NIB F/S 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 mm²
Current via feedback loop 5 ... 8 ... 10 mA
permissible resistance in feedback loop max.600 Ω
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)