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National Instruments GPIB-232 manual available for free PDF download: User Manual
National Instruments GPIB-232 User Manual (214 pages)
Brand:
National Instruments
| Category:
Controller
| Size: 1.5 MB
Table of Contents
Table of Contents
6
About this Manual
13
Conventions
13
Related Documentation
14
Chapter 1 Hardware Overview
15
What You Need to Get Started
15
GPIB-232CT-A Hardware Overview
16
GPIB-485CT-A Hardware Overview
16
AC Version Front Panel
17
Top Panel
17
Appendix E
17
Appendix F
17
Appendix G
17
Appendix H
17
Appendix I
17
Appendix J
17
Figure 1-1. the AC Version Front Panel
17
Figure 1-2. the Top Panel
17
Rear Panel
18
Figure 1-3. the DC Version Rear Panel
18
Table 1-1. LED Descriptions
18
Side Panels
19
Figure 1-4. the AC Version Rear Panel
19
Figure 1-5. Location of the Connectors and the DC Power Jack
19
Figure 1-6. the RS-232 Connector and Signal Designations
20
RS-232 Connector
20
Figure 1-7. the RS-485 Connector and Signal Designations
21
Figure 1-8. the GPIB Connector and Signal Designations
22
GPIB Connector
22
Chapter 2 Operating in S Mode and G Mode
23
Choosing between S Mode and G Mode
23
Operating in S Mode
23
Operating in G Mode
24
Figure 2-1. Example of S Mode System Setup
24
Data Buffering and Handshaking Schemes
25
Figure 2-2. Example of G Mode System Setup
25
Hardware Handshaking
26
XON/XOFF Software Handshaking
26
Chapter 3 Installing and Configuring Your Controller
28
Check the Hardware Configuration
28
Connect the Hardware
29
Step 1. Power off Your System
29
Step 2. Verify that You Have a Null-Modem Serial Cable
29
Step 3. Connect the Cables
29
Table 3-1. National Instruments Null-Modem Serial Cables
29
Step 4. Power on Your System and the GPIB-232/485CT-A
30
Configure the Hardware
30
Changing the S Mode Characteristics
30
Figure 3-1. Default Setting (S Mode) for DIP Switch
31
Table 3-2. S Mode Switch Settings for Serial Port Baud Rate
31
Sample Switch Settings for S Mode
32
IBM PC or Compatibles
32
Table 3-3. S Mode Switch Settings for Data Formatting Characteristics
32
Other Systems
33
Figure 3-2. Switch Settings to Match IBM PC Defaults
33
Figure 3-3. Sample Switch Settings with an IBM PC or Compatible
33
Changing the G Mode Characteristics
34
Choosing GPIB Addresses for G Mode
34
Chapter 6 Programming in G Mode
34
Table 3-4. GPIB Address Switch Settings for G Mode
35
Chapter 4 Programming in S Mode
37
Choosing Your S Mode Programming Method
37
Status Information and Error Handling Characteristics
37
Programming Considerations
38
Programming Messages
38
Programming Message Format
38
Programming Message Example 1
39
Programming Message Example 2
39
Programming Message Example with Data String
39
How Messages Are Processed
40
Function Arguments
40
Abbreviations for Arguments
40
GPIB Address
40
Lists of GPIB Addresses
41
Numeric String Arguments
41
GPIB Read and Write Termination Methods (END and EOS)
41
Function Names
42
S Mode Default Settings and Related Functions
42
List of S Mode Functions by Group
43
GPIB Functions
43
Serial Port Functions
45
General Use Functions
45
Alphabetical List of S Mode Functions
45
Chapter 5 S Mode Functions
48
Cac
49
Caddr
51
Clr
53
CMD
54
Chapter 7 G Mode Functions
58
Echo
58
Table 5-1. Data Transfer Termination Methods in S Mode
59
Spign
88
Stat
91
Table 5-2. S Mode GPIB Status Conditions Returned by Stat
92
Table 5-3. S Mode GPIB Error Conditions Returned by Stat
93
Wait
99
Table 5-5. Wait Mask Values
100
Address of the GPIB-232/485CT-A
109
Address of the Serial Device
109
Addressing the GPIB-232/485CT-A and Serial Device
109
Addressing the GPIB-232/485CT-A and Serial Device as Listeners
109
Addressing the GPIB-232/485CT-A and Serial Device as Talkers
110
GPIB Read and Write Termination Methods (END and EOS)
111
Serial Port Transmission
112
Service Request Conditions
113
Take Control (TCT)
114
G Mode Default Settings and Related Functions
115
GPIB Functions
116
Echo
119
Table 7-1. Data Transfer Termination Methods in G Mode
121
Spign
125
Spset
126
Srqen
128
Appendix A
130
Appendix B
130
Appendix C
130
Stat
130
Table 7-3. G Mode GPIB-232/485CT-A Conditions Returned by Stat
131
Table 7-4. G Mode GPIB Error Conditions Returned by Stat
132
Table A-1. IEEE 488 Capability Codes for the GPIB-232/485CT-A
139
Table B-1. Multiline Interface Messages
141
Table D-1. RS-232 Serial Port Signal Configuration
153
Figure D-1. Straight-Through Cabling in a DTE-To-DCE Interface
154
Null-Modem Cabling in a DTE-To-DCE Interface
154
Figure D-3. Location of the RS-232 Connector
155
Figure D-4. Cable Configuration for 9-Pin DTE to 9-Pin DCE with Handshaking
156
Cable Configuration for 9-Pin DTE to 25-Pin DCE with Handshaking
156
Figure D-6. Minimum Configuration for 9-Pin DTE to 9-Pin DCE
157
Minimum Configuration for 9-Pin DTE to 25-Pin DCE
157
Table D-3. Cable Wiring Scheme for GPIB-232CT-A DTE to Serial Device DTE
158
Figure D-8. Cable Configuration for 9-Pin DTE to 9-Pin DTE with Handshaking
159
Cable Configuration for 9-Pin DTE to 25-Pin DTE with Handshaking
159
Figure D-10. Minimum Configuration for 9-Pin DTE to 9-Pin DTE
160
Figure E-1. Male DB-9 Connector Pin Locations
163
Table E-1. RS-485 Serial Port Signal Configuration
164
Figure E-2. Point-To-Point Network Using Terminating Resistors
166
Figure F-1. GPIB Connector Signals and Lines
170
Figure F-2. Linear Configuration of GPIB Devices
172
Figure F-3. Star Configuration of GPIB Devices
173
Parallel Poll Message (PPE or PPD) Bits
178
Figure H-2. Sample PPE Message Bits
179
Figure H-3. Parallel Polling Setup Example 1
182
Figure H-4. Parallel Polling Setup Example 2
184
Figure I-1. Sample Switch Settings for a Terminal and HP Plotter
186
Figure I-2. Sample Switch Settings for an IBM PC and HP Plotter
189
Figure I-3. Sample Switch Settings for an HP Serial Plotter
191
Figure I-4. Sample Switch Settings for an IBM PC and Serial Printer
194
Germany 089 741 31 30, Greece 30 1 42 96 427, Hong Kong 2645 3186, India
198
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