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Original instructions, Technical specifications – Rockwell Automation 440L GuardShield PAC Type 4 Safety Light Curtain User Manual

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GuardShield™ PAC Safety Light Curtain Installation Instructions

24

Original instructions

Technical Specifications

Light Beams

3/400 mm spacing (440L-P4A3400YD)2/500 mm spacing (440L-P4A2500YD)

Protective Field

820 mm (31.8 in.) 3 beam, 520 mm (20.4 in.) 2 beam

Range

16 m (52.5 ft)

Response Time

OSSD – ON to OFF: (Reaction times); 20 ms uncoded; 30 ms coded

Power Supply

24V DC +/-20%; Power supply must meet the requirements of IEC 60204-1 and IEC 61496-1.

Power Consumption

400 mA max. (unloaded)

IR Transmitter

Infrared LED (wave length 870 nm)

Aperture Angle

Within ± 2.5° for transmitter and receiver

Operating Condition

IR transmitter ON

Functions

Guard Only:

On/Off operation with clear/obstructed detection area

Start Interlock:

Interlock at start up—Reset by actuation of momentary N.O. pushbutton switch (or interruption/restoration of light curtain)

Restart Interlock:

Interlock at interruption of sensing field—Reset by actuation of momentary N.O. pushbutton switch

Relay Monitoring: Monitoring a switch contact of the installation
Coding:

May be necessary for multiplex alignment

Test Function:

Triggering of system test via external switch

Inputs Transmitter

Machine Test Signal

Minimum duration 100 ms
Voltage level for Logic 0:

0 – 5V DC

Voltage level for Logic Hi 1:

> 16V DC

Inputs Receiver

Start/Restart Interlock

Logic Lo
Minimum duration 100ms; maximum duration 900 ms
Voltage level for Logic Lo 0:

0 – 5V DC

Voltage level for Logic Hi 1:

> 16V DC

MPCE

300 ms after activation of OSSD
Voltage level for Logic 0:

0 – 5V DC

Voltage level for Logic Hi 1:

> 16V DC

Outputs: Safety Outputs (OSSDs)

Auxiliary Output

Two solid state outputs, max. switching capacity 500 mA (resistive/inductive),

short circuit protected, max. residual voltage

2V (excl. voltage drop

through cables)
Solid state output, max. power consumption 500 mA (resistive/inductive), max. residual voltage 2V—nonsafety output
Max. Off State leakage current: 1 mA Max. Capacitive Load: 0.18 uF

Status Indicators Receiver

ON-state

OFF-state

Alignment

Interlock

Constant ON when system is in ON-state (green LED)
Constant ON when system is in OFF-state (red LED)

• Lights up at interruption of protective field or if fault occurs

Lights up, if input signal is too weak (amber LED)
Lights up when light curtain is in start or restart interlock mode (yellow LED)

Status Indicators Sender

Power ON

Emitting

Lights up, when voltage is on (amber LED)
Constant ON when transmitter is active (yellow LED)

QD Connectors

Transmitter: M12 plug 4 pin; receiver: M12 plug 8 pin for standard GuardShield PAC and PAC with integrated laser alignment system, GuardShield
PAC with ArmorBlock I/O 5-pin M12

Cable Length

Maximum 30 m (100 ft), Maximum resistance: 5 ohms

Ambient Temperature

During operation: –10…55°C (14…131°F); For storage: –25…75°C (-13…167°F)

Humidity of the Air

Up to 95%

(without condensation) between 20…55°C (68…131°F)

Enclosure Rating

IP65

Vibration Resistance

Per IEC 61496-1, IEC 60068-2-6 Frequency 10…55 Hz Amplitude 0.35 mm

Shock

Per IEC 61496-1, IEC 60068-2-29 Acceleration 10 g, Duration 16 ms

Material

Housing: Aluminum; Cover: PMMA (acrylic)

Dimensions (cross section)

Approx. 40 mm x 50 mm (1.57 in. x 1.96 in.)

Accessories Included

Mounting brackets, operating instructions, security tool, plastic tool for setting dipswitch and teach function

Approvals

IEC 61496 Parts 1and 2, UL 61496 Parts 1 and 2, UL 1998

Safety Classification

Type 4 per EN/IEC 61496, category 4 EN/ISO 13849; SIL 3, IEC 61508, SIL CL3 EN 62061, PLe, EN/ISO 13849

PFHd (mean probability of a dangerous failure/hr

Standalone sys.: 9.51 x 10

-9

; Cascading sys. (host/guest): 1.95 x 10

-8

; Cascading sys. (host/guest/guest): 2.75 x 10

-8

T

M

(mission time)

20 years (EN ISO 13849)

Transmitter Wave Length

870 nm