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Wiring
3) Insert the wire into a socket.
(3) Control circuit common terminals (SD, SE)
Terminals SD and SE are common terminals for I/O signals. (Both common terminals are isolated from each other.) Do not
earth them.
Terminal SD is a common terminal for the 24V external power supply terminal (+24). The open collector circuit is isolated from
the internal control circuit by photocoupler.
Terminal SE is a common terminal for the open collector output terminal (Y0). The contact input circuit is isolated from the
internal control circuit by photocoupler.
(4) Wiring instructions
1)It is recommended to use the cables of 0.3mm
2
to 0.75mm
2
gauge for connection to the control circuit terminals.
2)The maximum wiring length should be 30m.
3)Do not short across terminals +24 and SD. It may cause a failure to the external power supply.
4)Use shielded or twisted cables for connection to the control circuit terminals and run them away from the main and power
circuits (including the 200V relay sequence circuit).
When using a single wire or a stranded wire without a blade
terminal, push an open/close button all the way down with a
flathead screwdriver, and insert the wire.
NOTE
y When using a stranded wire without a blade terminal, twist enough to avoid short circuit with a nearby terminals or
wires.
y Place the flathead screwdriver vertical to the open/close button. In case the blade tip slips, it may cause to damage of
inverter or injury.
zWire removal
Pull the wire with pushing the open/close button all the way
down firmly with a flathead screwdriver.
Flathead screwdrive
r
Open/close button
Flathead screwdrive
r
Open/close button
NOTE
y Pulling out the terminal block forcefully without
pushing the open/close button all the way down may
damage the terminal block.
y Use a small flathead screwdriver (Tip thickness:
0.4mm/tip width: 2.5mm).
If a flathead screwdriver with a narrow tip is used,
terminal block may be damaged.
Commercially available product (as of October 2008)
y Place the flathead screwdriver vertical to the open/
close button. In case the blade tip slips, it may cause
to damage of inverter or injury.
Product Model Manufacturer
Flathead
screwdriver
SZF 0- 0,4 x 2,5
Phoenix Contact
Co.,Ltd.