Safety Monitoring Relays SR223SMT Safety Module Timer Unit Power requirementsthe SR223SMT will accept 24 VAC/DC or 115 VAC Delayed outputsthe SR223SMT has 1 N/O on-delay output, plus 2 N/C off-delay outputs (selectable from 1 second to 31 seconds) to provide delayed unlocking of solenoid locking switches the delay time begins when power is applied to the SR223SMT Monitoring outputsthe SR223SMT has 2 solid-state signaling outputs External Device Monitoring (EDM) is provided with a N/C loop between Y1 and Y2 on the SR223SMT Diagnostic LEDs provide status inducation of supply power, safety outputs, feedback loop, and time delay R C US C US Conforms to EN60947-1/5, EN61000-6, EN62061, EN ISO 12100-2, EN ISO 13849-1/2 Specifications UL and C-UL listed CSA and TV Rheinland approved Electrical All Models SR223SMT01 SR223SMT02 Power Supply: 10% 24 VAC/DC 115 VAC Power Consumption: 4.3 VA/2.3 W 6.5 VA Internal Fuse: Electronic Safety Inputs: None Relay Outputs: 1 N/O + 2 N/C switched at preset time delay (1-31 sec.) Auxiliary Outputs: 2 solid state for signaling Max. Switched AC: Inductive AC-15, 1800 VA inrush, 180 VA maintained Max. Switched DC: Inductive DC-13, 1.5 A/24 V Min Switched Current/Voltage: 10 mA/17 V (provided that the contact has never been used with higher loads) Impulse Withstand Voltage: 4000 V Max Drop-Out Time: n/a Max Output Fuse: 4 A slow-acting or 6 A fast-acting Reset Mode: Time function is reset only by interrupting the supply voltage External Device Monitoring (EDM): N/C loop between Y1 and Y2 Mechanical Mounting: 35 mm (1.38 in.) DIN rail Case Material: Polyamide PA6.6 Max Wire Size: 2 x 1.5 mm (16 AWG) stranded Weight: AC version: 360 g (12.7 oz.) DC version: 250 g (8.8 oz.) Color: Red with black body External Adjustment: Time delay via 2 potentiometers Indication: Green: Power on, Green: Outputs activated Green: Feedback closed, Green: Timer activated Environmental Enclosure Protection: IP20 terminals, IP40 (NEMA 1) housing Specifications are subject to Operating Temperature: -10 to 55C (14 to 131F) change without notice. Note: The safety contacts of the STI Compliance switches are described as normally Standards: EN60947-1/5, EN61000-6, EN62061, EN ISO 12100-2, EN ISO 13849-1/28 closed (N/C)i.e., with the guard Approvals/Listings: CE-marked for all applicable directives, UL and C-UL, CSA, TV Rheinland closed, actuator in place, and the Reliability Data machine able to be started. per EN ISO 13849-1: Cat. 3, PLd, PFHd 1.30E-07 www.omron247.com 1SR223SMT Safety Monitoring Relays Application L1 (+) L1 L1 L2 L2 F1 L3 L3 FM2 FM1 KM1 K3 S1 A1 Y1 Y2 17 25 35 KM1 SR223SMT LOGIC Y1 K2 - + 12 T FM2 115 V S2 K2 230 V PE PE K3 K1/K2 F OK A2 PE Y53 Y54 Y64 18 26 36 KM1 S3 S4 H1 M K3 KM1 Y1 To PLC 3 N (-) Operation A1 A1 ++ X1 R1 X1 R1 13 13 23 3123 31 MADE IN THE ECMADE IN THE EC POWERPOWER SMT01SMT01 OUTPUTOUTPUT Failsafe TimerFailsafe Timer EN 60204EN 60204 BS EN 292BS EN 292 A2 A2 ---- X1 R2 R3 X1 R2 R3 13 13 23 3123 31 Stop signal SR223SMT times down to a Guard locking switch unlocks guard to SR223SMT preset time then signals guard allowing safe access to machine locking switch to unlock Power is applied to SR223SMT Terminal Connections A1 Y1 17 25 35 Y54/64 DELAYED DELAYED DELAYED AUXILIARY FEEDBACK POWER SAFETY OUTPUT SAFETY OUTPUT SAFETY OUTPUT SOLID STATE LOOP 1 (N/O) 2 (N/C) 3 (N/C) SIGNALING A2 Y2 18 26 36 Y53 2 www.omron247.com U U V V W W PE PE 96 95 98 97 +24 V 14 13 22 21 52 51 22 21 14 13