Safety edges & Bumpers SCC Safety edge controllers Single and Dual-channel Safety edge controllers for use with All Safety edges and Safety Bumpers • Power requirements – 120 VAC or 24 VDC is acceptable for the SCC-1224 single channel units – 24 VDC is acceptable for SCC-2124/2224 dual channel units • Inputs – Single channel units accept a single two-wire edge or bumper system – Dual channel units accept 1 or 2 two-wire edge or bumper systems • Outputs – Single channel units have two safety outputs and one auxiliary output e for signaling – Dual channel units have either 1 or 2 safety outputs, and either 1 or 2 auxiliary outputs with DIP switch selection for input channel relationship • External Device Monitoring –EDM is provided on all units with a N/C loop between Z1 and Z2 • Monitored Reset Modes – Monitored manual reset mode that requires closure of the reset circuit followed by opening of the circuit is available on all units – Automatic reset mode that occurs upon closure of the reset circuit is available on all units • Delayed Auxiliary Output – Delayed opening of the auxiliary output for reversal of a door or gate may be selected on all units except SCC1224ND OmrOn Scientific technOlOgieS, inc. For the Latest Information e14 USA Tel. 1/888/510-4357 canada Tel. 1/866/986-6766 On the Internet: www.sti.com Safety edge controllers Safety edges & Bumpers Specifications Scc-1224 & Scc-1224nD Din mount, Scc-2124 Din mount, Scc-2224 Din mount, 115 VAc or 24 VAc/Dc Single input, 24 VDc Dual independent inputs, 24 VDc Dual independent inputs, Safety Output and Aux. Single Safety Output and Aux. Safety Outputs and Auxs. Performance Category 3 Safety Device: Yes Operating Area: Up to 5 sensing devices with a total Up to 5 sensing devices with a total cable length of max. 25 m in series cable length of max. 25 m in series Response Time: < 13 msec. < 2 ms Indications: Power – Main power supply = Green Power – Main power supply = Green Power – Main power supply = Green Actuate – Edge is depressed = Yellow CH1 – Edge is depressed = Yellow CH1 – Edge is depressed = Yellow Fault – CH2 – Edge is depressed = Yellow CH2 – Edge is depressed = Yellow Detect an irregular signal = Red Aux. Relay 1 – Aux. Relay 1 – Aux. Actuate – Activate Aux. output = Orange Activate Aux. output = Orange Activate Aux. output = Orange Aux. Relay 2 – Activate Aux. output = Orange Operational Modes Automatic Start (Selectable): Start/Restart Interlock e electrical Power Input: 115 VAC, 50/60 Hz, 3 VA or 24 24 VAC/DC ± 10%, 1 W VAC/DC ± 10%, 1.5 W Safety Output: 2 N/O Relay 1 N/O Relay 2 N/O Relay (13 = input + 24 VDC, +10/-50%) (+24 VDC Internally Connected) Maximum Switched Current: 4 A, 250 VAC / 4 A, 30 VDC 2 ADC, 10 to 26.4 VDC 2 ADC, 10 to 26.4 VDC Auxiliary Relay Output: SCC-1224: Activates after approx. 1 s 1 N/O 2 N/O for approx. 3 s if the sensing device is When using the NO DELAY When using the NO DELAY actuated or faulty; function, the auxiliary relay switches function, the auxiliary relay switches SCC-1224ND: Activates if the sensing synchronously with the safety edge synchronously with the safety edge device is actuated or if a sensing actuation actuation device fault is detected Maximum Switched Current: 4A, 250 VAC / 4A, 30 VDC 2A AC/DC, 50 V AC/DC 2A AC/DC, 50 V AC/DC Terminal Blocks: Cage Clamp Terminal Strip 2 Wire Size 0.75-1.5 mm Input Connections: 1-2 wire edge sensor circuit Input Resistance: 8.2 K ohm Input Voltage: 6 V ±2% Input Current: 1 mA mechanical Enclosure: Polyamide PA6.6, Self-extinguishing in accordance with UL-94-V2 Mounting: 35 mm DIN rail environmental Protection Rating: IP20 Operating Temperature: -20 to 55°C (-4 to 131°F) Shipping Weight: 210 g (7.4 oz.) 160 g (5.6 oz.) Standards Conformity: CE, TUV Designed to Meet or Exceed: Category 3, EN13849-1 Specifications are subject to change without notice. OmrOn Scientific technOlOgieS, inc. For the Latest Information e15 USA Tel. 1/888/510-4357 canada Tel. 1/866/986-6766 On the Internet: www.sti.com Safety edge controllers Safety edges & Bumpers Dimensions (mm/in.) Z1 Z2 S11 S12 Y1 Y2 Y1 Y2 41 42 B1 B2 X1 X2 X1 X2 31 32 X1 X2 31 32 Power Power Power Actuate CH1 CH1 Fault CH2 CH2 99 99 Aux. Relay Aux. Relay Aux. Relay 1 3.90 3.90 Aux. Relay 2 SCC-1224 SCC-2124 SCC-2224 A1 A2 31 32 0V +24 13 14 0V +24 24 14 13 14 23 24 S11 S12 Z1 Z2 S11 S12 Z1 Z2 e 22.5 114 0.89 4.49 installation mounting SCC-1224 and SCC-1224ND SCC-2124 and SCC-2224 Safety Auxiliary The SCC controllers Manual Reset Manual Reset Edge 2 Output 2 Pushbutton Select Connection (N/O) are DIN rail mounted. Z1 Z2 Y1 Y2 41 42 S11 S12 Power Power Z1 Z2 S11 S12 Y1 Y2 41 42 24 V Supply On = Green 24 V Supply On = Green Wiring Internal Self-Test Error = Red B1 B2 X1 X2 Actuate X1 X2 31 32 As with any electri- Sensing Device Actuated = Yellow CH1 Safety Edge Active = Yellow cal apparatus, caution Fault Safety Circuit Interrupted = Red must be used when Safety Circuit Interrupted = Red CH2 installing, connecting Aux. Relay Safety Edge Active = Yellow B2 B1 X2 X1 X2 X1 32 31 Alarm Relay Switch = Yellow Safety Circuit Interrupted = Red and operating the Power Power Supply Connection Safety Auxiliary Voltage to Safety Edge 1 Output 1 SCC controllers and Actuate CH1 Aux. Relay 1 24 VDC Contact Connection (N/O) Aux. Output Active = Orange Input safety edges. Please Fault CH2 Safety Output 2 +24 VDC Internally Aux. Relay 2 observe all local Aux. Relay Aux. Relay 1 Connected Aux. Output Active = Orange electrical codes. Supply Aux. Relay 2 on SCC-2224 only Auxiliary Supply 24 Voltage Voltage Relay 24 VDC ±10% 120 VAC Contact Safety Output 1 +24 VDC Internally A1 A2 32 31 0V +24 Connected 14 SCC-1224 SCC-2224 A1 A2 31 32 0V +24 24 14 13 14 23 24 S11 S12 Z1 Z2 13 14 23 24 S11 S12 Z1 Z2 Manual Reset Pushbutton Safety Safety Closed for Auto Reset Factory Installed Connection (EDM) Output 1 Output 2 Open for Manual Reset Jumper Ordering Description model number Part number Single-Channel Safety Edge Din-Mount Controller for use with all safety edges, 120 VAC or 24 VDC; SCC-1224 43872-0020 Auxiliary contact closes on activation of safety edge for 2 to 3 seconds then opens (even if edge remains activated) Single-Channel Safety Edge Din-Mount Controller for use with all safety edges, 120 VAC or 24 VDC; SCC-1224ND 43872-0021 Auxiliary contact closes when the edge is activated and remains closed as long as the edge is activated Dual-Channel Safety Edge Din-Mount Controller for use with all safety edges, 24 VDC; SCC-2124 43872-0040 One safety output and one auxiliary output dip switch selectable for delayed opening Dual-Channel Safety Edge Din-Mount Controller for use with all safety edges, 24 VDC; SCC-2224 43872-0050 Two safety outputs and two auxiliary outputs dip switch selectable for delayed opening For information on For information on ✎ ✎ Safety Edges, see page E2 Safety Bumpers, see page E12 OmrOn Scientific technOlOgieS, inc. For the Latest Information e16 USA Tel. 1/888/510-4357 canada Tel. 1/866/986-6766 On the Internet: www.sti.com