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Explicit Message Communications
Section 4-7
4-7
Explicit Message Communications
4-7-1
Receiving Explicit Messages
Sending explicit messages from the Standard Master to the NE1A-series
Controller enables reading or writing any specified data or parameters of the
Controller. The Controller operates according to the command sent from the
master and returns a response.
The following example describes the I/O area read service provided by the
Controller. Refer to
Appendix 3 DeviceNet Explicit Messages
for details on the
services that are available.
NE1A-series Controller I/O Area Read
Reads the NE1A-series Controller’s local I/O or the Safety Slave I/O area allo-
cated to the Controller from the master.
Command Format
Response Format
• Normal Response to Explicit Message
• Error Response to Explicit Message
Destination Node Address (Command)
Specifies in 1-byte hexadecimal the NE1A-series Controller’s address of
the data to be read.
Service Code (Command/Response)
For commands, 4B hex is specified. For responses, the upper bit is turned
ON, and CB hex is returned.
4B
03
06
Destination node address
Class ID
Instance ID
Data
Service code
Offset
address
Data size
CB
Number of receive bytes
Read data
Originating node address
Service code
04
94
00
Number of receive bytes
Error code
Originating node Address
Service code
Содержание NE1A-SCPU01 - 07-2009
Страница 2: ...NE1A Series Safety Network Controller NE1A SCPU01 V1 SCPU02 Operation Manual Revised September 2006...
Страница 3: ...iv...
Страница 9: ...x TABLE OF CONTENTS...
Страница 11: ...xii...
Страница 15: ...xvi...
Страница 33: ...xxxiv Unit Versions of NE1A series Controllers 7 Click the OK Button This completes the procedure...
Страница 70: ...35 Installation Section 3 1 Top Top Bottom Bottom...
Страница 72: ...37 Installation Section 3 1 3 1 3 Dimensions and Weight Dimensions NE1A SCPU01 V1...
Страница 73: ...38 Installation Section 3 1 NE1A SCPU02 Weight Model Weight NE1A SCPU01 V1 460 g max NE1A SCPU02 690 g max...
Страница 85: ...50 Wiring Section 3 2...
Страница 123: ...88 Explicit Message Communications Section 4 7...
Страница 141: ...106 Safety Outputs Section 5 4...
Страница 257: ...222 Connection Status Tables Section 10 8...
Страница 258: ...223 SECTION 11 Maintenance and Inspection 11 1 Inspection 224 11 2 NE1A series Controller Replacement 225...
Страница 261: ...226 NE1A series Controller Replacement Section 11 2...
Страница 264: ...229 Appendix A Local Input and Test Output Setting Example Local Output Setting Example...
Страница 266: ...231 Appendix A Programming Example Local Input and Test Output Setting Example...
Страница 267: ...232 Appendix A Local Output Setting Example...
Страница 269: ...234 Appendix A Programming Example Local Input and Test Output Setting Example...
Страница 270: ...235 Appendix A Local Output Setting Example...
Страница 273: ...238 Appendix A Local Input and Test Output Setting Example Local Output Setting Example...
Страница 275: ...240 Appendix A Programming Example Local Input and Test Output Setting Example...
Страница 276: ...241 Appendix A Local Output Setting Example...
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Страница 293: ...258 Index...