MPC-6000 / MPC-7000 / RND-2 PROGRAMMING MANUAL
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Signaling Line Circuit (SLC). A circuit to which intelligent devices are connected. Also called a
detection loop. A detection loop in the case of the MPC-6000 and MPC-7000 may contain up to
252 detectors or devices, all of which may have outputs. Each detection loop will be driven by
an FDLC (Faraday device loop card).
Supervisory Alarm. A signal indicating the operation of a supervisory device.
Supervisory Device. A device that monitors the condition of a sprinkler system such as a gate-
valve switch, water level switch, low pressure switch, low temperature switch or fire pump
monitor.
Trouble Signal. An audible signal indicating trouble of any nature, such as a circuit break or
ground, occurring in the device or wiring associated with a fire alarm signal.
Waterflow Switch. An assembly approved for service and so constructed and installed that any
flow of water from a sprinkler system equal to or greater than that from a single automatic
sprinkler head will result in activation of this switch and subsequent indication of an alarm
condition.
Wild Card. Wild card zone for non-fire operation allows monitoring of critical functions with
logging or control function. The event will latch and will not reset until the panel is reset.
Zone. A designated area of a building. Commonly, zone, is interchanged with initiating device
circuit.
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