Technical Data; Operating Parameters - Dräger Safety Barrier Zone 2 Gebrauchsanweisung

Technical data

3.2 Wiring diagram
HAZARD AREA
Bay unit
3A
+24V
4A
4 - 20 mA
+24 V 3B
4 - 20 mA 4B
+24 V 3C
4 - 20 mA 4C
+24 V 3D
4 - 20 mA 4D
3.3 Installing the safety barrier
Mount the safety barrier on the top.hat rail. Then install the wiring as
shown in the wiring diagram.
10
SAFE AREA
Central Unit
+
0 V
Safety Barrier
1A
U
2A
4 - 20 mA
1B U
2B 4 - 20 mA
1C U
2C 4 - 20 mA
1D U
2D 4 - 20 mA
PA
00233410_en.eps
4 Technical data
4.1 Ex parameters
U
m
Max. output current I
o
Max. output voltage U
o
Max. output power P
o
Gas group
Max. connectable capacity C
o
Max. connectable inductance L
o
Max. inductance resistance
L
o
------
ratio :
R
o
Connection parameters are not valid for circuits (except for lines)
which contain both inductance and capacities.
4.2

Operating parameters

Operating voltage U
B
Ambient temperature T
amb
Max. load R
Bmax
Max. cable cross section Q
max
Series resistance R
s
Protection class
250 V
93 mA
28 V
660 mW
IIC IIB IIA
83 nF 650 nF 2150 nF
4 mH 16 mH 32 mH
H H
------- - ------- -
54 217 435
 
24 V ± 1.2 V
0 - 60 °C
250 Ω
2
2,5 mm
300 Ω
IP 20
Safety Barrier Zone 2
H
------- -
