Appendix a - specifications – Lathem LTR-512 User Manual

Page 27

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LTRx-512 Installer’s Guide

Daylight Savings Codes

23

APPENDIX A - SPECIFICATIONS


ELECTRICAL:

Input Voltage

120 or 220 / 240 VAC @ 60Hz or 50Hz

Input Power

50 VA max (less than 0.5A @ 120V)

Memory / Quartz Time Backup

10 year (nom.) Lithium Battery

Bell / Clock Control Relays

120VAC / 28VDC, 10A , Pluggable

Fuse

1 x 1.0 Amp Main (AGC1)


MECHANICAL / ENVIRONMENTAL:

Operating Temperature

32°-175° F (0°-80° C)

Weight

About 12 lb. (depending on configuration)

Dimensions

See configuration drawings

Mounting Options

Semi-Flush, Surface, 19" Rack, Hidden Power
Supply (some configurations optional)

FUNCTIONAL:

Secondary Clocks Supported

Any two (2) of twenty-four (24) types plus Lathem
DDC4R synchronization built-in; See Appendix B.

One (1) of twenty-four (24) types plus Lathem
DDC4R synchronization built-in; on the LTR4-512


Bell Zones and Schedules

Up to eight (8) zones [less two (2) for each electro-
mechanical secondary clock type]. {Up to four (4)
zones on the LTR4-512.}

Eight (8) Schedules, each allowing sixty-four (64)
multi-function events.


Daylight Savings Time

Supports DST standards for over 75 countries. See
Appendix C.

COMMUNICATIONS: (LTR8-512 and LTR8-512M)


Remote Communications with

RS-232 point-to-point @ 2400/9600 Baud

Lathem LTR MasterLink, Terminal RS-485 multi-drop network
Manager and “Atomic Clock”

Internal modem (option) dial-in / dial-out


Clock / Master Synchronization

RS-485 Sync-In/Out Port @ 9600 Baud

using DDC4R Protocols

RS-485 Sync-Out Port @ 9600 Baud

or Midnight Impulse

Dry-contact input

REGULATORY:

Certifications / Registrations

FCC Part15-ClassB, UL, cUL, CE

FCC Part 68 / Canada ICES-003 - Class B

CE

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