Meinberg DCF600HS Manuale utente
MANUAL
DCF600HS
DCF Clock with serial Interface
24th July 2018
Meinberg Funkuhren GmbH & Co. KG
Table of Contents
1 General Information about DCF77 1
2 Overview DCF600HS 2
2.1 RS232 Output ................................................. 2
2.2 Power Supply ................................................. 2
2.3 Housing - Technical Specifications .................................... 2
2.4 Assignment of the Terminal Connectors .................................. 3
2.5 Mounting the Antenna ............................................ 3
2.6 D-SUB Connector Pin Assignments .................................... 4
2.7 Pulse Outputs ................................................. 4
3 Configuration DCF600HS 8
3.1 Configuration mit MBGMON ........................................ 8
3.1.1 Firmware Updates .......................................... 11
3.2 Configuration with Meinberg Device Manager .............................. 12
4 Time Strings 14
4.1 Format of the Meinberg Standard Time String .............................. 14
4.2 Format of the SAT Time String ....................................... 15
4.3 Format of the Uni Erlangen String (NTP) ................................ 16
4.4 Format of the NMEA 0183 String (RMC) ................................. 18
4.5 Format of the ATIS standard Time String ................................. 19
5 Declaration of Conformity 20
Date: 24th July 2018 DCF600HS
1 General Information about DCF77
1 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 Frankfurt/Germany transmits the reference time of the Federal
Republic of Germany. This time reference is either the Central European Time (Mitteleuropäische Zeit, MEZ)
or the Central European Summer Time (Mitteleuropäische Sommerzeit, MESZ). The transmitter is controlled
by the atomic clock plant at the Federal Physical Technical Institute (PTB) in Braunschweig/Germany and
transmits the current time of day, date of month and day of week in coded second pulses. Once every minute
the complete time information is available.
At the beginning of every second the amplitude of the high precision 77.5 kHz carrier frequency is lowered
by 75% for a period of 0.1 or 0.2 sec. The length of these time marks represent a binary coding scheme using
the short time mark for logical zeroes and the long time mark for logical ones. The infomation on the current
date and time as well as some parity and status bits can be decoded from the time marks of the 15th up to the
58th second every minute. The absence of any time mark at the 59th second of a minute signals that a new
minute will begin with the next time mark.
Our radio remote clocks decode the highly accurate information on date and time within a wide range around
Germany. So some of our clocks are installed in Bibao/Spain as well as in the City of Umeå in northern Sweden
- fully statisfying the requirements of the users. The radio remote clocks automatically switch to summertime
and back. The reception of the time information is free of charge and does not need to be registered.
Gernerally it is important to position the antenna in an optimal way. It should be mounted at least 30 cen-
timeters away from the clock unit and from solid steel. The antenna should be aligned at a right angle to the
direction of the transmitter (Frankfurt).
0
10
20
30
40
50
R
M
1
4
2
1
0
2
10
8
4
2
1
P2
20
0
1
8
4
2
1
2
4
8
10
1
2
4
8
10
20
40
80
P3
A1
1
Z
Z2
A2
S
1
2
4
8
10
20
40
P1
Kodierung
nach Bedarf
Minute
Stunde
Kalendertag
Wochentag
Kalender-
monat
Kalenderjahr
M Minutenmarke (0.1 s)
R Aussendung über Reserveantenne
A1 Ankündigung Beginn/Ende der Sommerzeit
Z1, Z2 Zonenzeitbits
Z1, Z2 = 0, 1: Standardzeit (MEZ)
Z1, Z2 = 1, 0: Sommerzeit (MESZ)
A2 Ankündigung einer Schaltsekunde
S Startbit der codierten Zeitinformation
P1, P2, P3 gerade Paritätsbits
DCF600HS Date: 24th July 2018 1
2 Overview DCF600HS
2.1 RS232 Output
An asynchronous serial port can be used to transmit information on date and time to other devices. The clock
is configured to send time messages automatically with 19200 baud and and with a framing of 8N1 once per
second. The baud and the framing can be configured by a Monitorprogram.
2.2 Power Supply
The system requires an operating voltage of 20-60 V DC witch is applied via two contacts of the integrated
screw terminal. The receiver is DC isolated due to an internal DC/DC converter, the isolation voltage is 1.5 KV
DC.
2.3 Housing - Technical Specifications
The receiver module is mounted in a plastic housing for 35mm DIN mounting rails. Two status LEDs (for
modulation and free-running mode), the BNC antenna connector and a D-SUB connector for the serial RS232
interface are integrated in the front side of the housing.
Chassis Type: Dold Enclosure type KO4762, IP40 protected
Physical Dimensions: 73,2mm x 45mm x 120mm (hight x width x depth)
Elektr. Anschlüsse: 9 pin sub D female connector
Antenna - BNC female connector
screw terminal for connecting the pulse outputs and the power supply
Betriebsspannung: 20-60 V DC
Stromaufnahme: approx. 100 mA
Ambient Temperature: 0 ... 50◦C / 32 ... 122◦F
Storage Temperature: -20 ... 70◦C / -4 ... 158◦F
Humidity: max. 85%
2 Date: 24th July 2018 DCF600HS
2 Overview DCF600HS
2.4 Assignment of the Terminal Connectors
Assignment of the terminal block: 1
————————————————
VDD: positive potential
of power supply
GND: reference potential
of power supply
Photocoupler outputs (PPO)
1: PP 1- Emitter of photocoupler
2: PP 1+ Collector of photocoupler
3: PP 2- Emitter of photocoupler
4: PP 2+ Collector of photocoupler
5: Ground Earth
————————————————
2.5 Mounting the Antenna
Generally it is important to position the antenna in an optimal way. The antenna should be aligned at a right
angle to the direction of the transmitter (Frankfurt). It should be mounted at least 30 centimeters away from
the clock unit and from solid steel. A distance of several meters is recommended to all TVs or computer monitors.
If the antenna is installed properly and the signal from DCF77 can be received without strong distortions,
the "Mod." LED starts blinking exactly once per second, corresponding to the time marks from DCF77. If this
LED flashes intermediately, there is some electrical noise around which prevents the microprocessor from de-
coding the time message. So a better location for the antenna must be found. In case of correct reception it
takes up to three minutes after power-up until the clock is synchronized and the "FR" LED is turned off. It is
turned on again to indicate the loss of or an error in reception. If the clock have lost reception for more than 2
hours the "FR" LED starts blinking. The scope of supply includes an active ferrite antenna for indoor mounting
(AI01) and 5m of RG174 coaxial cable. When mounting the antenna outdoor the weather proof Antenna AW02
is to use.
1tightening torque of the screws in the terminal block max. 0,9 Nm
DCF600HS Date: 24th July 2018 3
2.6 D-SUB Connector Pin Assignments
Pin 1 nc
Pin 2 TxD
Pin 3 RxD
Pin 4 nc
Pin 5 GND
Pin 6 nc
Pin 7 nc
Pin 8 nc
Pin 9 nc
1
6
5
9
2.7 Pulse Outputs
The terminal block provides two photocoupler outputs:
Screw clamp 1: Emitter of photocoupler 1 (PP 1-)
Screw clamp 2: Collector of photocoupler (PP 1+)
Screw clamp 3: Emitter of photocoupler 2 (PP 2-)
Screw clamp 4: Collector of photocoupler 2 (PP 2+)
Screw clamp 5: ground earth
The DCF600HS generates a PPS (pulse per second, PP 1) and a PPM (pulse per minute, PP 2). This pulses
have a duration of 200 ms and are generated after the clock has synchronized first. The pulse output is elec-
trically insulated by a photocoupler.
In case of DCF77 reception failure the pulse generator is active even for the next 12 hours. After that pe-
riod the generator will be disabled.
4 Date: 24th July 2018 DCF600HS
2 Overview DCF600HS
Photocoupler output(PP 1,PP 2):
(max. 70 V, 20 mA; E = Emitter, C = Collector), pulse duration: 200 ms
Photocoupler Outputs
IC1
TLP181
IC9
TLP181
PP 2
PP 1
4
3
2
1
A
K E
C
A
K E
C
Connection
IC1
TLP181
IC9
TLP181
PP 2
PP 1
4
3
2
1
A
K E
C
A
K E
C
DCF600HS
VDD max. 70V
GND
VDD max. 70V
GND
load
max. 20mA
load
max. 20mA
DCF600HS Date: 24th July 2018 5
Pulses
Idle Mode
Selecting "Idle" deactivates the output.
Pulses Per Second, Per Min, Per Hour Modes
These modes generate pulses of defined length once per second, once per minute or once per hour. "Pulse
length" determines the pulse duration (10 msec...10 sec).
Cyclic Pulse mode - generating of periodically repeated pulses
The value of "Time" determines the time between two consecutive pulses. This cycle time must be entered as
hours, minutes and seconds. The pulse train is synchronized at 0:00 o’clock local time, so the first pulse of a
day always occurs at midnight. A cycle time of 2 seconds for example, would cause pulses at 0:00:00, 0:00:02,
0:00:04 etc. Basically it is possible to enter any cycle time between 0 and 24 hours, however usually a cycle
times that cause a constant distance between all consecutive pulses make sense.
DCF77 Marks
In "DCF77 Marks" mode the selected output simulates the telegram as transmitted by german time code trans-
mitter DCF77. The generated time code is related to the local time zone. If you want DCF simulation to
be disabled when the clock is in free running mode, you can enter the delay (given in minutes) for deactivat-
ing the DCF-Simulation with the "Timeout" value. DCF Simulation is never suspended, if the delay value is zero.
Single Shot Modus
Selecting Singls Shot generates a single pulse of defined length once per day. You can enter the time when
the pulse is generated with the "Time" value. The value "pulse length" determines the pulse duration. The pulse
duration can vary from 10 msec to 10 sec in steps of 10 msec.
6 Date: 24th July 2018 DCF600HS
2 Overview DCF600HS
Timer Mode
This mode simulates a programmable day assigned timer. Three turn-off and turn-on times are programmable for
each output. If you want to program a switchtime, change the turn-on time "On" and the corresponding turn-off
time "Off". A turn-on time later than the turn-off time would cause a switch program running over midnight. For
example a program "On"10.45.00, "Off" 9.30.00 would cause an active ouput from 10.45 to 9.30 (the next day!). If
one or more of the three switching times are unused just enter the same time into the values "On" and "Off". In
this case the switch time does not affect the output.
As already mentioned, the outputs home position is selected by "active: high or low".
Time Slots
In this mode, you can select defined time slots. "Number of Time Slots" determines the number and length of
the time slots based to one minute. The "Pre-limit buffer" allows to set a premature shutdown. This can be
configured in the range between 50ms and 500ms to prevent overlap of time slots.
Example:
•Number of Time Slots = 10
•Pre-limit buffer = 500ms
Time slots 1 and 2 are enabled (0 - 6s and 6 - 12s).
In fact, the outputs triggers from 0 - 11,5s.
DCF600HS Date: 24th July 2018 7
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