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DM5210
rtd DM5210 Manuals
Manuals and User Guides for rtd DM5210. We have
1
rtd DM5210 manual available for free PDF download: User Manual
rtd DM5210 User Manual (79 pages)
Brand:
rtd
| Category:
Control Unit
| Size: 3 MB
Table of Contents
Table of Contents
6
List of Illustrations
8
Introduction
10
Analog-To-Digital Conversion
12
8254 Timer/Counter
12
Digital I/O
12
What Comes with Your Module
12
Module Accessories
13
Application Software and Drivers
13
Hardware Accessories
13
Optional Configurations
13
Using this Manual
13
When You Need Help
13
Chapter 1 Module Settings
14
Factory-Configured Switch and Jumper Settings
16
Module Layout Showing Factory-Configured Settings
16
P3 - Interrupt Channel Select (Factory Setting: Interrupt Channels Disabled; G Connected)
17
Interrupt Channel Jumper, P3
17
Pulling down the Interrupt Request Line
17
P4 - 8254 Timer/Counter Clock Sources (Factory Settings: CLK0-OSC, CLK1-OT0, CLK2-OT1)
18
P5 - Analog Input Voltage Range (Factory Setting: 10V)
19
P6 - Analog Input Voltage Polarity (Factory Setting: +/- (Bipolar))
19
P7 - Interrupt Source (Factory Setting: OT2)
19
P8 - 8255 Port B, Bits 4-7 Pads (Factory Setting: no Connections)
19
Analog Input Voltage Range and Polarity, P5 and P6
19
Interrupt Source Jumper, P7
19
Port B, Bits 4-7 Pads, P8
19
S1 - Base Address (Factory Setting: 300 Hex (768 Decimal))
20
Base Address Switch, S1
20
Pull-Up/Pull-Down Resistors on Digital I/O Lines
21
Pull-Up/Pull-Down Resistors for the 8255
21
Gx, Resistor Configurable Gain
22
Adding Pull-Ups and Pull-Downs to Digital I/O Lines
22
Gain Circuitry and Formulas for Calculating Gx and F
23
Diagram for Removal of Solder Short
23
Chapter 2 Module Installation
24
Module Installation
26
External I/O Connections
26
Connecting the Analog Inputs
27
Connecting the Timer/Counters and Digital I/O
27
Running the 5210DIAG Diagnostics Program
27
P2 I/O Connector Pin Assignments
27
Analog Input Connections
28
Chapter 3 Hardware Description
30
A/D Conversion Circuitry
32
Analog Inputs
32
A/D Converter
32
DM210/DM5210 Block Diagram
32
Timer/Counters
33
Digital I/O, Programmable Peripheral Interface
33
Interrupts
33
Chapter 4 Module Operation and Programming
34
Defining the I/O Map
36
BA + 0: PPI Port a - Digital I/O (Read/Write)
36
BA + 1: PPI Port B - Channel Select (Read/Write)
36
BA + 2: PPI Port C - Digital I/O (Read/Write)
37
BA + 3: 8255 PPI Control Word (Write Only)
37
BA + 4: 8254 Timer/Counter 0 (Read/Write)
39
BA + 5: 8254 Timer/Counter 1 (Read/Write)
39
BA + 6: 8254 Timer/Counter 2 (Read/Write)
39
BA + 7: 8254 Control Word (Write Only)
39
BA + 8: Read MSB Data/Start 12-Bit Conversion (Read/Write)
40
BA + 9: Read LSB Data/Start 8-Bit Conversion (Read/Write)
40
BA + 10: Read Status/Clear IRQ (Read/Write)
40
BA + 11: IRQ Enable (Write Only)
40
Programming the DM210/DM5210
41
Clearing and Setting Bits in a Port
41
A/D Conversions
43
Initializing the 8255 PPI
43
Selecting a Channel
43
Enabling and Disabling Interrupts
43
Starting an A/D Conversion
43
Channel Scanning
43
Monitoring Conversion Status
44
Reading the Converted Data
44
A/D Conversion Timing Diagram
44
Interrupts
45
What Is an Interrupt
45
Interrupt Request Lines
45
8259 Programmable Interrupt Controller
46
Interrupt Mask Register (IMR)
46
End-Of-Interrupt (EOI) Command
46
What Exactly Happens When an Interrupt Occurs
46
Using Interrupts in Your Programs
46
Writing an Interrupt Service Routine (ISR)
46
Saving the Startup Interrupt Mask Register (IMR) and Interrupt Vector
48
Restoring the Startup IMR and Interrupt Vector
48
Common Interrupt Mistakes
48
Timer/Counters
49
Digital I/O
50
Example Programs and Flow Diagrams
51
C Programs
51
BASIC Programs
51
Flow Diagrams
51
Single Convert Flow Diagram (Figure 4-3)
52
Channel Scanning Flow Diagram (Figure 4-4)
52
Single Conversion Flow Diagram
52
Channel Scanning Flow Diagram
53
Chapter 5 Calibration
54
Required Equipment
56
Module Layout
56
A/D Calibration
57
Unipolar Calibration
57
Bipolar Calibration
58
Appendix A Dm210/Dm5210 Specifications
60
Appendix B P2 Connector Pin Assignments
64
Appendix C Component Data Sheets
68
Appendix D Warranty and Return Policy
74
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