NEW EUCHNER CES-A-AEA-04B / CESAAEA04B UNICODE EVALUATION UNIT 072000 4 read heads can be connected 2 safety contacts (relay contacts) 1 internal normally open contact per safety contact Start button and feedback loop can be connected Unicode evaluation unit Category 4/PL e according to EN ISO 13849-1 Mechanical values and environment Housing material Housing Plastic PA6.6 Weight Net 0,25 kg Ambient temperature At UB = 24V DC -20 ... 55 C Atmospheric humidity Not condensing max.80 % rH Degree of protection IP20 Mounting method Mounting rail 35mm according to DIN EN 60715 TH35 Mounting distance Sideways toward the neighboring device min.10 mm Number of read heads Max. 4 read heads can be connected. Ready delay 10 ... 12 s Reaction time After change in the actuation status, 2 active actuators max.290 ms Duration of operation start button (for Manual start operating mode) min.250 ms After change in the actuation status, 1 active actuator max.210 ms After change in the actuation status, 4 active actuators max.450 ms After change in the actuation status, 3 active actuators max.370 ms Response delay start button (for Manual start operating mode) 200 ... 300 ms Switching frequency max.0,25 Hz Dwell time min.3 s Connection Screw terminals Safety contacts 13/14, 23/24 Number of safety contacts 2 Relays with internally monitored contacts Mechanical life Operating cycles (relay) 10 x 106 Electrical connection ratings Operating voltage DC UB 21 ... 24 ... 27 V DC Regulated, residual ripple 5 % Current consumption (with relay energized) 150 mA Fusing External (operating voltage UB) 0,25 ... 8 A EMC protection requirements In acc. with EN 60947-5-3 Degree of contamination (external, according to EN 60947-1) 2 Connection cross-section (screw terminals) 0,25 ... 2,5 mm Current via feedback loop 5 ... 8 ... 10 mA permissible resistance in feedback loop max.600 ? Safety contacts 13/14, 23/24 Type of output Relay contacts, floating Switching current At switching voltage AC/DC 17 ... 30 V 15 ... 6000 mA At switching voltage AC/DC 1 ... 60 V 1 ... 300 mA At switching voltage AC 17 ... 230 V 15 ... 1500 mA Fusing External (safety circuit) according to EN 60269-1 6 AgG or 6 A circuit breaker (characteristic B or C) Utilization category acc. to EN 60947-5-1 AC-15 230 V 1.5 A DC-13 24 V 1.2 A AC-12 30 V 6 A 60 V 0.3 A DC-12 60 V 0.3 A 30 V 6 A Switching load According to c UL us Class 2 max. 30 V AC / Class 2 max. 60 V DC; 120 V AC 3 A / 240 V AC 1.5 A Rated insulation voltage Ui 250 V Rated impulse withstand voltage Uimp 4 kV Rated conditional short-circuit current 100 A Discrepancy time (Between the operating points of both relays, with 4 active actuators) max.400 ms STATE LED LED indicator Status LED LED OUT LED indicator Safety outputs status DIA LED LED indicator Diagnostics LED Monitoring outputs: Diagnostic DIA, door monitoring outputs O1,O2,O3,O4 Type of output Semiconductor output, p-switching, short circuit-proof Output voltage 0,8 x UB ... UB V DC Output current max.20 mA Inputs: Start button S, test input TST Input current HIGH 5 ... 8 ... 10 mA Input voltage LOW 0 ... 2 V DC HIGH 15 ... UB V DC Work area Repeat accuracy R According to EN 60947-5-2 max.10 % Other For the approval acc. to UL the following applies Reliability values according to EN ISO 13849-1 Monitoring of the safety guard position PFHD at = 0,1 A 1.3 x 10-8 PFHD at = 3 A 1.5 x 10-8 (description exceeds maximum possible length)