Mitsubishi FR - S500 Instruction Manual Download Page 6

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CONT

ENTS

CONTENTS

1. WIRING

1.1

Standard connection diagram and terminal specifications ..2

1.1.1

Standard connection diagram ....................................................................... 2

1.1.2

Explanation of main circuit terminals............................................................. 3

1.2

Main circuit terminals ...............................................................6

1.2.1

Terminal block layout .................................................................................... 6

1.2.2

Cables, wiring length, and crimping terminals............................................... 8

1.2.3

Wiring instructions ......................................................................................... 9

1.2.4

Selection of peripheral devices ................................................................... 10

1.2.5

Leakage current and installation of ground leakage circuit breaker ............ 12

1.2.6

Power-off and magnetic contactor (MC)...................................................... 16

1.2.7

Regarding the installation of the power factor improving reactor ................ 17

1.2.8

Regarding noise and the installation of a noise filter................................... 18

1.2.9

Grounding precautions ................................................................................ 19

1.2.10 Power supply harmonics ............................................................................. 20
1.2.11 Inverter-driven 400V class motor ................................................................ 21

1.3

How to use the control circuit terminals ...............................22

1.3.1

Terminal block layout .................................................................................. 22

1.3.2

Wiring instructions ....................................................................................... 22

1.3.3

Changing the control logic........................................................................... 23

1.4

Input terminals.........................................................................25

1.4.1

Run (start) and stop (STF, STR, STOP) ..................................................... 25

1.4.2

Connection of frequency setting potentiometer and
output frequency meter (10, 2, 5, 4, AU) ..................................................... 28

1.4.3

External frequency selection (REX, RH, RM, RL) ....................................... 29

1.4.4

Indicator connection and adjustment (AM).................................................. 31

1.4.5

Control circuit common terminals (SD, 5, SE)............................................. 32

1.4.6

Signal inputs by contactless switches ......................................................... 32

1.5

How to use the input signals
(assigned terminals RL, RM, RH, STR)..................................33

1.5.1

Multi-speed setting (RL, RM, RH, REX signals):
Pr. 60 to Pr. 63 setting "0, 1, 2, 8"
Remote setting (RL, RM, RH signals):
Pr. 60 to Pr. 63 setting "0, 1, 2" ................................................................... 33

1.5.2

Second function selection (RT signal): Pr. 60 to Pr. 63 setting "3" ............. 33

1.5.3

Current input selection "AU signal": Pr. 60 to Pr. 63 setting "4" .................. 33