ADC-A12C31

Analog Clock

ADC-A12C31.jpgThe ADC-A12C31 is a precision analog clock containing a stepper motor drive and advanced, microprocessor-controlled electronics to provide an accurate delivery of time. The clock is designed with a powder-coated steel case for wall-mount applications (mounting bracket supplied). The ADC-A12C31 supports LTC using SMPTE timecode. The LTC will be decoded by the ADC-A12C31 using the full date information in the user bits as defined in ST 12 and ST 309. Clear labeling and an internal, LED-lit face make this clock readable from long distances. Standard power connection and BNC connection for the LTC are provided.

Features

  • RTC (Real-Time Clock) backup retains time during loss of power or reference
  • Self-correcting hands once power and/or timecode reference is established
  • Time zone offsets (to one second resolution) support any biasing requirements.
  • DST configuration
  • TCXO (Temperature Compensated Crystal Oscillator) for ± 1 min per year accuracy when no reference available (freewheeling)
  • All configuration settings retained in non-volatile flash memory
  • Second hand with sweep or step option
  • Self-correcting hands after loss of power and/or timecode reference and DST changes
  • Status LED on clock face, located at the 6 o’clock position
  • Microprocessor-controlled stepper motor for reliable, accurate and quiet operation
  • Universal AC input voltage and frequency
  • Fully configurable via USB interface with supplied CLKSET software
  • ‐11.5 to 12 hour time zone offsets in 30-minute increments
  • Self‐correcting to non-drop frame timecode
  • SMPTE, EBU and IRIG‐B (modulated and unmodulated) timecode support

Specifications

Specifications and designs are subject to change without notice.

Input (timecode)
TypeLongitudinal/Linear, forward running
FormatsSMPTE 24 (Film), 25 (EBU) or 30 f/s non-drop frame
IRIG-B (1) 1 kHz amplitude modulated, 3:1 modulation ratio
IRIG-B (0) dc offset/level shifted/unmodulated/pulse width modulated/TTL level
Nominal Level1.5 V pk-pk (0 dB/600)
Level Range0.175 to 12 V pk-pk (-15 to 20 dBV)
Impedance>100 k ohms
ConnectorBNC female, single-ended, unbalanced
Center Pin: Timecode In
Outer Conductor: Timecode Return

Communications – I/O
USBB type connect
Formatv1.1

Power Requirements
AC Input Voltage90 to 265 VAC
AC Input Frequency47 to 63 Hz
Power Consumption<7.5 W
Input ConnectorIEC
Power cordNorth American
Power cord options available for UK, Europe, and Australia

Internal Battery Circuit
Rechargeable 17 mAh Manganese Lithium coin cell (Panasonic ML1220) and recharging circuit require no maintenance and retain TCXO and RTC (real-time clock) for two weeks (minimum holdover) without applied external power.


Note: Clock hand alignment/calibration settings and configuration settings are maintained in non-volatile flash and are not affected by either loss of power or internal battery voltage.


Physical12.5 in. (31.8 cm) round, black metal case with 12 in. face, 4.25 in. (10.8 cm) depth, polycarbonate lens
Weight7.6 lbs (3.45 kg)

Operating/Storage Temperature and Humidity
Operating Temperature0 to 60° C
Relative HumidityUp to 90% (non-condensing @ 25° C)
Storage Temperature-40 to 85° C
Relative HumidityUp to 90% (non-condensing @ 25° C)

Ordering Information

ADC-A12C31Analog clock, 12-in. diameter
EPCEuropean power cord
EPC-UKUnited Kingdom power cord
EPC-AAAustralian power cord
Sales Contacts
  • North America +1 800 231 9673
  • Caribbean and Latin America +1 786 437 1960
  • Europe and Africa +44 118 964 8200
  • Middle East and South Asia  +971 4 433 8250
  • Asia, Pacific Rim +852 2776 0628

Data Sheet

ADC-A12C31