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Wiring Precautions - Mitsubishi Electric FR-F820-00046 Installation Manuallines

Fr-f800 series.
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WIRING
(3) Insert the wires into a socket.
Wire removal
Pull the wire while pushing the open/close button all the way down firmly with a flathead screwdriver.
CAUTION
When using stranded wires without a blade terminal, twist enough to avoid short circuit with a nearby terminals or wires.
During wiring, pulling out the wire forcefully without pushing the open/close button all the way down may damage the
terminal block.
Use a small flathead screwdriver (tip thickness: 0.4 mm, tip width: 2.5 mm). If a flathead screwdriver with a narrow tip is
used, terminal block may be damaged. Commercially available products (as of February 2016).
Name
Model
Driver
SZF 0- 0,4 x 2,5
Place the flathead screwdriver vertical to the open/close button. In case the blade tip slips, it may cause an inverter
damage or injury.

2.4.3 Wiring precautions

It is recommended to use the cables of 0.3 to 0.75mm² gauge for connection to the control circuit terminals.
The wiring length should be 30m (200m for the terminal FM) maximum.
Use two or more parallel micro-signal contacts or twin
contacts to prevent a contact faults when using contact
inputs since the control circuit input signals are micro-
currents.
To suppress EMI, use shielded or twisted cables for the
control circuit terminals and run them away from the main
and power circuits (including the 200V relay sequence
circuit). For the cables connected to the control circuit
terminals, connect their shields to the common terminal
of the connected control circuit terminal. When connecting an external power supply to the terminal PC, however,
connect the shield of the power supply cable to the negative side of the external power supply. Do not directly earth the
shield to the enclosure, etc.
Always apply a voltage to the alarm output terminals (A1, B1, C1, A2, B2, C2) via a relay coil, lamp, etc.
20
When using a single wire or stranded wires without a blade terminal, push
the open/close button all the way down with a flathead screwdriver, and
insert the wire.
Open/close button
Flathead screwdriver
Manufacturer
Phoenix Contact Co., Ltd.
Open/close button
Flathead screwdriver
Micro signal contacts
Twin contacts

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