KEYENCE N-UB User Manual

96M13453

Dedicated Communication Unit

USB Output Type

N-UB

Instruction Manual

	DANGER	Failure to follow these instructions may lead to death or
		serious injury.
	WARNING	Failure to follow these instructions may lead to injury.
	CAUTION	Failure to follow these instructions may lead to product
		damage (product malfunction, etc.).
	Note	Provides additional information on proper operation.
	TIPS	Indicates useful information or information that aids
		understanding of text descriptions.

For Safely Using the Product

■ General precautions

•At startup and during operation, be sure to check that the functions and performance of the N-UB is operating properly.

•We recommend that you take substantial safety measures to avoid any damage in the event a problem occurs.

•If the N-UB is modified or used in any way other than described in the specifications, its function and performance cannot be guaranteed.

•When the N-UB is used in combination with other instruments, the function and performance may be effected by operating conditions and the surrounding environment.

•Do not use the N-UB for the purpose of protecting the human body.

•The information contained in this manual is subject to change without notice.

■ Notice

When this product is used under the circumstances and operating environments described below, adhere to the limitations of the ratings, take adequate measures to ensure safety such as fail-safe installations and consult a KEYENCE sales representative.

•For use under circumstances or environments which are not described in the manual

•For use with nuclear power control, railway, aircraft, vehicles, incinerators, medical equipment, entertainment equipment, safety devices etc.

•For use in applications where death or serious property damage is possible and extensive safety precautions are required.

■For properly using the product

•Do not use the N-UB in an environment subject to flammable, explosive, or corrosive gases.

•Be sure that all screws are tightened securely.

•Use crimp contacts of the specified size for wiring.

•The N-UB uses a 24 VDC power supply. Using a power supply outside this range or an AC power supply may cause product failure.

•Do not disassemble or modify the N-UB.This may cause

CAUTION

product failure.

•Locate the cables as far as possible from high-voltage lines and power lines. Otherwise, generated noise may cause product failure or malfunctions.

•The N-UB is a precision instrument. If the unit is dropped or shock is applied, it may be damaged. Use caution when unpacking, carrying, and mounting.

•Be sure to observe all warnings, cautions, and precautions specified in the manual.

Do not install the N-UB in the following locations:

•Locations subject to direct sunlight

•Locations where the surrounding air temperature is outside the range of 0 to +50°C or locations subject to condensation as the result of severe changes in temperature

•Locations where the ambient humidity is outside the range of 35 to 85%RH.

•Locations subject to corrosive or flammable gases

•Locations subject to dust, salts, iron dust, or oil smoke

•Locations subject to shock or vibration

•Locations subject to exposure of water, oil, or chemicals

•Locations where strong magnetic or electric fields are generated

Foreign Regulations and Standards

■ UL certification

The N-UB complies with the following UL/CSA standards and has obtained the UL/C-UL certification.

•	Applicable standard	UL508, UL60950-1
•	UL File No.	E207185, E167973
•	UL category	NRAQ/NRAQ7, NWGQ2/NWGQ8

Be sure to observe the following installation and environment conditions.

•Pollution degree 2

•Overvoltage category I

Caution - Do not connect directly to the branch circuit. This product must be supplied power by a suitable, approved isolated transformer or power supply not exceeding 200 VA max.

Attention - Ne raccordez pas l'unité directement au circuit de dérivation. Ce produit doit être alimenté par un transformateur adapté, isolé et approuvé ou une alimentation ne dépassant pas 200 VA.

■ FCC regulations

The N-UB complies with the following FCC EMI regulations.

• FCC Part 15 Subpart B, Class B digital device

■ Canada IC (Industry Canada) regulations

The N-UB complies with the following IC EMI regulations.

• ICES-003, Class B digital apparatus

■ CE marking

The N-UB complies with the following essential requirements of the EU Directive.

• EMC Directive (2004/108/EC)

The following harmonized standards are applied to this product in order to confirm the compliance.

•	Applicable standards (EMI)	EN55011, Class A
		EN55022, Class B
•	Applicable standards (EMS)	EN61000-6-2
		EN61000-6-1

* The length of the communication and power cables should be less than 30 m.

* To make the N-UP conform to the CE marking, attach the ferrite core to the USB cable as shown in the following diagram.

Recommended types

Model: ZCAT2035-0930 (TDK)

OP-31973 (Keyence)

Package Contents List

Main unit

Instruction manual

Dedicated Communication Unit

USB Output Type

N-UB

Instruction Manual

Foreign Regulations and Standards

For Safely Using the Product

Package Contents List

1

1

E N-UB-IM

Part Names and Functions

														1.	Head port
														2.	Power LED
														3.	Communication
															status LED
														4.	USB port
														5. I/O status LED
														6.	I/O terminals
														7.	Power terminal

					8. DIN rail mounting tab
	Number	Name			Function
	1	Head port		Used to connect the head.
	2	Power LED		Lights when the power is ON.
	3	Communication status		Monitors the status of communication with the
		LED		head.
	4	USB port		Used to connect to the personal computer.
	5	I/O status LED		Monitors the ON/OFF status of I/O terminals.
	6	I/O terminals		Used to connect I/O signal lines of control
				units.
	7	Power terminal		Terminal for 24V DC power supply input.
	8	DIN rail mounting tab		A tab for mounting the DIN rail.

System Configuration Figure

	Head	Head port	Personal
	BL Series
			computer
	SR Series
			PLC
			USB port
	Timing sensor
		IN1	OUT1 to 4

Connection and Wiring Methods

■ Connecting the code reader

Connect the code reader to the head port of the N-UB.

Pin layout of the head port

					Pin	Name	Signal name	Signal
		2	1		number			direction
	6	5	4	3	1	OUT1	OUT1 input	Input
	10	9	8	7	2	OUT2	OUT2 input	Input
		12	11		3	RXD	RS-232C Receive	Input
					4	RTS	RS-232C Receivable	Output
	Round 12-pin jack				5	OUT4	OUT4 input	Input
					6	IN2	IN2 output	Output
					7	TXD	RS-232C Transmit	Output
					8	CTS	RS-232C Transmittable	Input
					9	OUT3	OUT3 input	Input
					10	IN1	IN1 output	Output
					11	+5V	+5V power supply	Output
					12	GND(SG)	Common GND	-

Install and remove connection cables with the power CAUTION disconnected.

■ Connecting the power supply

Connect the 24 VDC power supply to the power terminal of the N-UB.

Twist pair cable

Power supply

24V+10% -20%

	CAUTION	Using a power supply other than 24 VDC may cause
		product failure.

The dimensions of crimp contacts used for wiring should be as follows:

Terminal	Dimensions
Round Terminal	a: 6 mm Max.
Y terminal	a: 6 mm Max.
Item	Description
Wire size	AWG14-22
Tightening torque	0.49 N·m (4.34 lbf·in)
Wire material	Copper
Wire type	Stranded wire
Electric wire	+60°C max.
temperature rating

■ Layout and wiring of the I/O terminal block

• Layout of the I/O terminal block

I/O terminal block

	Symbol	Description	Signal
			direction
	INCOM	Common for IN terminal	-
	IN1	Used as an input terminal for the code reader.	Input
	IN2
	OUTCOM	Common for OUT terminal	-
	OUT1
	OUT2	Used as an output terminal from the code reader.	Output
	OUT3
	OUT4
		• For connection, use stranded copper wire having a
	Note	gage of AWG16 to 26 and temperature rating of 60°C
		or higher.

•The tightening torque is 0.19 N·m (1.7 lbf·in).

•Wiring IN1 and IN2

Circuit diagram

IN1, IN2

Internal

circuit

INCOM

E N-UB-IM	2