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Manuals and User Guides for Brainboxes AD-923. We have
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Brainboxes AD-923 manual available for free PDF download: User Manual
Brainboxes AD-923 User Manual (97 pages)
1200 Series Interface Board
Brand:
Brainboxes
| Category:
Recording Equipment
| Size: 0.39 MB
Table of Contents
The Layout of this Manual
3
Table of Contents
5
Introduction
10
Chapter 1 . Introduction to the Analogue World
11
Chapter 2 . Installation Guide
11
Chapter 3 . the AD1200 Register Map
11
Chapter 4 . Calibration
11
Chapter 5 . Technical Specification
11
The PC AD1200 Range of Cards
11
From AD1221 up to AD1200
12
Figure 1-2. AD1200 Series Options
12
DT2811 Superset
13
Introduction to Analogue
14
Figure 1-3. AD1200 Card Vs DT2811
14
Intro
15
Figure 1-4. One Bit A/D Conversion
15
Figure 1-5. Two Bit A/D Conversion
15
Figure 1-6. Three Bit A/D Conversion
16
Intro
16
Unipolar Vs Bipolar Voltage Ranges
17
Differential Vs Single Ended Signals
17
Figure 1-7. Bit Weights and Resolution
17
Intro
17
The Analogue to Digital Converter
18
Intro
18
Input Channel Selection
19
Intro
19
Programmable Gain
20
Analogue Input Ranges
20
Programmed I/O, Interrupts and DMA
21
Interrupt Driven I/O
21
DMA, Direct Memory Access
22
The Pacer Clock
22
A/D Throughput and Pipelining
23
A/D Operating Modes
25
Figure 1-8. Mode 0 & 1 Bits
25
Figure 1-9. Extended Mode Bits
26
Mode 0, Single Conversions
26
D/A Programmed I/O
29
The Analogue to Digital Converter
29
Digital I/O Ports
30
Digital Port Programmed I/O
30
Screw Terminal Board
31
Ma Current Conversion Options
32
Configuring the PC AD1200 Board
33
Introduction
33
Setting the PC AD1200 I/O Address
35
Figure 2-2. AD1210 AD1211 Card Layout
35
Figure 2-3. AD1220 AD1221 Card Layout
35
Figure 2-4A. AD1200 Factory Set DIP Switches
36
Figure 2-4B. AD1210-21 Factory Set DIP Switches
37
Figure 2-5. I/O Addresses to Avoid
37
Figure 2-6. Likely I/O Address
38
Figure 2-7A. AD1200 Base Addresses
38
Installation Guide
39
Figure 2-7B. AD1210-21 Base Addresses
40
Using more than One PC AD1200 Board
42
Interrupt Selection
42
Setting the Interrupt Jumper Block
43
Figure 2-8. the IRQ Jumper Block
44
Setting the DMA Channel Jumper Block
45
D/A Output Range Selection
46
Figure 2-9. the DMA Jumper Block
46
A/D Configuration
47
Figure 2-11. A/D Channel Input Select
48
Figure 2-12. AD1200 A/D Input Range Selection
49
Figure 2-13. AD1210 A/D Input Range Selection
50
Figure 2-14. AD1220 A/D Input Range Selection
51
Counter Timer Pinouts
52
Figure 2-15. OUT0 Via Digital Input Bit 7, Pin36
52
Installing the PC AD1200 Board in the Computer
53
Figure 2-16. Remove Cover Mounting Screws
53
Figure 2-17. Removing the PC Cover
53
Figure 2-18. Removing Blanking Cover
54
Figure 2-19. Inserting the PC AD1200 Card
54
AD1200 Backplane Signals
55
Figure 2-20. AD1200 J2 Pin Outs
55
Signal Types
56
Wiring Guidelines
58
Twisted Pair Cables
58
Shielded Cables
58
Problems
59
I/O Address Map
60
Register Types
61
Read Write Assignments
61
Power up Conditions
62
The A/D Control Status Register
62
Bit 7 A/D Done, Read Only
62
Figure 3-2. A/D Control Status Register
62
Bit 6 A/D Error, Read Only
63
Bit 5 A/D Busy, Read Only
63
Bit 4 Clear A/D Error, Write Only
63
Bit 2 Interrupt Enable, Read / Write
64
Figure 3-3. Mode 0 & 1 Bits
65
Initialising the A/D Converter
66
Figure 3-4. AD1200 Extended Mode Bits
66
Figure 3-5. AD1210-21 Extended Mode Bit
66
The A/D Gain Channel Register
67
Bits 6 & 7. Gain Select. Read / Write
67
Figure 3-6. A/D Gain Channel Register
67
Bits 0, 1, 2 & 3. Channel Select. Read / Write
68
Figure 3-7. Gain Selection
68
The A/D Converter Input Registers. Read Only
69
Figure 3-8. Channel Selection
69
Figure 3-9. ADC Low Byte Input Register
70
The DAC0 D/A Converter Output Registers
71
Figure 3-10. ADC High Byte Input Register
71
The DAC1 D/A Converter Output Registers
72
Figure 3-11. DAC0 Low Byte Output Register
72
Figure 3-12. DAC0 High Byte Output Register
72
Figure 3-13. DAC1 Low Byte Output Register
74
Figure 3-14. DAC1 High Byte Output Register
74
Figure 3-15. DIGOUT Output Register
74
Figure 3-16. DIGIN Output Register
75
Figure 3-17. TIMEREX Register
76
Figure 3-18. Pacer Clock Divisor
77
Figure 3-19. AD1200 Extended Mode Bits
79
Figure 3-20. AD1210-21 Extended Mode Bit
79
Figure 3-21. 8254 Counter Timer Register Map
80
Calibrating the Digital to Analogue Output
81
Outline
82
Equipment Required
82
DAC0 Calibration Procedure
83
DAC1 Calibration Procedure
84
Figure 4-2. DAC0 Calibration Wiring Diagram
84
Figure 4-3. DAC Calibration Values
84
Figure 4-4. DAC1 Calibration Wiring Diagram
85
Calibrating the Analogue to Digital Input
86
Outline
86
Figure 4-5. ADC Trimmer Pot Layout
86
Equipment Required
87
ADC Calibration Procedure
87
Figure 4-6. ADC Calibration Wiring Diagram
87
Figure 4-7. Unipolar ADC Calibration Values
88
Figure 4-8. Bipolar ADC Calibration Values
89
Analogue Inputs
90
Analog Outputs
91
Digital I/O
91
Pacer Clock
92
Power Consumption
92
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