NEMA SBP 6-2008 UL 1069 Standard for Hospital Signaling and Nurse Call Equipment White Paper Published by National Electrical.pdf

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1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA SBP 6-2008UL 1069 Standard for Hospital Signaling and Nurse Call Equipment White PaperA NEMA Signaling Protection and Communication Section, Healthcare Communications Group White Paper SBP 6-2008 UL 1069 Standard for Hospita

2、l Signaling and Nurse Call Equipment White PaperPublished byNational Electrical Manufacturers Association1300 North 17th Street, Suite 900Rosslyn, Virginia 22209 www.nema.org 2008 National Electrical Manufacturers Association. All rights, including translation into other languages, reserved under th

3、e Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American copyright conventions. 2008 National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was considered technica

4、lly sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. NEMA standards and guideline publica

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13、 the statement. NEMA SBP 6-2008Page 11 Introduction On October 12, 2007, Underwriters Laboratories, Inc. (UL) published Edition 7 of UL 1069, Standard for Hospital Signaling and Nurse Call Equipment, which is applicable to hospitals and skilled nursing facilities. The clarifications and additions fo

14、cused on three areas: 1. Wireless nurse-call devices2. Definition and verification of core-system elements3. Definition of oxygen-enriched testing for pendant controlsThe purpose of this White Paper is to explain, in laymans terms, the ramifications of these changes. 2 Wireless Nurse Call Before Edi

15、tion 7, the ANSI/UL 1069 (UL 1069) standard did NOT cover the use of wireless devices for call initiation or annunciation. Prior to October 12, 2007, Underwriters Laboratories(UL) had never listed a wireless primary device under the UL 1069 standard. 2.1 ANSI/UL 1069 Edition 7 Effective October 12,

16、2007, UL 1069 Edition 7 added definition, application, and testing to utilize wireless devices as PRIMARY initiating devices in a nurse call system. Wireless systems listed by Intertek to the UL 1069 Edition 6 standard have been granted until November 2008 to retest systems to Edition 7 of UL 1069.

17、However, neither the supervision claims of the manufacturer nor the reliability of the wireless transmission medium were verified by Intertek as there were no specific requirements in UL1069 Edition 6. The definition of wireless initiating devices as part of the primary system have some clear limita

18、tions: 1. The underlying intent of wireless devices is to extend the coverage of a hard- wiredsystem. UL and NEMA recognize there are places in facilities where hard-wired devicescannot be in proximity to the patients, so the addition of wireless call initiation devicesactually extends system covera

19、ge to areas where there is no wired coverage.2. Wireless devices utilize a shared radio frequency (RF) space that is not guaranteed to beavailable or work in all real world environments. .3. Since these devices operate in the shared RF space, there have been requirementsadded to assure the best poss

20、ible reliability.a. The devices are supervised. If the wireless device loses contact with the receiver formore than 90 seconds for any reason (including interference or loss of battery power,damage, etc), a supervisory alarm is placed.b. On systems listed prior to Edition 7, the supervision time may

21、 be 24 hours.4. The manufactures are required to pass extensive testing to assure units will work inpredictable interference scenarios. Systems must have designs that hop or movefrequencies to work around potential interferences.2.2 Definitions of Core System When UL 1069 Edition 6 was published in

22、2002, one of the major changes was the definition of the core nurse call system and defining devices that could be considered as ancillary or supplementary. Devices defined as core or primary, would be subject to full UL 1069 testing and verification for both the electric shock/hazard fire safety AN

23、D reliability. Devices defined as Ancillary or Supplementary would NOT be subject to full UL 1069 reliability testing and verification, as long as they were truly secondary (redundant 2008 National Electrical Manufacturers Associationto a primary or core function of the system) AND were electrically

24、 isolated from any patient branch of wiring. For example, if a patient call were to be annunciated on a pocket pager in parallel with a core system (corridor light and nurse-call console), this would be considered ancillary and the pocket-page system would not need to be submitted to UL 1069 testing

25、. This would mean the pocket page encoder, hardware, transmitter, and portable devices themselves would not be subject to the electrical and reliability testing of UL 1069. The definition was clear to UL and to the NEMA committee that advocated for the changes. Testing done by UL has always enforced

26、 these definitions. However, these changes were only implemented in the glossary of the UL 1069 document and were NOT specified in the testing sections. This situation led to confusion when other nationally recognized testing laboratories would certify systems to UL 1069. In particular, systems were

27、 listed including wireless ancillary devices used as PRIMARY devices but not tested to the primary requirements. Edition 7 clarifies these requirements in the scope, glossary, and testing sections of the standard. 2.3 Oxygen-Enriched Environments The change to the standard does not directly affect f

28、acilities; rather it better synchronizes the requirements of UL 1069 to those of NFPA 99 regarding the safety of pendant devices (call cords and pillow speakers) in oxygen-enriched environments. 2008 National Electrical Manufacturers AssociationNEMA SBP 6-2008Page 2NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION 1300 NORTH 17TH STREET, SUITE 900 ROSSLYN. VA 22209www.NEMA.orgTO ORDER ADDITIONAL NEMA STANDARDS VISITWWW.GLOBAL.IHS.COM OR CALL 1-800-854-7179/1-303-397-79565612_0514TB