LST LIF128-1の取扱説明書

ページ1に含まれる内容の要旨

Loop Interface
LIF128-1
• Intelligent analogue loop technology
• Several loop protocols for the
detector brands System Sensor,
Apollo and Labor Strauss
• Up to 318 elements on the loop
• Integrated measurement of loop
resistance, loop current and quality
of transmission
• Maximum loop current 500mA
Description
By means of the Loop Interface LIF128-1, one ADM loop By means of an integrated measuring and analysis func-
with bi-directional data exchange can be connected to tion, electrical ch

ページ2に含まれる内容の要旨

Usually, the loop wiring is realised as ring. Thanks to the by means of isolators, can be maintained. The control ring-shaped wiring, all elements on the loop keep wor- panel indicates a wire breakage or a short circuit as king in the event of a single wire breakage. If necessary, loop fault. branch lines can also be connected to the ring. Unshielded wires can be used for the fi re detector ca- In the event of a short circuit, the functioning of the loop bling and, therefore, existing installat