Hitachi J300 Series Instruction Manual page 26

NOTE 3: When the frequency setting signal is turned on and off with a contact, use a relay
NOTE 4: Use relays which do not have contact defects at 24 V DC, 3 mA for the other
NOTE 5: Separate the main circuit wiring from the relay control circuit wiring. If they must
NOTE 6: Do not short between the terminals H and L and between the terminals P24 and
NOTE 7: Insulate the common terminal L for frequency analog command input and the
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Connect FG (frame ground) of the inverter.
which will not cause contact malfunctions, even with the extremely weak currents
and voltages, such as crossbar twin contacts, etc.
terminals.
cross, be sure that they cross at a right angle.
Main circuit power line
(R, S, T, U, V, W, PP, P, RB, N, L1, L2, L3, T1, T2, T3, +, -, etc.)
Right angle
Signal input line
(FM, CM1, PLC, P24, FW, 8, 7, 6, 5, 4, 3, 2, 1,
H, O, OI, L, CM2, 12, 11, AL0, AL1, AL2)
Separate by 10 cm or more.
CM1 of the control circuit.
common terminal (COMMON) of the peripheral equipment such as the sequencer
before starting use.
Insulate
No grounding necessary
5-6