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CONTENTS
CONTENTS
1. WIRING 1
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