Technical data – EUCHNER CES-AR-AES-12 User Manual
Page 18

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)