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5.0 Operation
This chapter describes the operational capabilities of the FX-400 Fire Alarm Control panel.
5.1 Addressable/Analog Devices
The FX-400 fire alarm control panel provides one addressable loop (SLC) which can support
240 MGC addressable devices.
Configuration is completed via the MGC-3000 software configurator.
Additional Information
• The addressable loop can be configured for Class A (Class X) and Class B operation.
• T-tapping is not recommended.
• Unshielded twisted pair (UTP) is recommended.
• A short or open on the loop will activate the common trouble sequence with a latching
trouble. (Class A only)
• The maximum number of isolators is determined by the loop current.
• The FX-400 FACP will test the sensitivity of a single sensor address every 4 minutes.
Each address will be tested once, approximately every 11 hours.
5.1.1 Supervision of Devices
The loop interface software continuously supervises the devices on its loop against those
found during configuration for the following conditions:
• Device missing.
• Unconfigured device responding.
• Two or more devices responding to the same address.
• Wrong device type.
A communication or addressing error on a device is reported as a trouble on the associated
zone LED as configured. The detectors may be configured as non-verified or verified alarm
inputs.
Table 6 Settings Permitted in UL864
NOTICE TO USERS, INSTALLERS, AUTHORITIES HAVING JURISDICTION, AND OTHER INVOLVED PARTIES
This product incorporates field-programmable software. In order for the product to comply with the requirements in the Standard for
Control Units and Accessories for Fire Alarm Systems, UL 864, certain programming features or options must be limited to specific
values or not used at all as indicated below.
Program feature or option Permitted in UL 864? (Y/N) Possible settings Settings permitted in UL 864
Two stage operation N
Singe stage operation
Two stage operation
Singe stage operation
Building/Property Safety Input N Not Applicable Not Applicable
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