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1 HG2J-7U
1.8 Wiring
• Turn off the power supply before wiring.
• Make the wiring as short as possible and run all wires as far away as possible from high-voltage and large-
current cables. Follow all the procedures and precautions when wiring the HG2J-7U.
• Separate the HG2J-7U power supply wiring from the power lines of I/O devices and motor equipment.
• Ground the functional earth terminal to make sure of correct operation.
• Use the SELV (Safety Extra-Low Voltage) circuit and LIM (Limited Energy) circuit for power supply.
• Use Copper Conductors Only.
Power Supply Terminal
●
• Pin assignment is shown in the following table.
+
Power supply 12V/24V DC
-
Power supply 0V (0V)
Functional Earth (FE)
• Use applicable cables for wiring and recommended ferrules (made by IDEC, Phoenix Contact or Weidmüller) as
follows.
Applicable cable
Conductor Type
Wire Strip Length
Recommended ferrule
Caution when inserting and removing wires
●
• When connecting a wire that has not been treated with a tip, such as a stranded wire, you can connect it by
inserting the wire all the way in while pressing the pusher, and then releasing the pusher.
• When connecting wires with ferrules, connect the ferrules to the terminal block so that the long side is horizontal.
(See the figure below.)
Power Supply Terminal
OK
NG
• Do not pull out the wire without pressing the pusher. When pulling out the wire, use a flat blade screwdriver, etc.,
and pull the wire straight out while pressing the pusher with about 20 N of force.
• Be careful not to damage the push-in terminals. When pressing the pusher, do not apply more than 40N of force.
*1 Strip the sheath of the wire 7 to 9 mm from the end.
7 to 9 mm
1-12
AWG14 to 28
Solid wire or Stranded wire
*1
7 to 9 mm
ST3L-H025-12WJ
S3TL-H034-12WT
S3TL-H05-14WA
S3TL-H075-14WW
(IDEC)
Pusher
(Push button for removal)
MICRO/I Hardware Manual
AI 0,25-8YE
AI 0,34-8TQ
AI 0,5-8WH
AI 0,75-8GY
(Phoenix Contact)
Serial Interface (COM)
OK
NG
H0,25/12 HBL
H0,34/12 TK
H0,5/14 OR
H0,75/14 W
(Weidmüller)
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