Difference between revisions of "Libertas master clock controller"

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(/* Options - added keyboards)
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** Parsifal
** Parsifal
** Avondale (Ding-Dong on two bells or Dong-Dong on one bell)
** Avondale (Ding-Dong on two bells or Dong-Dong on one bell)
** Nautical (authentic Ship's Time)
** [[Nautical time strike|Nautical]] (authentic Ship's Time)
=== Swinging Simulation on Stationary Bells ===
=== Swinging Simulation on Stationary Bells ===

Revision as of 14:50, 2 March 2018

Home > Help > Automation Specifications

The Libertas™ advanced computer control head keeps time and supports all bell ringing traditions. In addition to controlling your bells automatically, it will keep electric tower clock movements in sync with the bells. Up to ten weekly ringing schedules are stored in FLASH memory to be activated on specific or annual dates. The system can be networked and accessed using our exclusive mobile remote control app and Management software.

Bell control head configurations

  • 2206 Basic bell ringing for 1 to 6 bells
  • 2209 Chime and carillon music ringing
  • 2210 Bell automation with inside audio
  • 2212 Platinum (Veritas) electronic carillon with musical tower bell automation/augmentation

All Libertas controllers support tower clock control as well as bell ringing.

The basic wall mount controller supports a single bell, a peal of bells or a chime of eight or more bells with music and MIDI keyboard input. An optional rack mounted control is available, that can also include an optional bell sound module to facilitate hearing the chime/carillon inside (and while the real bells are silent for keyboard practice).

Millennium and Platinum electronic carillons both support control of tower bells as well as amplified bells through outdoor speaker systems.

A hybrid system that we call Platinum Veritas, can augment real tower bells with amplified digital sampled bells. A chime can have missing notes added with the realism of our inSpire audio system. Each instrument is custom designed to perfectly blend with existing bells.

Distinguishing features

  • Made in Ohio, USA
  • Five Year Chime Care Warranty for electronic components
  • Electrical panels in tower support bell ringing components (new or many existing)
    • Tolling hammers
    • Stationary bell clappers
    • Swinging bell motors
  • Set it and forget it ease of use
  • Nonvolatile memory and battery backup for clock
    • Ensures ringing schedule recovery
    • Tower clocks recover from power outages
  • PIN code keypad access security
  • Automatic Daylight time switching
  • Management Suite ready - free lite download includes:
    • Windows™ compatible
    • Graphical weekly schedule editing
    • Special concert Jukebox
    • Backup
      • System settings
      • Schedules
  • Wall mount or Rack mountable chassis option

Music Libraries

Music libraries for automated bell controllers are available for standard sets of bells from an 8-bell diatonic chime (one octave) to 49 or more bells chromatic (four octaves or more). The number of selections available for various chimes and carillons listed in the following table are accurate for 2011, and include ringing functions available in the internal selection list.

Library Description Catalog Code Total Musical Selections
8 Bell Chime 080 150
9 Bell Chime with flat 7 081 300
10 Bell Chime with flat 7 091 575
11 Bell Chime with flat 7 101 630
11 Bell Chime with sharp 4 and flat 7 092 650
12 Bell Chime with flat 7 111 720
12 Bell Chime with sharp 4 and flat 7 102 750
13 Bell Chime with sharp 4 and flat 7 112 880
14 Bell Chime with sharp 4 and flat 7 122 930
23 Bell Carillon 252 1000
35 Bell Carillon 372 1090
47 Bell Carillon 492 1110

Ringing features

Liturgical ringing

Clock time ringing

  • Hour strikes
    • with or without quarterly clock chime melodies
    • easy setup for ringing times
    • choose full quarters, half or top strike only
  • Selectable time strike melodies (for supported bell combinations)
    • Westminster (5-bells)
    • Westminster (4-bells)
    • Christus Vincit (6-bells)
    • Warren
    • Bigelow
    • Parsifal
    • Avondale (Ding-Dong on two bells or Dong-Dong on one bell)
    • Nautical (authentic Ship's Time)

Swinging Simulation on Stationary Bells

For bell controllers, the swinging simulation parameters are in the Setup Menu - Swinging Bell Timing. For Millennium carillons with the T option, the parameters are set using the Management Suite. Swing time is in seconds for a complete cycle fore-swing and back-swing. A back-swing parameter is also available to imitate a rope-pulled swinging bell (often, but incorrectly, referred to as doppler). Various swing time settings determine the tempo of the ringing. Larger bells will naturally swing with a slower tempo than smaller bells. The tempo in the following table is given in beats per minute.

Swinging Bell Timing
Swing Time Bell Weight Bell Size Tempo
1.6 <150 lbs <20 inch 75
2.0 150-300 20-24 60
2.4 300-500 24-30 50
2.8 500-800 30-35 43
3.2 800-1500 35-42 38
3.6 1500-2000 42-50 33
4.0 2000-4000 50-56 30
4.4 4000-6000 56-68 27
4.8 6000-7000 68-72 25
5.2 7000+ 72+ 23

Chime/Carillon Peals

The bells used to ring for each of the six swinging bell channels can be customized for the scope of the set of bells being controlled. Chimes and carillons with swinging motors on various bells is totally supported.

An example Westminster peal of bells might use the following bells: C1 D1 E1 G1 A1 C2

The default four bell Major peal (C1 E1 G1 C2 - channels 1, 3, 4, 6) is selection code is 5504.

A large three bell Major peal (C1 E1 G1 - channels 1, 3, 4) is selection code 3904.

A small inverted three bell major peal (E1 G1 C2 - channels 3, 4, 6) is selection 4804.

A three bell Diatonic peal (C1 D1 E1 - channels 1, 2, 3) is selection code 3704.

A three bell Te Deum peal (E1 G1 A1 - channels 3, 4, 5) is selection code 4604.

Other combinations are available and will be programmed for your particular peal to sound its best.


  • Available keyboards
  • Radio remote control
  • Tower clock driver and interface box
    • Control for modern minute impulse clock movements
    • Automatic correction of clock dials after power interruption
    • Clock status monitoring and error display
  • Premium Management Suite license
    • Mobile remote app support (Apple and Android)
      • Administer remote user names and passwords
      • Set user access times and functions
      • Customize remote functionality
    • Annual and special event scheduling
  • Standard CAT5 cable to tower
    • Optional optical fiber interface to tower
    • Optional wireless interface to tower


  • Data
    • USB computer interface
    • Tower accessory interface with standard CAT5 cabling
      • Supports Chime Master clock movements
    • Radio remote control (eight-function proprietary serial interface)
  • Power
    • Supplied with tower accessory cable (Wall mounted chassis option)
    • 120 VAC 50-60 Hz (Rack mounted chassis option)


  • Wall Mount Dimensions (2206 and 2209 only)
    • Height is 9 inches
    • Width is 9 inches
    • Depth is 2 inches
  • Rack Mount Dimensions
    • Height is 5-1/4 inches (3U rackspace)
    • Width is 19 inches
    • Depth is 15-3/4 (allow 17 inches for cabling)
  • Optional rack wood cabinet dimensions
    • 7-1/2 H x 20-1/2 W x 16-3/4 D
  • Weight
    • Wall mount option (2206 and 2209 only)
      • 6 lb.
    • Rack mount option
      • No options: 20 lb.
      • Oak cabinet +14 lb.
      • Walnut cabinet +13 lb.