NX-HAD[][][] NX-series High-speed Analog Input Unit/Specifications

This section provides the general specifications of the High-speed Analog Input Units.

Item		Specification
Enclosure		Mounted in a panel
Grounding methods		Ground of 100 Ω or less
Operating environment	Ambient operating temperature	0 to 55°C
	Ambient operating humidity	10% to 95% (with no condensation or icing)
	Atmosphere	Must be free from corrosive gases.
	Ambient storage temperature	-25 to 70°C (with no condensation or icing)
	Altitude	2,000 m max.
	Pollution degree	2 or less: Meets IEC 61010-2-201.
	Noise immunity	Conforms to IEC 61000-4-4, 2 kV (power supply line)
	Overvoltage category	Category II: Meets IEC 61010-2-201.
	EMC immunity level	Zone B
	Vibration resistance	Conforms to IEC 60068-2-6. 5 to 8.4 Hz with amplitude of 3.5 mm, 8.4 to 150 Hz, acceleration of 9.8 m/s² 100 min each in X, Y, and Z directions (10 sweeps of 10 min each = 100 min total)
	Shock resistance	Conforms to IEC 60068-2-27, 147 m/s², 3 times each in X, Y, and Z directions
	Insulation resistance	Refer to the individual specifications of NX Units.
	Dielectric strength	Refer to the individual specifications of NX Units.
Applicable standards		cULus: Listed (UL61010-2-201), ANSI/ISA 12.12.01, EU: EN 61131-2, RCM, KC (KC Registration),NK and LR

Note: 1. The specifications of insulation resistance and dielectric strength vary with NX Unit Models.
2. Ask your OMRON representative for the most recent applicable standards for each model.

Unit name			High-speed Analog Input Unit	Model		NX-HAD401
External connection terminals			Screwless clamping terminal block (16 terminals ×2)
I/O refreshing method			Synchronous I/O refreshing
Indicators			TS indicator, IN indicator
Analog input section	Number of points		4 points	Trigger input section	Number of points	4 points
	Input method		Differential input		Internal I/O common	NPN
	Input range		Voltage: • -10 to 10 V • -5 to 5 V • 0 to 10 V • 0 to 5 V • 1 to 5 V Current: • 0 to 20 mA • 4 to 20 mA		Rated input voltage	24 VDC (20.4 to 28.8 VDC)
	Input conversion range		• Input range of -10 to 10 V or -5 to 5 V -1% to 101% (full scale) • Other input ranges -2% to 102% (full scale)		Input current	3.5 mA typical (24 VDC)
	Absolute maximum rating		Voltage: ±15 V Input current: ±30 mA		ON voltage/ ON current	15 VDC min./3 mA min. (between IOV and each signal)
	Input Impedance		Voltage: 1 MΩ min. Current: 250 Ω		OFF voltage/ OFF current	5 VDC max./1 mA max. (between IOV and each signal)
	Resolution		• Input range of -10 to 10 V or -5 to 5 V 1/64000 (full scale) • Other input ranges 1/32000 (full scale)		ON/OFF response time	1 μs max./1 μs max.
	Overall accuracy	25°C	±0.1% (full scale)		Input filter time	No filter, 4 μs, 8 μs (default), 16 μs, 32 μs, 64 μs, 128 μs, 256 μs
	Overall accuracy	0 to 55°C	±0.2% (full scale)
	Conversion time		5 μs per channel*1
Dimensions			24 (W) × 100 (H) × 71 (D)	Isolation method		Between the analog input and the NX bus: Power = Transformer, Signal = Digital isolator Between analog inputs: Power = Transformer, Signal = Digital isolator Between the trigger input and the NX bus: Signal = Digital isolator Between the analog input and the trigger input: Power = Transformer, Signal = Digital isolator
Insulation resistance			20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength		510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
I/O power supply method			Supply from the NX Bus	Current capacity of I/O power supply terminals		IOV: 0.1 A max. per terminal IOG: 0.1 A max. per terminal
NX Unit power consumption			• Connected to a CPU Unit 3.30 W max. • Connected to a Communications Coupler Unit 2.95 W max.	Current consumption from I/O power supply		30 mA max.
Weight			140 g max.
Circuit Configuration			The following channels are individually isolated. • Input1+, Input1-, SHT1+, SHT1- • Input2+, Input2-, SHT2+, SHT2- • Input3+, Input3-, SHT3+, SHT3- • Input4+, Input4-, SHT4+, SHT4-
Installation orientation and restrictions*2			Installation orientation: • Connected to a CPU Unit Possible in upright installation. • Connected to a Communications Coupler Unit Possible in upright installation. Restrictions: No restrictions
Terminal connection diagram
Input disconnection detection*5			• When the input range is 1 to 5 V or 4 to 20 mA: Supported • Other input range: Not supported

*1. This is the minimum value. The Units perform conversion in the sampling period determined based on the Number of
Samplings Setting. The sampling period must be set to this value or longer.
*2. The following Unit cannot be connected next to the Unit.
· Relay Output Unit (NX-OC[][][][])
*3. Besides the Additional I/O Power Supply Unit, there are Units that can supply I/O power to the NX bus. For example,
you can use a Connected Communications Coupler Unit. If you use this Unit to supply I/O power to the High-speed
Analog Input Units, the Additional I/O Power Supply Unit is unnecessary. The Additional I/O Power Supply Unit is also
unnecessary if you do not use the trigger inputs of the High-speed Analog Input Units.
*4. Short-circuit cables are not included in the product. The cable length must be 4 cm or less and allow for wiring to the
screwless clamping terminal block. Be sure to use cables and ferrules that are applicable to the screwless clamping
terminal block.
If the cable is too long, the analog input values may not be accurate.
*5. To use this function, set the Disconnection Detection Enable/Disable to Enable.

Unit name			High-speed Analog Input Unit	Model		NX-HAD402
External connection terminals			Screwless clamping terminal block (16 terminals ×2)
I/O refreshing method			Synchronous I/O refreshing
Indicators			TS indicator, IN indicator
Analog input section	Number of points		4 points	Trigger input section	Number of points	4 points
	Input method		Differential input		Internal I/O common	PNP
	Input range		Voltage: • -10 to 10 V • -5 to 5 V • 0 to 10 V • 0 to 5 V • 1 to 5 V Current: • 0 to 20 mA • 4 to 20 mA		Rated input voltage	24 VDC (20.4 to 28.8 VDC)
	Input conversion range		• Input range of -10 to 10 V or -5 to 5 V -1% to 101% (full scale) • Other input ranges -2% to 102% (full scale)		Input current	3.5 mA typical (24 VDC)
	Absolute maximum rating		Voltage: ±15 V Input current: ±30 mA		ON voltage/ ON current	15 VDC min./3 mA min. (between IOG and each signal)
	Input Impedance		Voltage: 1 MΩ min. Current: 250 Ω		OFF voltage/ OFF current	5 VDC max./1 mA max. (between IOG and each signal)
	Resolution		• Input range of -10 to 10 V or -5 to 5 V 1/64000 (full scale) • Other input ranges 1/32000 (full scale)		ON/OFF response time	1 μs max./1 μs max.
	Overall accuracy	25°C	±0.1% (full scale)		Input filter time	No filter, 4 μs, 8 μs (default), 16 μs, 32 μs, 64 μs, 128 μs, 256 μs
	Overall accuracy	0 to 55°C	±0.2% (full scale)
	Conversion time		5 μs per channel*1
Dimensions			24 (W) × 100 (H) × 71 (D)	Isolation method		Between the analog input and the NX bus: Power = Transformer, Signal = Digital isolator Between analog inputs: Power = Transformer, Signal = Digital isolator Between the trigger input and the NX bus: Signal = Digital isolator Between the analog input and the trigger input: Power = Transformer, Signal = Digital isolator
Insulation resistance			20 MΩ min. between isolated circuits (at 100 VDC)	Dielectric strength		510 VAC between isolated circuits for 1 minute at a leakage current of 5 mA max.
I/O power supply method			Supply from the NX bus	Current capacity of I/O power supply terminals		IOV: 0.1 A max. per terminal IOG: 0.1 A max. per terminal
NX Unit power consumption			• Connected to a CPU Unit 3.30 W max. • Connected to a Communications Coupler Unit 2.95 W max.	Current consumption from I/O power supply		30 mA max.
Weight			140 g max.
Circuit Configuration			The following channels are individually isolated. • Input1+, Input1-, SHT1+, SHT1- • Input2+, Input2-, SHT2+, SHT2- • Input3+, Input3-, SHT3+, SHT3- • Input4+, Input4-, SHT4+, SHT4-
Installation orientation and restrictions*2			Installation orientation: • Connected to a CPU Unit Possible in upright installation. • Connected to a Communications Coupler Unit Possible in upright installation. Restrictions: No restrictions
Terminal connection diagram
Input disconnection detection*5			• When the input range is 1 to 5 V or 4 to 20 mA: Supported • Other input range: Not supported

*1. This is the minimum value. The Units perform conversion in the sampling period determined based on the Number of
Samplings Setting. The sampling period must be set to this value or longer.
*2. The following Unit cannot be connected next to the Unit.
· Relay Output Unit (NX-OC[][][][])
*3. Besides the Additional I/O Power Supply Unit, there are Units that can supply I/O power to the NX bus. For example,
you can use a Connected Communications Coupler Unit. If you use this Unit to supply I/O power to the High-speed
Analog Input Units, the Additional I/O Power Supply Unit is unnecessary. The Additional I/O Power Supply Unit is also
unnecessary if you do not use the trigger inputs of the High-speed Analog Input Units.
*4. Short-circuit cables are not included in the product. The cable length must be 4 cm or less and allow for wiring to the
screwless clamping terminal block. Be sure to use cables and ferrules that are applicable to the screwless clamping
terminal block.
If the cable is too long, the analog input values may not be accurate.
*5. To use this function, set the Disconnection Detection Enable/Disable to Enable.

Refer to the user's manual for the CPU Unit for details on the CPU Units to which NX Units can be connected.

NX Unit		Corresponding unit versions/versions *
Model	Unit version	CPU Unit	Sysmac Studio
NX-HAD401	Ver.1.0	Ver. 1.18	Ver.1.23
NX-HAD402	Ver.1.0	Ver. 1.18	Ver.1.23

* Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support
is provided by the oldest available version after the specified version. Refer to the user's manuals for the specific Units for
the relation between models and versions.

The items that are used in the version combination table are given below.

NX Unit		Corresponding unit versions/versions *
Model	Unit version	EtherCAT Coupler Unit	CPU Unit or Industrial PC	Sysmac Studio
NX-HAD401	Ver.1.0	Ver.1.0	Ver. 1.18	Ver.1.23
NX-HAD402	Ver.1.0	Ver.1.0	Ver. 1.18	Ver.1.23

* Some Units do not have all of the versions given in the above table. If a Unit does not have the specified version, support
is provided by the oldest available version after the specified version. Refer to the user's manuals for the specific Units for
the relation between models and versions.

NX-HAD[][][]

Simultaneous sampling of 4 channels with sampling times down to 5 μs

General Specifications

Specifications of Individual Units

NX-HAD401

NX-HAD402

Version Information

Connected to a CPU Unit

Connected to an EtherCAT Coupler Unit

Product Category