WindO/I-NV4 User’s Manual 35-29
2 HG5G/4G/3G/2G-V
35
MICRO/I Specifications
2.8 Wiring
● Power Supply Terminal
• Pin assignment is shown in the following table.
• Use applicable cables for wiring and recommended ferrules (made by Phoenix Contact or Weidmüller) as follows.
●
Grounding Cautions
If you decide to use a single power supply for the HG5G/4G/3G/2G-V 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 HG5G/4G/3G/2G-V 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 HG5G/4G/3G/2G-V and the non-isolated communication device
(i.e. PLC) to prevent damage.
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 HG5G/4G/
3G/2G-V.
• Separate the HG5G/4G/3G/2G-V 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 24V DC (+24V)
- Power supply 0V (0V)
Functional Earth (FE)
Type No. HG5G/4G/3G-V HG2G-V
Applicable cable AWG18 to AWG22 AWG14 to AWG22
Recommended
ferrule
AI 0,34-8 TQ
AI 0,5-8 WH
AI 0,75-8 GY
AI 1-8 RD
AI-TWIN 2 x 0,5-8 WH
AI-TWIN 2 x 0,75-8 GY
AI-TWIN 2 x 1-8 RD
(Phoenix Contact)
H0,34/12 TK
H0,5/14 OR
H0,75/14 W
H1,0/14 GE
H0,5/14 ZH OR
H0,75/14 ZH W
H1,0/15 ZH GE
(Weidmüller)
AI 0,34-12 TQ
AI 0,5-12 WH
AI 0,75-12 GY
AI 1-12 RD
AI 1,5-12 BK
AI 2,5-12 BU
AI-TWIN 2 x 1,5-12 BK
(Phoenix Contact)
H0.5/18 OR
H0,75/18 W
H1,0/18 GE
H1,5/18D SW
H2,5/19D BL
H1,5/20 ZH R
(Weidmüller)
Tightening Torque 0.5 to 0.6 N·m 0.5 to 0.6 N·m
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