User guide

Projecting Guidelines
4) Shield must be continuous
The PowerLoop cable will be split in two segments, separated by field
equipment including junction boxes or Loop Units. The shield must be
continued through these separations. There must be no electrical
connection to the local frame earth.
In the following figure the junction boxes includes a strap / jumper to
continue the shield between the cable segments (these straps /
jumpers should be made of a suitable low-impedance cable).
BSD-340
IE
IE 8
PLA+ 6
PLA- 7
PLB+ 9
PLB- 10
Note jumper !
f there are break-outs from the main loop (to make local small loops
that return to the same break-out box), care must be taken to avoid
local closed loops. See the figure below.
BSD-340
IE
Break!
IE 8
PLA+ 6
PLA- 7
PLB+ 9
PLB- 10
System Description, AutroSafe Integrated Fire & Gas Detection System, 116-P-ASAFE-IFG/XE Rev. B, 2005-10-27,
Autronica Fire and Security AS
Page 47