Table Of Contents - Mitsubishi Electric 800 Series Instruction Manual

Rs-485 interface board, rs-485 communication terminals

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Instruction manual (727 pages)

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Table Of Contents

Table of Contents

1 PRE-OPERATION INSTRUCTIONS

1.1

Unpacking and product confirmation............................................................................................................................6

1.1.1

Product confirmation ............................................................................................................................................................. 6

1.1.2

Component names................................................................................................................................................................ 7

1.1.3

Terminal layout ..................................................................................................................................................................... 8

1.1.4

Terminal connection diagrams .............................................................................................................................................. 9

1.1.5

Terminal specifications ......................................................................................................................................................... 9

2 INSTALLATION

2.1

Pre-installation instructions .........................................................................................................................................10

2.2

Installation procedure ...................................................................................................................................................10

3 WIRING AND CONFIGURATION

3.1

Connection of RS-485 terminals and wires.................................................................................................................12

3.2

System configuration of RS-485 terminals .................................................................................................................12

3.3

How to wire RS-485 terminals ......................................................................................................................................14

3.4

Two-wire type connection.............................................................................................................................................15

4 PARAMETER

4.1

Operation mode setting ................................................................................................................................................16

4.1.1

Operation mode switching and communication startup mode (Pr.79, Pr.340).................................................................... 16

4.2

Start command source and frequency command source during communication operation ................................19

4.2.1

Selection of command source in Network operation mode (Pr.550)................................................................................... 21

4.2.2

Selection of the command source of the PU operation mode (Pr.551)............................................................................... 21

4.2.3

Controllability through communication via the RS-485 terminals........................................................................................ 24

4.2.4

Operation at fault ................................................................................................................................................................ 26

4.3

Initial setting of operation via communication ...........................................................................................................27

4.3.1

Setting the communication protocol (Pr.549) ...................................................................................................................... 28

4.3.2

Communication EEPROM write selection (Pr.342)............................................................................................................. 28

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