Pin Assignment of the D-SUB Connector ........ 12 CE Label .................... 12 Rear View ..................13 Technical Specificatins ..............14 Format of the Meinberg Standard Time String ......16 Component Layout Main Board ..........17 Component Layout Display Board ........... 19...
General Information about DCF77 The radio remote clocks made by Meinberg receive the signal from the long wave transmitter DCF77. This long wave transmitter installed in Mainflingen near Frank- furt/Germany transmits the reference time of the Federal Republic of Germany. This time reference is either the Central European Time (Mitteleuropäische Zeit, MEZ) or...
Features of the AM Radio Clock DCF77 ANZ14 V3 The ANZ14 V3 is a stand-alone radio clock with integrated DCF77 receiver and power supply. The 14-digit LED display shows time, date and day-of-week. The displays brightness is variable in four levels. A time string is sent via the serial port either periodic once per second/minute or only on request by sending an ASCII '?'.
Buffered Real Time Clock In case of supply voltage failure the on-board real time clock keeps the time powered by a backup capacitor for more than 150 hours. This capacitor does not need any maintenance. Alternatively, the clock can be ordered with a lithium battery which has a live time of at least 10 years guaranteed.
Installation Supply Voltage The supply voltage is applied to the radio clock via a connector in the rear panel. The clock has no power switch and starts operation immediately after connecting the supply voltage. Depending on the supply voltage (see designation on the rear) the clock is equipped either with a 230V AC power socket or with a 2-pin DFK connector for 5V, 12V or 24V DC input.
Configuration The tenfold DIL switch is used to configure the ANZ14 as follows. DIL-Switches 9 10 Display Brightness Baudrate 1200 2400 4800 9600 19200 reserved O O O reserved Framing Display Mode Time String per second per minute on request Time Zone MEZ / MESZ Serial Port...
Display Mode In the Display Mode (DIL7 and DIL8 OFF) the software clock is turned off and the DCF77 receiver has no effect. The ANZ14 V3 in this mode is a purely display and needs the time string of a preconnected clock once per second. This time string is spread by the serial port output to apply the time string to a number of further displays.
Firmware Updates Whenever the on-board software must be upgraded or modified, the new firmware can be downloaded to the internal flash memory via the serial port COM0. If the push button labelled with "Boot" in the rear panel is pushed while the system is powered up, a bootstrap-loader will be activated that waits for instructions from the serial port.
Rear Panel Connectors Name Type Signal Cable COM0 9pin SUB-D RS-232 / 20mA shielded data line Antenna 77.5 kHz shielded coaxial cable Power supply power cord receptacle 230V AC power supply cord ...or 2-pin DFK 5V, 12V or 24V DC 2-wire, 0.5mm² min. Pin Assignment of the D-SUB Connector Vcc (optional) 20mA in +...
Framing: 7e2 or 8n1 OUTPUT MODE : configurable by DIL switches once per second, once per minute or only on request ("?") TIME ZONE: configurable by DIL switches MEZ/MESZ=CET/CEST, UTC OUTPUT STRING: see "Format of the Meinberg Standard Time String"...
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CONNECTORS: HF BNC connector D-SUB9 female connector power cord receptacle ANTENNA: active external ferrite antenna in a plastic case Length of the cable: up to 100m without amplifier HOUSING: Aluminium stack case PHYSICAL DIMENSIONS: height x width x depth (72mm x 144mm x 132mm) cutout in control panel: 140mm x 68mm POWER REQUIREMENTS: 230V AC ±...
Format of the Meinberg Standard Time String The Meinberg Standard Time String is a sequence of 32 ASCII characters starting with the STX (start-of-text) character and ending with the ETX (end-of-text) charac- ter. The format is: <STX>D:dd.mm.yy;T:w;U:hh.mm.ss;uvxy<ETX> The letters printed in italics are replaced by ASCII numbers whereas the other characters are part of the time string.
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