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SICLOCK® GPS1000 Radio Clock
2XV9450-1AR82
User Manual
2.0
Revision: August 2012
Order No.: 2XV9450-1AR82-BA
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User Manual SICLOCK GPS1000 Responsible Distributor: Siemens AG, I&S EDM, Germany Contact person: local Siemens branch Orders: local Siemens branch Published by: Siemens AG I IA CE SE Würzburger Straße 121 D-90766 Fürth SICLOCK-Hotline: Phone: +49 (9131) 7-2 88 66 Fax: +49 (9131) 18-8 06 04 E-Mail: siclock@siemens.com WWW: http://www.siemens.com/siclock Technical subject to change without no
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User manual SICLOCK GPS1000 Contents: 1. Safety instructions ........................................................................................................5 2. Brief Overview...............................................................................................................7 2.1. Function ....................................................................................................................................7 2.2. Scope of Delivery........................
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User Manual SICLOCK GPS1000 4 Version 2.0 Order number 2XV9450-1AR82-BA
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User manual SICLOCK GPS1000 1. Safety instructions C C C Ca a a au u u uttttiiiio o o on n n n Please observe the safety instructions on the back of the cover sheet of this documentation. You should not expand your device unless you have read the relevant safety instructions. If you have questions about the validity of the installation in the planned environment, please contact your service representative. Smooth and safe operations demand proper transport, proper storage, ins
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User Manual SICLOCK GPS1000 E E E ES S S SD D D D g g g gu u u uiiiid d d de e e elllliiiin n n ne e e es s s s Modules containing electrostatic sensitive devices (ESDs) can be identified by the following label: Strictly follow the guidelines mentioned below when handling modules containing ESDs: • Before working with modules containing ESDs, you must discharge all your personal static e.g. by touching a grounded object. • All devices and tools must be free of static charge.
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User Manual SICLOCK GPS1000 2. Brief Overview 2.1. Function SICLOCK GPS1000 is a modern GPS radio-controlled clock which can be used worldwide for the reception of time signals from the 24 American GPS satellites. At the output of the GPS1000 antenna head a DCF77 time telegram with Greenwich Meantime is available. The advantage of the GPS1000 is that the antenna, GPS receiver and GPS decoder are integrated in the an- tenna head as one unit and there is therefore no need to lay coaxial
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User Manual SICLOCK GPS1000 Connection to SIMATIC S7 Digital input: via shielded twin-core control cable from terminal X2/1,2 at SICLOCK GPS1000 PS to the corresponding SIMATIC S7 digital input. (necessary function module for step7 - software: 2XV9450-1AR30). 12. Switch on the mains power. When the green LED “Pwr” is illuminated, the initializing of the antenna head now begins (yellow LED “Sig” permanently illuminated). After successful initialization, the initializing of the time recepti
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User Manual SICLOCK GPS1000 3. Installation instructions 3.1. Connection to SICLOCK TM or PC Fig 2 shows a schematic diagram of the connection of GPS1000 to SICLOCK TM or to a PC without lightning pro- tection. The parts illustrated in photos and the grey cables are included in the scope of delivery of the complete package SICLOCK GPS1000. The red cables must be provided on site. Power supply 24-230 V/DC or 48-230 V/AC Fig 2: Installation diagram for SICLOCK TM and PC without lig
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User Manual SICLOCK GPS1000 Parameterization required for SICLOCK TM: 1. Set input E1 to DCF passive. 2. Set time zone according to the location in relation to GMT (see SICLOCK TM manual) Fig. 3 shows in schematic diagram the connection of GPS1000 to SICLOCK TM or to a PC with the lightning pro- tection module 2XV9450-1AR83. The parts illustrated in photos and the grey cables are included in the scope of delivery for the complete package SICLOCK GPS1000 except of the lightning protecti
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User Manual SICLOCK GPS1000 3.2. Connection to SICLOCK TC400 / TC100 or TS Fig. 4 shows in schematic diagram the installation of SICLOCK TS without lightning protection . The parts illus- trated in photo and the grey cable are included in the scope of delivery for the complete package SICLOCK GPS1000. The red cable must be made available on site. Siclock TC400 X2 7 8 9 Fig 4: Installation diagram for SICLOCK TS without lightning protection module. Parameterization required
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User Manual SICLOCK GPS1000 Fig. 5 shows a diagram of the connection from GPS1000 to SICLOCK TS with lightning protection module 2XV9450-1AR83. The parts illustrated in photo and the grey cable are included in the scope of delivery for the complete package SICLOCK GPS1000 except of the lightning protection module. The red and green cables must be made available on site. The lightning protection module should be installed in the building as near as possible to where the antenna ca- ble
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User Manual SICLOCK GPS1000 4. Lightning Protection When exterior antennas are used in industrial areas, a reliable lightning protection is of the utmost importance for operating the system safely. The installation of a lightning protection unit alone is not sufficient. The antenna and antenna cable must be in- stalled in such a way that a direct stroke of lightning or flashover in these parts is not possible. Otherwise it would not be possible to prevent the destruction of parts of the
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User Manual SICLOCK GPS1000 4.2. Parts of buildings in danger of being struck by lightning The determination of potential areas in danger of being struck by lightning can be done in a very simple way by conjuring up a mental picture of the ball of lightning rolling over all the surfaces and edges of the building to be examined (see Fig 7 and Fig 8). All areas, where the ball of lightning touches surfaces or edges, are in danger of being struck by lightning (shown in red). Fig 7
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User Manual SICLOCK GPS1000 4.3. Inducting effect during lightning strikes Another important parameter influencing the choice of antenna location is the induction effect which arises from lightning conductors or building parts where lightning current flows through. When the lightning hits into a lightning conductor, within a few hundred nanoseconds, voltages of several megavolts are built up, which result in conducted currents up to several 10000 amps with correspondingly steep surge pu
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User Manual SICLOCK GPS1000 5. Mounting the antenna 5.1. Procedure for selecting the installation location The best reception is achieved when the antenna is installed in the open air. This however, means that there is a possible danger of lightning striking. Therefore the location selection criteria in chapter 3.4 are of utmost importance! Concerning the best performance for signal reception, the following points should be taken into account when selecting a suitable location: The
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User Manual SICLOCK GPS1000 1 - Antenna head 2 - Cube with 6 hexagon socket set screws 3 - Allan key for cube installation 4 - Sealing cover 5 - Antenna stand with base plate and holding arm Fig 10: Wall mounting (a) Mark the position of the mounting holes at the planned place with the aid of the base plate (5), drill the holes and insert dowels. . (b) In preparation of the antenna installation, it shall be taken into account whether the antenna is to be a
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User Manual SICLOCK GPS1000 6. Appendix 6.1. Technical data SICLOCK GPS1000 Antenna head with mounting stand Operating frequency: 1.574 GHz Precision: max. 1 µ sec Time of day transmitted: GMT Parameterization: not necessary Antenna cable (coaxial): not necessary Connecting cable: 2.5 m shielded twin-core control cable Connection extension: via shielded twin-core control cable and conduit box supplied Maximum cable length: 1000 m Time telegram transmitted: DCF77 simu
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User Manual SICLOCK GPS1000 6.3. Precision The absolute time precision for the individual DCF output interfaces is maximum 60 µs for the TTY interfaces and maximum 10 µs for the RS232 interface. The relative precision is better than 3 µs for both interfaces. The relative precision specifies the maximum deviation of two sequential impulses. The absolute precision is the offset to the atomic clock supplying the whole GPS system. If signals from only four satellites or less are received, a
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User Manual SICLOCK GPS1000 Notes: 20 Version 1.0 Order number 2XV9450-1AR82-BA
