Mitsubishi Electronics FR-S500 Standard connection diagram and terminal specifications

CONTENTS

1. WIRING 1

1.1Standard 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

1.4.2Connection 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

1.5.1Multi-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

CONTENTS

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