KEYENCE N-R4 User Manual

Dedicated Communication Unit

DANG ER

WARNING

CAUTION

Note

TIPS

CAUTION

96M13456

Main unit Instruction manual

Connector for the RS-422A/485 Label for the connectors

(used when wiring RS-422A)

For 422 connector

E N-R4-IM

Dedicated Communication Unit RS-422A/485 Output Type

N-R4

Instruction Manual

■General precautions

•

At startup and during operation, be sure to check that the functions and performance of the N-R4 is operating properly.

•

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

•

If the N-R4 is modified or used in any way other than described in the specifications, its function and performance cannot be guaranteed.

•

When the N-R4 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-R4 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 install the N-R4 in the following locations:

•

Locations subject to direct sunlight

•

Locations where the surrounding air temperature is outside the range of 0 to +50qC 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

■UL certification

The N-R4 complies with the following UL/CSA standards and has obtained the UL/C-UL certification.

•

Applicable standards 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.

■FCC regulations

The N-R4 complies with the following FCC EMI regulations.

•

FCC Part 15 Subpart B, Class B digital device

■Canada IC (Industry Canada) regulations

The N-R4 complies with the following IC EMI regulations.

•

ICES-003, Class B digital apparatus

■CE marking

The N-R4 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.

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

CAUTION

•

Do not use the N-R4 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-R4 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-R4. This may cause product failure.

96M00269

CAUTION

•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-R4 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.

Foreign Regulations and Standards

Package Contents List

Main unit Instruction manual

Connector for the RS-422A/485 Label for the connectors

(used when wiring RS-422A)

For 422 connector

E N-R4-IM

Dedicated Communication Unit RS-422A/485 Output Type

N-R4

Instruction Manual

■General precautions

•At startup and during operation, be sure to check that the

functions and performance of the N-R4 is operating properly.

•We recommend that you take substantial safety measures to

avoid any damage in the event a problem occurs.

•If the N-R4 is modified or used in any way other than described in

the specifications, its function and performance cannot be guaranteed.

•When the N-R4 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-R4 for the purpose of protecting the human

body.

•The information contained in this manual is subject to change

without notice.

■Notice

•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 install the N-R4 in the following locations:

•Locations subject to direct sunlight

•Locations where the surrounding air temperature is outside the

range of 0 to +50qC 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

■UL certification

The N-R4 complies with the following UL/CSA standards and has obtained the UL/C-UL certification.

•Applicable standardsUL508, UL60950-1

•UL File No. E207185, E167973

•UL categoryNRAQ/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.

■FCC regulations

The N-R4 complies with the following FCC EMI regulations.

•FCC Part 15 Subpart B, Class B digital device

■Canada IC (Industry Canada) regulations

The N-R4 complies with the following IC EMI regulations.

•ICES-003, Class B digital apparatus

■CE marking

The N-R4 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.

Failure to follow these instructions may lead to death or serious injury.

Failure to follow these instructions may lead to injury.

Failure to follow these instructions may lead to product damage (product malfunction, etc.).

Provides additional information on proper operation.

Indicates useful information or information that aids understanding of text descriptions.

For Safely Using the Product

•

Do not use the N-R4 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-R4 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-R4. This may cause product failure.

96M00269

CAUTION

•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-R4 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.

Foreign Regulations and Standards

Package Contents List

Main unit Instruction manual

Connector for the RS-422A/485Label for the connectors

(used when wiring RS-422A)

For 422 connector

RS-422A/485 Output Type

N-R4

Instruction Manual

Failure to follow these instructions may lead to death or serious injury.

Failure to follow these instructions may lead to injury.

Failure to follow these instructions may lead to product damage (product malfunction, etc.).

Provides additional information on proper operation.

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-R4 is operating properly.

• We recommend that you take substantial safety measures to

avoid any damage in the event a problem occurs.

• If the N-R4 is modified or used in any way other than described in

the specifications, its function and performance cannot be guaranteed.

• When the N-R4 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-R4 for the purpose of protecting the human

body.

• The information contained in this manual is subject to change

without notice.

■ Notice

• 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-R4 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-R4 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-R4. This may cause 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-R4 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-R4 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-R4 complies with the following UL/CSA standards and has obtained the UL/C-UL certification.

• Applicable standards 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-R4 complies with the following FCC EMI regulations.

• FCC Part 15 Subpart B, Class B digital device

■ Canada IC (Industry Canada) regulations

The N-R4 complies with the following IC EMI regulations.

• ICES-003, Class B digital apparatus

■ CE marking

The N-R4 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.

Package Contents List

DANGER

WARNING

CAUTION

Note

TIPS

CAUTION

E N-R4-IM

Part Names and Functions

8. DIN rail mounting tab

1. Head port

2. Power LED

3. Communication status LED

4. RS-422A/485 connector

5. I/O status LED

6. I/O terminals

7. Power terminal

9. RS-422A/485 changeover switch

10. Terminating

resistance switch

KV-B16XC

Head port

OUT1 to 4IN1

Head

BL Series SR Series

Personal computer

Timing sensor

RS-422A or RS-485

RS-232C

RS-485

Personal computer

PLC

RS-485 master unit

N-410

Head (BL Series, SR Series)

CAUTION

Note

Round 12-pin jack

Power supply

24V+10%

20%

Twist pair cable

I/O terminal block

Number Name Function

1 Head port Used to connect the head.

2 Power LED Lights when the power is ON.

Communication status

5 I/O status LED Monitors the ON/OFF status of I/O terminals.

6 I/O terminals

7 Power terminal Terminal for 24V DC power supply input.

8 DIN rail mounting tab A tab for mounting the DIN rail.

LED

RS-422A/485

connector

RS-422A/485

changeover switch

Terminating resistance

switch

Monitors the status of communication with the head.

Used to connect to the host (personal computer, PLC).

Used to connect I/O signal lines of control units.

Used to switch between RS-422A and 485 communications.

Used to switch between ON and OFF of the terminating resistance.

• States of RS-422A/485 changeover switch and terminating

resistance switch

Number

1 Left Right

2 Left Right

RS-422A

communication mode

* The factory setting is RS-485 communication mode and terminating

resistance OFF.

RS-485

communication mode

Terminating

resistance ON

Right

System Configuration Figure

■ When connecting RS-422A or RS-485 (1:1 connection)

Connection and Wiring Methods

■ Connecting the code reader

Connect the code reader to the head port of the N-R4. Pin layout of the head port

37485

1112

Install and remove connection cables with the power disconnected.

number

Name Signal name

1 OUT1 OUT1 input Input

2 OUT2 OUT2 input Input

3 RXD RS-232C Receive Input

4 RTS RS-232C Receivable Output

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

Signal

direction

■ Connecting the power supply

Connect the 24 VDC power supply to the power terminal of the N-R4.

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 temperature rating

+60°C max.

■ Layout and Wiring of the I/O Terminal Block

• Layout of the I/O terminal block

■ RS-485 connection (multi-drop connection)

* At the end of the RS-485 trunk line, set the terminator to ON.

E N-R4-IM

Symbol Description

INCOM Common for IN terminal

IN1

Used as an input terminal for the code reader. Input

IN2

OUTCOM Common for OUT terminal

OUT1

OUT2

OUT3

OUT4

Used as an output terminal from the code reader. Output

Signal

direction

• For connection, use stranded copper wire having a

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).

+ 2 hidden pages