
ADAM-4000 Series User Manual
124
4021
6.1.7
$AA6
Name
Last Value Readback command
Description
The analog output module is instructed to return the latest
output value that it has received from the Analog Data Out
command. If the module hasn’t received any Analog Data
Out commands since startup, it will return to its Start-up Output value.
Syntax
$AA6(cr)
$
is a delimiter character.
AA
(range 00-FF) represents the 2-character hexadecimal
address whose value you want to return.
6
is the Last Value Readback command.
(cr)
is the terminating character, carriage return (0Dh).
Response !AA(data)(cr)
if the command was valid.
?AA(cr) i
f an invalid command was issued.
There is no response if the module detects a syntax or
communication error, or even if the specified address does not exist.
!
delimiter character indicates that a valid command was received.
?
delimiter character indicates that the command was invalid.
AA
(range 00-FF) represents the 2-character hexadecimal
address of the analog output module.
(data)
is the value that is returned by the analog output
module. The format of the data depends on the module’s
configured data format.
(cr)
is the terminating character, carriage return (0Dh).
Example
command: $0A6(cr)
response: !0A03.000(cr)
The command requests the analog output module at address
0Ah to return the last output value that it has received from
an Analog Out command.
The analog output module returns the value 3.000 mA.
Содержание Adam - 4021
Страница 1: ...User Manual ADAM 4000 Series Data Acquisition Modules...
Страница 4: ...ADAM 4000 Series User Manual iv...
Страница 12: ...ADAM 4000 Series User Manual xii...
Страница 13: ...Chapter 1 1 Introduction...
Страница 16: ...ADAM 4000 Series User Manual 4...
Страница 17: ...Chapter 2 2 Installation Guideline...
Страница 33: ...Chapter 3 3 I O Modules...
Страница 36: ...ADAM 4000 Series User Manual 24 3 2 1 Application Wiring Figure 3 2 ADAM 4015 RTD Input Module Wiring Diagram...
Страница 78: ...ADAM 4000 Series User Manual 66...
Страница 79: ...Chapter 4 4 Command Set...
Страница 99: ...87 ADAM 4000 Series User Manual Chapter 4 Command Set...
Страница 100: ...ADAM 4000 Series User Manual 88...
Страница 101: ...Chapter 5 5 Analog Input Module Commands...
Страница 127: ...Chapter 6 6 Analog Output Module Commands...
Страница 144: ...ADAM 4000 Series User Manual 132...
Страница 145: ...Chapter 7 7 I O Relay Counter Frequency...
Страница 201: ...Chapter 8 8 Calibration...
Страница 206: ...ADAM 4000 Series User Manual 194...
Страница 207: ...Appendix A A Technical Specifications...
Страница 211: ...199 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 2 ADAM 4018 Function Diagram...
Страница 213: ...201 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 3 ADAM 4019 Function Diagram...
Страница 215: ...203 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 4 ADAM 4021 Function Diagram...
Страница 216: ...ADAM 4000 Series User Manual 204 Figure A 5 ADAM 4024 Function Diagram...
Страница 219: ...207 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 7 ADAM 4051 4052 Function Diagram...
Страница 221: ...209 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 8 ADAM 4053 Function Diagram...
Страница 223: ...211 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 9 ADAM 4055 Function Diagram...
Страница 225: ...213 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 10 ADAM 4056S Function Diagram...
Страница 227: ...215 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 11 ADAM 4056SO Function Diagram...
Страница 229: ...217 ADAM 4000 Series User Manual Appendix A Technical Specifications Figure A 12 ADAM 4060 Function Diagram...
Страница 232: ...ADAM 4000 Series User Manual 220 Figure A 14 ADAM 4080 Function Diagram...
Страница 233: ...Appendix B B Data Formats and I O Ranges...
Страница 244: ...ADAM 4000 Series User Manual 232...
Страница 245: ...Appendix C C Technical Diagrams...
Страница 246: ...ADAM 4000 Series User Manual 234 C 1 ADAM Dimensions Figure C 1 ADAM Modules Dimensions...
Страница 248: ...ADAM 4000 Series User Manual 236 Figure C 3 DIN Rail Mounting...
Страница 250: ...ADAM 4000 Series User Manual 238 C 2 3 Piggyback Stack Figure C 6 Piggyback Stack...
Страница 251: ...Appendix D D Utility Software...
Страница 258: ...ADAM 4000 Series User Manual 246...
Страница 259: ...Appendix E E RS 485 Network...
Страница 264: ...ADAM 4000 Series User Manual 252...
Страница 265: ...Appendix F F Using the Checksum Feature...
Страница 268: ...ADAM 4000 Series User Manual 256...
Страница 269: ...Appendix G G I O Modbus Mapping Table...
Страница 283: ...Appendix H H Changing to Modbus Protocol...
Страница 285: ...273 ADAM 4000 Series User Manual Appendix H Changing to Modbus Protocol...