IDEC High Performance Series - Manual (Page 1327)

WindO/I-NV2 User’s Manual 34-11
1 HG2G-S/-5S
34
MICRO/
I Specif
ication
s
1.8 Wiring
●
Power Supply Terminal
• Pin assignment is shown in the following table.
• Use applicable cables for wiring and recommended ferrules (made by Phoenix Contact) as follows.
●
Grounding Cautions
If you decide to use a single power supply for the HG2G-S/-5S with more than one external device, take extra
precautions. Some external devices may produce electrical noise and short circuit the entire system setup, therefore,
damaging the communication circuit of the HG2G-S/-5S and non-isolated Communication Device (i.e. PLC).
To prevent such damage, choose a proper solution depending on your system setup.
• Use a separate earth ground from the external noise source device.
• The wire for grounding should be thick and short in order to direct the noise from the noise source device to the
earth ground.
• Use a separate power supply from the external noise source device.
• Insert an isolator on the communication line of the HG2G-S/-5S and the non-isolated communication device (i.e.
PLC) to prevent damage.
●
Cautions for using the HG2G-S/-5S connected to a personal computer
When connecting the HG2G-S/-5S to a personal computer via the USB Interfaces, the HG2G-S/-5S or the personal
computer may break down depending on the conditions of the personal computer. Make sure of the following
cautions, in order to prevent an accident.
• If the personal computer has a 3-pin power plug or power plug with a ground lead type, make sure to use a plug
socket including a ground input electrode or ground the earth lead, respectively.
• If the personal computer has a 2-pin power plug without ground lead, follow the procedure below when connect
the HG2G-S/-5S to the personal computer.
(1) Pull out the power plug of the personal computer from the AC outlet.
(2) Connect the HG2G-S/-5S to the personal computer.
(3) Insert the power plug of the personal computer into the AC outlet.
CAUTION
• 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 HG2G-S/-5S.
• Separate the HG2G-S/-5S 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.
+
Power supply
HG2G-S*22 : 24V DC (+24V)
HG2G-S*21 : 12V DC (+12V)
HG2G-5ST22 : 12V DC / 24V DC
- Power supply 0V (0V)
Functional Earth (FE)
Applicable cable AWG18 to AWG22
Recommended
Pressure Terminal
AI 0.34-6 TQ
AI 0.5-8 WH
AI 0.75-8 GY
AI 1-8 RD
AI-TWIN 2×0.5-8 WH (TWIN Pressure Terminal)
(Phoenix Contact)
Tightening Torque 0.5 to 0.6 N•m