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1 2 5 3 0 / 1 2 5 4 0 O W N E R ' S M A N U A L
P/N 447203 Issue I
II-8
GENERAL DESIGN FEATURES
Environmental
All hardware is suitable for use in an interior or protected location.
Power Limiting
The city tie circuitry is not power limited when programmed for Local Energy or Shunt operation. The AC
power and battery wiring are not power limited. All other circuits leaving the control unit are power limited,
provided the proper installation rules are maintained.
Ground Fault Detection
The control unit provides ground fault detection and a ground fault will trigger the common fault buzzer
and system trouble LED. There are separate LEDs on the main termination board to indicate positive and
negative ground faults.
Transient Protection
Transient protection devices are provided where needed to meet the requirements of UL864.
Security Functions
Processor control and addressing allow inclusion of several functions to assure security of the system.
Multi-level password protection of programming functions prevents unauthorized configuration changes.
Device type supervision: If the type reported by an addressable sensor or module, does not agree with
the configuration, the system reports a trouble.
Device address supervision: The system checks that all configured devices on the addressable device
circuit responds to an address poll. If a configured device is missing, the system reports a trouble. The
system also polls unused addresses periodically. If a device responds to such a poll of a non-configured
device, the system reports a trouble. Two devices addressed the same also cause a trouble to be
reported.
The RS485 devices also are checked for no response and un-programmed address responses.
REGULATORY STANDARDS
The 12530/12540 control unit meets the requirements of industry and government regulatory agencies as
noted.
Underwriters Laboratories
The 12530/12540 Fire Alarm control unit is listed under UL Standard 864 for compliance to NFPA
Standard 72 for fire service
Содержание 12530-120
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