Specifications
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Publication S117-CA001A-EN-P
Presence Sensing Safety Devices
POC Type 4 Safety Light Curtains
2-15
GuardShield
GeneralPrinciples
2-Opto-electronics
Safety SwitchesOperator
Interface
LogicPower
R
Features
Standard GuardShield
Fixed blanking—teachable
Floating blanking
− One-beam floating blanking on 30 mm resolution
− Two-beam floating blanking on 14 mm resolution
Beam coding
External Device Monitoring (EDM)
Start/restart interlock
M12 quick-disconnect connectors
160 to 1760 mm in 160 mm increments
Standard GuardShield can be used as last segment pair in a
cascading system
Specifications
Safety Ratings
Standards
IEC/EN 61496 Parts 1 & 2, UL 61496
Parts 1 & 2, UL 1998
Safety Classification
Type 4 per IEC/EN61496. Category 4
device per EN 954-1, SIL 3 per IEC 61508,
PLe per EN/ISO 13849
Certifications
cULus, UL 61496, UL 1998, TÜV, and CE
Marked for all applicable directives
Power Supply
Input Power, Max. 24V DC ±20%
Maximum Residual Ripple 0.05 Vss
Power Consumption 0.4 A max (no load)
Outputs
Safety Outputs 2 OSSD, 0.5 A, short-circuit protected
Non-Safety Outputs Auxiliary output, 0.5 A max.
Output Voltage, Min. (Uv) - 2V
Switching Current @ Voltage,
Min.
500 mA @ 24V DC
Operating Characteristics
Response Time
14 mm; 160 mm…1440 mm 20 ms, 1600
mm and 1760 mm, 25 ms. 30 mm; 20 ms.
Add 10 ms when beam coding activated.
Status Indicators
ON State, OFF State, Blanking, Alignment,
Interlock
Protected Height [mm (in.)] See Product Selection tables.
Resolution [mm (in.)] 14 (0.55) or 30 (1.18)
Scanning Range/Resolution
0.3…7 m / 14 mm (0.98…22.9 ft / 0.55 in.)
0.3…16 m / 30 mm (0.98…52 ft / 1.18 in.)
Synchronization Optical, first beam adjacent to LEDs.
Wavelength 870 nm
Environmental
Enclosure Type Rating IP65
Relative Humidity 15…95% (noncondensing)
Operating Temperature [C (F)] -10…55° (14…131°)
Vibration
IEC60068-2-6: Frequency 10…55 Hz;
Amplitude: 0.35 mm (0.01 in.)
Shock
IEC60068-2-29: Acceleration 10 g, pulse
duration 16 ms 10…55 Hz
Physical Characteristics
Mounting End-cap brackets supplied
Weight Varies by protective height
Housing Cross Section 40 mm x 50 mm (1.57 in. x 1.96 in.)
Connection Type
Transmitter: 4-pin M12 micro QD; Receiver:
8-pin M12 micro QD
Cable Length 30 m (100 ft) max.
Standard GuardShield with Integrated Laser Alignment
Fixed blanking—teachable
Floating blanking
Beam coding
M12 quick-disconnect connectors
Ease of alignment at installation with visible laser alignment
320…1600 mm in 160 mm increments
14 and 30 mm resolutions
Remote Teach GuardShield
Three-position momentary key switch
IP65 rated key switch box
Y connector for quick-disconnect connections
Standard GuardShield cables
Allows quick and efficient reteaching of fixed blanked areas
160 to 1760 mm in 160 mm increments
Easy to interconnect light curtains up to three 1760 mm segment
pairs
No increase in system response time
ArmorBlock Guard I/O GuardShield
Cascadable GuardShield System
Fixed blanking—teachable
Floating blanking
Up to three cascading pairs can connect to ArmorBlock Guard I/O
Beam coding
M12 quick-disconnect connectors
DeviceNet safe network connectivity
320…1600 mm in 160 mm increments