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7-35
D
Creating a Message
•
The message can be created according to the communications specifications of the general-purpose
peripheral device (Inverter) as a counterpart.
•
A DSR message can include variables to set data in the I/O memory (such as data memory) of the
CPU Unit or write response data to the I/O memory.
•
Each component of a message is in the memory of the Communications Board. Therefore, the CPU
Unit can just execute the PMCR instruction to send or receive the data. Therefore, there is no need to
write ladder programs for the communications protocol.
CPU Unit
PMCR
instruction
Communications
Board
DSR message
Reception
Response
Send
3G3MV
D
Step to Send and Receive Messages
•
Sending and receiving messages as a single step includes step-type commands, such as Send, Recv,
Send & Recv, and Wait commands.
•
The step can be finished or switched to another step according to the result of the step.
CPU Unit
PMCR
instruction
Communications
Board
Next process
according to
the result.
3G3MV
Step 0
To step n according to the
result.
H
Configuration of Protocol Macro Function
•
The protocol consists of one or more sequences.
A sequence is an independent set of actions to perform together with a general-purpose peripheral
device, such as an Inverter. The RUN command and the frequency reference are given to the Inverter
and the status of the Inverter is read in a single sequence, for example.
•
A sequence consists of one or more steps.
Communications
Chapter 7
Содержание SYSDRIVE 3G3MV-A2001
Страница 1: ...Cat No I527 E1 04 USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter...
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Страница 3: ...USER S MANUAL Multi function Compact Inverter SYSDRIVE 3G3MVSERIES...
Страница 18: ......
Страница 23: ...Chapter 1 Overview 1 1 Functions 1 2 Nomenclature 1 3 New Features 1...
Страница 32: ......
Страница 33: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
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Страница 75: ...Chapter 3 Preparing for Operation and Monitoring 3 1 Nomenclature 3 2 Parameter Copy and Verify Function 3...
Страница 93: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
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Страница 269: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Страница 293: ...9 25 D 3G3MV PRS2030V PRS3020V Four M4 holes for Inverter mounting use Three 5 dia holes Specifications Chapter 9...
Страница 294: ...9 26 D 3G3MV PRS2050V Four M5 holes for Inverter mounting use Three 6 dia holes Specifications Chapter 9...
Страница 297: ...9 29 D 3G3MV PRS1040V Three 5 dia holes Four M4 holes for Inverter mounting use Specifications Chapter 9...
Страница 303: ...Chapter 10 List of Parameters 10...
Страница 337: ...Chapter 11 Using the Inverter for a Motor 11...
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Страница 344: ...I527 E1 04...