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Search - rs-232 - List
[
Communication-Mobile
]
CBuilder-TwoPcCommunication
DL : 0
1.用RS-232的零MODEM的连接法连好两机的连线; 2.用DOS的MODE命令设置好两机的通讯格式,两机的通讯格式必须一致。 3.用DEBUG的0命令将一数发送到串行口(2F8H-3F8H),然后在另一台机上用I命令读入串行口的内容。如果发送的内容与接收的内容一致,说明两机已连好线,否则必须检查连线,直到两机可通讯为止; 4.编一程序,将一台机的键盘输入的键值通过RS-232C口送到另一台机,并在CRT上显示键值; 5.编一程序,通过RS-232C口进行一台机到另一台机的文件复制。
Date
: 2008-10-13
Size
: 693.82kb
User
:
业
[
Communication-Mobile
]
1
DL : 0
PLC程序根据定义的通信协议(即 PLC接收信息 帧的格式和定义 )识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。
Date
: 2008-10-13
Size
: 195.51kb
User
:
傅
[
Communication-Mobile
]
2
DL : 0
PLC程序根据定义的通信协议(即 PLC接收信息 帧的格式和定义 )识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。
Date
: 2008-10-13
Size
: 143.93kb
User
:
傅
[
Communication-Mobile
]
3
DL : 0
plc程序设计。PLC程序根据定义的通信协议识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。
Date
: 2008-10-13
Size
: 84.19kb
User
:
傅
[
Communication-Mobile
]
gsm modem source code
DL : 0
通过串口RS-232虚拟modem控制GSM通讯的源代码,已测试。
Date
: 2011-06-04
Size
: 1.96kb
User
:
xphchy3327
[
Communication-Mobile
]
CBuilder-TwoPcCommunication
DL : 0
1.用RS-232的零MODEM的连接法连好两机的连线; 2.用DOS的MODE命令设置好两机的通讯格式,两机的通讯格式必须一致。 3.用DEBUG的0命令将一数发送到串行口(2F8H-3F8H),然后在另一台机上用I命令读入串行口的内容。如果发送的内容与接收的内容一致,说明两机已连好线,否则必须检查连线,直到两机可通讯为止; 4.编一程序,将一台机的键盘输入的键值通过RS-232C口送到另一台机,并在CRT上显示键值; 5.编一程序,通过RS-232C口进行一台机到另一台机的文件复制。 -1. With RS-232 zero-MODEM connection method even better connect the two machines 2. Use DOS
Date
: 2026-01-01
Size
: 694kb
User
:
业
[
Communication-Mobile
]
1
DL : 0
PLC程序根据定义的通信协议(即 PLC接收信息 帧的格式和定义 )识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。-PLC program in accordance with the definition of communication protocols (ie, PLC-frame format to receive information and definitions) to identify its information content. Through the PC s COM1 and S7-200 PLC s RS 1 232 serial port hardware connection, and then through the S7-200 series PLC to communicate programming, you can achieve with the host computer communications.
Date
: 2026-01-01
Size
: 195kb
User
:
傅
[
Communication-Mobile
]
2
DL : 0
PLC程序根据定义的通信协议(即 PLC接收信息 帧的格式和定义 )识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。-PLC program in accordance with the definition of communication protocols (ie, PLC-frame format to receive information and definitions) to identify its information content. Through the PC s COM1 and S7-200 PLC s RS 1 232 serial port hardware connection, and then through the S7-200 series PLC to communicate programming, you can achieve with the host computer communications.
Date
: 2026-01-01
Size
: 144kb
User
:
傅
[
Communication-Mobile
]
3
DL : 0
plc程序设计。PLC程序根据定义的通信协议识别其信息 内容。通过PC 的 COM1与S7-200 PLC的 RS一232端口的串行硬件连接,然后通过对 S7—200系列 PLC进行通信编程 ,就可实现与上位机通信 。-plc programming. PLC program in accordance with the definition of communication protocols to identify its information content. Through the PC s COM1 and S7-200 PLC s RS 1 232 serial port hardware connection, and then through the S7-200 series PLC to communicate programming, you can achieve with the host computer communications.
Date
: 2026-01-01
Size
: 84kb
User
:
傅
[
Communication-Mobile
]
RS_Verilog
DL : 0
RS码的FPGA实现,verilog语言形式,好参考资料-FPGA realization of RS code, verilog language form, a good reference
Date
: 2026-01-01
Size
: 99kb
User
:
张洪
[
Communication-Mobile
]
RS232_Communication
DL : 0
RS-232 Communication ,transfer and receive data through COM port ,coded on VB
Date
: 2026-01-01
Size
: 56kb
User
:
superbebu
[
Communication-Mobile
]
dsgrm01
DL : 0
1.用RS-232的零MODEM的连接法连好两机的连线; 2.用DOS的MODE命令设置好两机的通讯格式,两机的通讯格式必须()
Date
: 2026-01-01
Size
: 676kb
User
:
nrvgrcmming
[
Communication-Mobile
]
MODBUS协议中文版
DL : 0
MODBUS协议支持传统的RS-232、RS-422、RS-485和以太网设备。许多工业设备,包括PLC,DCS,智能仪表等都在使用Modbus协议作为他们之间的通讯标准。 Modbus 协议是应用于电子控制器上的一种通用语言。通过此协议,控制器相互之间、控制器经由网络(例如以太网)和其它设备之间可以通信。Modbus 协议定义了一个控制器能认识使用的消息结构,而不管它们是经过何种网络进行通信的。它描述了一控制器请求访问其它设备的过程,如何回应来自其它设备的请求,以及怎样侦测错误并记录。它制定了消息域格局和内容的公共格式。(The MODBUS protocol supports traditional RS-232, RS-422, RS-485, and Ethernet devices. Many industrial devices, including PLC, DCS, and intelligent instruments, are using the Modbus protocol as a communication standard between them. The Modbus protocol is a common language applied to the electronic controller. Through this protocol, controllers can communicate between each other and the controller via a network (such as Ethernet) and other devices. The Modbus protocol defines a controller that recognizes the message structure used, regardless of what network they communicate. It describes how a controller requests access to other devices, how to respond to requests from other devices, and how to detect errors and record. It formulates the public format of the message domain pattern and content.)
Date
: 2026-01-01
Size
: 998kb
User
:
山问A
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