Safety Light Curtain User guide

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