2 SYSTEM CONFIGURATION AND AVAILABLE FUNCTIONS
(2)Correspondence between the data communication functions and system configurations
The following shows system configurations that can use the data communication functions of the Q series C24.
The manual names shown in the reference section column in the table below are as follows:
• Application
Q Corresponding Serial Communication Module User's Manual (Application)
• Reference
Q Corresponding MELSEC Communication Protocol Reference Manual
(a) Communication using the MC protocol | ( |
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Functions of the Q series C24 | System configuration |
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PLC CPU device memory read/write |
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Intelligent function module buffer memory read/write |
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| Section 3.5 |
Sequence program read/write |
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| Reference | Section 3.8 | |||||
PLC CPU status control (remote RUN, STOP, etc.) |
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| Section 3.6 |
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| Application | Chapter 10 | ||||||
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Global function |
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| Section 3.10 |
Accessing the PLC of other stations in the MELSECNET/H, |
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| Reference | Section 2.7 | |||||
MELSECNET/10 |
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PLC CPU monitoring function |
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| Application | Chapter 2 | |||||
(b) Communication using the non procedure protocol |
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Functions of the Q series C24 | System configuration |
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Data transmission/receiving in arbitrary format |
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Data transmission/receiving with user frames |
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| Chapter 11 |
PLC CPU monitoring function |
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| Application | Chapter 2 | |||||
Reading received data using interrupt programs |
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Sending/receiving ASCII data using |
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(c) Communication using the bidirectional protocol |
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Functions of the Q series C24 | System configuration |
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Data transmission/receiving |
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| This manual | Chapter 7 | |||||
Reading received data using interrupt programs |
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| Application | Chapter 4 | |||||
Sending/receiving ASCII data using |
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In general, if data communication is performed using a system configuration of other than 1:1 connection mode, the following points should be well noted.
•Avoid simultaneous transmission.
•Discard data received other than that addressed to the local station.
2 - 5 | 2 - 5 |