Proximity Sensors Inductive Namur Amplifier Relays Types SD 110, SD 210, SD 170, SD 270 According to DIN 19 234 SD 110/210: Amplifier with relay output SD 170/270: Set/reset amplifier with relay output for 2 proximity switches Power supply to proximity switch 8.2 VDC/1 k Galvanically separated output relay Load: 10 A SPDT or 8 A DPDT relay LED-indication for output ON AC or DC power supply Product Description Ordering Key SD 110 024 Namur amplifier relay for in- Short circuit and cable failure Housing ductive or capacitive Namur monitoring. Mounting socket Output type proximity switches. Single type S 411. Power supply amplifier, set-reset functions. Type Selection Namur Amplifier Relay Set-reset Amplifier for 2 Namur Proximity Switches Plug Supply 10 A SPDT relay 8 A DPDT relay 10 A SPDT relay 8 A DPDT relay Circular 24 VAC SD 110 024 SD 210 024 SD 170 024 SD 270 024 115 VAC SD 110 115 SD 210 115 SD 170 115 SD 270 115 230 VAC SD 110 230 SD 210 230 SD 170 230 SD 270 230 24 VDC SD 110 724 SD 210 724 SD 170 724 SD 270 724 Input Specifications Output Specifications SD110, SD210 SD170, SD270 SD110, SD170 SD210, SD270 Inputs 12 Output SPDT relay DPDT relay Proximity switch voltage 8.2 VDC 8.2 VDC Rated insulation voltage 250 VAC (rms) 250 VAC (rms) Proximity switch current (cont./elec.) (cont./elec., - activated 1.2 mA 1.2 mA cont./cont.) - not activated 2.1 mA 2.1 mA Contact ratings (AgCdO) (micro gap) (micro gap) Internal resistance 1 k 1 k Resistive loads AC1 10 A/250 VAC 8 A/250 VAC Operating frequency 10 Hz 10 Hz (2500 VA) (2000 VA) Pulse time 20 ms 20 ms DC1 1 A/250 VDC 0.4 A/250 VDC Connection cable Unshielded Unshielded (250 W) (100 W) - max. resistance 50 50 or 10 A/25 VDC 4 A/25 VDC (250 W) (100 W) Small inductive loads AC15 2.5 A/230 VAC 2.5 A/230 VAC DC13 5 A/24 VDC 5 A/24 VDC 6 6 Mechanical life 30 x 10 op. 30 x 10 op. 5 5 Electrical life AC 1 2.5 x 10 op. 2.5 x 10 op. (at max. load) Operating frequency 7200 op./h 7200 op./h Dielectric strength Dielectric voltage 2 kVAC (rms) 2 kVAC (rms) (cont./elec.) (cont./elec.) Rated impulse withstand voltage 4 kV (1.2/50 s) 4 kV (1.2/50 s) (cont./elec.) (cont./elec.) (IEC 60664) (IEC 60664) Specifications are subject to change without notice 1SD 110, SD 210, SD 170, SD 270 Supply Specifications General Specifications Power supply AC types Overvoltage cat. III (IEC 60664) Indication for Rated operational volt. 230 230 VAC 15%, 50 to 60 Hz Output ON LED, red Through pins 2 & 10 115 115 VAC 15%, 50 to 60 Hz Environment 024 24 VAC 15%, 50 to 60 Hz Degree of protection IP 20 B Voltage interruption 40 ms Pollution degree 2 (IEC 60664) Dielectric voltage 2 kVAC (rms) (supply/elec.) Operating temperature -20 to +50C (-4 to +122F) Rated impulse withstand volt. 2 kV (1.2/50 s) (line/neutral) Storage temperature -50 to +85C (-58 to +185F) Power supply DC types Overvoltage cat. III (IEC 60664) Weight AC types 200 g Rated operational volt. 724 24 VDC 15% DC types 125 g Dielectric voltage None Rated impulse withstand volt. 800 V (1.2/50 s) Rated operational power Wiring Diagrams AC supply 2.5 VA DC supply 1.5 W Mode of Operation SD x10 The relay operates when Example 1 proximity switch S1 is activat- The relay operates when the ed momentarily and sub- proximity switch is activated. sequently remains on. Power supply Power supply Power supply The relay releases automati- SD 110/210 SD 110/210 SD 170/270 cally in case of interruption When proximity switch S2 is Example 1 Example 2 or short-circuit of proximity activated momentarily or the switch or cable. power supply is interrupted, the relay releases. Dimensions Example 2 The relay operates when the If both proximity switches are proximity switch is inactive activated at the same time, or the cable is interrupted. S2 has priority and the relay The relay operates in case therefore releases. of short-circuit of proximity switch or cable. Accessories SD x70 Socket S 411 The set-reset relays SD Hold down spring HF 170/270 are used with 2 prox- Mounting rack SM 13 imity switches in the following Socket cover BB 4 way: Front mounting bezel FRS 2 Operation Diagrams SD x10 Power supply Proximity switch Cable breakdown Example 1: Relay Example 2: Relay SD x70 Power supply Proximity switch S1 Proximity switch S2 Relay 2 Specifications are subject to change without notice