DY Display Communication Driver

DY Display communication driver is the driver to communicate with electronic display board controller.

1. Read settings

<Figure 1> is read setting example of  DY Display communication driver. 

<Figure 1>  Read setting example of  DY Display communication driver

Device part of  <Figure 1> input Com Port(COM1), Baud Rate(fixed to 9600), Parity Bit(0), Data Bit(8), Stop Bit(1) respectively, according to setting of controller.

Also you can input 'the write data sending period'( 1 ~ 60 second, default : 2) by using option part.

DY Display communication driver’s read schedule

DY Display communication driver's read schedule input 'READ' one line( or blank ).

Read schedule example) 

READ,

2. Writing settings

You can write the setting value by using write settings.

Bit Write

DY Display communication driver does not support 'Bit Write'.

Word Write

Word write setting parameters are as follows:

1)  PORT                   Port no. (0 ~ 255)

2)  STATION             Don't care.

3)  ADDRESS           Writing area = 0000( 1st area ) ~ 0051(52th area).

4)  Extra1                   Don't care.

5)  Extra2                   Don't care.

Write example 1) 

Port : 0,  Station : 0,  Address : 0048,  EXTRA1 : ,  EXTRA2 : 

The setting parameter shown above is a write example of 49th area analog display.

After write setting, communication driver periodically write all the setting values.