Mac-tel Gsm/gprs Terminal

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GSM/GPRS Terminal supplied with this guide is a trendy purpose wise device for acquiring information from Modbus client devices and pushing the identical to server on HTTP Protocol.

The Terminal has a RS485 port to which maximum of 32 modbus client gadgets may be connected parallel. The Terminal may be configured to query these client gadgets and push the facts to a centralized server.

The records could be a ASCII string which is precisely equal because the information acquired from the consumer device on sending the configured command. After this the terminal will ballot the subsequent tool and speak the information to the server. This method will continue for all of the configured gadgets. It may be stated that the time required to ballot one device will depend on following elements,

1) Time Taken to finish polling of device which in turn will depend on poll timeout and number of ballot tries
2) Size of facts to be communicated from the device to the server and additionally at the sized of records communicated from the server to the tool on receipt of a http put up request.
Three) Availability and velocity of the GPRS connection