Manual VIPA CPU 21x Chapter 1 Principles
HB103E - Rev. 05/45 1-3
Hints for the deployment of the MPI interface
The MP
2
I jack combines 2 interfaces in 1:
• MP interface
• RS232 interface
Please regard that the RS232 functionality is only available by using the
Green Cable from VIPA.
The MP interface provides the data transfer between CPUs and PCs. In a
bus communication you may transfer programs and data between the
CPUs interconnected via MPI.
Connecting a common MPI cable, the MPI jack supports the full MPI
functionality.
Important notes for the deployment of MPI cables!
Deploying MPI cables at the CPUs from VIPA, you have to make sure that
Pin 1 is not connected. This may cause transfer problems and in some
cases damage the CPU!
Especially Profibus cables from Siemens, like e.g. the 6XV1 830-1CH30,
must not be deployed at MP
2
I jack.
For damages caused by nonobservance of these notes and at improper
deployment, VIPA does not take liability!
For the serial data transfer from your PC, you normally need a MPI
transducer. Fortunately you may also use the "Green Cable" from VIPA.
You can order this under the order no. VIPA 950-0KB00.
The "Green Cable" supports a serial point-to-point connection for data
transfer via the MP
2
I jack exclusively for VIPA CPUs.
Please regard the hints for the deployment of the "Green Cable" on the
following page.
What is MP
2
I?
Deployment as
MP interface
Deployment as
RS232 interface only
via "Green Cable"
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