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Pittway Notifier RPT-485W, Manual, Page: 10 / 20

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Pittway Notifier RPT-485W Manual Download Page 10

Document 15640 Rev B1   08/13/97   P/N 15640:B1

10

ABS-8R Mounting

Before mounting the ABS-8R, determine which knockouts are needed
to wire the RPT-485. 

If you are using an RPT-485WF, you must use

the center top knockout for the fiber optic cable. Remove knockouts.
Mount the ABS-8R. Place the RPT-485 in the box and afix into PEM
standoffs using (4) 4-40 screws (refer to Figure C). Draw appropriate
wiring in through knockouts.

ABS-8R

Figure C

4-40 screws

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Summary of Contents for Notifier RPT-485W

Page 1: ...Northford CT 06472 203 484 7161 FAX 203 484 7118 The RPT 485W RPT 485WF EIA 485 Annunciator Loop Repeater for Twisted Pair Wiring Fiber Optic Cable Document 15640 08 13 97 Revision B1 15640 B1 ECN 97...

Page 2: ...f with a proper wrist strap before handling any circuits so that static charges are removed from the body Use static suppressive packaging to protect electronic assemblies removed from the unit Follow...

Page 3: ...ion Three RPT 485WF 7 Parallel Series Connection of RPT 485WFs 8 Section Four Installation 9 Mounting 9 Wiring the RPT 485W 11 Wiring the RPT 485WF 12 Connections Between the RPT 485 and EIA 485 Devic...

Page 4: ...olated system Electrical isolation is maintained by employing separate power supplies for the source and boosted EIA 485 loops To remain isolated connections between each EIA 485 device must have a re...

Page 5: ...EIA 485 Annunciator Loop Features 4 Extends EIA 485 distances in 4000 ft increments 4 Allows additional boosted EIA 485 loops 4 Each boosted loop increases annunciator node capacity by 32 4 EIA 485 b...

Page 6: ...tion of both can be hung from the loop The source EIA 485 loop can extend up to 6 000 feet and have 32 EIA 485 devices including the RPT 485s hung from it An example of wiring an EIA 485 loop using RP...

Page 7: ...annunciator loop eliminating ground loops and noise Features 4 Extends the EIA 485 loop up to 10 000 ft with a 10dB maximum guaranteed 15dB typically achievable attentuation for 820 850 nM fiber opti...

Page 8: ...p can extend up to 6 000 feet and have 32 EIA 485 devices including the RPT 485s hung from it An example of wiring an EIA 485 loop using RPT 485WFs is pictured in Figure 3 2 Notice that both ends of e...

Page 9: ...ew the board on using 2 4 40 screws CHS 4L Inner position only Screw 2 4 40 standoffs onto the top row of PEM studs on the CHS 4L Slide tab of board into inner slot of CHS 4L and rest on standoffs Use...

Page 10: ...wire the RPT 485 If you are using an RPT 485WF you must use the center top knockout for the fiber optic cable Remove knockouts Mount the ABS 8R Place the RPT 485 in the box and afix into PEM standoff...

Page 11: ...ocument 15640 Rev B1 08 13 97 P N 15640 B1 Figure 4 1 Wiring the RPT 485W NOTE For EIA 485 device terminals connections see Table 4 1 Use a power limited supply Use a power limited supply www PDF Zoo...

Page 12: ...ument 15640 Rev B1 08 13 97 P N 15640 B1 12 NOTE For EIA 485 device terminal connection see Table 4 1 Figure 4 2 Wiring the RPT 485WF Use a power limited supply Use a power limited supply www PDF Zoo...

Page 13: ...4 5 P4 3 P4 6 P4 4 Power Supply Batt Neg UZC 256 TB2 3 TB2 5 TB2 4 TB2 6 TB2 2 2 1 NOTE For additional information reference the respective manuals listed in Table 4 2 The ACS Series Annunciators 1584...

Page 14: ...upply loop is limited by the minimum input voltage 18VDC measured across TB3 24V power supply common of the RPT 485W WF Calculating the maximum wiring resistance Rmax permitted for the 24V power suppl...

Page 15: ...r connections between the RPT 485 and EIA 485 sources refer to Table 5 2 3 Most EIA 485 devices and sources manufactured by Notifier are not isolated When making reference connections to non isolated...

Page 16: ...ct Installation Drawing Document 15331 for specific terminal connections 2 Most EIA 485 devices and sources manufactured by Notifier are not isolated When making reference connections to non isolated...

Page 17: ...ier are not isolated When making refer ence connections to non isolated EIA 485 devices powered by separate power supplies care must be taken to ensure that only one power supply has Earth Fault detec...

Page 18: ...Document 15640 Rev B1 08 13 97 P N 15640 B1 18 Notes www PDF Zoo com...

Page 19: ...19 Document 15640 Rev B1 08 13 97 P N 15640 B1 Notes www PDF Zoo com...

Page 20: ...itutes the only warranty made by NOTIFIER with respect to its products NOTIFIER does not represent that its products will prevent any loss by fire or otherwise or that its products will in all cases p...

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