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Phone: 800-231-1414 or 631-231-1414 Fax: 631-231-1498 E-Mail:
Adaptatone® Millennium
Central Tone Generator
 Synchronized System Signaling,
Four Outputs, RS485 Activation
 Edwards is a registered trademark of UTC Fire & Security

The Edwards 5540M Millennium Central Tone Generator as been designed for applications where simultaneous signaling of a high decibel, heavy duty signal is required. The tone generator assures a synchronous signaling sound from all remote speakers. The Millennium Central Tone Generator produces the 27 standard Adaptatone sounds. Four tones may be activated from field-wired, normally open contacts, or a 24VDC or 120VAC external voltage source such as an output of a PLC.

Normally open contacts can be obtained from the Cat. No. 5538-4 or Cat. No. 5538-4R Adaptatone Signal Actuator. The tones are selected by setting miniature dip switches within the unit. The programmed tones operate on a pyramid-type priority system.

On-site volume control is accomplished by adjusting the conveniently located volume control inside the unit.

The 5540M-485Y6 is designed to be connected to RS485 networks, allowing full serial signaling communication control.

Adaptatone Signaling Systems are designed for industrial applications calling for high decibel output and microprocessor reliability combined with simultaneous signal delivery over all speakers included in the system. Typical applications include: emergency warning systems, plant evacuation alarms, security intrusion sirens, process monitoring, shift start-and-dismissal horns, and paging signals.

RS485 units are MEDI compatible.

27 tone capability- No additional tone modules needed
PLC Compatible
Captive Components
Centralized programmable tone selection
System-wide priority tone selection
RS485 models available
Agency Approvals
NEMA Type 3R
IP 44
UL 464 and 1604 Listed
UL & cUL Listed for indoor and outdoor applications in Class I, Division 2, Groups A, B, C, & D; Class II Division 2, Groups F & G; and Class III Hazardous Locations
cUL C22.2 No. 205
TUV Rheinland Certified
CE Marked, LV & EMC Directives
(Y6 AC only and AQ models)
Speaker can be rotated and locked in any horizontal direction
24V DC battery backup terminals provided
Click for Spec Sheet
5540M-24AQ EDWARDS Adaptatone Millennium Central Tone Generator 24VAC/DC
5540M-24N5 EDWARDS Adaptatone Millennium Central Tone Generator 120VAC
5540M-24Y6 EDWARDS Adaptatone Millennium Central Tone Generator 120-240VAC/125-250VDC
5540M-120N5 EDWARDS Adaptatone Millennium Central Tone Generator 120VAC
5540M-120Y6 EDWARDS Adaptatone Millennium Central Tone Generator 120-240VAC/125-250VDC
5540M-485Y6 EDWARDS Adaptatone Millennium Central Tone Generator RS485 120-240VAC/125-250VDC
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This page was last updated August 19, 2014

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