Beckhoff EL922 Series, Документация

Страница: 18 / 170

Product overview
EL922x 18 Version: 1.0
Technical data EL9227-5500 EL9227-6600 EL9227-4433 EL9227-6644 EL9227-9664 EL9227-9482
Nominal voltage 24 V
DC
(-15 %/+20 %)
Nominal current Max. Ʃ10 A, ad-
justable Max. 4 A, ad-
justable 3 A / 3 A, fixed 4 A / 4 A, fixed 6 A / 4 A, fixed 8 A / 2 A, fixed
Nominal current steps 1, 2, 3, 4, 5, 6, 7,
8, 9, 10 A 1, 2, 3, 4 A
Input current max. 10 A (Input current = forwarding c current of the own terminal)
Number of outputs 2
Output 1 Terminal contact and power contact
Power contacts (right) +24 V DC protected; 0 V DC
Number of digital inputs 2 (24V DC falling edge -15% + 20%); same 0 V reference as input voltage
Prewarning output load Adjustable between 50% and 100%, 5% hysteresis
Tripping behavior
see tables showing tripping times [ } 19]
Restart time ≥ 10 seconds (temperature-dependent)*
Internal fuse (faile-safe ele-
ment) (channel1/channel2) 15 A (F) / 15 A
(F) 6 A (T) / 6 A (T) 4 A (T) / 4 A (T) 6 A (T) / 6 A (T) 10 A (F) / 6 A (T) 10 A (F) / 4 A (T)
Internal max. power dissi-
pation limitation (channel1/
channel2) typically 400 W
for 20 ms /
typically 400 W
for 20 ms typically 160 W
for 50 ms / typi-
cally 160 W for
50 ms typically 160 W
for 50 ms / typi-
cally 160 W for
50 ms typically 160 W
for 50 ms / typi-
cally 160 W for
50 ms typically 266 W
for 30 ms /
typically 160 W
for 50 ms typically 266 W
for 30 ms /
typically 160 W
for 50 ms
Max. current limitation
(channel1/channel2) typically 25 A for
20 ms / typically
25 A for 20 ms typically 10 A for
50 ms / typically
10 A for 50 ms typically 10 A for
50 ms / typically
10 A for 50 ms typically 10 A for
50 ms / typically
10 A for 50 ms typically 16 A for
30 ms / typically
10 A for 50 ms typically 16 A for
30 ms / typically
10 A for 50 ms
Switch-on delay typical 15 ms
Overcurrent protection op-
eration without E-bus Yes
Switch-on capacitance typically 20,000 µF**
Undervoltage prewarning Adjustable between 17 and 24 V DC
Overvoltage shutdown > 32 V DC
Reverse polarity switch-off Yes
Reverse feed shutdown U
Out
+ 1 V > U
In
Switch-off times adjustable in 3 steps (fast: after 10 ms, standard: after 100 ms, slow: after 1000 ms)
Parallel connection of sev-
eral outputs not permissible
E-Bus current consumption typ. 80 mA
Electrical connection to
mounting rail Yes
Measuring error typ. ± 75 mA @23°C+- 20°C @24 V
typ. ± 150 mV @23°C+- 20°C @24 V
Electrical isolation 500 V (E-bus/signal voltage)
Dimensions (W x H x D) approx. 15 mm x 100 mm x 70 mm (width aligned: 12 mm)
Weight approx. 60 g
Permissible ambient tem-
perature range during oper-
ation 0°C ... + 55°C
Permissible ambient tem-
perature range during stor-
age -25°C ... + 85°C
Permissible relative air hu-
midity 95 %, no condensation
Mounting [ } 32]
on 35 mm mounting rail according to EN 60715
Vibration / shock resistance conforms to EN 60068-2-6 / EN 60068-2-27
EMC immunity / emission conforms to EN 61000-6-2 / EN 61000-6-4
Installation position
see note [
}
38] !
Protection class IP20
Approvals CE
*) for further explanations see note in chapter Commissioning [
}
54]
**) depending on: installed power supply, line resistance, load current, component tolerances, selected current range