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Internal
circuits
NX Unit power supply
NX-series NX1P2
CPU Unit
Built-in I/O
Unwired
terminal
Unit power supply
(24 VDC)
I I_unit2
I_ioB
Cn(+V)/0Vn
terminal
PNP (sourcing)
type only
I/O power supply
(24 VDC, etc.)
End
Cover
I/O power
supply
I/O power
supply
I/O power
supply
terminal
External devices
External devices
I_unit2
I_io1
Unit power supply terminals
I_io2
Additional
I/O Power
Supply
Unit 1
Additional
I/O Power
Supply
Unit 2
Additional
NX Unit
Power
Supply Unit
Unit power supply
terminals
I_unit1
I/O power
supply
terminal
Block that the CPU Unit supplies Unit power supply.
Block that an Additional NX Unit Power Supply
Unit supplies Unit power supply.
Block that an Additional I/O
Power Supply Unit 1 supplies
I/O power supply.
Block that an Additional I/O
Power Supply Unit 2 supplies
I/O power supply.
NX Unit power supply
Internal
power
supply
circuit
Power
supply
○
○
○
○
○
○
○
○
○
○
○
Protective
device
Protective
device
Protective
device
Protective
device
• When Total Current Consumption for All Blocks Does Not Exceed the Rated Current
In this example, the current consumption from each power supply is as follows:
Current consumption from Unit power supply: I I_unit2 ≤ Lowest rated current
Current consumption from I/O power supply for NX Units: I_io1 + I_io2 ≤ 4 A (rated current for
I/O power supply)
4 Designing the Power Supply System
4-27
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
4-4 Selecting External Power Supplies and Protective Devices
4
4-4-3
Selecting Protective Devices
Содержание NX1P2 series
Страница 8: ...Manual Structure 6 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 52: ...Revision History 50 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 82: ...2 System Configuration 2 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 170: ...a b Flat blade screwdriver 1 2 5 Installation and Wiring 5 26 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 174: ...4 Close the Memory Card cover 5 Installation and Wiring 5 30 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 176: ...4 Close the Memory Card cover 5 Installation and Wiring 5 32 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 224: ...0 4 mm Side view Front view 2 5 mm 5 Installation and Wiring 5 80 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 258: ...Appendices A 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 259: ...I Index I 1 NX series NX1P2 CPU Unit Hardware User s Manual W578 I...
Страница 262: ...Index I 4 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Страница 263: ......