IMS-GPS Clock

IMS-GPS Clock

IMS-GPS Clock

Meinberg

GPS Satellite Receiver

The frequency locking of the master oscillator to the GPS-system enables this module to generate fixed and programmable standard frequencies with high accuracy and stability. Various oscillator options allow the cost efficient implementation of different requirements concerning the accuracy of the outputs.
The pulse generator of IMS-GPS Clock module generates pulses per second and per minute. Four programmable outputs are also available. The pulses are Synchronised to UTC-second.
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Manual URL https://www.meinbergglobal.com/download/docs/manuals/english/ims-gps-receiver.pdf
Relative Humidity Max. 85%
RoHS Yes
Status info Status info by 4 LED light indicators (2mm light pipes)
  • Fail - red: time is not Synchronised
  • Ant - red: antenna faulty or not connected
  • Nav - green: positioning successfully
  • Init - blue: while the receiver passes through the initialization phase
Frequency Outputs Accuracy depends on oscillator (standard: OCXO-SQ), see oscillator list
Pulse outputs Pulse per second (PPS) and pulse per minute (PPM). TTL level, pulse width: 200msec
Accuracy of Pulse Outputs Depends on oscillator option:
< ±100ns (TCXO, OCXO LQ)
< ±50ns (OCXO SQ, OCXO MQ, OCXO HQ, OCXO DHQ, Rubidium)
Data format of interfaces Baud rate: 300, 600, 1200, 2400, 4800, 9600, 19200 Baud
Data format: 7E1, 7E2, 7N2, 7O1, 7O2, 8E1, 8N1, 8N2, 8O1
Time telegram: Meinberg Standard-Telegram , SAT, Uni Erlangen (NTP), SPA, Sysplex, RACAL, NMEA0183 (RMC,GGA,ZDA), Meinberg GPS, COMPUTIME, ION oder Capture-Telegramm
Generated Time Codes IRIG B002: 100pps, DCLS signal, no carrier, BCD time of year
IRIG B122: 100pps, AM sine wave signal, 1 kHz carrier, BCD time of year
IRIG B003: 100pps, DCLS signal, no carrier, BCD time of year, SBS time of day
IRIG B123: 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, SBS time of day
IRIG B006: 100 pps, DCLS Signal, no carrier, BCD time-of-year, Year
IRIG B126: 100 pps, AM sine wave signal, 1 kHz carrier frequency, BCD time-of-year, Year
IRIG B007: 100 pps, DCLS Signal, no carrier, BCD time-of-year, Year, SBS time-of-day
IRIG B127: 100 pps, AM sine wave signal, 1 kHz carrier frequency, BCD time-of-year, Year, SBS time-of-day
IEEE1344: Code according to IEEE1344-1995, 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, SBS time of day, IEEE1344 expansion for date, time zone, daylight saving and leap second in Control Functions Segment
C37.118: Like IEEE1344 - with turned sign bit for UTC-Offset
AFNOR: Code according to NFS-87500, 100pps, AM sine wave signal, 1kHz carrier, BCD time of year, complete date, SBS time of day
Power supply - Maximum Power Range +5V DC
Electrical Connectors 96-pin VG-rail DIN 41612
WEEE status of the product This product is handled as a B2B category product. In order to secure a WEEE compliant waste disposal it has to be returned to the manufacturer. Any transportation expenses for returning this product (at its end of life) have to be incurred by the end user, whereas Meinberg will bear the costs for the waste disposal itself.
Type of Antenna Remote powered GPS antenna/converter unit, up to 300m distance to antenna with RG58 and up to 700m distance with RG213 cable
Cable type Coaxial cable RG58 indoor or outdoor usage (BNC-, N-Norm-connector)
Synchronisation Time Max. 1 minute in normal operation mode, approx.
12 minutes after a cold start (discharged buffer battery)
Switch Outputs Four TTL outputs can configured independently for the following modes:
- free programmable cyclic or fixed impulses
- timecode
- timer mode; three 'ON'- and three 'OFF'-states can be setup per day
The switch states can be inverted for all three outputs, the impulse lengths are configurable.
The impulse output can be configured for all channels together to 'always' or 'ifsync'.
Antenna Connector BNC-connector
Backup Battery Type CR2032 - button cell lithium battery
When main power supply fails, hardware clock runs free on quartz basis, almanac data is stored in RAM
Life time of lithium battery min. 10 years
Current Consumption +5 V 1,1 A to 1,4 A (depends on oscillator option)
Receiver Type:
12 channel GPS C/A-code receiver
Antenna Cable:
shielded coax

Cable Length:
max. 300m to RG58,
max. 700m to RG213

Antenna Connector: BNC female

Input GPS:
Antenna circuit
1000 V DC insulated

Local Oscillator to Converter Frequency:
10 MHz 1

First IF Frequency:
35.4 MHz 1

1) these frequency's are transferred via the antenna cable.

Power Requirements:
12V ... 18V, 100mA (via antenna cable)
Key Features
  • 12 channel GPS C/A-code receiver
  • Oscillator Options: OCXO-SQ, OCXO-MQ, OCXO-HQ, OCXO-DHQ
  • Pulses per second and per minute
  • RS-232 interface
Operating Temperature 0 ... 50°C / 32 ... 122°F
Interface Single serial RS-232 interface
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Data Sheet Click here to view

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