Safety Monitoring Relays SR105E Safety Expansion Unit Power requirementsthe SR105E will accept 24 VAC/DC Outputsthe SR105E has 3 N/O outputs to route power to the coils of power contactors plus 1 N/C auxiliary output for monitoring by the safety monitoring relay Expander capabilitythe SR105E may be used with any other SR Series relay to expand the total available number of N/O outputs to power contactors R C US Conforms to EN60439-1, EN60947-1/5/7, EN61000-6, EN62061, EN ISO 13849-1 UL and C-UL listed Specifications TV Rheinland approved Electrical All Models Power Supply: 10%, 50-60 Hz, 24 VAC/DC Power Consumption: Approx. 1 VA Relay Outputs: 3 N/O + 1 N/C auxiliary monitoring for safety monitoring relay Output Rating AC: Inductive AC-15, 4 A/230 V Output Rating DC: Inductive DC-13, 2 A/24 V Min Switched Current/Voltage: 20 mA/24 V Impulse Withstand Voltage: 2500 V Max Drop-Out Time: 12 ms (75 ms by removing supply voltage) Max Output Fuse: 6 A quick-acting or 4 A slow-acting Mechanical Mounting: 35 mm (1.38 in.) DIN rail Case Material: Fiber-filled Polyamide PA6.6 2 Max Wire Size: 1 x 2.5 mm (14 AWG) stranded Weight: 230 g (8.1 oz.) Color: Red External Switches: None Indication: Green = K1 Closed, Green = K2 Closed 7 Mechanical Life: 1 x 10 operations Environmental Enclosure Protection: IP20 terminals, IP40 (NEMA 1) housing Operating Temperature: 24 VAC/DC: -15 to 60C (5 to 140F) 115 VAC: -15 to 40C (5 to 104F) Humidity: 93% RH at 104C (219F) Compliance Standards: EN60439-1, EN60947-1/5/7, EN61000-6, EN62061, EN ISO 13849-1 Approvals/Listings: CE marked for all applicable directives, UL and C-UL, TV Rheinland Reliability Data per EN ISO 13849-1: Cat 4, PLe, PFHd 1.19E-08 Specifications are subject to change without notice. Note: The safety contacts of the 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. www.omron247.com 1SR105E Safety Monitoring Relays Application 24VAC/DC, 110VAC L1 L2 L3 L1 L2 L3 K1 (AUX) RESET K2 (AUX) START MOMENTARY K3 (AUX) MOMENTARY PUSH PUSH EB SERIES K4 (AUX) BUTTON BUTTON LATCHING K3 E-STOP STOP MOMENTARY BUTTON PUSH BUTTON K4 S23 S11 GUARD A1 S21 S12 S14 13 23 S15 S24 A1 S11 S16 13 23 33 CLOSED Relay control and Power supply Power supply 11 21 33 fault monitoring (S11 = 24 V) (S11 = 24 V) + + K1 12 22 34 M K2 K1 + + K2 T5009 INTERLOCK K1 K2 SWITCH SR102AM SR105E A2 S10 S13 14 24 A2 S10 14 24 34 FUSE FUSE FUSE FUSE M K1 K2 K3 K4 Output Contact Arrangements Terminal Pin Assignments 14 S23 A1 13 24 S24 S11 23 34 S10 S15 33 A2 S16 SR105E Terminal Connections 13 23 33 A1 S11 S23 INPUT FROM SAFETY SAFETY SAFETY AUXILIARY SAFETY SUPPLY OUTPUT 1 OUTPUT 2 OUTPUT 3 MONITORING MONITORING N/O N/O N/O N/C RELAY A2 S24 S16/S15 14 24 34 2 www.omron247.com CONTACT PROTECTION e.g. THERMAL CUT OUT CONTACT PROTECTION e.g. THERMAL CUT OUT