Shenzhen
3onedata Technology Co., Ltd
12
5.4 Mode settings
5.4.1 Serial port setting.
Serial interface setting menu:
Serial interface setting menu
Data optional
Function decription
Working mode
Full duplex/half duplex
Baud rate
（
bps
）
300-115200
（
10 baud rate optional
）
Parity bits
None,Even,Odd,Mark,Space
Data bits
（
bits
）
5,6,7,8
Stop bits(bits)
1,2
Data frames(bytes)
1-1024
Character spacing
（
ms
）
1-500
CtrlBreak default output time
（
ms
）
0-60000
Enter into NP301’s Web interface, click [Serial Setting], choose the required configuration in the
corresponding drop-down menu.
。
Serial settings Web interface as figure 5.5
。
When NP301 communicate with
serial interface device, NP301’s setting is as follows:
。
（
Figure 5.5
）
Some items related with serial settings
：
[Serial Mode]
、
[Baud Rate]
、
[Parity]
、
[Data Bits]
、
[Stop bits]
、
[Max Data Packets Lenth] and [Character Delay]
，
CtrlBreak Default Output Time. The meaning of these
configuration options are explained below,
Serial Mode
：
It is similiar to full and half duplex mode of Ethernet.
Baud rate:
It is a parameter to check the communication speed. It shows to transfer how many bits in 1
second. For example, 300 baud rate means have 300 bits transferred in 1 second.
Parity bits:
It is a simple method to checkout fault in seral communication, have 4 types:
