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Usb-mpi+ programming cable siemens S7-300 series plc
USB / MPI+ are provided through the USB interface and RS232 serial connection signal conversion and protocol conversion PPI programming cable, running under the computer-driver control, to simulate the USB interface into a traditional serial port (commonly known as COM port), thus it can use existing programming software, communications software and monitoring software. The power of this cable is sourced from the USB port, no longer by the PLC programming port power supply, converter box on the two-color light-emitting diodes instructions to send and receive data state.
USB / MPI+ cable for Siemens S7300, S7400 series PLC, the larger the interference fragile industrial field communication port, use photoelectric isolation USB / MPI + programming cable.
Supported USB / MPI + operating systems: Windows2000/Windows XP/VISTA (WinNT4/95/98/Me/DOS does not support)
Supported USB / MPI + programming software version: STEP7 V5.2 and above
fully compatible with USB V1.1 and USB CDC V1.1 specification
USB bus-powered and PLC programming port 5V power supply
Optical Isolation voltage: 1000VDC or 3500VAC
Baud rate: COM port: 19.2Kbps, MPI port: 187.5Kbps
Support UART data format: Data bit: 8, stop bit: 1, 2, Parity: odd / even / no parity
Supporting long-distance communications, the maximum communication distance 500 meters (RS485 end, when the baud rate to 187.5Kbps)
Each PC only supports a USB programming cable
Operating temperature: -20 ~ +75
Cable length: 3 m, Color: Black
USB / PPI programming cable will need to install USB device driver to use, these drivers are included in the following products for sale on CD-ROM, see the driver installation method on the documentation CD-ROM information will not repeat them here.
Driver installation is complete, at the Windows Device Manager will appear USB / PPI programming cable corresponding COM port, simply select this COM port in the programming software or other application software. Need to note here is that the programming cable does not support the local communications port settings of the "USB" option in the programming software.
to enter STEP7 programming software the main menu (SIMATIC Manager), click on "Options" menu under "Set PG / PC Interface ..." option to enter the PG / PC interface settings.
Double-click the "PC Adapter (MPI)" to enter the COM port and MPI interface parameter setting. The adapter does not support the "PC Adapter (PROFIBUS)" option.
Click "Local Connection" option to set COM port parameters, select the correct USB / MPI + cable corresponding COM port, select the communication baud rate 19.2Kbps, the cable COM port baud rate is fixed at 19.2Kbps.
Click the "MPI" option MPI adapter interface parameters, because of the MPI adapter port baud rate is fixed at 187.5Kbps, so here can only be set to 187.5Kbps.
Set immediately after the completion of the above line of communication with the PLC, and here's necessary to remind the user's attention are the use of the CPU to operate at the function, do not change (in the Network Settings "Network Settings" option) CPU on MPI port baud rate factory default value of 187.5Kbps, because the adapter MPI baud rate is fixed at 187.5Kbps, if the CPU on MPI port baud rate is set to become the other values, then the adapter can not communicate with the PLC
1pcs USB / MPI+ cable for Siemens S7-300 series PLC
