
Expansion units for SecuriFire 2000
Mounting and installation, Technical Description, T 811 086 en e
47 / 128
6.11
Detector base 143 Ex-i with safety barrier Z787
Notice
This connection fulfils the requirements of VdS Directive 2489.
V
D
S
H
X
B6-EIO
X2/X3
1
10
Detector base
143 Ex-i
Ex area
Detector base
143 Ex-i
max. 10x 143 Ex-i detector bases
Detector base
143 Ex-i
3k
End detector
GND
L
5
1
8
4
Equipotential bonding
Fig. 58 Detector base 143 Ex-i with safety barrier Z787
6.12
Detector base 143 Ex-i with direct current isolating transformer GTW 01
Notice
This connection does
NOT
fulfil the requirements of VdS Directive 2489.
V
D
S
H
X
B6-EIO
X2/X3
1
10
Detector base
143 Ex-i
Ex area
Detector base
143 Ex-i
max. 10x 143 Ex-i detector bases
Detector base
143 Ex-i
GTW 01
_
+
+
_
4k7
End detector
GND
L
Fig. 59 143 Ex-i detector base with GTW 01 direct current isolating converter