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chantecler

S7 interface beginner question

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Hi all,

I'm kind of beginner regarding Siemens PLCs. I have to buy an interface that allows me to program and monitor an S7-300 plc with profibus interface.

So far I have utilized a Helmholz NETLink® PRO Compact, PROFIBUS Ethernet gateway 700-884-mpi21.

My question is: what other options are there?

Thank you

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Searching the internet I found these four:

Sisteme Helmholz
700-884-MPI21
NETLink® PRO Compact

IBHsoftec
IBH Link S7++
MPI / PROFIBUS / PPI - Ethernet CommDTM for FDT

hilscher
NL 50-MPI
S7-200/300/400 Ethernet programming connector

DeltaLogic
ACCON NetLink Pro Compact
MPI-Profibus-PPI to Ethernet Gateway


BUT at the end my client decided to buy an original costly Siemens 6ES7972-0CB20-0XA0 which is a PC USB adaptor

And I did the job

 

Note: There are some Chinese versions of this adaptor that can be found on ebay at one tenth of the price, if you have the time to wait for its delivery.

 

 

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I would say your client made a good choice

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