DCF Connection#

The DCF receiver server for fully automatic adjustment and synchronization of time using the DCF radio signal with a coverage withing the diameter of 1500 km around the Germany city Frankfurt am Main.

Comprehensive information about time and date is then transferred into the DCF transmitter located in Mainflingen near to Frankfurt. The transmitter transmits long-wave signals at 77.5 kHz frequency.

The DCF receiver guarantees absolutely precise time data with automatic transition to the daylight saving time.

Installation#

AD 650#

1

See the AD 650 user manual for more information: https://docs.mobatime.cloud/AD-650/

  1. Install the AD 650 receiver to desired place.

    • Generally the AD 650 receiver is supplied with 10 m long cable, but it can be located also at a longer distance, in which case it is advisable to connect it via a twisted pair of up to 200 m.

    Caution

    Do not install the AD 650 receiver close to buildings consisting of metallic steel structures, near to PCs, TV and radio receivers or in places surrounded with thick walls or into underground or cellar areas.

  2. Connect the cable to terminals according to the image and connection table below:

../../_images/hn-9m-aud-dcf4500.svg
Wire Color and Connection Table#

Wire color

HN 60a terminal

Brown

DCF in +

White

DCF in −

DCF 4500#

  1. Install the DCF 4500 receiver to desired place.

    • Generally the DCF 4500 receiver is supplied with 10 m long cable, but it can be located also at a longer distance, in which case it is advisable to connect it via a twisted pair of up to 200 m.

    Caution

    Do not install the DCF 4500 receiver close to buildings consisting of metallic steel structures, near to PCs, TV and radio receivers or in places surrounded with thick walls or into underground or cellar areas.

  2. Connect the cable to terminals according to the image and connection table below:

../../_images/hn-9m-aud-dcf4500.svg
Wire Color and Connection Table#

Wire color

HN 60a terminal

Brown

DCF in +

White

DCF in −

GNSS 4500#

  1. Install the GNSS 4500 receiver to desired place.

    • Generally the GNSS 4500 receiver is supplied with 10 m long cable, but it can be located also at a longer distance, in which case it is advisable to connect it via a twisted pair of up to 200 m.

    Caution

    Do not install the GNSS 4500 receiver close to buildings consisting of metallic steel structures, near to PCs, TV and radio receivers or in places surrounded with thick walls or into underground or cellar areas.

  2. Connect the cable to terminals according to the image and connection table below:

../../_images/hn-9m-aud-gnssdcf.svg
Wire Color and Connection Table#

Wire color

HN 60a terminal

Yellow

+24V

Green

24V−

Brown

DCF in +

White

DCF in −