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Download SR103 Datasheet
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Safety Monitoring Relays SR103AM SR103AM Dual-Channel Safety Monitoring Relay • Power requirements—the SR103AM will accept 24 VAC/DC or 115 VAC • Inputs—the SR103AM will accept single or dual N/C inputs or dual inputs from a light curtain (see SR102AM for application wiring for a light curtain) • Outputs—the SR103AM has 3 N/O outputs to route power to the coils of power contactors, plus 1 N/C auxiliary output for signaling purposes • External Device Monitoring (EDM) is provided with a N/C loop between S11/S12 and S21 on the SR103AM • Monitored manual or automatic/manual reset modes are available on the SR103AM. Monitored manual reset requires closure of the reset circuit followed by opening of the circuit. Reset occurs when circuit is opened. Auto reset requires only closure of the reset circuit as reset occurs when circuit is closed. r C Specifications I Electrical Power Supply: Power Consumption: Safety Inputs: Max Input Resistance: Outputs: Output Rating AC: Output Rating DC: Min Switched Current/Voltage: Impulse Withstand Voltage: Max Drop-Out Time: Max Output Fuse: Reset Mode: Contactor Monitoring: Mechanical Mounting: Case Material: Max Wire Size: Weight: Color: External Switches: Indication: Mechanical Life: Environmental Enclosure Protection: Operating Temperature: All Models SR103AM01 SR103AM02 ±10%, 50-60 Hz 24 VAC/DC 115 VAC Approx. 1 VA 1 N/C or 2 N/C or 2 solid state (light curtain) 800 Ohms per channel 3 N/O + 1 N/C auxiliary Inductive AC-15, 3 A/230 VAC Inductive DC-13, 2 A/24 V 10 mA/10 V 2500 V 12 ms (75 ms by removing supply voltage) 6 A quick-acting or 4 A slow-acting Monitored manual (S11-S21) or automatic/manual (S12-S21) N/C loop S11/S12-S21 35 mm (1.38 in.) DIN rail Fiber-filled Polyamide PA6.6 1 x 2.5 mm 2 (14 AWG) stranded 230 g (8.1 oz.) Red None Green = K1 Closed, Green = K2 Closed 1 x 10 7 operations IP20 terminals, IP40 (NEMA 1) housing 24 VAC/DC: -15 to 40°C (5 to 104°F) 115 VAC: -15 to 40°C (5 to 104°F) 93% RH at 104°C (219°F) Humidity: Compliance Standards: EN 60204-1, EN 954-1, VDE 0113-1 Approvals/Listings: CE marked for all applicable directives, UL and C-UL, TÜV Rheinland Safety Category: Cat. 4 per EN954-1 (SR103 internal operation) Specifications are subject to change without notice. Note: The safety contacts of the Omron STI switches are described as normally closed (N/C)—i.e., with the guard closed, actuator in place, and the machine able to be started. I50 US Conforms to EN60204-1, EN954-1, VDE 0113-1 UL and C-UL listed TÜV Rheinland approved Omron Scientific Technologies, Inc. USA Tel. 1/888/510-4357 Canada Tel. 1/866/986-6766 For the Latest Information On the Internet: www.sti.com SR103AM Safety Monitoring Relays Application 24VAC/DC, 110VAC K1 (AUX) START MOMENTARY PUSH BUTTON EB SERIES LATCHING E-STOP BUTTON GUARD CLOSED A1 11 12 21 22 S11 S14 13 RESET 23 33 MOMENTARY PUSH BUTTON 41 K1 Relay control and fault monitoring Power supply (S11 = 24 V) 33 STOP MOMENTARY PUSH BUTTON S12 S21 L1 L2 L3 K2 (AUX) + K2 K2 34 CONTACT PROTECTION E.G. THERMAL CUT OUT + K1 T5009 INTERLOCK SWITCH SR103AM A2 S10 S13 14 24 34 M 42 FUSE FUSE K1 K2 I a full explanation of the circuit operating principle and fault detection, ✎ For see “Common Circuit Examples” in The Safety Library Section of this catalog on page A62 Output Contact Arrangements Terminal Pin Assignments 14 S12 A1 13 24 S13 S11 23 34 S10 S14 33 42 A2 S21 41 SR103AM Terminal Connections 13 A1 SUPPLY 23 S13 SAFETY OUTPUT 1 N/O A2 INPUT #1 N/C SAFETY OUTPUT 2 N/O S10 14 33 S11 INPUT #2 N/C SAFETY OUTPUT 3 N/O S12 24 Omron Scientific Technologies, Inc. USA Tel. 1/888/510-4357 Canada Tel. 1/866/986-6766 41 S21 EDM AND RESET AUXILIARY SIGNALING N/C S12 34 For the Latest Information On the Internet: www.sti.com 42 I51 SR103AM Safety Monitoring Relays Block Diagram A1 S11 S21 A2 A2 L1 S10 33 41 14 24 34 42 K1 + DC +U B 0V AC 23 + Pin assignment A1 13 Relay control and fault monitoring Power supply (S11=24V) UB S14 S12 K2 N S13 Dimensions (mm/in.) SR103AM 114 4.5 22.5 0.885 I 99 3.9 35 DIN RAIL MOUNTING 1.38 Ordering Model Supply Inputs Outputs Auxiliary Part No. SR103AM01 24 VAC/DC 2 N/C 3 N/O 1 N/C 44510-1031 SR103AM02 115 VAC 2 N/C 3 N/O 1 N/C 44510-1032 I52 = Highlighted Rapid Delivery products are available for shipment today or within FIVE days. Omron Scientific Technologies, Inc. USA Tel. 1/888/510-4357 Canada Tel. 1/866/986-6766 For the Latest Information On the Internet: www.sti.com