24
Device Description
WAGO-I/O-SYSTEM 750
750-484 2 AI 4-20 mA HART Ex i
Manual
V 1.2.0 HW-Version 04, SW-Version 03
3.6.5
Explosion Protection
Table 13: Technical Data – Explosion Protection
Voltage supply via power jumper
contacts ( LK1, LK2)
U
i
= 27.3 V
P
max
= 1.6 W
Interface circuit
( K-Bus)
U
n
= 5 V
U
m
= 253 V
Safety Data electric circuit
(Cage Clamp 1, 3 und 5, 7)
U
0
= 27.3 V
I
0
= 92.7 mA
P
0
= 630 mW
Line characteristic: linear
Reactance without
consideration of the
simultaneousness
L
0
C
0
Ex ia IIC
1.5 mH
87 nF
Ex ia IIB
15 mH
670 nF
Ex ia IIA
38 mH
2.2 µF
Ex ia I
36 mH
3.49 µF
Reactance with
consideration of the
simultaneousness
L
0
C
0
Ex ia II C
0.05 mH
87 nF
0.1 mH
87 nF
0.2 mH
87 nF
0.5 mH
70 nF
1.0 mH
54 nF
Ex ia II B
0.5 mH
0.45 µF
1.0 mH
0.37 µF
2.0 mH
0.31 µF
5.0 mH
0.27 µF
10 mH
0.27 µF
Ex ia II A
0.05 mH
1.2 µF
0.2 mH
0.8 µF
0.5 mH
0.62 µF
1.0 mH
0.52 µF
20 mH
0.46 µF
Ex ia I
0.5 mH
0.79 µF
1.0 mH
0.69 µF
2.0 mH
0.63 µF
5.0 mH
0.63 µF
10 mH
0.63 µF
3.6.6
Connection Type
Table 14: Technical Data – Field Wiring
Wire connection
CAGE CLAMP
®
Cross section
0.08 mm² … 2.5 mm², AWG 28 … 14
Stripped lengths
8 mm … 9 mm / 0.33 in