Rockwell Automation 440N-Z21U16A, 440N-Z21U16B, 440N-Z21U16H, 440N-Z21U16J, 440N-Z21U26A User Manual

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SensaGuard™ 18 mm Plastic Barrel Unique Coding

IMPORTANT

WARNING

440N-Z21U16*, 440N-Z21U26* Installation Instructions

Original instructions in English

Operating Characteristics

SAVE THESE INSTRUCTIONS FOR FUTURE USE.

ENGLISH:

GERMAN:

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ITALIAN:

SPANISH:

PORTUGUESE:

POLISH:

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Sensing Distance 18 mm Actuator 30 mm Actuator

Assured Make 15 mm 25 mm

Assured OFF 25 mm 35 mm

Typical Misalignment (±7 mm in both axes)

Repeat Accuracy 10% of sensing range

Max. output current (all outputs) 200 mA

Input Current 50 mA (no load supply current)

Installation Instructions

Installation must be in accordance with the following steps and stated specifications and should be carried out by suitable competent personnel. The unit is not to be used as a mechanical stop. Guard stops and guides must be fitted. Adherence to the recommended maintenance instructions forms part of the warranty.

This device is intended to be part of the safety related control system of a machine. Before installation, a risk assessment should be performed to determine whether the specifications of this device are suitable for all foreseeable operational and environmental characteristics of the machine to which it is to be fitted. Refer to Technical Specifications below for certification information and ratings.

ATTENTION

The presence of spare actuators compromise the integrity of the safety systems. Personal injury or death, property damage or economic loss can result. Appropriate management controls, working procedures and alternative protective measures should be introduced to control their use and availability.

Do not defeat, tamper, remove or bypass this unit. Severe injury to personnel could result. The sensor MUST be connected to a Class 2 SELV 24V DC, +10%/-15% power supply.

Technical Specifications

Type 4 Interlocking Device per ISO 14119 (High Coding)

Safety Classification

Standards

Certifications TÜV, CE Marked for all applicable directives, cULus

Functional Safety Data

PLe, Cat 4 per ISO 13849-1 SIL CL3 per IEC 62061 and IEC 61508

ISO 14119, IEC 60947-5-3, IEC 61508, IEC 62061, ISO138491, UL 508, CSA 22.2 No. 14

-9

: 1.12 - 10

PFH

Operational Current, Min. 1 mA DC

Off-state Current <0.5 mA DC

Max. no. of switches, connected in series

Operating Voltage

Unlimited. See Unit Response Time section on page 5.

24V DC +10%/-15% Class 2 SELV power supply

Frequency of operating cycle 1 Hz

Response Time (Off )

54 ms first switch, 18 ms for each additional switch

Case Material Polycarbonate

Actuator Material Polycarbonate

Outputs (guard door closed, actuator in place)

Outputs Description Status

Safety 2 x PNP, 0.2 A max. ON (+24V DC)

Auxiliary 1 x PNP, 0.2 A max. OFF (0V DC)

Environmental

Operating Temperature [C (F)] -10…+55° (14…131°)

Operating Humidity 5…95% relative

Washdown Rating NEMA 3, 4X, 12, 13, IP69k

Shock & Vibration

Radio Frequency

IEC 68-2-27 30 g, 11 ms/IEC 68-2-6 10…55 Hz

IEC 61000-4-3 IEC 61000-4-6

Rockwell Automation 440N-IN013A-EN-P—October 2014

2 SensaGuard™ 18 mm Plastic Barrel Unique Coding

Sensor

18 mm Actuator

67.06

[2.640]

2.03 [.080]

M18X1

36.47

[1.436]

13.72 [0.54]

15.87

[0.625]

36.47

[1.436]

13.72 [0.54]

15.87

[0.625]

4.57

[0.180]

DIA

19.81 [0.78]

3.17

[0.125]

15.42

[0.607]

2 PLACES

18 mm Actuator

75 mm

Sensor

30 mm Actuator

100 mm

Sensor

IMPORTANT

Protection

Short-circuit Incorporated

Current Limitation Incorporated

Overload Incorporated

False Pulse Incorporated

Tra nsi ent Noi se In cor por ated

Reverse Polarity Incorporated

Overvoltage Incorporated

Thermal Shutdown/Restart Incorporated

Electrical Life

10 x 10

Dimensions [mm (in.)]

16.84

[0.663]

3.17

[0.125]

22.22

[0.875]

48.92

30.40

[1.197]

[1.926]

19.81 [0.78]

Mounting Information

Use non-removable screws, bolts, or nuts to mount the switch and actuator. Do not over torque the mounting hardware.

Position the switch and actuator so they are aligned with each other.

Mount the switch and actuator to removable guard, door, or gate. Keep the switch and actuator within the sensing range below.

This switch is not meant to be fully embedded in metal. Use the stainless steel version (440N-Z21S17* or 440N-Z21U17*) for embedding.

Nut Torque Specification

Plastic Barrel Switch: 2.26 N•m (20 in•lb) Plastic Actuators: 2.26 N•m (20 in•lb)

4.57

[0.18]

2 places

Dia.

Minimum Distance Between Sensors

19.81 [0.78]

22.22

[0.875]

30 mm Actuator

48.92

[1.926]

Mode of Operation

Status indicators:

• “Power/Fault” LED illuminates green: Door/guard closed,

safety outputs active.

• “Power/Fault” LED illuminates red: Door/guard open,

safety outputs off.

• “Power/Fault” LED flashes red: Unit failure. See Diagnostic

section on page 3.

• “Power/Fault” LED flashes green: Safety inputs off.

Misalignment Curve

18 mm Unit with 18 mm Target

OFF OFF

Face to Face Distance—mm

Side Lobe Side Lobe

-25

(-0.98)

-20

(-0.787)

-15

(-0.59)

Lateral Misalignment Tolerance—mm (in)

There must be a minimum spacing of 4 mm (0.157in.) if actuator and sensor face approaches laterally. This will prevent false triggering due to the side lobe areas.

Assured Sensing

-10

(-0.39)-5(-0.19)

Distance

OFF

Distance

(0.19)10(0.39)15(0.59)

(0.787)25(0.98)

Rockwell Automation 440N-IN013A-EN-P—October 2014

SensaGuard™ 18 mm Plastic Barrel Unique Coding 3

IMPORTANT

476

Brown

White

Blue

Pink

Grey

Green

Red

Yellow

18 mm Unit with 30 mm Target

OFF OFF

Face to Face Distance—mm

Side Lobe Side Lobe

-30

(-1.18)

-20

(-0.787)

(-0.39)

Lateral Misalignment Tolerance—mm (in)

There must be a minimum spacing of 7 mm (0.275in.) if actuator and sensor face approaches laterally. This will prevent false triggering due to the side lobe areas.

Assured Sensing

Distance

Assured Sensing

Distance

-10

OFF

010

(0.39)20(0.787)30(1.18)

Wiring Diagram

8-Pin Unit

Pin Number Wire Color Signal

1 White Aux. Outputs

2 Brown +24V

3 Green NA

4 Yellow OSSD 2, +24V Input

5 Grey OSSD 1

6 Pink OSSD 2

7Blue0V

8 Red OSSD 1, +24V Input

Recommended mating cable, 2 m (6.5 ft)—889D-F8AB-2. Replace the 2 with 5 (5 m) or 10 (10 m) for standard cable lengths.

5-Pin Unit

Pin Number Signal

1+24V

2 OSSD 1

30V

4 OSSD 2

5Aux.

Recommended cordset, 2m (6.5 ft) - 889D-F5AC-2. Replace the 2 with 5 (5 m) or 10 (10 m) for standard cable lengths.

Note: If the user does not require the Auxiliary signal, a 4-pin cordset (889D-F4AC-2) can be used.

Recommended patchcord for use with ArmorBlock® Guard Safety I/O, 2 m (6.5 ft) - 889D-F4ACDM-2. Replace the 2 with

0M3 (0.3 m), 1 (1 m), 5 (5 m), or 10 (10 m) for standard cable lengths.

Note: Do not use a 5-pin patchcord with the ArmorBlock.

Diagnostic

Unit Indicators (per IEC 60073)

State Status Troubleshooting

Off Not Powered NA

Red Not Safe, OSSD not active NA

Green Safe, OSSD active NA

Device Output

LED

Green

Flash

Power up test or OSSD inputs

not valid

Red

1 Hz Flash Recoverable Fault

4 Hz Flash Non-recoverable Fault

Check 24V DC or OSSD inputs

(yellow and red wire)

Recoverable fault —check OSSD outputs are not shorted to GND, 24V DC or each other.

Cycl e pow er.

Rockwell Automation 440N-IN013A-EN-P—October 2014

IMPORTANT

Refer to Technical Specifications (page 1) for certification information and ratings.

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