from the DT2802
95
Firmware Commands
96
System Operation
97
Integrator Configuration/Operation
101
Switch Configurations
119
Figure 15: Set Switch States Simultaneously Byte
124
Figure 16
125
Figure 17: Input State Byte
127
Serial Port Configuration/Operation
128
Event/Interrupt Control
136
Figure 18: Event/Interrupt Source Mask
136
Data Buffer Management
140
Figure 19: Tag Byte Format
142
Other
144
Chapter 5: Programming Sequences
146
Introduction
148
Configuring the Board
149
To Restore the Factory Configuration
152
To Change the Configuration
152
Saving the Configuration to EEROM
153
Acquiring Data: Polled 1/0
154
Single Conversion Mode
154
Figure 20: Single Conversion- Polled 1/0
155
Continuous Conversion Mode
159
Figure 21: Continuous Conversions- Polled 1/0
160
Acquiring Data: Modified Polled 1/0
164
Figure 22: Continuous Conversions- Modified Polled 110
165
Acquiring Data: Interrupt Operation
171
Figure 23: Continuous Conversions -Interrupt Operation
172
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