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4
Designing the Power Supply Sys-
tem
This section describes how to design the power supply system for the NX-series
NX1P2 CPU Unit.
4-1 Power Supply System.................................................................................... 4-2
NX Unit Power Supply and I/O Power Supply................................................. 4-2
NX-series Power Supply-related Units ............................................................ 4-3
4-2 Designing the NX Unit Power Supply System........................................... 4-10
Procedure for Designing the NX Unit Power Supply System ........................ 4-10
Calculation Example for the NX Unit Power Supply.......................................4-11
4-3 Designing the I/O Power Supply System ................................................... 4-13
I/O Power Supply Method ............................................................................. 4-13
Designing the I/O Power Supply from the NX Bus ........................................ 4-14
Designing the I/O Power Supply from External Sources............................... 4-19
Designing I/O Power Supply for the Built-in I/O ............................................ 4-19
Restrictions on Inrush Current for ON/OFF Operation .................................. 4-21
4-4 Selecting External Power Supplies and Protective Devices.................... 4-22
Selecting the Unit Power Supply ................................................................... 4-22
Selecting the I/O Power Supplies.................................................................. 4-24
Selecting Protective Devices......................................................................... 4-25
4-1
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
4
Summary of Contents for NX1P2 series
Page 8: ...Manual Structure 6 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 52: ...Revision History 50 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 82: ...2 System Configuration 2 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 258: ...Appendices A 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 259: ...I Index I 1 NX series NX1P2 CPU Unit Hardware User s Manual W578 I...
Page 262: ...Index I 4 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 263: ......