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GSM modem with watchdog

Industrial GSM modem with watchdog

GSM modem front view

GSM modem front

GSM modem front

  • RS232 on D-SUB9
  • Three status LED

GSM modem back view

GSM modem back

GSM modem back

GSM modem back
  • Antenna interface SMA/F
  • SIM card holder push / push
  • I/O interface with 6 pins (functions differs on the version of the GSM modem)
  • Power connector with 4 pins, 8 to 36 DC, inverse voltage protection
  • Back up battery (option)
  • Python interpreter
  • Operation as standard AT modem with watchdog and or battery
  • Operation as low cost PLC (programmable logic controller) replacement and program code on licence free Python language

GSM modem general

  • Temperature range: -25 to 70 degree Celsius
  • Enclosure: 57 x 87 x 27 (mm), aluminium
  • EN 55011 class A, EN 61000-6-1, IP20
  • Quadband GSM / GPRS 850/900/1800/1900 GPRS class 10
  • Embedded TCP/IP, UDP/IP, FTP, SMTP
  • SMS, data, fax, DTMF
  • Several types of hardware watchdog

GSM modem unique features

  • Reboot each 4 to 24 hours (by jumper)
  • Watch dog of the Python code by external micro controller ( by jumper)
  • Reboot of the GSM modem by command on RS232 ( by jumper)
  • Emergency battery inside (hardware option)
  • Secured against vibration by snap in connectors
  • Ready to use Python programs for different tasks
  • Free of charge tools to write and upload own Python programs
  • Local technical trainings for coding in Python (on request)
  • Test server to upload data logged or collected by GPRS (HTML, TCP/IP)

GSM modem block diagram

GSM modem with watchdog and battery

GSM modem with watchdog and battery

GSM modem family

GSM modem standard

  • Digital input with optical coupler 0 to 28  VDC =4
  • Output relay 1 A , 60 VDC
  • I2C bus for external extension= No
  • Back up battery = No

GSM modem with battery

  • Digital input with optical coupler 0 to 28 VDC =4
  • Output relay 1 A , 60 VDC
  • I2C bus for external extension= No
  • Back up battery = No

GSM modem with I2C bus and no battery

  • Digital input with optical coupler 0 to 28 VDC =2
  • Output relay 1 A , 60 VDC
  • I2C bus for external extension= Yes (1)
  • Back up battery = No

GSM modem with I2C bus and battery

  • Digital input with optical coupler 0 to 28 VDC =2
  • Output relay 1 A , 60 VDC
  • I2C bus for external extension= Yes (1)
  • Back up battery = Yes

GSM modem application examples

Burglar alarm, monitoring of server room, standard AT modem with watchdog, operating hour timer of machines, remote control, remote monitoring, fault detector, data logger … and a lot of more

If you have interest in this GSM modem made by a business friend of mine then just drop an email to harald.naumann (at) gsm-modem.de or use the form to get further details.

Updated: 2011-07-16 — 10:27 PM

7 Comments

Add a Comment
  1. please send me more details and pricing and the monitoring software

  2. Hello Harald,

    It would seem that the last link you posted has worked for me. Very interesting looking product. I would be grateful for further details about the unit if you have them and proicing information.

    Best regards,
    Shane

  3. Hi

    Interested in GORS device that will take in serial input and present data to our data server. Can you please send e details and some idea of costs on your product so we can consider its suitability for our application.

    Regards
    Inder

  4. Hi

    Interested in GPRS device that will take in serial input and present data to our data server. Can you please send e details and some idea of costs on your product so we can consider its suitability for our application.

    Regards
    Inder

  5. Hi Inder,
    you got an email with propsal for the product listed here:
    http://www.gsm-modem.de/M2M/m2m-gallery/gsm-modem-with-watch-dog/
    Regards
    Harald

  6. Hi Inder, just have a look here http://www.gsm-modem.de/M2M/m2m-gallery/gsm-modem-with-watch-dog/
    Does it fit to your needs?
    Regards
    Harald

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