1 HG2J-7U
1-12
MICRO/I Hardware Manual
1.8 Wiring
●
Power Supply Terminal
• Pin assignment is shown in the following table.
• Use applicable cables for wiring and recommended ferrules (made by IDEC, Phoenix Contact or Weidmüller) as
follows.
●
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.)
• 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.
• 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 12V/24V DC
-
Power supply 0V (0V)
Functional Earth (FE)
Applicable cable
AWG14 to 28
Conductor Type
Solid wire or Stranded wire
Wire Strip Length
7 to 9 mm
Recommended ferrule
ST3L-H025-12WJ
S3TL-H034-12WT
S3TL-H05-14WA
S3TL-H075-14WW
(IDEC)
AI 0,25-8YE
AI 0,34-8TQ
AI 0,5-8WH
AI 0,75-8GY
(Phoenix Contact)
H0,25/12 HBL
H0,34/12 TK
H0,5/14 OR
H0,75/14 W
(Weidmüller)
*1 Strip the sheath of the wire 7 to 9 mm from the end.
7 to 9 mm
Power Supply Terminal
Serial Interface (COM)
OK
NG
OK
NG
Pusher
(Push button for removal)
