Presence Sensing Safety Devices
Safety Light Curtains
GuardShield Type 4
Specifications
Standards
Approvals
Protected Height
Scanning Range/Resolution
Resolution
Enclosure Rating
Connection Type
EN 61496 Parts 1 & 2
TUV and CE marked for all applicable
directives; UL 61496, UL 1998
160mm...1760mm (6.3in...69.3in) in
160mm (6.3in) increments
0.3-7m/14mm (0.98-22.9ft/0.55in)
0.3m-18m/30mm (0.98-59ft/1.18in)
14mm/30mm (0.55in/1.18in)
IP 65
Transmitter: 4-pin micro QD
Receiver: 8-pin micro QD
24V DC
±
20%
5 Vss
0.9...2 Amps (no-load) 0.4A max (no
load)
Optical, without separate
synchronization channel
2 x PNP, 0.5 A, short circuit protected
1 x PNP 0.5A max.
Uv - 2V
Depending on number of beams
Short circuit and overload
30m (100ft) max.
Manual or automatic restart
Type 4 (self-checking) per EN 61496
-10°C to 55°C (14°F to 131°F)
15%...95% (not condensing)
-25°C to 75°C (-13°F to 167°F)
Length dependent upon protected
height; (see dimensional drawings)
40 mm x 50 mm (1.57in x 1.96in)
870nm
IEC60068-2-6, frequency 10Hz to 55Hz
Amplitude: 0.35mm (0.01in)
IEC60068-2-29 acceleration 10g, pulse
duration 16ms
Description
The Allen-Bradley Guardmaster GuardShield safety light curtain is
an economical, fully featured, Type 4 safety light curtain in a
uniquely styled housing. GuardShield safety light curtains are general
purpose presence sensing devices designed for use on hazardous
machinery providing point of operation, as well as perimeter and
access guarding. This self-contained, two box, safety light curtain has
DIP switch selectable operating modes and are available in both
14mm and 30mm resolutions.
Modes of operation such as fixed and floating blanking, beam
coding, start/restart interlock, external device monitoring (EDM),
machine test signal, are selected by dip-switches settings. These dip-
switches are located beneath a security door, which are conveniently
located on both the transmitter and receiver end caps.
The GuardShield’s torsionally rigid, extruded aluminium,
polyurethane powder coated housing, combined with an
Environmental rating of IP65, allows the GuardShield to be used in
guarding applications across a broad range of industries.
Supply Voltage Uv
Maximum Residual Ripple
Power Consumption
Synchronization
Outputs—Safety
Output—Non safety
Minimum Output Voltage
Response Time
Protection
Cable Length
Mode of Operation
Safety Category
Operating Ambient Temp.
Air Humidity
Storage Temperature
Approximate Dimensions
Height
Housing Cross Section
Transmitter Wavelength
Vibration Resistance
Shock
Features
•
•
•
•
•
Fixed blanking—teachable
Floating blanking—one or two beam
Beam coding
External Device Monitoring (EDM)
Start/restart interlock
Note:
The external power supply must be capable of buffering brief
power failures of 20ms as specified in IEC 60204.
2-8
Presence Sensing Safety Devices
Safety Light Curtains
GuardShield Type 4
Product Selection
1. Safety Light Curtains—Standard System
The Allen-Bradley Guardmaster GuardShield safety light curtains are ordered as pairs⎯transmitter and receiver⎯and are shipped under one
part number. Each GuardShield transmitter and receiver is packaged with two right angle mounting brackets. After selecting the appropriate
light curtain pair, ensure that required interfaces and accessories are ordered as well.
Protected Height
mm (inch)
160 (6.3)
320 (12.6)
480 (18.9)
640 (25.2)
800 (31.5)
960 (37.8)
1120 (44.1)
1280 (50.4)
1440 (56.7)
1600 (63.0)
1760 (69.1)
Resolution
mm (inch)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
14 (0.55)
No.
Beams
16
32
48
64
80
96
112
128
144
160
176
Catalogue
Number
440L-P4J0160YD
440L-P4J0320YD
440L-P4J0480YD
440L-P4J0640YD
440L-P4J0800YD
440L-P4J0960YD
440L-P4J1120YD
440L-P4J1280YD
440L-P4J1440YD
440L-P4J1600YD
440L-P4J1760YD
Protected Height
mm (inch)
160 (6.3)
320 (12.6)
480 (18.9)
640 (25.2)
800 (31.5)
960 (37.8)
1120 (44.1)
1280 (50.4)
1440 (56.7)
1600 (63.0)
1760 (69.1)
Resolution
mm (inch)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
30 (1.18)
No.
Beams
8
16
24
32
40
48
56
64
72
80
88
Catalogue Number
440L-P4K0160YD
440L-P4K0320YD
440L-P4K0480YD
440L-P4K0640YD
440L-P4K0800YD
440L-P4K0960YD
440L-P4K1120YD
440L-P4K1280YD
440L-P4K1440YD
440L-P4K1600YD
440L-P4K1760YD
Note:
The GuardShield transmitter requires a 4-pin cable and the receiver requires an 8-pin cable.
2. Cordsets⎯2 Required (one for transmitter and one for receiver)
Female Connector (Sensor End)
Face View of Female
Transmitter
2 (6.5)
1 Brown
2 White
3 Blue
4 Black
5 (16.4)
22AWG
300V
3A
10 (32.8)
15 (49.2)
20 (65.6)
30 (98.4)
Receiver
1 White
2 Brown
3 Green
4 Yellow
5 Grey
6 Pink
7 Blue
8 Red
2 (6.5)
5 (16.4)
24AWG
36V DC/30V AC
1.5A
10 (32.8)
15 (49.2)
20 (65.6)
30 (98.4)
889D-F8AB-2
889D-F8AB-5
889D-F8AB-10
889D-F8AB-15
889D-F8AB-20
889D-F8AB-30
889D-F4AC-2
889D-F4AC-5
889D-F4AC-10
889D-F4AC-15
889D-F4AC-20
889D-F4AC-30
Connector Style
Pin/Wire Colour
Cable
Wire Rating
Length—m (ft)
Catalogue Number
1
4
2
3
Straight
1
7
6
8
5
2
3
4
Straight
2-9
Presence Sensing Safety Devices
Safety Light Curtains
GuardShield Type 4
Product Selection (continued)
5. Accessories⎯Optional
Description
Steel L-shaped end cap mounting bracket (4 per package)
440L-AF6101
Note:
Four brackets supplied with each GuardShield pair.
Catalogue Number
Aluminium middle mounting bracket for vibratory applications
440L-AF6108
Power supply: Output 24V DC, 3 Amps, 72W
1606-XLP72E
Laser Alignment Tool
440L-ALAT
Mounting Stand
440L-AMSTD
GuardShield Laser Alignment Tool Bracket
440L-AF6109
Mounting Stand—440L-AMSTD
Laser Alignment Tool
66.8 (2.63)
19.05 (0.75)
25.4
(1.0)
1828.8
(72)
63.5 (2.5)
62.48
(2.46)
11.1 (7/16) Dia.
12.19 (0.48)
4 (0.15)
Laser Alignment Tool (LAT)
—
440L-ALAT
12.7 (1/2) Dia.
19.05 (0.75)
17.78
(0.70)
4.29 (0.169) hole dia.
81° x 2.66 (0.105)
countersink
35.56 (1.4)
6.35
(0.25)
304.8
(12)
6.35 (0.25)
25.4
(1.0)
76.2
(3.0)
381.0
(15)
44.45 (1.75)
GuardShield LAT Bracket
—
440L-AF6109
2-11
Presence Sensing Safety Devices
Safety Light Curtains
GuardShield Type 4
Weld Shields
The GuardShield weld shields are sold as pairs in the same lengths as
the protective heights of the GuardShield safety light curtain.
These polycarbonate weld shields are designed as disposable devices
whose purpose is to protect the front window of the GuardShield
from damage.
3.0 (0.118)
Thick
37.3
(1.47)
49.5
(1.95)
R12 2X
10.16
(0.40)
L
R24
2X
GS Weld Shield
Catalog Numbers
440L-AGWS0160
440L-AGWS0320
440L-AGWS0480
440L-AGWS0640
440L-AGWS0800
440L-AGWS0960
440L-AGWS1120
440L-AGWS1280
440L-AGWS1440
440L-AGWS1600
440L-AGWS1760
Dimension “L”
mm (in)
175.3 (6.9)
335.3 (13.20)
495.3 (19.50)
655.3 (25.80)
815.3 (32.10)
975.4 (38.40)
1135.4 (44.70)
1295.4 (51.00)
1455.4 (57.30)
1615.4 (63.60)
1778 (70.00)
6. Corner Mirror for Multi-Sided Guarding
Specially constructed glass mirrors for 2 and 3 sided safeguarding
applications.
Note:
Each mirror reduces maximum scan range by 10% per mirror.
For GuardShield Models
160
320
480
640
800
960
1120
1280
1440
1600
1760
Mounting kit for mirrors. Each kit contains 1 bracket with fasteners. Order 2 kits per mirror.
Mounting stand for mirror and light curtains (see page 2-21)
Catalogue Number
440L-AM1200300
440L-AM1200450
440L-AM1200600
440L-AM1200750
440L-AM1200900
440L-AM1201050
440L-AM1201200
440L-AM1201350
440L-AM1201500
440L-AM1201650
440L-AM1201800
440L-AM120BRK
440L-AMSTD
2-12
NXP MCU
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