24 Device Description
WAGO-I/O-SYSTEM 750
750-439 8DI NAMUR Ex i
Manual
Version 1.3.0, valid from HW Version 03, SW Version 03
Table 12: Legend for
Figure
“Current-voltage Characteristic of the Control Input per
EN 60947-5-6”
Pos. Description
a
Response range for changes in the switching state Δ
I
1
: 1.2 … 2.1 mA
b
Response range for short circuit in the control circuit Δ
R
: 100 … 360 Ω
c
Monitoring range for short circuit R ≤ 100 Ω
3.6.5
Explosion Protection
Table 13: Technical Data – Explosion Protection
Voltage supply via power jumper
contacts
U
i
= 27.3 V
Interface circuit (local bus)
U
n
= 5 V
U
m
= 253 V
I
n
= 56 mA
P
max
= 1.2 W
Safety data electric circuit
U
o
= 11.76 V
I
o
= 12.4 mA
P
o
= 36.67 mW
Characteristic: linear
Reactance without consideration of the
simultaneousness
L
o
C
o
Ex ia IIC
100 mH
1 µF
Ex ia IIB
100 mH
9.9 µF
Ex ia I
100 mH
30 µF
Reactance with consideration of the
simultaneousness
L
o
C
o
Ex ia II C
50 mH
340 nF
20 mH
400 nF
10 mH
450 nF
5 mH
510 nF
1 mH
720 nF
Ex ia II B
50 mH
2 µF
20 mH
2.3 µF
10 mH
2.6 µF
5 mH
3 µF
1 mH
4.4 µF
Ex ia I
50 mH
3.8 µF
20 mH
4.3 µF
10 mH
4.8 µF
5 mH
5.4 µF
1 mH
7.5 µF