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| Safety Relays Monitoring Safety Relays Minotaur MSR121RT Specifications Standards EN 954-1, ISO 13849-1, IEC/ EN60204-1, IEC 60947-4-1, IEC 60947-5-1, ANSI B11.19, AS4024.1 Cat. 4 per EN954-1 (ISO 13849-1) C-Tick, CE marked for all applicable directives, cULus & BG 24V AC/DC, 115/230V AC 0.8-1.1 x rated voltage, 50/60Hz 4W 1 N.C., 2 N.C., Light Curtain or Safety Mat Infinite 45 ohms Auto./Man. or Monitored Man. 3 N.O. Safety, 1 N.C. Aux, 1 S.S. PNP Aux. AC-1: 8A/250V AC DC -1L 8A/24V DC A300 AC-15; 6A/250V AC, 6A/ 125V AC N300 DC-13; 3A/24V DC; 6A/24V DC @ 6 ops/min 20mA @ 24V DC See limit curve Max 10A in one current path 100,000 operations 500,000 operations 300,000 operations 100,000 operations 1,000,000 operations 2,000,000 operations 6A slow blow or 10A quick blow 10mA/10V AgSnO2 + 0.5Au 1s 15ms 20ms 100ms Green = Power on; Green = K1 Closed; Green = K2 Closed 2500V -5C to +55C (+23 to +131F) 90% RH IP40 (NEMA 1), DIN 0470 IP20, DIN 0470 Inputs & solid state output 2 0.2 - 4mm2 (24 - 12AWG) 35mm DIN rail 290g (0.64lbs) 370g (0.82lbs) 2,000,000 operations 10-55Hz, 0.35mm 10g, 16ms, 100 shocks Category Approvals Power Supply Power Consumption Safety Inputs Input Simultaneity Description The Allen-Bradley Guardmaster Minotaur MSR121RT is a safety monitoring relay that provides three normally open safety contacts, a normally open auxiliary contact and a solid state auxiliary output for use with interfacing to PLCs. The MSR121RT has a versatile input arrangement. It can be connected to a single or dual channel safety gate or e-stop, a safety mat input or a light curtain that provides cross fault detection. Reset and output monitoring is determined by the wiring configuration. Automatic/manual reset can use a jumper or can be used to check operation of external contactors. Monitored manual requires the use of a manually operated normally open momentary switch. The MSR121RT has 3 normally open safety rated outputs. The safety outputs have independent and redundant internal contacts to help ensure the safety function. It has one normally closed auxiliary output as well as a solid state PNP auxiliary output to indicate the status of the MSR121RT to a indicator lamp or a PLC. Max. Allowable Input Resistance Reset Outputs Output Utilization per IEC 60947-4-1 (Resistive) Output Utilization per IEC 60947-5-1 (Inductive) Output, Solid State Thermal Current (non switching) Electrical Life (w/Surge Supp.) 250V AC/6A/1500VA cos=1 250V AC/2.5A/625VA cos=1 250V AC/1.5A/375VA cos=0.35 250V AC/5A/1250VA cos=0.6 24V DC/2A/48W 10V DC/0.01A/0.1W Fuses, output external Min. Switched Current/Voltage Contact Material Power On Delay Response Time 24V DC 24/115/230V AC Recovery Time Indication LEDs Impulse Withstand Voltage Operating Temperature Humidity Enclosure Protection Terminal Protection Electronic Short Circuit Prot. Pollution Degree Conductor Size Mounting Weight 24V DC 110 and 230V AC Mechanical Life Vibration Features * * * * * * * * * Category 4 per EN 954-1 Stop category 0 3 Safety contacts N.O. 1 Auxiliary contact N.C. 1 Solid state PNP auxiliary contact Single/dual channel operation Cross fault monitoring Monitored or automatic reset E-stop, safety gate, safety mat or light curtain applications Contact Current Limit Curve current2 x number of contact paths, (A2) 200 180 160 140 120 100 80 60 40 20 0 0 10 20 30 40 50 60 Current over 3 contacts Current over 2 contacts Ambient Temperature (C) Shock See Output Ratings on page 1-29 for details. Consult factory for ratings not shown. 4-30 Safety Relays Monitoring Safety Relays Minotaur MSR121RT Product Selection Inputs 1 N.C., 2 N.C., Safety Mat or Light Curtain Safety Outputs Auxiliary Outputs 1 N.C. 1 S.S. PNP Power Supply 24V AC/DC 3 N.O. 115V AC 230V AC Catalogue Number 440R-J23102 440R-J23100 440R-J23099 Dimensions--mm (inches) Block Diagram A1 (+) S11 S52 S12 Y31 Y32 13 13 23 23 33 33 41 41 87 (3.42) 109.5 (4.31) K1 K2 MSR121RT 14 24 34 42 S21 (PE) 45 (1.77) 75 (2.95) S22 X5 S33 S34 14 24 34 42 A2 (-) 4.5 (0.17) Typical Wiring Diagrams + 24VDC L1 +24V DC Light curtain Out 1 Out 2 L1 L2 L3 L1 L2 L3 A1 S11 S12 S52 X5 Y31 13 23 33 41 Safety Mat K1 K2 A1 S11 S52 S12 X5 Y31 13 23 33 41 K1 MSR121RT MSR121RT PE A2 S21 S22 S34 S33 Y32 14 24 34 42 PE A2 S21 S22 S34 S33 Y32 14 24 K2 34 42 Reset N K1 K2 M Ground Reset K1 K2 M 24V DC Light Curtain, 115/230V AC Safety Relay, Monitored Manual Reset, Monitored Output +24V DC Safety Gate Safety Mat Monitored Manual Reset, Monitored Output +24V DC E-Stop L1 L2 L3 A1 S11 S52 S12 X5 Y31 13 23 33 41 K1 MSR121RT Closed L1 L2 L3 A1 S11 S12 S52 X5 Y31 13 23 33 41 K1 MSR121RT PE A2 S21 S22 S34 S33 Y32 14 24 K1 K2 K2 34 42 K2 PE A2 S21 S22 S34 S33 Y32 14 24 34 42 M Ground Ground Reset K1 K2 M Dual Channel E-Stop, Monitored Manual Reset, Monitored Output Single Channel Safety Gate, Automatic Reset, No Output Monitoring 4-31 |
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