M500XJ – Isolator Module
Liên hệ
The Johnson Controls M500XJ Fault Isolator Module is used with the IFC Intelligent Fire Alarm Control Panels (FACP) to protect the system against wire-to-wire short circuits on the SLC loops.
The Fault Isolator Modules should be spaced between groups of sensors in a loop to protect the rest of the loop. Use to isolate short circuit problems within a section of a loop so that other sections can continue to operate normally. The M500XJ supports a maximum of 25 devices in-between isolators, except when using relay bases.
NOTE: ON LOADS PER RELAY BASE AND ISOLATORS/ISOLATOR BASES: the maximum number of addressable devices
between isolators (or B224BI isolator bases) is 25 devices.
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