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Lathem LTR-RSS Installation & User Manual

Manual is about: REMOTE SCHEDULE SELECTOR and BELL RINGER

Summary of LTR-RSS

  • Page 1

    Ltr-rss remote schedule selector and bell ringer installation & user’s guide.

  • Page 2: Operation.

    This equipment complies with fcc class-b requirements pursuant subpart j of part-15 this device complies with part 15 of the fcc rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received,...

  • Page 3: Operation, Installation

    Operation, installation and maintenance manual “remote schedule selector” and “bell ringer” lathem time corp doc #usg0026b “ltr8-512, ltr-rss and “masterlink” are registered trademarks of lathem time corp., atlanta, ga, usa ©2004 lathem time corp.

  • Page 4: Welcome To The Ltr-Rss

    Ltr-rss user’s guide 1 welcome to the ltr-rss (remote schedule selector/bell ringer) the “remote schedule selector/bell ringer” for the ltr8- 512 master allows you to immediately activate any one (1) of the eight (8) possible schedules stored in the master or deactivate all schedules. Your selection...

  • Page 5: Circuit Board

    Ltr-rss user’s guide 2 block connect a twisted-pair (typically cat-3) low-voltage cable to the master’s rs-485 port, while the other two screws connect continuous 9-24v ac/dc power to the unit. Circuit board 1 2 3 4 5 6 7 8 b a u 64 32 16 8 4 2 1 d- d+ ~ ~.

  • Page 6

    Ltr-rss user’s guide 3 on the face of the cover plate, you will see a 10-position knob (to select which schedule you want active), a button to send your changes to the master, and status lights which confirm that your changes occurred..

  • Page 7: Specifications

    Ltr-rss user’s guide 4 specifications power input: 9-24v ac/dc, 1w max. For cable between the ltr-rss and ltr8-512 less than 100 ft, power can be drawn from the 12v output on the ltr8-512’s i/o connector. For longer cable, power should be drawn from a bell transformer or lathem 24v power supply (typ...

  • Page 8

    Ltr-rss user’s guide 5 communications: eia / ieee rs-485 half-duplex requiring single twisted-pair (utp or stp) communications cable (typically cat-3 or cat-5). Max length 4000 ft. Can be included on ltr8-512’s rs-485 host communications bus, along with other lathem rs-485 devices terminal block: 4-...

  • Page 9

    Ltr-rss user’s guide 6 mechanical: circuit board is mounted to an industry- standard double-gang switch plate. Plate is screwed into standard double-gang flush-mount electrical box (typically wire-mold part # v5747-2, not included). Connection of cables between electrical box and ltr8-512 or power s...

  • Page 10: Installing The Ltr-Rss

    Ltr-rss user’s guide 7 installing the ltr-rss to install the remote schedule selector/bell ringer, • remove the ltr-rss from its package and locate the dip switches (bottom center) on the back of the circuit board. • set the dip switches to match the master’s address (default = 65) and baud rate. (p...

  • Page 11

    Ltr-rss user’s guide 8 to select the address, use the numbers that add up to equal the number of your master’s address, then slide those switches down. For example, the default address is 065: switch 2 (value of 64) and switch 8 (value of 1) are down (64+1 = 65). For address 003, slide down switches...

  • Page 12

    Ltr-rss user’s guide 9 • connect low-voltage power to the lower 2 screws on the terminal block. The ltr-rss requires a voltage source of 9 to 24 volts, ac or dc. If the distance between the ltr8-512 master and the ltr-rss is less than 100ft, you can use a 2nd twisted-pair in the cable to bring power...

  • Page 13: Wiring Diagram

    Ltr-rss user’s guide 10 wiring diagram.

  • Page 14: Install Diagram

    Ltr-rss user’s guide 11 install diagram cable plug power cable 9-24 vac rs-485 cable.

  • Page 15: Using The Ltr-Rss

    Ltr-rss user’s guide 12 using the ltr-rss when you make a schedule change, this change remains in effect until you make another change or when a programmed schedule change occurs. You can make schedule changes at the ltr-rss, the masterlink software or the master itself. To deactivate all schedules:...

  • Page 16: To Activate A Schedule:

    Ltr-rss user’s guide 13 to activate a schedule: • turn the knob to choose which schedule you want to activate. • after turning the knob, push the enter selection button. • the indicator (led) will light to show which schedule is now active. The led stays lit for five (5) seconds then turns off to co...

  • Page 17

    Ltr-rss user’s guide 14 to manually ring all bells: • turn the knob to the ring bells position. • push the enter selection button. All bell circuits will become active and will remain active for as long as you press the enter selection button. Note: the bell circuits could remain active up to 2 seco...

  • Page 18: One Year

    Limited one-year limited warranty lathem warrants the hardware products described in this guide against defects in material and workmanship for a period of one year from date of original purchase from lathem or from an authorized lathem reseller. The conditions of this warranty and the extent of the...

  • Page 19

    Its original carton or equivalent, fully insured with shipping charges prepaid. Lathem will not assume any responsibility for any loss or damage incurred in shipping. 6. Warranty disclaimer and limitation of liability: except only the limited express warranty set forth above, the products are sold w...

  • Page 20: 404-691-0405

    Lathem time 200 selig drive, sw, atlanta, ga 30336 404-691-0405 www.Lathem.Com copyright © 2004 lathem time corporation. All rights reserved..