4
Document Code: GM-HLP-0279-2108-001-02
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STATUS LED
This LED represents the status of Bluetooth. If the OP-730 is paired with the device and
Bluetooth is ready to send and receive data, the LED will be in green; otherwise, it will be in
orange as normal.
Upon sending and receiving of the data from the OP-730 and the meter, this LED fits the sending
and receiving of the data in the orange and green color flashing light.
POWER Button
The function of this button is to turn the OP-730 on and off. By pressing it, the OP-730 will turn
on and by pressing again; the OP-730 will turn off.
1.4
Software Specifications
Connecting to meter
The OP-730 is capable of connecting with all devices in IEC62056-21 in modes C and E, and
IEC62056-31 standards, and automatically modifies the baud rate during the connection. It is
also able to communicate in the DLMS mode in 2400, 4800, 9600, 19200-baud rates without any
modifying.
Settings
To send the settings to the OP-730, first connect the USB port to a computer. After creating a
virtual COM port on it, the following table commands can be sent through a COM port connection
software.
The USB port settings are as follows:
Baud rate = 115200
Parity = None
Stop Bit = 1
Number of Bits = 8
Command Type
Possible options
Command
Answer
Read Serial
10 bytes digits or letters
AT+ SERIAL?<CR><LF> <CR><LF>+SERIAL=27
90219901<CR><LF>
Read Password
4 bytes digits or letters
AT+
PASSWORD?<CR><LF>
<CR><LF>+PASSWORD
=1234<CR><LF>
Set Password
4 bytes digits or letters
AT+PASSWORD=1234<
CR><LF>
<CR><LF>OK<CR><LF
>
Read Bluetooth Name
10 bytes digits or letters
AT+NAME?<CR><LF>
<CR><LF>+NAME=OP7
30<CR><LF>
Set Bluetooth Name
10 bytes digits or letters
AT+NAME=OP-
<CR><LF>OK<CR><LF
