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8.2.1.7. Configuration identifier
Function
- displays identification of current configuration
Data type
- hexadecimal
Range
- n/a, read-only parameter
Comments
- the value of this parameter increases automatically by 1 after
each successfully stored configuration.
8.2.1.8. Last configuration date
Function
- displays time and date of last successful configuration change
Data type
- text
Range
- n/a, read-only parameter
Comments
- the value changes automatically with successful configuration
change. Useful in tracing unauthorized configuration changes.
8.2.1.9. Last read of device time
Function
- displays internal module time recorded during last configuration
reading or during last time setting
Data type
- text
Range
- compliant with Date and Time format
Comments
- this field is useful in verifying last access time and checking
internal module clock settings (RTC)
8.2.2. General
General group encompasses parameters vital for whole module.
Contains data necessary for successful login to GSM network and parameters defining
module operating mode.
Note: values set here have impact on module's behavior and in worst case, when chosen
improperly may even lock the module.
NOTICE!
Availability of parameters described in following chapters depends on
firmware version and the superior parameters they depend on.
8.2.2.1. Mode of operation
Function
- defines module mode of operation in terms of internal functions
and serviced protocols.
The selection controls access to parameters connected with
selected operating mode
Data type
- selection list
Range
- Transparent
mode allowing sending GPRS data to PORT2.
Modbus RTU Master
in this mode, the MT-202 module cooperates with external
unit acting as System Modbus Master connected to PORT2.
The module routing table assigns Slaves' Modbus IDs to IP
addresses of their respective GPRS serving nodes in order to
optimize transmission.
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