C51: DCF77 radio clock with RS232 interface and integrated power supply (incl. antenna and 5m cable)
Key Features
- Integrated Power Supply
- Pulses per second and per minute
- 20mA input/output circuits
- RS-232 interface
- Reception status indicated by LED
- Buffered hardware clock
- DCF77 radio clock
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 | Scope of supply includes an active ferrite antenna AI01 and 5m of RG174 coaxial cable with BNC male connectors. Optional: AW02 with RG58, other length of cable |
Reception Monitoring | Incoming time string undergoes multiple checks
Plausibility test using two full consecutive time strings |
Pulse Outputs | Pulse per second and pulse per minute (optocoupler), pulse width: 200 msec |
Interface | Single serial RS-232 interface |
Serial Time String Output | Baudrate: 600, 1200, 2400, 4800, 9600, 19200 baud Framing: 7E1, 7E2, 8N1, 8N2 1 active/passive 20mA current loop output (selectable) 1 active/passive 20mA current loop input (selectable) Output string: 32 ASCII characters with date, time and status information |
Electrical Connectors | 25 pin sub D female connector BNC female connector power cord receptacle |
Backup Battery Type | In case of supply voltage failure the on-board RTC keeps the time based on XTAL for more than 150 hours (buffer capacitor) Optional: lithium backup battery (life time: 10 years) |
Operating Voltage | 230V/50Hz |
Form Factor | Rolec TBA 084, IP40 protected |
Current Draw | ca. 20mA |
Physical Dimensions | 57mm x 160mm x 80mm (height x width x depth) |
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 |
Options | Driver software for Windows, Novell and UNIX (NTP Freeware) |
RoHS Status of Product | This product is fully RoHS-compliant. |
WEEE Status of Product | This product is handled as a B2B (Business to Business) category product. To ensure that the product is disposed of in a WEEE-compliant fashion, it can be returned to the manufacturer. Any transportation expenses for returning this product (at end-of-life) must be covered by the end user, while Meinberg will bear the costs for the waste disposal itself. |
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.
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