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5-3
Wire
This section describes how to wire the Industrial Monitor.
5-3-1
Ground
This section describes how to ground the Industrial Monitor.
Always connect to a ground of 100 Ω or less when installing the prod-
uct.
The product has an internal non-isolated DC power supply. Circuit
ground (0 VDC) and frame ground are connected together. When con-
necting a non-isolated device or a non-isolated interface to the product,
take appropriate actions to avoid communication failures or damage to
the mentioned ports.
Industrial PC Platform Product
24 VDC
0 VDC
Never ground the 24 VDC side of the power supply. This may cause a
short circuit.
The shielding of the communication connectors are directly bonded to the case and to the ground of
the Monitor.
The shield of a communication cable should be terminated to ground at both ends of the cable with a
low impedance connection. A large surface area surrounding the entire cable shield ensures a low im-
pedance connection, avoid the use of pigtails.
Potential differences between the two connected communicating devices might cause an equipotential
current to flow through the shielding connected at both ends.
NY-series Industrial Monitor User's Manual (W554)
WARNING
Caution
Non-isolated
Non-isolated
Interface
Caution
5 Installation
Device
5
5 - 17
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