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| Safety Relays Stop Motion Monitors CU2 Specifications Standards EN 954-1, ISO 13849-1, IEC/EN 60204-1, IEC 60947-5-1, ANSI B11.19, AS4024.1 Cat. 1 per EN 954-1 (ISO13849-1) C-Tick, CE marked for all applicable directives, cULus & TUV 24V AC/DC or 110/230V AC < 4VA 1 NPN and 1 PNP, normally open 500 Automatic/Manual 2 N.O. Safety; 1 N.C. Auxiliary B300 AC-15 5A/250V AC, 5A/125V AC N300 DC-13 3A/24V DC 0.1s to 40min. 500mA time lag 5A quick acting 10mA/10V 90ms Red = Power on Red/Green = Timing/Output on 2500V -10C to +55C (+14F to +131F) 90% RH IP40 (NEMA 1), DIN 0470 IP20, DIN 0470 1 x 2.5mm2 (14AWG) stranded 1 x 4mm2 (12AWG) solid C in accordance with VDE 0110 3 1Nm (8lbin) Red Polycarbonate 35mm DIN rail 360g (0.79lbs) 100,000 operations 500,000 operations 1,000,000 operations 2,000,000 operations 2,000,000 operations 0.75mm (0.30in) peak, 10-55Hz 30g, 11ms half-sine Category Approvals Power Supply Power Consumption Inputs Maximum Input Resistance Reset Outputs Output Utilization per IEC 60947-5-1 (Inductive) Description The CU2 control unit is a compact timing and stop motion detector interface module. By utilizing two independent inductive proximity inputs which monitor the movement of two metal parts of the machine (e.g., sprockets, cams or linkages), the control unit detects when hazardous motion has ceased. When the hazardous motion has stopped the unit will send a signal to unlock guard locking devices. It has been developed to integrate guardlocking interlock switches on machines which have variable or unpredictable run down cycles. A removable cover allows access to the DIP switches and potentiometer which control the timing. The on-delay may be adjusted between 0.1 seconds to 40 minutes, through a series of 4 broad time ranges. The final adjustment is made by a potentiometer. The Y1/Y2 terminals provide a check of contactors at machine power up. This is only relevant to certain special applications. For normal use these terminals should be linked. After all motion has ceased, the N.O. safety on contacts close, which may be used to energize electrically operated solenoid locking guard switches. In addition the N.C. contacts open to indicate the unit's status. LED indication in the unit displays power, timer on, and outputs. Timed Off-Delay Fuses Input (external) Output (external) Max. Switched Current/Voltage Maximum Dropout Time Indication LEDs Impulse Withstand Voltage Operating Temperature Humidity Enclosure Protection Terminal Protection Conductor Size Installation Group Pollution Degree Torque Settings--terminal screws Case Material Mounting Weight Electrical Life 220V AC/4A/880VA/cos=3.5 220V AC/1.7A/375VA/cos=0.6 30V DC/2A/60W 10V DC/0.01/0.1W Mechanical Life Vibration Shock Features * * * * * * Category 1 per EN 954-1 Stop category 1 NPN and PNP Inputs Timed off-delay 0.1s to 40 min. 2 N.O. Safety Outputs 1 N.C. Auxiliary Output See Output Ratings on page 1-29 for details. Consult factory for ratings not shown. 4-66 Safety Relays Stop Motion Monitors CU2 Product Selection Description Sensor Voltage Sensor Size 12mm Controller and Sensors 24V DC Supplied by Control Unit 18mm 30mm Sensing Distance 3mm 5mm 10mm Control Unit Voltage 24V AC/DC 110/230V AC 24V AC/DC 110/230V AC 24V AC/DC 110/230V AC Catalogue Number 440R-S07279 440R-S07280 440R-S07281 440R-S07282 440R-S07283 440R-S07284 Accessories Description Control Unit only Voltage 24V DC 110/230V AC Size 45mm 12mm Sensor only 24V DC Supplied by Control Unit 18mm 30mm Replacement Fuse page 14-6 Output Type 2 N.O. & 1 N.C. NPN PNP NPN PNP NPN PNP Catalogue Number 440R-S07139 440R-S07140 872C-D3NN12-E2 872C-D3NP12-E2 872C-D5NN18-E2 872C-D5NP18-E2 872C-D10NN30-E2 872C-D10NP30-E2 440R-A31562 Dimensions--mm (inches) Block Diagram 120 (4.72) 45.5 (1.79) A1 A2 K1 K2 K2 R K3 K2 Y1 Y2 Brown Black Blue NPN 13 23 K1 K2 K1 Q1 K2 31 F1 110/230 K3 73 (2.87) G ~ 24VDC Logic K3 Timer 35mm DIN Rail Mounting Brown Black Blue PNP 14 24 32 Typical Wiring Diagrams 24V DC K1 (aux) Start Stop Guard Closed & Locked A1 42 41 12 22 K2 (aux) L1 L2 L3 Proximity Sensor TLS1-GD2 54 53 34 33 A1 N P N 13 23 31 Y1 K2 A2 CU2 A2 P N P 14 24 32 Y2 K2 11 K1 21 M Ground K2 Proximity Sensor Aux Guardlocking Safety Gates, Motion Sensors, Delayed Gate Release, Automatic Reset, Monitored Output 4-67 Safety Relays Stop Motion Monitors CU2 Sensor Details Specifications Standards Approvals Operating Voltage Sensing Distance Correction Factors Mild Steel Stainless Steel Brass Aluminium Copper Load Current Outputs Leakage Current IEC60947-5-2 CE marked for all applicable directives and cULus 10-30 DC 2mm, 5mm or 10mm 1.0 0.7 - 0.8 0.4 - 0.5 0.3 - 0.4 C - 0.3 200mA NPN or PNP normally open 10mA 1.64V 2% 10% typical Red = Output energized -25C to +70C (-13F to +158F) 95% RH NEMA 1, 2, 3, 4, 6P, 12, 13, IP67 False pulse on power, transient noise, reverse polarity short circuit, overload. 3 x 1mm2 (18AWG) stranded 2mm2 (14AWG) Plastic faced, nickel plated brass barrel M12, M18 or M30 Flush fitting (shielded sensing) 30g, 11ms half sine 1mm peak, 10 - 55Hz Description Bulletin 872C WorldProx inductive proximity sensors are selfcontained, general purpose, solid-state devices designed to sense the presence of ferrous and nonferrous metal objects without touching them. The switch body consists of a plastic face and a nickel-plated brass barrel. It meets NEMA 1, 2, 3, 4, 6P, 12, 13 and IP67 (IEC529) enclosure standards. The electronic circuitry is fully potted for protection against shock, vibration, and contamination. The CU2 is designed to operate with one normally-open NPN and one normally-open PNP inductive proximity sensor. The sensors translucent end caps which glow when the LED indicator is on, and is visible from almost every angle. The sensors contained in this section are some of the more popular size inductive proximity sensors. See the Rockwell Automation/AllenBradley Sensors catalogue for an extensive range of proximity sensors. Voltage Drop Repeatability Hysteresis Indication LED Operating Temperature Humidity Enclosure Protection Electrical Protections Cable Size Cable Length Case Material Mounting Shock Vibration Dimensions--mm (inches) See Output Ratings on page 1-29 for details. Consult factory for ratings not shown. A 360 Visible LED C B 2m (6.5ft) mm (inches) Thread Size M12 x 1 M18 x1 M30 x 1 Yes Shielded A 12 (0.47) 18 (0.71) 30 (1.18) 50.8 (2.00) 46.7 (1.84) B (max) C (min) 4-68 Safety Relays Stop Motion Monitors CU2 Sensor Details Application Details Application Accessories PNP and NPN Inductive Sensors for use with CU2 General time settings via DIP switches Adjustable Time Delay DIP switches general time setting and the potentiometer fine tunes the time settings. Easy access 500mAT replaceable fuse. Sensors detect when motion has ceased by monitoring two targets on moving metal parts. When motion has ceased the CU2 begins timing down. Once preset time limit has been passed the CU2 sends a signal allowing locked guard to be opened. NPN Inductive Sensor PNP Inductive Sensor A 12 <1 sec. to 10 secs. C 1 B 2 1 sec. to 39 secs. D 2 48 secs. to 41mins. 12 6 secs. to 5 mins. 10 secs. 1 Fine adjustment time setting via potentiometer A C 6mm max Rotary movement of machine 6mm max Fully CCW Maximum B D Fully CW Minimum CU1 remote indication unit: A remote indication unit to indicate the status of the circuit can be connected to the CU 1s R1, R2 and R3 connections. Typical Wiring Diagrams NPN (Sinking) PNP (Sourcing) + 10-30V DC Brown - + 10-30V DC Brown + - + Load Black Blue Black Load Blue 4-69 |
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