VME31: DCF77 Radio Clock (VME bus)


DCF77 Radio Clock VME31 with VME bus interface

DCF77 Radio Clock VME31 with VME bus interface

End of Life Announcement

This product is no longer available and may have been replaced by a newer product. We will, of course, continue to provide support for units that have already been purchased and are still in use. Please contact our Sales Department for further details.

Key Features

Warranty Period (Years): 2 RoHS-compliant
  • Periodic interrupts
  • 2,5mm LED-display
  • VME Bus interface
  • Reception status indicated by LED
  • Buffered hardware clock
  • Settable Base Address




Product Description



Characteristics

Receiver Type Narrowband tuned radio frequency receiver with automatic gain control, reception frequency: 77.5 kHz, bandwidth approx. 40 Hz
Status Indicators Modulation and field strength visualized by LEDs
Free running state visualized by LED after switching to free running quartz clock mode
Type of Antenna DCF77 indoor antenna AI01
Display 8-digit, 7-segment LED display (2.5 mm)
Synchronization Time 2–3 minutes, given good DCF77 reception
Accuracy free run Accuracy of the quartz base operation: ±1·10-5
Reception Monitoring Incoming time string undergoes multiple checks
Plausibility test using two full consecutive time strings
Interface VME Bus; A16; D8; Slave
Access: Short Supervisor I/O (2Dh), Short Non-Privileged I/O (29h)
Interrupt Levels: IRQ1...IRQ7, programmable
Periodic Interrupts: None, 10msec, 100msec, 1sec, 10sec, 1min, 10min, 1hour, programmable
Serial Time String Output 16 bytes in 1k-block, BCD coded Byte
Interrupts None, 10msec, 100msec, 1sec, 10sec, 1min, 10min, 1hour, programmable
Dimensions of the front panel standard: 4HP/20mm, 6U/261,8mm,
alternative: 4HP/20mm, 3U/128.4mm
Electrical Connectors 96-pin DIN 41612 connector
Antenna Connector SMB subminiature coaxial connector
Power Consumption 1,6 W
Backup Battery Type In case of supply voltage failure the on-board RTC keeps the time based on XTAL for approx. 4 weeks
Cable Type coaxial cable RG174 for indoor use (SMB-, BNC-connector)
Operating Voltage +5 V DC
Current Draw ca. 320 mA
Board type Eurocard
Board Dimensions 160 mm x 100 mm, 1,5 mm Epoxy
Supported Temperature Operational: 0 - 50 °C (32 - 122 °F)
Storage: -20 - 70 °C (-4 - 158 °F)
Supported Humidity Max. 85 % (non-condensing) at 40 °C
Contents of Shipment Scope of supply includes an active ferrite antenna AI01 and 5m of RG174 coaxial cable with BNC connectors.
Optional: AW02 with RG58 and patch cord, other length of cable


Downloads

Short Info Sheet



Manuals


Please note that only the most recent manual version is available for download. This manual therefore may not be suitable for all product versions.
Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact Meinberg Mail Contact