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London Electronics Limited
Thorncote Road, Near Sandy, Bedfordshire SG19 1PU
Tel +44(0)1767 626444
Fax +44(0)1767 626446
www.london-electronics.com help@london-electronics.com
Precision calendar / clock module
ASR-GPS
Connection details and general information
GPS derived atomic time reference with precision
backup timer.
Document Ref: manuals\english\ASR-GPS.p65
Revision 2
Dated: 29 June 2009
1
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Table of Contents
Related Manuals for London Electronics ASR-GPS
Summary of Contents for London Electronics ASR-GPS
- Page 1 Thorncote Road, Near Sandy, Bedfordshire SG19 1PU Tel +44(0)1767 626444 Fax +44(0)1767 626446 www.london-electronics.com help@london-electronics.com Precision calendar / clock module ASR-GPS Connection details and general information GPS derived atomic time reference with precision backup timer. Document Ref: manuals\english\ASR-GPS.p65 Revision 2 Dated: 29 June 2009...
- Page 2 notes...
- Page 3 Alphabetic Index Connections page 10 Data output page 11 Declaration of Conformity page 16 Description page 6 Dimensions page 8 Mounting page 9 Revision record page 13 Specifications page 12 Switches page 7 Warnings page 5...
- Page 4 Introduction Please contact us if you need help, if you have a complaint, or if you have suggestions to help us improve our products or services for you. If you contact us about a product you already have, please tell us the full model number and serial number, so that we can give you accurate and fast help.
- Page 5 Please carefully read all warnings and ONLY install the item when you are sure that you’ve covered all aspects. Connect the equipment according to current IEE regulations and separate all wiring according to IEC1010. Power supplies to this equipment must have anti-surge (T) fuses rated at 315mA for DC supplies in the range 10-24 VDC.
- Page 6 Description The ASR-GPS is a high precision date and time module, which can be used as a master to feed one or more clock or date displays. The master / slave arrangement ensures that all displays are perfectly synchronised. A high precision reference oscillator is used for the timing, with a typical accuracy of +/- 3 seconds per month.
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Page 7: Internal Switches
Internal Switches You will neet to open the case to access the terminals and configuration switches. Remove the 4 corner screws, and lift off the lid, to reveal the circuit board. RS485 line settings Spare ports Data Choice RS232 RS485 Do not use Short to bias RS485 B- Low RS232... -
Page 8: Dimensions And Weights
Dimensions and weights Case width 115.0 Case forward projection 40.0 mm Case height 65.0 mm Cable gland height 20.0 mm Typical weight 175 grams Operating conditions 0 to 50 degrees C Storage conditions -20 to +70 degrees C Case sealing IP65 Case Material PolyCARBONATE... -
Page 9: Mounting The Module
Mounting the module The ASR-GPS mounts onto a triangular wall bracket. The receiver can be wired up to 500 metres away from the device it will connect to. Ideally, mount the receiver outside or near a window, with the label facing up, towards the sky. - Page 10 Blue/White & White/Blue Common Brown/White & White/Brown Power in - Screen Orange/White & White/Orange Power in + Some typical connections to London Electronics remote displays (refer to their manuals also):- ASR-GPS INT-S panel mounting display S17XX large display RS485 A+ Terminal 2...
- Page 11 See http://www.london-electronics.com/terminal.php for help on setting this up. Choose 9600 baud, not 1200 Baud. Set the jumper switches in the ASR-GPS for RS232 and connect to your PC. Press Enter then type the word Config (case sensitive) then press Enter again and you should...
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Page 12: Specifications
Specifications Power supply 11 to 30 V DC at up to 50mA. Typically 25mA at 24VDC Data output RS485 or RS232 Precision Within +/- 1 second 3.5 parts per million. approx +/- 10 seconds / month if satellite updates are not received Summer/winter time Automatic correction Time Zone setting... - Page 13 Revisions Rev 0 Released 29 August 2007...
- Page 14 Notes...
- Page 15 Notes...
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Page 16: Declaration Of Conformity
Cabling must be routed separately to heavy power carrying cabling (includes relay output wiring) All signal cabling must be screened. The screen must only be connected to the power earth terminal Signed as true and correct, for and on behalf of London Electronics Ltd........