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8.3 Terminal Specifications
8.3.1 Terminal Functions
For details about the main and control circuit terminals, refer to Chapter 2, Subsection 2.3.4 and Subsection 2.3.6
(Table 2.4), respectively.
8.3.2 Connection Diagram for Operation by External Signal Inputs
Note 1: Install a recommended molded case circuit breaker or a ground fault circuit interrupter (GFCI) in the primary
circuit of the drive to protect wiring. At this time, ensure that the circuit breaker rating is equivalent to or lower than
the recommended rating.
Note 2: If magnetic contactors or solenoids are near the drive, connect a surge suppressor across their coils.
Note 3: When connecting a dc reactor (option), remove the jumper bar from across terminals [P1] and [P+].
Note 4: The (THR) function can be used by assigning code “9” (Alarm from external equipment) to any of terminals
[X1] to [X3], [FWD] or [REV] (function code; E01 to E03, E98, or E99). For details, refer to Chapter 9.
Note 5: Frequency can be set by connecting a frequency command device (external potentiometer) between the
terminals [11] and [13] instead of inputting voltage signal (0 to +10 Vdc or 0 to +5 Vdc) between the terminals [12]
and [11].
Note 6: Use shielded or twisted wires for control circuit wiring. When using shielded wires, connect the shields to
G. To prevent malfunction due to noise, keep the control circuit wiring as far away from the main circuit wiring as
possible (10 cm or farther recommended), and never install them in the same wire duct. When control circuit wiring
must cross the main power circuit wiring, position the cables at right angles.
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Содержание Fuji Electric MICRO-SAVER AF-300
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