4
Installation and Wiring
This section describes how to install the NX Units, the types of power supplies used in
the CPU Rack or Slave Terminal, their wiring methods, and how to wire the NX Units.
4-1 Installing NX Units
........................................................................................ 4 - 2
4-1-1 Restriction on Installation Orientation ........................................................... 4 - 2
4-1-2 Restriction on Adjacent Units........................................................................ 4 - 3
4-2 Power Supply Types and Wiring................................................................. 4 - 4
4-2-1 Power Supply Types ..................................................................................... 4 - 4
4-2-2 I/O Power Supply Applications and Methods................................................ 4 - 4
4-2-3 Calculating the Total Current Consumption from I/O Power Supply ............. 4 - 5
4-3 Wiring the Terminals .................................................................................... 4 - 7
4-3-1 Wiring to the Screwless Clamping Terminal Blocks...................................... 4 - 7
4-3-2 Preventing Incorrect Attachment of Terminal Blocks .................................. 4 - 17
4-3-3 Checking the Wiring.................................................................................... 4 - 21
4-4 Wiring External Devices ............................................................................ 4 - 22
4-4-1 Terminal Block Arrangement....................................................................... 4 - 22
4-4-2 Wiring Examples......................................................................................... 4 - 22
4-4-3 Precautions for Wiring ................................................................................ 4 - 25
4 - 1
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
4
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