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NeoClock

page 14

APPENDIX A

CONTROL CODES

The operation mode of NeoClock can be to configured using following
ASCII control codes:

Selecting the mode

"8"

transmission of the data string in binary mode

"9"

transmission of the data string in ASCII mode

"N"

select the binary data string as shown in table 2
(with header indicating the antenna system in use and time string
with hundreds of seconds)

Selecting the data output rate

"A"

automatic transmission of 1 data string / second

"E"

automatic transmission of 1 data string / minute

"@"

transmission of the data string only on request

Serial number

"$"

ask for the serial number of the receiver (6 bytes).

Firmware Version

"V"

firmware version and copyright

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Содержание NeoClock

Страница 1: ...NEOL NeoClock User s guide Radio controlled clock NEOL S A Version 06 2001 E N G L I S H ...

Страница 2: ......

Страница 3: ...NG THE RECEIVER 4 5 INSTALLING YOUR PROGRAM 4 6 RECEIVER POSITIONING 5 6 1 THE CONTROL LEDS 6 6 1 1 DCF77 antenna system 6 6 1 2 France Inter antenna system 7 6 2 IMPORTANT REMARKS 9 7 OPERATION 10 8 FOR SOFTWARE DEVELOPERS 11 9 DATA TRANSMISSION 13 9 1 FORMAT 13 9 2 PROTOCOL 13 ...

Страница 4: ...LE 1 BINARY OUTPUT 1 15 APPENDIX C 16 TABLE 2 BINARY OUTPUT 2 16 APPENDIX D 17 TABLE 3 ASCII OUTPUT 17 APPENDIX E 18 TROUBLESHOOTING 18 APPENDIX F 19 TECHNICAL FEATURES 19 APPENDIX G 20 CE CONFORMITY DECLARATION 20 APPENDIX H 21 REGISTRATION CARD 21 ...

Страница 5: ...be picked up as far as 2 500 to 3 500 km away from Allouis NeoClock consists of a plastic case desk version in a blue ABS casing or industrial version in a polycarbonate IP67 casing equipped with a 5 meter serial cable The cable features a 9 points SUB D female connector that can be directly connected to the standard serial port of a PC Inside the case an original 2 antenna device guarantees the b...

Страница 6: ...n accordance with this manual under normal use and service No liability for consequential damage neither NEOL nor its suppliers shall be liable for any damage whatsoever including without limitation any loss of business profits data loss or any financial loss resulting from the use of or the inability to use the NeoClock product even if NEOL has been advised of the possibility of such damage In an...

Страница 7: ...two years of the purchase date The 90 day period starts at the first support request You will find answers to the most frequent questions in the present manual appendix E Troubleshooting The latest data on NeoClock are available on Internet You re welcome on our web support page at www neol com e mail support neol com or fax 33 03 88 33 37 72 ...

Страница 8: ... Plug in and switch on your system again 5 INSTALLING YOUR PROGRAM First at all your software MUST activate the RTS and DTR lines since they power the NeoClock receiver Both lines must have a positive potential they correspond respectively to the pins 4 and 7 of the NeoClock cable connector As soon as these lines have a positive potential the POWER LED or left LED in front view on the desk version...

Страница 9: ...eption of the product Do not fix the NeoClock receiver in any place yet because you will perhaps have to move and test it in different places to find the best reception of the radio signal The RADIO SIGNAL LED or right LED in front view on the desk version will help you find a place where the reception of the radio signal is clear enough Once this LED remains continuously on during 2 to 3 minutes ...

Страница 10: ...hours green blinking Indicates that the time data coming from the atomic clock could be decoded without error These data were sent to the connected PC through the V24 RS232 connection and were also used to synchronise the autonomous quartz clock of NeoClock RADIO SIGNAL LED or right LED in front view on the desk version off Indicates that the signal DCF77 is not received correctly green Indicate t...

Страница 11: ...out error These data were sent to the connected PC through the V24 RS232 connection and were also used to synchronise the autonomous quartz clock of NeoClock RADIO SIGNAL LED or right LED in front view on the desk version red blinking Indicates a very low level of reception of the radio signal green blinking Indicates a medium level of reception of the radio signal green Indicates a good level of ...

Страница 12: ... m approximately the TDF France Inter transmitter stops to send time data for maintenance reasons However you can still obtain a high precision synchronization of your system during this period by using the NeoClock quartz clock data Also see 6 2 IMPORTANT REMARKS for the positioning of the receiver ...

Страница 13: ...s any other interference source Reception is difficult in some areas Try several different places before choosing the final location of the NeoClock receiver Place the receiver if possible close to a window high up Do not place it in rooms where reception is not possible such as in a basement in the middle of a building with a metallic structure If your computer is located in a room where receptio...

Страница 14: ... to achieve the best reception possible NeoClock features an original system with two antennas A sophisticated demodulator system sends its pulses to the microprocessor of NeoClock for sampling decoding and saving In order to guarantee the safety of the data the NeoClock processor discards any irrelevant data such as hour 27 day 32 month 18 these values can actually appear in the case of electroma...

Страница 15: ...e validation of the data compare the last received data string with the previous one If the difference is too big do not take the time sequence into account If possible compare the time data you received with those from your system clock If they are too different from each other do not take the time sequence into account To get the best possible accuracy Do not acknowledge the time sequence unless...

Страница 16: ... 23 means year 2023 Daylight saving evaluation No CMOS clock can manage the date of daylight saving So be careful with the evaluation of the daylight saving information transmitted by NeoClock as long as the time data transmitted by the system are coming from the NeoClock autonomous quartz clock ...

Страница 17: ... quartz clock b In the case of good reception of the radio signal at the reception of the synchronisation signal from the radio signal corresponding to the zero second shift Using control codes see APPENDIX A CONTROL CODES it s possible to select a second binary output mode see APPENDIX C TABLE 2 or an ASCII output mode see APPENDIX D TABLE 3 9 1 FORMAT Serial transmission parameters Baud rate 2 4...

Страница 18: ...II mode N select the binary data string as shown in table 2 with header indicating the antenna system in use and time string with hundreds of seconds Selecting the data output rate A automatic transmission of 1 data string second E automatic transmission of 1 data string minute transmission of the data string only on request Serial number ask for the serial number of the receiver 6 bytes Firmware ...

Страница 19: ...ata come from the atomic clock The radio signal was decoded correctly bit 4 0 Daylight saving time bit 17 of the radio signal 1 Winter time bit 5 0 The quartz clock of NeoClock has not been synchronised with the atomic clock since the last starting of the receiver 1 The autonomous quartz clock was synchronised with the atomic clock since the last starting of the receiver bit 6 0 Normal value 1 Swi...

Страница 20: ...om the atomic clock The radio signal was decoded correctly bit 4 0 Daylight saving time bit 17 of the radio signal 1 Winter time bit 5 0 The quartz clock has not been synchronised with the atomic clock since the last starting of the receiver 1 The quartz clock was synchronised with the atomic clock since the last starting of the receiver bit 6 0 Normal value 1 Switches to 1 one hour before the tim...

Страница 21: ...ous quartz clock of NeoClock was not synchronised yet with the atomic clock since it s been powered I indicates that the autonomous quartz clock of NeoClock has already been synchronised with the atomic clock since it was powered 58h or 49h 32 Indent 2Dh 33 34 xx Number of minutes hex of good reception of antenna 1 DCF77 et France Inter xxh 35 Indent 2Dh 36 37 xx Number of minutes hex of good rece...

Страница 22: ...LED remains out or does not stay on continuously although the POWER LED left LED on the desk version flashes regularly every second Problem the microprocessor system works correctly but cannot decode the radio signal Solution move the receiver until you find a place providing a better reception of the signal see SECTION 6 2 IMPORTANT REMARKS FOR THE POSITIONING Your system does not receive data fr...

Страница 23: ...d 7 RTS Power supply through PC serial link TxD RTS and or DTR Consumption around 5 mA at 8 V DC Picked up radio signal DCF77 version DCF77 signal from the Mainflingen transmitter near Frankfurt in Germany frequency 77 5 kHz France Inter version France Inter signal from the TDF transmitter of Allouis near Bourges in France frequency 162 kHz Reception antennas DCF77 version 2 antennas with two demo...

Страница 24: ...ation standards and manufacturer s instructions EN 60950 09 92 amendments 1 1993 2 1993 3 1995 and 4 1996 EN 55022 09 98 Radio disturbance characteristics of Information Technology Equipment EN 55024 01 99 Immunity characteristics of Information Technology Equipment According to the requirements of the Directive 1999 5 EC of the European parliament and of the council of 9 March 1999 on radio equip...

Страница 25: ...technical support for 90 days within 2 years of the purchase date The 90 day period starts at the first support request You also will receive information about new products and updates NEOL S A Date Name Company Address Zip City Country E mail Phone Fax Version DCF77 Serial Nr France Inter Seller Date of purchase Stamp and signature ...

Страница 26: ...NeoClock page 22 NOTES ...

Страница 27: ...d and made in France by NEOL EQUIPEMENTS INFORMATIQUES 4 Rue Nationale BP 11 67801 BISCHHEIM Cedex Fax 33 03 88 33 37 72 E mail info neol fr Internet www NEOL fr All modifications reserved End of document User s guide OEM A4 doc 13 06 2001 ...

Страница 28: ...NeoClock page 24 ...

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