NTC-17E series

NTC-17E series

Since 1968 ELTEC has been a leading provider of programmable time clocks for school zone flashing beacon warning systems. The NTC-17E Series Time Clocks (a.k.a. time switches) are available with one, two, or four separately programmable relay outputs and can have up to 36 scheduled exceptions. The NTC-17E time clocks are available in AC, DC (solar) or the combination of both in one clock.

picture of the NTC-17E

APPLICATIONS

  • School Zone Crossing Signals
  • Park Lighting
  • Intercom Synchronization
  • School Bells/Master Clock
  • Employee Shift Break Bells
  • Changeable Message Signs
  • Time Locks: gate & door locks
  • Dial Selection on fixed Time Intersection Controllers

MORE INFORMATION & SPECIFICATIONS

  • – 2 Line x 16 Alpha Numeric Liquid Crystal Display (LCD) for easy programming
  • – Display Assisted Programming: LCD provides key word(s) with each entry for quick & easy programming. The display automatically advances to the next required command field or returns to the default display if all required information has been entered
  • – 37 Programs available
  • – 250 Program Steps: each step designates a time which the state of one or more relays is to change. There is no limitation to the number of steps that can be assigned to any program as long as it does not exceed 250 total when combined
  • – 36 Alternate Program Schedules: different than those assigned to the main program (#00) and is useful for scheduling holidays, meetings etc.
  • – 36 Exception Periods: used to suspend operations or run a different program schedule during holidays and/or special occasions
  • – 1, 2, or 4 Separately Programmable Relay Outputs: can be individually programmed to turn ON or OFF up to a combined total of 250 times per day.
  • – 1,2 or 4 Relay Outputs rated at 16 Amps 28VDC or 16 Amps
  • – 230VAC: 1 relay contact-single pole/double throw
  • – Programmable Momentary Outputs: 1-255 seconds
  • – Dual Mode Transfer Capability: transfer all program information including time & date data or just time & date only for clock to clock synchronization
  • – Non-Volatile Memory retains program data for the life of the clock
  • – 7 Day Capacitive Backup in the event of power failure
  • – Time Base Accuracy during power failure of +/-.0025% at 26 degrees Celsius
  • – Synchronous Timing on AC Power
  • – High Speed Reset Circuit prevents data corruption during unstable power conditions
  • – Three Watchdog Circuits: automatically recovers from any recoverable fault
  • – Unit to Unit Data Transfer (cable available on price list)
  • – Programmable from Computer with DLPRO Software
  • – Automatically Adjusts to Daylight Savings Time: programmable via keypad by user or from computer (with DLPRO Software)
  • – Automatic Leap Year Compensation
  • – 48 inch Cable with CPC Included

NTC-17E TX

The NTC-17E-TX is identical to the NTC-17E series clocks with one exception. It is capable of working in either an AC or a DC (solar) system.

Features

STANDARD FEATURES on all NTC-17E series clocks

  • Minimum 7 Day Capacitive Backup
  • Non-Volatile Memory
  • Momentary Outputs
  • 1,2 or 4 Relay Outputs
  • 37 Programs
  • 250 Program Steps
  • 36 Alternate Programs
  • 36 Exceptions
  • Automatically Adjusts to Daylight Savings Time
  • Unit to Unit Data Transfer
  • Programmable from Computer with DL Pro Software

NTC-17E series SPECIFICATIONS

  • Dimensions…………………………..8¼” H x 4¼” W x 1¾” D
  • Display…………………………….Alpha/Numeric Backlit LCD
  • Keypad………………………………………..Telephone Style
  • Outputs………………………4 SPDT Rated at 16A/120 VAC
  • Back-up Power……………….Capacitive: 168 Hours/7 Days
  • Time Base………………………………….+/-.0025% Crystal
  • Crystal Temp Coefficient………..-.04 ppm/deg C2 Maximum
  • Line Voltage……………………………….95-135 VAC, 60 Hz
  • Power Required………………………………………2.5 Watts
  • Temperature Range……………….-30 deg. C to +74 deg. C
  • Electrical Connection……………………..CPC with 48″ Cable

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