Manual

Operating Instructions AR Evaluation Unit CES-AR-AES-12
18
Technical data
Parameter
Value
Unit
min. typ. max.
Housing material Plastic PA6.6
Dimensions 114 x 99 x 22.5 mm
Weight 0.25 kg
Ambient temperature at U
B
 = DC 24 V -20 - +55 °C
Atmospheric humidity, not condensing - - 80 %
Degree of protection according to EN 60529 IP20
Degree of contamination 2
Mounting DIN rail 35 mm according to EN 60715
Connection (plug-in screw terminals/coded) 0.14 - 2.5 mm²
Operating voltage U
B
 (regulated, residual ripple < 5 %) 24 ± 10% V DC
Current consumption I
B
 (with relay energized) 
1)
- 1.2 
1)
- A
External fuse (operating voltage U
B
) - 2.5 8 A gG
Safety contacts 4 (relays with internally monitored contacts)
Switching current (relay outputs) 
mA
- at switching voltage  AC/DC  21 ... 60 V
1 - 300
- at switching voltage  AC/DC  5 ... 30 V 10 - 6000
- at switching voltage  AC  5 ... 230 V 10 - 5000
External fuse (safety circuit) according to EN 60269-1 6 A gG or 6 A circuit breaker (characteristic B or C)
Utilization category acc. to EN 60947-5-1 AC-12 60V 0.3A   / DC-12 60V 0.3A
AC-12 30V 6A / DC-12 30V 6A
AC-15 230V 5A / DC-13 24V 5A
Rated insulation voltage U
i
250 V
Rated impulse withstand voltage U
imp
4 kV
Resilience to vibration
In acc. with EN 60947-5-2
Mechanical operating cycles (relays) 10 x 10
6
Current via feedback loop Y1/Y2 5 8 10 mA
Permissible resistance via feedback loop - - 600
W
Monitoring outputs (O1 ... O12, DIA and OUT AR,  
semiconductor outputs, p-switching, short-circuit-proof)
- Output voltage 0.8 x U
B
- U
B
V DC
- Max. load - - 20 mA
- Switching frequency - 1 - Hz
Start button input S, test input TST
- Input voltage  LOW 0 - 2
V DC
HIGH 15 - U
B
- Input current   HIGH 5 8 10 mA
Safety inputs IA, IB 2 (for CES-AR switch chain)
Number of connectible safety switches Max. 12
EMC protection requirements  In acc. with EN 60947-5-3
Reliability values according to EN ISO 13849-1
as a function of the switching current at 24 V DC 0.1 A 1 A 3 A
Category 4
Performance Level (PL) e
PFH
d
1.5 x 10
-8
Mission time 20 years
Number of switching cycles/year 720 000 540 000 107 000
1) Taking into account the load currents at the monitoring outputs (20 mA each)