GL-820 Data Logger Communication Driver

GL-820 Data Logger  is the driver to communicate with Data Logger controller of Grape Tec  in Korea.

1. Read settings

<Figure 1> is read setting example of GL-820 Data Logger communication driver.

<Figure 1> Read setting example of GL-820 Data Logger communication driver

Device part of  <Figure 1> input device type( TCP/IP  ), IP adress of controller( 192.168.1.114 ), service port( 8000 ) respectively, accordint to the setting of controller.

Read schedule of GL-820 Data Logger communication driver

Read schedule setting parameters are as follows:

1) station – don't care.( fixed to 0)

2) read command – Command : CURR  ( refer to <Table 1> ).

3) read start address – don't care.

4) Save start address for Communication Server – Saving start address of Communication Server.

5)    Read size – fixed to 1.

Read schedule example) 

READ, 0, CURR, 0, 0, 1,

<Table 1> is read command and readed data saving value for GL-820 Data Logger communication driver.

GL-820 Data Logger communication driver store the same data in WORD, DWORD, FLOAT, DOUBLE memory, but the data format are different.

If you click the icon  in protocol option part at <Figure 1>, you can see the dialog box such as <Figure 2>. you can also set read schedule by using this part.  

<Figure 2> Example of GL-820 Data Logger communication driver’s Option dialog box

You can set read schedule by using , ,  button and listbox of <Figure 2>.

<Figure 3> Example of GL-820 Data Logger communication driver’s read schedule Add/Edit dialog box

When you click Add button or Edit button in dialogue box of <Figure 2>, dialogue box of <Figure 3> is shown.

2. Write settings

GL-820 Data Logger communication driver don't support Write settings.

3. Appearance of GL-820 Data Logger

<Figure 4> shows the appearance of GL-820 Data Logger.

<Figure 4> Appearance of GL-820 Data Logger