Moxa Technologies CP-134U user manual Multidrop 2-wire RS-485 half-duplex

Page 76

Multidrop 2-wire RS-485 (half-duplex)

CP-134U

RS-485 Device 1

Master

Slave

3

Data+

Data+

4

Data-

Data-

5

GND

GND

RS-485 Device N

Slave

Data+

Data-

GND

Multidrop 4-wire RS-485 (full-duplex)

CP-134U

RS-485 Device 1

Master

Slave

2

TxD+(B)

RxD+(B)

1

TxD-(A)

RxD-(A)

3

RxD+(B)

TxD+(B)

4

RxD-(A)

TxD-(A)

5

GND

GND

RS-485 Device N

Slave

RxD+(B)

RxD-(A)

TxD+(B)

TxD-(A)

GND

See the section RS-485 Programming” in the “Serial Programming Tools” chapter for more details on RS-485 programming.

5-8 Industio CP-134U Series User’s Manual

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Contents Industio CP-134U Series User’s Manual Fifth Edition, JanuaryTrademarks Copyright NoticeDisclaimer Moxa Internet Services Following services are providedTable of Contents Introduction Overview Universal PCI Operating System SupportMoxa Serial Comm Tools Board ApplicationsFeatures Package ChecklistHardware Installation CP-134U Series Block Diagrams CP-134U Jumper Settings DIP Switch SettingsJumper pins RS-422/485DIP Switch Port Settings S1-3 S2-3 RS-422 Installing the Industio CP-134U Series Board Page Software Installation Windows NT Installing the Driver Industio CP-134U Series User’s Manual Port Number Rx Fifo Trigger Software Installation Configuring the Board and Ports Updating the Driver Windows 95/98 Removing the DriverSee the Board and Ports Ready section First Time Driver Installation Stage Windows Click on Other LocationsWindows Windows Type E\Software\Win98\Windows.95 Software Installation Port Configuration Stage Industio CP-134U Series User’s Manual Software Installation Board and Port Ready Stage Configuring the Board and Ports Software Installation Industio CP-134U Series User’s Manual Software Installation Click OK to accept the changes Software Installation Click OK in the Add/Remove Programs Properties dialog box Windows 2000/XP Windows Windows XPSelect Specify a location and then click on Next to continue Software Installation Click on Next to continue Select Specify a location and then click on Next to continue Industio CP-134U Series User’s Manual Software Installation How to Check the Installation Device ManagerMoxa PComm Utility Event LogRemoving the Driver Click OK to proceed with the un-installation of the board Industio CP-134U Series User’s Manual Linux IntroductionSystem Requirements InstallationPCI board Device naming when more than 2 boards are installed Obtaining Driver FilesDevice naming convention PCI IRQ SharingModule driver configuration Board sequenceSoftware Installation Copies boot image to the correct position # make clean make install Reboot Change Device name Custom configurationChange Major number Verifying driver installation Msdiag DiagnosticUtilities Msmon Port MonitoringTroubleshooting Error msgSolution SetserialSolution Error msg Page Serial Programming Tools PComm Installation PComm Programming LibraryRS-485 Programming Addc Automatic Data Direction ControlSolution Page Pinouts and Cable Wiring Connection Cables Cable WiringModel CBL-M44M9x4 Model CBL-M44M25x4 RS-232 Interface RS-422 InterfaceRS-485 Interface Individual Port Pinouts RS-485 4-wire RS-485 2-wire Cable Wiring-DB9 RS-422 Point-to-point RS-422 BroadcastingMultidrop 2-wire RS-485 half-duplex Impedance Matching and Termination Resistors Page Troubleshooting General TroubleshootingSoftware Causes and Solutions Windows NT system panic blue screen System fails to find the Industio CP-134U Series board Specifications Technical ReferencePCI Return Procedure Service InformationRevision History Wiring-DB9 Under RS-422 Interface

CP-134U specifications

Moxa Technologies CP-134U is a robust and versatile serial communication device designed to facilitate the connection between serial devices and modern computer systems. This product serves as a reliable solution for industries that require seamless integration of legacy serial equipment with newer digital architectures.

One of the key features of the CP-134U is its ability to provide four serial ports, allowing users to connect multiple devices simultaneously. This capability is particularly beneficial in environments where monitoring and control of various equipment need to happen in real-time, such as in industrial automation, telecommunications, and infrastructure management. Each port supports standard RS-232/422/485 communication protocols, making the CP-134U compatible with a wide range of devices.

The device utilizes high-performance USB technology, enabling quick and easy installation without the need for additional power supply. This plug-and-play feature translates into reduced setup time and a simplified user experience. The CP-134U is compatible with various operating systems, including Windows and Linux, allowing for versatile applications across different platforms.

Another noteworthy characteristic of the CP-134U is its durability and industrial-grade design. Constructed with robust materials, this device is engineered to withstand harsh environmental conditions, ensuring reliable operation in challenging settings. The built-in isolation protection enhances the safety of connected devices by protecting them from voltage spikes and current surges.

Moxa Technologies has incorporated advanced technologies into the CP-134U to enhance communication reliability. It features data flow control mechanisms to ensure error-free data transmission, reducing the chances of data loss during critical operations. Furthermore, the device supports various communication baud rates, providing flexibility and adaptability based on user needs.

In addition to its technical attributes, the CP-134U comes with comprehensive documentation and support services provided by Moxa, ensuring that users can maximize their investment in the technology.

In conclusion, Moxa Technologies CP-134U is an effective solution for organizations looking to bridge the gap between legacy serial devices and modern systems. Its multi-port capability, compatibility with various protocols, industrial robustness, and excellent support make it a top choice for many sectors seeking reliable and efficient communication solutions.